Methods, apparatuses, system, devices, and computer program products for volumetric sensing using a container monitoring system are disclosed. In a particular embodiment, a cargo monitoring system captures a first set of images of a dock scene through the stereo vision system of the dock-mounted monitoring device. The cargo monitoring system calibrates the stereo vision system of the dock-mounted monitoring device based on the first set of images. The container monitoring system determines, based on the first set of images, localization parameters for the dock-mounted monitoring device with respect to a container in the dock scene. The container monitoring system generates a disparity map for the dock scene based on the first set of images. The container monitoring system generates a depth map of an interior space of the container based on the disparity map and the localization parameters.
Fault breaking contactors are disclosed. In an embodiment, an electromechanical switching device includes one or more terminals; a moveable contact; and an actuator assembly for moving the moveable contact between a closed position in which the moveable contact contacts the one or more terminals and an open position in which an air gap is maintained between the moveable contact and the one or more terminals; and a dynamic air gap mechanism configured to increase the air gap beyond that of the closed position in response to a fault current.
A load monitoring system and techniques estimate a load on a vehicle, such as a trailer, bus, RV, or other vehicle. The system includes a sensor having a main body housing and an alignment feature. The main body housing contacts a first surface of a suspension component and the alignment feature contacts a second surface of the suspension component.
B60G 17/019 - Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the type of sensor or the arrangement thereof
B60G 11/02 - Resilient suspensions characterised by arrangement, location, or kind of springs having leaf springs only
Fault breaking contactors are disclosed. In an embodiment, an electromechanical switching device includes one or more terminals; a moveable contact; and an actuator assembly for moving the moveable contact between a closed position in which the moveable contact contacts the one or more terminals and an open position in which an air gap is maintained between the moveable contact and the one or more terminals; and a dynamic air gap mechanism configured to increase the air gap beyond that of the closed position in response to a fault current.
H01H 1/50 - Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position
H01H 51/28 - Relays having both armature and contacts within a sealed casing outside which the operating coil is located, e.g. contact carried by a magnetic leaf spring or reed
In a particular embodiment, a force sensor apparatus is disclosed that includes a force-compliant element that deforms in response to applications of forces to the force sensor apparatus. The force sensor apparatus also includes a sensing element coupled to an upper region of the force-compliant element and configured to generate one or more signals indicating an amount that the force-compliant element deforms in response to the application of forces to the force sensor apparatus. The force-compliant element has a bottom region that includes a force-receiving surface and an outer region surrounding the force-receiving surface. In this example embodiment, the outer region is substantially level. In a particular embodiment, the outer region is absent any grooves. Alternatively, the outer region may have one or more small grooves.
G01L 1/22 - Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluidsMeasuring force or stress, in general by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
6.
TIMING CONTROL IN A TIRE PRESSURE MONITORING SYSTEM
A system and method determine and/or adjust tire pressure sensor timings to transmit information using BLE information, regardless of the presence of other BLE systems. A tire pressure monitoring (TPM) system or other computing device receives transmission timing information from tire monitors that transmit using BLE and/or other BLE-enabled components. In response to determining an interference between the transmissions of the tire monitors and/or the components, timing of the transmissions from one or more of the tire monitors is altered to avoid the interference.
An electrical assembly (100) includes a circuit board (102), a resistive shunt (106), and a shunt contact (104) configured for coupling to the circuit board (102) and the resistive shunt (106). The shunt contact (104) includes a board contacting portion (108), a shunt contacting portion (110), and a standoff portion (112) spacing the board contacting portion (108) from the shunt contacting portion (110). In examples, the shunt contacting portion (110) includes one or more elastic fins (230) that facilitate press fitting of the shunt contacting portion (110) into a sensing opening (402) in the resistive shunt (106).
An electrical device includes a molded spool body with one or more electrically conductive members having associated posts extending therefrom. Conductive wire is spooled on the spool body and ends of the conductive wire are coupled to the posts. The posts may be bent, and a covering may be applied over the wire ends and the posts.
H01F 5/04 - Arrangements of electric connections to coils, e.g. leads
H01F 41/076 - Forming taps or terminals while winding, e.g. by wrapping or soldering the wire onto pins, or by directly forming terminals from the wire
H01F 7/06 - ElectromagnetsActuators including electromagnets
09 - Scientific and electric apparatus and instruments
Goods & Services
Radar object detector for use on vehicles, namely, vehicle-mounted object detector with alarms for objects surrounding the vehicle including any zones obscured from the operator's view
Methods, apparatuses, computer program products, systems for tire fill assistance session control are disclosed. In a particular embodiment, a method includes identifying, by a tire fill assistance controller, a user selection indicating a tire for electronic tire fill assistance; establishing, by the tire fill assistance controller in dependence upon the user selection, a wireless connection to a tire pressure monitoring (TPM) sensor associated with the tire; configuring, by the tire fill assistance controller, a tire pressure sampling rate of the TPM sensor for a tire fill assistance session; receiving, by the tire fill assistance controller, a plurality of tire pressure readings from the TPM sensor during the tire fill assistance session; and providing, by the tire fill assistance controller to a user, tire fill guidance based on the plurality of tire pressure readings.
In an embodiment, a multi-switch contactor assembly with a pre-charge system is disclosed. The multi-switch contactor further includes an array of switches and an actuator assembly configured to actuate each switch of the array of switches. In this embodiment, the array of switches includes a first switch configured to connect a first battery device to a circuit and a second switch configured to connect a second battery device to the circuit. The array of switches also includes a third switch configured to connect the first battery device and the second battery device in series to the circuit and a fourth switch configured to connect a pre-charge resistor to at least one of the first battery device and the second battery device.
Apparatuses and methods for implementing contactor opening and fusing strategies in a power distribution unit are disclosed, including a power distribution unit comprising: one or more contactors coupled to one or more charging systems; one or more active fuses in a circuit connecting the one or more contactors to a battery system; and a microcontroller configured to: receive one or more current values; determine whether the one or more current values meet a first set of predetermined current thresholds; in response to determining that the one or more current values meet the first set of predetermined current thresholds, trigger the one or more active fuses; determine whether the one or more current values meet a second set of predetermined current thresholds; and in response to determining that the one or more current values meet the second set of predetermined current thresholds, signal the one or more contactors to open.
H02H 7/20 - Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for electronic equipment
H02H 1/00 - Details of emergency protective circuit arrangements
13.
POWER DISTRIBUTION UNIT FOR IMPLEMENTING CONTACTOR OPENING AND FUSING STRATEGIES AND METHOD THEREFOR
Apparatuses and methods for implementing contactor opening and fusing strategies in a power distribution unit are disclosed, including a power distribution unit comprising: one or more contactors coupled to one or more charging systems; one or more active fuses in a circuit connecting the one or more contactors to a battery system; and a microcontroller configured to: receive one or more current values; determine whether the one or more current values meet a first set of predetermined current thresholds; in response to determining that the one or more current values meet the first set of predetermined current thresholds, trigger the one or more active fuses; determine whether the one or more current values meet a second set of predetermined current thresholds; and in response to determining that the one or more current values meet the second set of predetermined current thresholds, signal the one or more contactors to open.
B60L 3/00 - Electric devices on electrically-propelled vehicles for safety purposesMonitoring operating variables, e.g. speed, deceleration or energy consumption
B60L 3/04 - Cutting-off the power supply under fault conditions
B60L 53/10 - Methods of charging batteries, specially adapted for electric vehiclesCharging stations or on-board charging equipment thereforExchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
B60L 53/16 - Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
B60L 53/62 - Monitoring or controlling charging stations in response to charging parameters, e.g. current, voltage or electrical charge
H02H 3/087 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection responsive to excess current for DC applications
H02H 3/093 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection responsive to excess current with timing means
H02H 3/16 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection responsive to fault current to earth, frame or mass
H02H 3/44 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection responsive to the rate of change of electrical quantities
H02H 7/18 - Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for batteriesEmergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for accumulators
H01H 47/00 - Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
H02H 3/05 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection Details with means for increasing reliability, e.g. redundancy arrangements
An improved electrical device includes a high voltage switch device and a fast disconnect device. The switch device is configured to selectively open/ close a high voltage circuit. The fast disconnect device can include a pyrotechnic actuator that forces a movable contact away from fixed contacts and optionally retains the movable contact in a detonated state.
