Systems, methods, and devices are described for monitoring and protecting electronic hardware, data assets, and the facility itself, particularly well-suited to monitoring remote facilities and resources in edge locations, including for determining door state for both equipment and personnel doors, and for determining values of one or more environmental parameters, using optical image analytics. An example system includes one or more edge-