H01H 89/00 - Combinations of two or more different basic types of electric switches, relays, selectors and emergency protective devices, not covered by any single one of the other main groups of this subclass
An isolation monitoring approach according to the invention is defined with respect to first and second battery connection positions, each of which is not tied to a chassis. First and second respective resistor strings, each having a first end and a second end, are each connected at their first end to the respective first and second battery connection positions. The first and second resistor strings are each connected at their second end to the chassis. In each of the first and second resistor strings, an optically-controlled MOSFET relay is connected across part of the resistor string. Connected to each of the resistor strings, at a point between the MOSFET relay and the chassis, is a respective voltage measurement circuit connected to measure voltage relative to the chassis. In operation, the MOSFETs associated with the resistor strings can be turned on and off. This brings about an excitation signal with respect to the resistor strings, and the voltage measurement circuits can measure the voltages during the time of the excitation signal, comparing them with the voltages in the absence of the excitation signal. This permits arriving at an inferred value for isolation loss along a modeled leakage path between the associated battery connection positions and the chassis. In the event of an isolation failure, the event can be annunciated.
A hermetically-sealed electrical device includes a housing and a header assembly. The header assembly includes contact terminals, feedthroughs, and/or a tube extending through a cover plate. Glass-to-metal seals and/or braze joints are used to seal the contact terminals, the feedthroughs, and/or the tube to the cover plate, which may obviate the need for a ceramic header. The cover plate may be resistance welded to a lower housing or can.
A tire monitor includes a sensor generating tire data and a plurality of control modules having phase locked loop circuits. The control modules generate output signals carrying the tire data. A first of the control modules is configured to generate first output signals having a first frequency and according to a first protocol. A second of the control modules is configured to generate second output signals having a second frequency and according to a second protocol. In examples, the output signal can be transmitted in parallel to different computing systems.
Embodiments in accordance with the present disclosure are directed to apparatuses, systems, and methods for utilizing an inductive position sensor. In a particular embodiment, an inductive position sensor apparatus is disclosed that includes a sense element having an inner diameter and an outer diameter. In this example embodiment, the sense element comprises at least one transmit coil, a first c-shaped receive coil that includes a first plurality of arrayed loops, and a second c-shaped receive coil that includes a second plurality of arrayed loops. The inductive position sensor apparatus also includes a printed circuit board having an interface within the inner diameter of the sense element in which the interface is configured for coupling with an integrated circuit.
G01D 5/20 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
In an embodiment, a power supply system having an isolated solid-state active precharger includes a high voltage battery; a capacitive circuit; and a pre-charging circuit configured to charge the capacitive circuit from the high voltage battery, the pre-charging circuit including a flyback transformer and having a primary side and a secondary side corresponding to a primary coil and a secondary coil of the flyback transformer, wherein the high voltage battery is connected to the primary side, wherein the capacitive circuit is coupled to the secondary side, and wherein charge is fed back to the high voltage battery when an output voltage of the secondary side is substantially equal to or greater than a charge in the high voltage battery.
H02M 3/335 - Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
B60L 53/20 - Methods of charging batteries, specially adapted for electric vehiclesCharging stations or on-board charging equipment thereforExchange of energy storage elements in electric vehicles characterised by converters located in the vehicle
B60L 58/12 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
H02J 7/34 - Parallel operation in networks using both storage and other DC sources, e.g. providing buffering
H02M 1/08 - Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
20.
ELECTROMECHANICAL SWITCHING DEVICE WITH A SHOCK RESISTANCE MECHANISM
Apparatuses, systems, devices, and methods for operating an electromechanical switching device with a shock resistance mechanism are disclosed. In an embodiment, an electromechanical switching device is disclosed that includes a moveable assembly having a plunger coupled to a plunger shaft. The electromechanical switching device also includes a flange coupled to an upper plate and a plunger spring coupled to the plunger and the flange. In this embodiment, the plunger and the flange have corresponding multi-shaped interfaces configured for magnetically attracting the flange and the plunger in response to application of an electric current to a coil surrounding the moveable assembly. When application of the electric current to the coil is removed, the force of the energy stored in the plunger spring drives the plunger away from the flange.
H01H 50/20 - Movable parts of magnetic circuits, e.g. armature movable inside coil and substantially lengthwise with respect to axis thereofMovable parts of magnetic circuits, e.g. armature movable coaxially with respect to coil
H01H 50/30 - Mechanical arrangements for preventing or damping vibration or shock, e.g. by balancing of armature
H01H 51/06 - Armature is movable between two limit positions of rest and is moved in one direction due to energisation of an electromagnet and after the electromagnet is de-energised is returned by energy stored during the movement in the first direction, e.g. by using a spring, by using a permanent magnet, by gravity
Apparatuses that include an electromechanical contactor having a motion lock mechanism, electromechanical contactors with a motion lock mechanism, and methods for operating an electromechanical contactor with a motion lock mechanism are disclosed. A particular embodiment is directed to an electromechanical contactor that includes one or more fixed contacts and a moveable contact configured to move between a closed position and an open position in relation to the one or more fixed contacts. In this embodiment, the electromechanical contactor also includes a motion lock mechanism configured to maintain between the moveable contact and the one or more fixed contacts one or more physical barriers that prevent contact between the moveable contact and the one or more fixed contacts unless the electromechanical contactor is actuated.
Apparatuses, devices, and methods for utilizing a ball locking mechanism in an electromechanical switching device are disclosed. In a particular embodiment, an electromechanical switching device is disclosed that includes a plunger connected to a shaft, a plurality of locking balls positioned around the shaft, and a flange positioned around the shaft and in contact with a bottom portion of a plurality of locking balls. In this embodiment, the electromechanical switching device also includes a top cap positioned over a top portion of the plurality of locking balls and a flange spring coupled to the flange such that when the flange spring is not fully compressed, the flange spring presses the flange into the bottom portion of the plurality of locking balls causing the top portion of the plurality of locking balls to be pressed into the top cap.
H01H 50/20 - Movable parts of magnetic circuits, e.g. armature movable inside coil and substantially lengthwise with respect to axis thereofMovable parts of magnetic circuits, e.g. armature movable coaxially with respect to coil
H01F 7/08 - ElectromagnetsActuators including electromagnets with armatures
H01H 51/06 - Armature is movable between two limit positions of rest and is moved in one direction due to energisation of an electromagnet and after the electromagnet is de-energised is returned by energy stored during the movement in the first direction, e.g. by using a spring, by using a permanent magnet, by gravity
H01H 51/10 - Contacts retained open or closed by a mechanical latch which is controlled by an electromagnet
09 - Scientific and electric apparatus and instruments
Goods & Services
Vehicle safety equipment, namely, electronic tire pressure monitoring system (TPMS) devices, namely, TPMS sensor and transmitter units, radio receivers, and audible alarms; Tire pressure monitoring systems comprised mainly of a dashboard display and wheel sensors, and replacement parts for tire pressure monitoring systems, namely, sensor transmitters; Bluetooth; TPMS retrofit kit, that will consist of sensors, receiver, and mobile application
Apparatuses and methods for an optimized battery disconnect unit are disclosed. In a particular embodiment, a battery disconnect unit includes a housing; a configuration contactor disposed within the housing; a combined contactor and pyrofuse assembly disposed within the housing and electrically coupled to the configuration contactor; a battery charge contactor disposed within the housing and electrically coupled to the combined contactor and pyrofuse assembly; and a bus bar assembly. In some examples, the bus bar assembly is tiered.
Apparatuses, devices, and methods of utilizing sealed magnets within an electromechanical switching device are disclosed. In a particular embodiment, an electromechanical switching device is disclosed that includes a stationary contact and a moveable contact configured to switch with the stationary contact between an open position and a closed position. In this embodiment, the electromechanical switching device also includes a sealed magnet enclosure housing one or more magnets. The sealed magnet enclosure is constructed of a material having low hydrogen permeability. The electromechanical switching device also includes a volume of hydrogen or hydrogen mixture at least partially surrounding the sealed magnet enclosure and exposed to the moveable contact such that the one or more magnets and the hydrogen or hydrogen mixture act together to quench any arc that develops between the stationary contact and the moveable contact as the moveable contact switches from the closed position to the open position.
In an embodiment, a multi-switch contactor assembly includes an array of two or more switches, each switch comprising a moveable contact and a fixed contact; wherein the moveable contact is configured to contact a first end of the fixed contact in a closed switch state; and wherein the moveable contact and the fixed contact are oriented such that current passing between the moveable contact and the fixed contact induces an electromagnetic field that acts on the moveable contact in the direction of the first end of the fixed contact; and an actuator assembly configured to actuate each movable contact simultaneously, the actuator assembly including a shaft, wherein the respective switch states of the two or more switches are changed in dependence upon rotation of the shaft.
H01H 47/22 - Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for supplying energising current for relay coil
27.
FORCE SENSOR APPARATUS WITH A SPHERICAL FORCE INTERFACE
In a particular embodiment, a force sensor apparatus is disclosed that includes a force-compliant element that deforms in response to applications of forces to the force sensor apparatus. The force-compliant element has a bottom portion with an outer rim that surrounds a force interface. In this embodiment, the outer rim and the force interface extend outward from the bottom portion. The force interface forms a solid, spherical shape centered at a center line of the force-compliant element. The spherical force interface is configured to receive an application of load force and distribute the load force to the force-compliant element. The apparatus also includes one or more sensing elements coupled to the force-compliant element and configured to generate a signal indicating the degree that the force-compliant element deforms in response to the applications of forces to the force sensor apparatus.
G01L 1/22 - Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluidsMeasuring force or stress, in general by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
G01L 1/26 - Auxiliary measures taken, or devices used, in connection with the measurement of force, e.g. for preventing influence of transverse components of force, for preventing overload
A pressure and temperature sensor is provided. The sensor may include a pressure port configured to receive a media, wherein the pressure port includes at least one thermistor. The sensor may further include a body having a header and a sense element configured to seal the body from the media in the pressure port. The header and the sense element may define a space accessible to the media and the header may further include a media receiver configured to allow the media to pass between the pressure port and the space. The header may also include at least one pin in electrical communication with the thermistor and a pin receiver configured to accept the at least one pin. The at least one pin may be operatively connected to the pin receiver.
G01L 19/00 - Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
G01K 7/22 - Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat using resistive elements the element being a non-linear resistance, e.g. thermistor
G01L 9/04 - Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by electric or magnetic pressure-sensitive elementsTransmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of variations in ohmic resistance, e.g. of potentiometers of resistance strain gauges
Apparatuses and methods for manufacturing a tire monitoring sensors utilizing solid-state batteries are disclosed. In a particular embodiment, a tire monitoring sensor includes a sense element configured to measure one or more parameters of a tire. The tire monitoring sensor also includes a circuit board assembly electrically coupled to the sense element to receive, from the sense element, electrical signals indicating a measurement of the one or more parameters of the tire. In this embodiment, the tire monitoring sensor also includes a solid-state battery electrically coupled to the circuit board assembly.
Apparatuses, methods, and computer program products for economizing electromechanical contactors are disclosed. In a particular embodiment, an electromechanical contactor comprises a moveable contact configured for switching between a non-actuated position and an actuated position by an actuator assembly. The electromechanical contactor also includes two or more fixed contacts that are configured to be engaged with the moveable contact when the moveable contact is in the actuated position and to be disengaged with the moveable contact when the moveable contact is the non-actuated position. In this embodiment, the electromechanical contactor also includes a motion sensor configured to detect motion of the electromechanical contactor and provide to a controller, information regarding the motion of the electromechanical contactor.
H01H 1/54 - Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position by magnetic force
H01H 47/04 - Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay for holding armature in attracted position, e.g. when initial energising circuit is interrupted or with reduced energising current
H01H 50/04 - Mounting complete relay or separate parts of relay on a base or inside a case
31.
FUSED SINGLE POINT HIGH VOLTAGE CONTACTOR WITH FAST DISCONNECT
Apparatuses and methods for high voltage contactors are disclosed. In a particular embodiment, a contactor includes a high voltage input terminal; a high voltage output terminal; and a switch having a first closed position, a second closed position, and an open position, wherein the switch establishes a first high voltage current path between the high voltage input terminal and the high voltage output terminal in the first closed position and a second high voltage current path between the high voltage input terminal and the high voltage output terminal in the second closed position.
H01H 19/46 - Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand the operating part having three operative positions, e.g. off/star/delta
B60L 3/04 - Cutting-off the power supply under fault conditions
H01H 39/00 - Switching devices actuated by an explosion produced within the device and initiated by an electric current
A joystick assembly includes an improved plunger assembly with two magnets positioned for sensing by a hall sensor. The joystick assembly also includes a cartridge that can be selectively removed, for instance, for repairing or replacing aspects of the cartridge. The joystick assembly can also include a stop feature that improves over existing joystick designs. The joystick assembly may be used in connection with an electronic architecture that can be used with joystick assemblies in different applications.
G05G 9/047 - Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously the controlling member being movable by hand about orthogonal axes, e.g. joysticks
G06F 3/0338 - Pointing devices displaced or positioned by the userAccessories therefor with detection of limited linear or angular displacement of an operating part of the device from a neutral position, e.g. isotonic or isometric joysticks
G05G 5/03 - Means for enhancing the operator's awareness of the arrival of the controlling member at a command or datum positionProviding feel, e.g. means for creating a counterforce
Apparatuses, temperature sensors, and methods for assembling an e-motor axial stator winding temperature sensor are disclosed. In a particular embodiment, the temperature sensor includes a housing configured to be fixed relative to an electric motor. The temperature sensor also includes a plunger disposed in the housing and a thermal sensor disposed in the plunger. In this embodiment, the plunger is movable relative to the housing to position the thermal sensor relative to the electric motor.
An improved temperature sensor to determining a temperature of a stator of an e-motor includes a thermal sensor disposed in a plunger and a housing. The plunger is movable relative to the housing to position the thermal sensor relative to the stator of the e-motor. A housing is configured to be coupled to an electric motor, a plunger is disposed at least partially in the housing and movable relative to the housing, and a thermal sensor is disposed in the plunger, wherein the plunger is movable relative to the housing to position the thermal sensor relative to the electric motor.
Electromechanical switching devices and methods of manufacturing electromechanical switching devices that include a dynamic adjustable magnetic yoke assembly are disclosed. In a particular embodiment, an electromechanical switching device includes a moveable contact, one or more magnetic upper yokes provided above the moveable contact and separate from the moveable contact, a magnetic lower yoke provided below the moveable contact, and one or more collapsible bias members supporting the upper yoke.
09 - Scientific and electric apparatus and instruments
42 - Scientific, technological and industrial services, research and design
Goods & Services
Sensor products, namely pressure sensors, temperature
sensors, pressure transducers, occupant weight sensors,
force sensors, angular rate sensors, air quality sensors,
chemical detection sensors, optical sensors, current and
voltage sensors for use on vehicles; sensors for recording,
transmitting, reproducing or processing sound, images or
data; vehicle integration, electronics, and dash kits
comprised of computer hardware, recorded operating system
software, recorded software for vehicle tracking using
global position systems, recorded software for processing
digital files, a global positioning system, computer network
interface devices, digital signal processors, and remote
controls for the aforementioned; vehicle safety products,
namely, cameras, video monitors, electronic proximity
sensors, back-up sensors, tire pressure sensors; cameras
with sensors; apparatus and instruments for transferring
data between two data gathering and data display hardware
units; downloadable computer software for geolocation data
collection, collation, analysis and reporting; downloadable
computer software to enable transmission, access,
organization and management of electronic communications via
the internet and other communications networks; downloadable
computer software, software applications and mobile
application software, namely, apps, for use in managing,
controlling, monitoring and organizing vehicle utilization
and driver and vehicle performance; downloadable computer
software, software applications and mobile application
software, namely, apps, for use in managing, controlling,
monitoring and organizing driver records; downloadable
computer software, software applications and mobile
application software, namely, apps, for monitoring, managing
and planning health, safety, analytics and data management
for drivers and vehicles; downloadable computer software,
software applications and mobile application software,
namely, apps, for data capture, transmission, storage and
indexing; downloadable computer software, software
applications and mobile application software, namely, apps,
for predictive modelling or predictive analysis;
downloadable computer software, software applications and
mobile application software, namely, apps, for delivering
insights and analysis of vehicle fleet utilization;
downloadable computer software, software applications and
mobile application software, namely, apps, for consolidating
vehicle fleet metrics into a single view dashboard;
downloadable computer software, software applications and
mobile application software, namely, apps, for providing
trip information, route planning and realtime visibility of
vehicles and assets; downloadable computer software,
software applications and mobile application software,
namely, apps, for use in controlling, monitoring and
activating alerts in respect of vehicle use, performance and
safety; geolocation apparatus and equipment, namely, GPS
navigation devices and GPS tracking devices. Providing online non-downloadable computer software for
geolocation data collection, collation, analysis and
reporting; providing online non-downloadable computer
software to enable transmission, access, organization and
management of electronic communications via the internet and
other communications networks; providing online
non-downloadable computer software, namely, applications for
use in managing, controlling, monitoring and organizing
vehicle utilization and driver and vehicle performance;
providing online non-downloadable computer software,
software applications namely, apps, for use in managing,
controlling, monitoring and organizing driver records;
providing online non-downloadable computer software,
software applications namely, apps, for monitoring, managing
and planning health, safety, analytics and data management
for drivers and vehicles; providing online non-downloadable
computer software, software applications namely, apps for
realtime data capture, transmission, storage and indexing;
providing online non-downloadable computer software,
software applications namely, apps for realtime predictive
modelling and predictive analysis; providing online
non-downloadable computer software, software applications
namely, apps for delivering insights and analysis of vehicle
fleet utilization; providing online non-downloadable
computer software, software applications namely, apps, for
consolidating vehicle fleet metrics into a single view
dashboard; providing online non-downloadable computer
software, software applications namely, apps, for providing
trip information, route planning and realtime visibility of
vehicles and assets; providing online non-downloadable
computer software, software applications and mobile
application software, namely, apps, for use in controlling,
monitoring and activating alerts in respect of vehicle use,
performance and safety; providing online non-downloadable
software for reading, receiving and analyzing geolocation
signals from geolocation apparatus and equipment and
tracking devices.
Methods and apparatuses to obtain increased performance and differentiation for an inductive position sensor through non-disruptive placement of multiloop coil interconnects are disclosed. In a particular embodiment, a sense element includes at least one transmit coil; a first receive coil that includes a first plurality of arrayed loops, wherein two or more of the first plurality of arrayed loops are phase blended; and a first plurality of interconnects, each of the first plurality of interconnects connecting two of the first plurality of arrayed loops, wherein the first plurality of interconnects is disposed outside of a sensing area of the sense element.
G01D 5/20 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
Methods and apparatuses for failure mode detection in a contactor are disclosed. In a particular embodiment, a method for failure mode detection in a contactor includes maintaining the contactor command signal in the open state; connecting the contactor to a voltage supply that supplies a first predetermined voltage amount to the contactor; measuring a first amount of time for a magnitude of a coil current of the coil to exceed a first predetermined current threshold; determining whether the first amount of time exceeds a first predetermined time threshold; responsive to determining that the first amount of time does not exceed the first predetermined time threshold, determining that the contactor is in the open state; and responsive to determining that the first amount of time exceeds the first predetermined time threshold, determining that the contactor is in the closed state.
H01H 47/00 - Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
H01H 50/18 - Movable parts of magnetic circuits, e.g. armature
H01H 47/22 - Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for supplying energising current for relay coil
G01R 31/327 - Testing of circuit interrupters, switches or circuit-breakers
39.
ADJUSTMENT OF INDIRECTLY DETERMINED VALUES OF A TIRE MONITORING SYSTEM
Methods, systems, apparatuses, and computer program products for adjustment of indirectly determined values of a tire monitoring system are disclosed. In a particular embodiment, adjustment of indirectly determined values of a tire monitoring system includes identifying an indirectly determined value associated with a tire. The tire monitoring controller also identifies one or more tire parameters from one or more direct measurement devices. The tire monitoring controller uses the one or more tire parameters from the one or more direct measurement devices to adjust the indirectly determined value. The tire monitoring controller uses the adjusted indirectly determined value to indirectly determine a wear condition value for the tire.
Apparatuses that include a junction-isolated semiconductor strain gauge and methods for manufacturing a junction-isolated semiconductor strain gauge are disclosed. In a particular embodiment, an apparatus comprises a silicon chip that includes a silicon substrate and a semiconductor strain gauge. In this embodiment, the semiconductor strain gauge includes a plurality of resistors formed by locally doping the silicon substrate and biasing the silicon substrate such that the resistors of the plurality of resistors are junction-isolated. The silicon chip also includes a field shield layer to isolate an output signal of the semiconductor strain gauge from external electrical fields.
G01L 9/00 - Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by electric or magnetic pressure-sensitive elementsTransmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
Methods and apparatuses to obtain increased performance and differentiation for an inductive position sensor through non-disruptive placement of multiloop coil interconnects are disclosed. In a particular embodiment, a sense element includes at least one transmit coil; a first receive coil that includes a first plurality of arrayed loops, wherein two or more of the first plurality of arrayed loops are phase blended; and a first plurality of interconnects, each of the first plurality of interconnects connecting two of the first plurality of arrayed loops, wherein the first plurality of interconnects is disposed outside of a sensing area of the sense element.
G01D 5/20 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
42.
UTILIZING A FOUR-THERMISTOR CIRCUIT TO IMPROVE THE ACCURACY OF AN UNAMPLIFIED MEMS PRESSURE SENSOR
Utilizing a four-thermistor circuit to improve the accuracy of a pressure sensing device is disclosed. In a particular embodiment, a pressure sensor includes a pressure sensing element; two or more first thermistors electrically coupled to the pressure sensing element, the two or more first thermistors providing compensation for deviation of the pressure sensing element in a lower thermal range; and two or more second thermistors electrically coupled to the pressure sensing element, the two or more second thermistors providing compensation for deviation of the pressure sensing element in a lower thermal range.
G01L 19/00 - Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
G01L 9/06 - Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by electric or magnetic pressure-sensitive elementsTransmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of variations in ohmic resistance, e.g. of potentiometers of piezo-resistive devices
Systems and methods of tire monitor auto location are disclosed. A tire pressure monitoring system generates output signals to communicate with tire monitors mounted on tires of a vehicle. Times associated with return signals responsive to the output signals are used to determine a distance of the tire monitors and/or an angular displacement of the tire monitors. Using these techniques, monitors may be located without the need for vehicle operation. In other examples, accelerometers and/or contact patch measurements can be used to auto-locate tire monitors, e.g., while the vehicle is in operation.
Methods, apparatuses, systems, and computer program products for wheel theft detection and notification using a tire pressure monitoring system (TPMS) are disclosed. In a particular embodiment, wheel theft detection and notification using a TPMS includes monitoring, by an electronic control unit (ECU) of a vehicle, one or more parameters associated with a tire monitoring sensor (TMS) coupled to a wheel assembly of the vehicle. In this embodiment, the ECU determines, based on the monitored one or more parameters, that the wheel assembly is in a compromised state associated with the wheel assembly being dislocated from the vehicle or in danger of being dislocated from the vehicle. In response to determining that the wheel assembly is in the compromised state, the ECU triggers an alarm of a vehicle security system.
B60R 25/10 - Fittings or systems for preventing or indicating unauthorised use or theft of vehicles actuating a signalling device
G01L 17/00 - Devices or apparatus for measuring tyre pressure or the pressure in other inflated bodies
G01S 5/02 - Position-fixing by co-ordinating two or more direction or position-line determinationsPosition-fixing by co-ordinating two or more distance determinations using radio waves
B60C 23/04 - Signalling devices actuated by tyre pressure mounted on the wheel or tyre
B60R 25/24 - Means to switch the anti-theft system on or off using electronic identifiers containing a code not memorised by the user
B60R 25/30 - Detection related to theft or to other events relevant to anti-theft systems
B60R 25/102 - Fittings or systems for preventing or indicating unauthorised use or theft of vehicles actuating a signalling device a signal being sent to a remote location, e.g. a radio signal being transmitted to a police station, a security company or the owner
45.
WHEEL THEFT DETECTION AND NOTIFICATION USING A TIRE PRESSURE MONITORING SYSTEM
Methods, apparatuses, systems, and computer program products for wheel theft detection and notification using a tire pressure monitoring system (TPMS) are disclosed. In a particular embodiment, wheel theft detection and notification using a TPMS includes monitoring, by an electronic control unit (ECU) of a vehicle, one or more parameters associated with a tire monitoring sensor (TMS) coupled to a wheel assembly of the vehicle. In this embodiment, the ECU determines, based on the monitored one or more parameters, that the wheel assembly is in a compromised state associated with the wheel assembly being dislocated from the vehicle or in danger of being dislocated from the vehicle. In response to determining that the wheel assembly is in the compromised state, the ECU triggers an alarm of a vehicle security system.
A system and method of in cell sensing is provided. The method may include measuring sensing data from a sensor assembly hermetically sealed within a battery cell. The sensor assembly may include a sensing element, a processor and a radio. The method may further include sending and receiving the sensing data, via the sensor assembly. The sensing data may include at least one of temperature, pressure, voltage and shock of the battery cell.
H01M 50/569 - Constructional details of current conducting connections for detecting conditions inside cells or batteries, e.g. details of voltage sensing terminals
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
An isolation monitoring approach according to the invention is defined with respect to first and second battery connection positions, each of which is not tied to a chassis. First and second respective resistor strings, each having a first end and a second end, are each connected at their first end to the respective first and second battery connection positions. The first and second resistor strings are each connected at their second end to the chassis. In each of the first and second resistor strings, an optically-controlled MOSFET relay is connected across part of the resistor string. Connected to each of the resistor strings, at a point between the MOSFET relay and the chassis, is a respective voltage measurement circuit connected to measure voltage relative to the chassis. In operation, the MOSFETs associated with the resistor strings can be turned on and off. This brings about an excitation signal with respect to the resistor strings, and the voltage measurement circuits can measure the voltages during the time of the excitation signal, comparing them with the voltages in the absence of the excitation signal. This permits arriving at an inferred value for isolation loss along a modeled leakage path between the associated battery connection positions and the chassis. In the event of an isolation failure, the event can be annunciated.
In a particular embodiment, a sensing element that deforms in response to applications of forces to the force sensor apparatus, the sensing element including three or more defined contact features configured to interface with a counterpart; and one or more sensing gauges coupled to a top surface of the sensing element and configured to generate a signal indicating the degree that the sensing element deforms in response to the application of forces to the force sensor apparatus; wherein the sensing element includes three or more defined contact features that interface with a counterpart.
G01L 1/22 - Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluidsMeasuring force or stress, in general by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
G01L 1/26 - Auxiliary measures taken, or devices used, in connection with the measurement of force, e.g. for preventing influence of transverse components of force, for preventing overload
G01L 5/22 - Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring the force applied to control members, e.g. control members of vehicles, triggers
A connector for use with a sensor, such as a pressure sensor, has EMI absorbing capabilities. The connector includes a polymeric body configured for coupling to a sensor body and an EMI absorbing material. The EMI absorbing material may be entrained in the polymeric body, coated on the polymeric body, or otherwise integrated with the polymeric body. The EMI absorbing material may be carbon black or carbon nanotubes.
G01L 19/00 - Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
H05K 9/00 - Screening of apparatus or components against electric or magnetic fields
A tire monitor includes a sensor generating tire data and a plurality of control modules having phase locked loop circuits. The control modules generate output signals carrying the tire data. A first of the control modules is configured to generate first output signals having a first frequency and according to a first protocol. A second of the control modules is configured to generate second output signals having a second frequency and according to a second protocol. In examples, the output signal can be transmitted in parallel to different computing systems.
A tire monitor includes a sensor generating tire data and a plurality of control modules having phase locked loop circuits. The control modules generate output signals carrying the tire data. A first of the control modules is configured to generate first output signals having a first frequency and according to a first protocol. A second of the control modules is configured to generate second output signals having a second frequency and according to a second protocol. In examples, the output signal can be transmitted in parallel to different computing systems.
An electromechanical rotary latch for use in current interruption devices disclosed. In a particular embodiment, a fuse device comprises a rotary latch; a rotatable armature configured to actuate the rotary latch; and a contact configured to change between a set position that allows current flow through the fuse device and a triggered position which interrupts current flow through the fuse device; wherein the fuse device is configured such that when a threshold current level passes through the fuse device, the rotatable armature changes configuration in response to a generated electromagnetic field, which actuates the rotary latch causing the contact to transition to the triggered position.
A current interruption device utilizing an electromechanical rotary latch, the device comprising a rotary latch 140; a rotatable armature 170 configured to actuate the rotary latch 140; and a contact 106 configured to change between a set position that allows current flow through the current interruption device and a triggered position which interrupts current flow through the current interruption device; wherein the current interruption device is configured such that when a threshold current level passes through the current interruption device, the rotatable armature 170 changes configuration in response to a generated electromagnetic field, which actuates the rotary latch 140 causing the contact 106 to transition to the triggered position.
Embodiments included herein are directed towards sensing devices and related methods. Embodiments may include a first gauge positioned on a port of the sensing device. A first resistor of the first gauge may be positioned in a first compression region of the port. A second resistor of the first gauge may also be positioned in the first compression region of the port.
G01L 9/04 - Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by electric or magnetic pressure-sensitive elementsTransmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of variations in ohmic resistance, e.g. of potentiometers of resistance strain gauges
A pedal system includes a user interface, e.g., a pedal for contacting by a driver of a vehicle, a force sensor, and a force transfer member between the user interface and the force sensor. A force applied to the user interface is detected and measured by the force sensor. One or more membranes, e.g., two membranes, are arranged at an outer surface of the force transfer member to decouple off-center loading and non-uniform forces, e.g., resulting from off-center force application at the user interface.
G01L 5/22 - Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring the force applied to control members, e.g. control members of vehicles, triggers
B60T 7/04 - Brake-action initiating means for personal initiation foot-actuated
G01L 1/26 - Auxiliary measures taken, or devices used, in connection with the measurement of force, e.g. for preventing influence of transverse components of force, for preventing overload
G01L 1/04 - Measuring force or stress, in general by measuring elastic deformation of gauges, e.g. of springs
G01L 9/08 - Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by electric or magnetic pressure-sensitive elementsTransmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of piezoelectric devices
G01L 1/20 - Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluidsMeasuring force or stress, in general by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
G01L 9/04 - Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by electric or magnetic pressure-sensitive elementsTransmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of variations in ohmic resistance, e.g. of potentiometers of resistance strain gauges
B60T 11/18 - Connection thereof to initiating means
56.
WIDE FIELD OF VIEW ANTENNA FOR BLIND SPOT DETECTION
A radar system and methods of using the system provide a wide field of view for identifying objects proximate a vehicle. The radar system includes a number of aligned strings of patch antennas as a transmit antenna and one or more strings of patch antennas as a receiving antenna. Driving circuitry also is provided to drive transmission via the antenna strings. In examples, the antenna system reduces the negative impacts of deep nulls.
In an embodiment, a multi-switch contactor assembly includes an array of at least three switches, the array including a first switch comprising a first moveable contact and at least one first fixed contact, the first switch configured to change a switch state between an open state and a closed state; a second switch comprising a second moveable contact and at least one fixed second contact, the second switch configured to change a switch state between an open state and a closed state; and a third switch comprising a third moveable contact and at least one third fixed contact, the third switch configured to change a switch state between an open state and a closed state. The multi-switch contactor assembly further includes an actuator assembly configured to actuate the first moveable contact, the second moveable contact, and the third moveable contact, the actuator assembly including a shaft, wherein the respective switch states of the three switches is change in dependence upon rotation of the shaft.
Modular waveguide to printed circuit board (PCB) interconnected radar, apparatuses, and methods of using a modular waveguide to PCB interconnected radar are disclosed. In a particular embodiment, a modular waveguide to printed circuit board (PCB) interconnected radar is disclosed that includes a waveguide launch PCB and a waveguide interconnect coupled to the waveguide launch PCB. The radar also includes an antenna launch PCB coupled to the waveguide interconnect.
Methods, apparatuses, systems, devices, and computer program products for eliminating the need for a manual tread wear system reset in a tire management system are disclosed. In a particular embodiment, a method to eliminate the need for a manual tread wear system reset in a tire management system includes a vehicle control system (VCS) of a vehicle receiving a tire identifier for a tire corresponding to a tire sensor. In this embodiment, the vehicle control system determines, based on the tire identifier, whether the tire is in an unused state and calculates, based on whether the tire is in an unused state, a tread depth for the tire.
Methods, system, apparatuses, and computer program products for securely pairing a vehicle-mounted wireless sensor with a central device are disclosed. In a particular embodiment, securely pairing a vehicle-mounted wireless sensor with a central device in accordance with the present disclosure includes a vehicle sensor device pairing with a vehicle control system (VCS) using a pre-shared passkey. The pre-shared passkey is shared between the vehicle sensor device and the VCS via an out-of-band exchange. This embodiment also includes the vehicle sensor device transmitting an identifier for a resolvable private address (RPA) to the VCS. In addition, the vehicle sensor device communicates with the VCS using the RPA. In this example embodiment, the RPA is periodically regenerated by the vehicle sensor device.
The present disclosure relates to a system and method for a tire pressure monitoring system. Embodiments may include a first amplifier associated with a plurality of amplifiers that is configured to receive a signal. The plurality of amplifiers may be configured to generate a first output, wherein generating includes filtering the signal and increasing an amplitude of the signal. A fixed threshold comparator may be configured to receive the first output and to generate a second output, based upon, at least in part, the first output, wherein the second output has the same frequency as the signal. Automatic gain control logic may be configured to receive the second output and determine a number of cycles in a given time period, the automatic gain control logic may be further configured to determine whether a revision to a setting of the automatic gain control logic is necessary.
Systems and methods for vehicle sensor learning using a low power wake-up receiver is disclosed. In a particular embodiment, a tire monitoring that comprises a low power receiver and a transceiver receives, at the low power receiver, a radio frequency (RF) activation signal from a remote device, transitions to a wake state in response to receiving the activation signal, and transmits, via the transceiver, an RF response signal including an identification code to the remote device. The remote device, such as a handheld activation tool or an activation station in an assembly line, transmits the activation signal, receives the response signal, and associates the identification code of tire monitoring sensor with a location on the vehicle. The identification code and location may be provided to the vehicle control system.
Sensing devices as well as methods of making and using the same. The sensing devices may include a pedestal (360,66,760) having a sensing element assembly (302) associated therewith and a port assembly (370,406,770) configured to mate with the pedestal (360,66,760). The port assembly (370,406,770) may include an axial passage (522) having a top portion (363) including an undercut feature (521,621,721) positioned to engage with a welded portion.
G01L 19/00 - Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
G01L 9/00 - Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by electric or magnetic pressure-sensitive elementsTransmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
H01L 29/84 - Types of semiconductor device controllable by variation of applied mechanical force, e.g. of pressure
G01L 19/06 - Means for preventing overload or deleterious influence of the measured medium on the measuring device or vice versa
64.
TRANSFORMER-BASED TRIGGER MECHANISM FOR CURRENT INTERRUPTION DEVICES AND CIRCUIT DESIGNS FOR SAME
An improved circuit interruption system for interrupting a primary circuit includes a secondary circuit disposed in a magnetic field generated by current passing through the primary circuit. In response to a threshold change to the charge induced in the secondary circuit, a circuit interrupting device opens the primary circuit. The secondary circuit uses a coil to achieve this by being responsive to a magnetic field generated by the primary circuit. A ferromagnetic core is disposed within the coil to direct the magnetic flux. The coil circumscribes the ferromagnetic core, which circumscribes a portion of the primary circuit. The circuit interruption system may include a pyrotechnic device.
The present disclosure relates to a system and method for a tire pressure monitoring system. Embodiments may include receiving and storing an input signal in a memory; receiving a digital signal from the memory at a digital signal processor, wherein the digital signal processor includes a plurality of selectable filters; filtering the digital signal through the plurality of selectable filters, wherein filtering the digital signal generates a forward-filtered digital signal; storing the forward-filtered digital signal in the memory; reversing the forward-filtered digital signal, wherein reversing the forward-filtered digital signal generates a reverse-filtered digital signal; and filtering the reverse-filtered digital signal through the plurality of selectable filters, wherein filtering the reverse-filtered digital signal generates a processed signal.
A system and method determine and/or adjust tire pressure sensor timings to transmit information using BLE information, regardless of the presence of other BLE systems. A tire pressure monitoring (TPM) system or other computing device receives transmission timing information from tire monitors that transmit using BLE and/or other BLE-enabled components. In response to determining an interference between the transmissions of the tire monitors and/or the components, timing of the transmissions from one or more of the tire monitors is altered to avoid the interference.
B60C 23/04 - Signalling devices actuated by tyre pressure mounted on the wheel or tyre
G01R 31/28 - Testing of electronic circuits, e.g. by signal tracer
H04W 4/80 - Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
H04Q 9/00 - Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
An improved inductive sensor determines angular positions for rotating objects, such as rotors of synchronous electric motors. The inductive sensor includes an arcuate transmitter coil, one or more receiver coils, and a conductive target configured to rotate with the rotating object, relative to the transmitter coil and the receiver coil(s). The conductive target includes a plurality of lobes and individual of the lobes is split into multiple lobe portions.
G01B 7/30 - Measuring arrangements characterised by the use of electric or magnetic techniques for measuring angles or tapersMeasuring arrangements characterised by the use of electric or magnetic techniques for testing the alignment of axes
Embodiments included herein are directed towards a method for estimating tire load. Embodiments may include determining a tire pressure associated with a tire and determining a tire angular velocity associated with the tire. Embodiments may further include obtaining one or more tire stiffness coefficients and determining a tire radial deformation based upon, at least in part, a length of a tire ground contact patch or a contact patch angle.
Apparatuses, systems, wireless signal transmission devices, tire pressure monitoring system (TPMS) sensors, and methods of using a loop antenna element for wireless signal transmission are disclosed. In a particular embodiment, a TPMS sensor is disclosed that includes one or more sub-sensors configured to sense data associated with a tire. In this embodiment, the TPMS sensor also includes a printed circuit board (PCB) coupled to the one or more sub-sensors. The PCB has a top surface, a bottom surface substantially parallel to the top surface, and an edge surface between the top surface and the bottom surface. According to this embodiment, the TPMS sensor also includes a loop antenna element on the edge surface of the PCB.
Methods, systems, apparatuses, and computer program products for persistent alarm transmissions associated with a vehicle mounted wireless sensor device are disclosed. In a particular embodiment, persistent alarm transmission includes a vehicle mounted wireless sensor device monitoring one or more operational parameters of a vehicle and detecting that the one or more operational parameters violates a configurable threshold that is configured by another device. In response to detecting that the one or more operational parameters violates the configurable threshold, the vehicle mounted wireless sensor device persistently transmits an alarm message.
In a particular embodiment, a force sensor apparatus is disclosed that includes a force-compliant element that deforms in response to applications of forces to the force sensor apparatus. The force sensor apparatus also includes a sensing element coupled to an upper region of the force-compliant element and configured to generate one or more signals indicating an amount that the force-compliant element deforms in response to the application of forces to the force sensor apparatus. The force-compliant element has a bottom region that includes a force-receiving surface and an outer region surrounding the force-receiving surface. In this example embodiment, the outer region is substantially level. In a particular embodiment, the outer region is absent any grooves. Alternatively, the outer region may have one or more small grooves.
G01L 1/22 - Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluidsMeasuring force or stress, in general by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
G01L 1/26 - Auxiliary measures taken, or devices used, in connection with the measurement of force, e.g. for preventing influence of transverse components of force, for preventing overload
G01L 5/22 - Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring the force applied to control members, e.g. control members of vehicles, triggers
Methods, apparatuses, computer program products, systems for enhanced tracking of tire tread wear are disclosed. In a particular embodiment, a tire monitoring sensor (TMS) detects a tread wear reporting event, generates tread wear data including at least a rotational time period, and transmits the tread wear data to a vehicle control system (VCS). The rotational time period may be a measure of time the tire takes to complete a particular number of revolutions. The VCS receives, from the TMS, the tread wear data including at least the rotational time period, determines a current circumference of the tire based on at least the rotational time period, and determines a tread wear value based on at least the current circumference.
An improved inductive sensor determines angular positions for rotating objects, such as rotors of synchronous electric motors. The inductive sensor includes an arcuate transmitter coil, one or more receiver coils, and a conductive target configured to rotate with the rotating object, relative to the transmitter coil and the receiver coil(s). The conductive target includes a plurality of lobes and individual of the lobes is split into multiple lobe portions.
G01B 7/30 - Measuring arrangements characterised by the use of electric or magnetic techniques for measuring angles or tapersMeasuring arrangements characterised by the use of electric or magnetic techniques for testing the alignment of axes
G01D 5/20 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
A tire monitor includes a sensor generating tire data. The tire monitor is configured to wake in response to a low frequency interrupt signal received from a remote source. Upon waking, the tire monitor scans Bluetooth Low Energy (BLE) channels to establish a BLE connection with the remote source. The tire monitor communicates with the remote source over the BLE connection.
B60C 23/04 - Signalling devices actuated by tyre pressure mounted on the wheel or tyre
H04W 4/80 - Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
75.
SECURE WIRELESS PROTOCOL FOR WIRELESS SENSOR NETWORKS
Methods, systems, apparatuses, and computer program products for using a secure wireless protocol within a wireless battery management system are disclosed. In a particular embodiment, a first wireless component of the BMS determines, based on a freshness value counter, a first freshness value. The first wireless component generates a message body comprising the first freshness value and a data payload. In this embodiment, the first wireless component uses a first session key shared with a second wireless component of the BMS, to encrypt the message body and generate a message authentication code based on the encrypted message body and the first session key. The first wireless component transmits to the second wireless component, a message that includes the encrypted message body and the message authentication tag.
A system and method determine tire pressure anomalies when a vehicle is stationary. A motion sensor determines that a vehicle is stationary. A sampling rate of a pressure sensor is adjusted to a non-zero sampling rate with the vehicle stationary, and sampled pressure measurements are compared to acceptable tire pressures to determine anomalies. The location of the tire anomaly may also be determined using reference and updated motion data. A driver or other individual associated with the vehicle is alerted to details about the anomaly before extensive vehicle operation.
In a particular embodiment, functional safety in a battery management system includes a network controller of a battery management system (BMS) receiving from a module monitoring system (MMS) of the BMS, a message that includes a first set of data type blocks. In this embodiment, the network controller determines for the first set of data type blocks, a block sequence order that indicates a position of each data type block within the message. The network controller determines whether the message conforms with a predetermined block sequence protocol. In response to determining that the message does not conform with a predetermined block sequence protocol, the network controller determines that data within the message is stale.
H04L 1/00 - Arrangements for detecting or preventing errors in the information received
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
B60R 16/023 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for transmission of signals between vehicle parts or subsystems
78.
COMPONENT ASSEMBLIES AND METHODS OF MANUFACTURING COMPONENT ASSEMBLIES THAT INCLUDE A MAGNETIC YOKE ASSEMBLY FOR ELECTROMECHANICAL CONTACTORS AND RELAYS
Component assemblies and methods of manufacturing component assemblies that include a magnetic yoke assembly for electromechanical contactors and relays are disclosed. In a particular embodiment, a component assembly that includes a magnetic yoke assembly for electromechanical contactors and relays is described. In this embodiment, the magnetic yoke assembly includes a movable contact and a ferromagnetic upper yoke mounted in above the moveable contact and separate from the moveable contact. The magnetic yoke assembly also includes a ferromagnetic lower yoke mounted under the moveable contact.
Methods, apparatuses, and computer program products for utilizing a multi-functional wireless module monitoring system (MMS) in an electric battery pack are disclosed. In a particular embodiment, utilizing the multi-functional wireless MMS in an electric battery pack includes the multi-functional wireless MMS monitoring one or more attributes of a plurality of battery cells in the electric battery pack and generating based on the monitored one or more attributes, battery sensor data. Responsive to the multi-functional wireless MMS operating in a first operational mode, the multi-functional wireless MMS transmits via a wireless interface, a first set of the battery sensor data to a wireless network controller (WNC) of a battery management system (BMS). Responsive to the multi-functional wireless MMS operating in a second operational mode, the multi-functional wireless MMS transmits via a wired interface, a second set of the battery sensor data.
G01R 31/36 - Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
G01R 31/392 - Determining battery ageing or deterioration, e.g. state of health
G01R 31/396 - Acquisition or processing of data for testing or for monitoring individual cells or groups of cells within a battery
80.
ACCELERATED ERROR TESTING FOR WIRELESS BATTERY MANAGEMENT SYSTEMS
Methods, apparatuses, and systems for accelerated error testing for wireless battery management systems are disclosed. Embodiments in accordance with the present disclosure are directed to wireless sensor systems, and specifically to wireless battery management systems (BMS) in vehicles. A test system for a BMS provides a plurality of interference test profiles each comprising interference signals for testing the BMS. For each interference test profile, the interference signals are broadcast by the test system during operation of the BMS. The test system samples packets received by the wireless network controller from at least one battery measurement device during the broadcast of the interference signals and determines a packet error rate (PER) of the BMS for the interference test profile.
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
H04Q 9/00 - Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
81.
COMMUNICATION IN A WIRELESS BATTERY MANAGEMENT SYSTEM FOR A BATTERY PACK STRUCTURE
In a particular embodiment, an apparatus is disclosed that includes a battery pack structure that includes a plurality of battery cells. The apparatus also includes wireless battery management system that includes a first wireless communication device, a second wireless communication device, and a radio frequency passive repeater. The radio frequency passive repeater includes a conductor cable, a first antenna at a first end of the conductor cable, and a second antenna at the second end of the conductor cable. In this example embodiment, the first antenna is located within a first wireless signal reception zone of the first wireless communication device and the second antenna is located within a second wireless signal reception zone of the second wireless communication device.
Embodiments included herein are directed towards an apparatus for actuating a switch of an operator control device, and related methods. Embodiments of the present disclosure may include a trigger shaped to mate with the operator control device. The trigger may include an integrated preload portion formed, at least in part, within the trigger. The trigger may further include an integrated actuator portion formed, at least in part, at an interfacing portion of the trigger. The integrated actuator portion may be configured to interface with the switch of the operator control device.
Methods, apparatuses, computer program products, systems for tire fill assistance session control are disclosed. In a particular embodiment, a method includes identifying, by a tire fill assistance controller, a user selection indicating a tire for electronic tire fill assistance; establishing, by the tire fill assistance controller in dependence upon the user selection, a wireless connection to a tire pressure monitoring (TPM) sensor associated with the tire; configuring, by the tire fill assistance controller, a tire pressure sampling rate of the TPM sensor for a tire fill assistance session; receiving, by the tire fill assistance controller, a plurality of tire pressure readings from the TPM sensor during the tire fill assistance session; and providing, by the tire fill assistance controller to a user, tire fill guidance based on the plurality of tire pressure readings.
In a particular embodiment, a force sensor apparatus is disclosed that includes a sensor housing and a sensing assembly. In this particular embodiment, the sensing assembly includes a force-compliant element having a center portion and an outer portion; one or more sensing elements coupled to the center portion of the force-compliant element; and a flexible spring element having an outer diameter and a center portion. According to at least one embodiment of the present disclosure, the flexible spring element curves from the outer diameter to the center portion of the flexible spring element and the center portion of the flexible spring element is aligned with the center portion of the force-compliant element. In this embodiment, the outer diameter is separated from a ledge of the outer portion of the force-compliant element by a space.
G01L 1/26 - Auxiliary measures taken, or devices used, in connection with the measurement of force, e.g. for preventing influence of transverse components of force, for preventing overload
G01L 1/04 - Measuring force or stress, in general by measuring elastic deformation of gauges, e.g. of springs
Coil configurations for sensing devices, and related methods are directed towards a sensor including an inductance-capacitance oscillating circuit. The inductance-capacitance oscillating circuit may include a first coil arranged in parallel with a second coil. The inductance-capacitance oscillating circuit may further include an oscillator in electronic communication with the first coil and the second coil. The first inductance-capacitance oscillating circuit may also include at least one capacitor positioned between the oscillator and at least one of the first coil and the second coil.
G01D 5/20 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
86.
RESOLVING A FAILURE IN COMMUNICATION WITHIN A WIRELESS BATTERY MANAGEMENT SYSTEM OF A VEHICLE
Methods, apparatuses, systems, devices, and non-transitory for resolving a failure in communication within a wireless battery management system (BMS) of a vehicle are disclosed. In a particular embodiment, a wireless network controller (WNC) of a wireless BMS determines that there is a failure in communication between the WNC and one or more module measurement systems (MMS). The WNC also determines a background radio frequency (RF) power level of a communication channel between the WNC and the one or more MMS and based on the determined background RF power level, selects one or more actions to perform in an attempt to correct the failure in communication between the WNC and the one or more MMS. In this particular embodiment, the WNC performs the selected one or more actions in an attempt to correct the failure in communication.
B60L 58/10 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
H04L 1/00 - Arrangements for detecting or preventing errors in the information received
Embodiments included herein are directed towards a method for determining a temperature-compensated touch state of a device, and related systems. The method may include receiving, by a processor of the device and from a first sensor of the device, a first measured value corresponding to a first sensor measurement captured by the first sensor. The method may further include receiving, by the processor and from a temperature sensor of the device, a temperature value corresponding to a first temperature measurement associated with the device and captured by the temperature sensor. The method may also include adjusting a signal corresponding to the first sensor measurement based upon, at least in part, the temperature value, to create a temperature-compensated touch signal. The method may additionally include determining, by the processor, the temperature-compensated touch state of the device based upon, at least in part, the temperature-compensated touch signal.
Embodiments for adaptive multipath control within an electric vehicle battery pack are disclosed. In a particular embodiment, a method for adaptive multipath control includes modifying at least one of: one or more transmission properties and one or more reflection properties of a metasurface of a module measurement system of a battery management system. In this embodiment, the metasurface is proximate to an antenna of the module measurement system. The method also includes transmitting, via the antenna of the module measurement system, battery sensor data.
H01Q 15/00 - Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
H01Q 19/10 - Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
H01Q 1/32 - Adaptation for use in or on road or rail vehicles
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
A wireless protocol in a sensing system, including: sending, by a wireless network controller (WNC), to a plurality of wireless sensor nodes, based on a time division multiple access (TDMA), a synchronization message; and receiving, by the wireless network controller, based on the TDMA, first sensor data from each wireless sensor node of the plurality of wireless sensor nodes.
Methods and apparatuses to obtain increased performance and differentiation for an inductive position sensor through improvements to the sense element and target design are disclosed. In a particular embodiment, a sense element includes a transmit coil, a first receive coil that includes a first plurality of arrayed loops, wherein two or more of the first plurality of arrayed loops are at least one of phase blended and amplitude arrayed, and a second receive coil that includes a second plurality of arrayed loops, wherein two or more of the second plurality of arrayed loops are at least one of phase blended and amplitude arrayed, and wherein the first receive coil and the second receive coil are phase shifted. The sense element coils are arrayed in several geometries and layouts, and the coil and target geometry are manipulated to compensate for inherent errors in the fundamental design of an inductive position sensor.
G01D 5/20 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
G01D 5/243 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using electric or magnetic means influencing the phase or frequency of AC
G01D 5/353 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using optical means, i.e. using infrared, visible or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
G01R 33/00 - Arrangements or instruments for measuring magnetic variables
91.
SYSTEM AND METHOD FOR COOLING HIGH POWER ELECTRICAL SYSTEMS
Embodiments included herein are directed towards an apparatus and method for manufacturing an electrical cooling apparatus. The method may include forming a first entirely solid metal plate to generate an enclosure. The method may also include affixing a bottom metal plate to the first entirely solid metal plate, the bottom metal plate may define a channel system. The bottom metal plate may include one or more inlet openings into the channel system, where the one or more inlet openings are configured to allow coolant to enter or exit the channel system.
H01L 23/34 - Arrangements for cooling, heating, ventilating or temperature compensation
H01L 23/473 - Arrangements for cooling, heating, ventilating or temperature compensation involving the transfer of heat by flowing fluids by flowing liquids
92.
System and method for cooling high power electrical systems
Embodiments included herein are directed towards an apparatus and method for manufacturing an electrical cooling apparatus. The method may include forming a first entirely solid metal plate to generate an enclosure. The method may also include affixing a bottom metal plate to the first entirely solid metal plate, the bottom metal plate may define a channel system. The bottom metal plate may include one or more inlet openings into the channel system, where the one or more inlet openings are configured to allow coolant to enter or exit the channel system.
Embodiments in accordance with the present disclosure are directed to sensor apparatuses utilizing a one-piece thermal isolated fitting (TIF) tube and methods of assembling the same. In a particular embodiment, a sensor apparatus includes a one-piece thermal isolated fitting (TIF) tube that includes a cylindrical shaped body portion and a flange at one end of the TIF tube. In this example embodiment, the flange has a top surface that is facing away from the cylindrical shaped body portion and an underside surface that is facing towards the cylindrical shaped body portion.
A tire monitoring apparatus comprises a sensor housing having a connection part integrated with the sensor housing, the connection part having an elongated opening and a corresponding mounting feature in a wheel rim, wherein a screw extends through the elongated opening and connects with the corresponding mounting feature in the wheel rim, thereby when the screw is not tightened fully, the sensor housing can be rotated with respect to the corresponding mounting feature in the wheel rim, and when the screw is tightened fully, the sensor housing is secured in place and does not rotate with respect to the corresponding mounting feature in the wheel rim.
Methods, apparatus, systems, and computer program products for estimating error in an electric motor position sensor are disclosed. In a particular embodiment, an electronic control unit (ECU) for an electric motor receives, during a first state of operation of the electric motor, a first plurality of time samples of a first output signal from a position sensor, the first output signal indicative of a rotational position of the electric motor during the first state. The embodiment includes determining a first magnitude value for each of the first plurality of time samples of the first output signal, determining a first magnitude ripple value based upon the plurality of first magnitude values, and determining a first absolute angle error based on the first magnitude ripple value. The embodiment further includes determining an estimated error offset based on the first absolute angle error and storing the estimated error offset in a memory.
A pressure and temperature sensor is provided. The sensor may include a pressure port configured to receive a media, wherein the pressure port includes at least one thermistor. The sensor may further include a body having a header and a sense element configured to seal the body from the media in the pressure port. The header and the sense element may define a space accessible to the media and the header may further include a media receiver configured to allow the media to pass between the pressure port and the space. The header may also include at least one pin in electrical communication with the thermistor and a pin receiver configured to accept the at least one pin. The at least one pin may be operatively connected to the pin receiver.
G01K 7/22 - Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat using resistive elements the element being a non-linear resistance, e.g. thermistor
Methods, apparatuses, computer program products, systems for estimating a tire operating efficiency and range of an electric vehicle are disclosed. In a particular embodiment, a method includes determining a tire load parameter for a tire based in part on a tire deformation parameter generated by a tire mounted sensor (TMS); determining a coefficient of rolling resistance parameter for the tire based in part on a tire pressure measurement and a linear velocity measurement; and determining, based on the tire load parameter and the coefficient of rolling resistance parameter, a force of rolling resistance parameter for the tire.
Embodiments of the present disclosure are directed towards various sensing devices. Embodiments may include an external housing and at least one conductor located included within and extending through an opening of the external housing. Embodiments may further include a spring clip included within the external housing and connected to the at least one conductor and a sensing element included within the external housing and connected to the spring clip.
G01K 13/024 - Thermometers specially adapted for specific purposes for measuring temperature of moving fluids or granular materials capable of flow of moving gases
G01K 7/16 - Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat using resistive elements
Methods, apparatus, systems, and computer program products for tire pressure monitoring system (TPMS) sensor authentication are disclosed. In a particular embodiment, an electronic control unit (ECU) of a vehicle receives a first radio frequency (RF) transmission that includes TPMS data and a first signature value. In this particular embodiment, the ECU uses a key value to generate a second signature value and determines whether the second signature value corresponds with the first signature value. In this example embodiment, the ECU uses a determination of whether the second signature value corresponds with the first signature value to determine whether the first RF transmission is from a particular TPMS sensor authenticated to the key value.
H04W 12/122 - Counter-measures against attacksProtection against rogue devices
B60C 23/04 - Signalling devices actuated by tyre pressure mounted on the wheel or tyre
H04L 67/12 - Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
H04W 4/80 - Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
Embodiments included herein are directed towards systems and methods for tire pressure monitoring. Embodiments may include transmitting a first Bluetooth Low Energy (“BLE”) event at a Phase Auto-Location (“PAL”) block associated with a vehicle electronic control unit (“ECU”). Embodiments may further include generating a random number to be used for an inter-event delay associated with a BLE system, wherein the inter-event delay includes a fixed time and a randomized delay. Embodiments may also include calculating a time for the randomized delay and adding the time to an encoded Look Back Time (“LBT”) from the first BLE event to generate frame contents. Embodiments may further include providing the frame contents and the random number to a stack for transmission.
B60C 23/04 - Signalling devices actuated by tyre pressure mounted on the wheel or tyre
H04W 4/48 - Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for in-vehicle communication
H04Q 9/00 - Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
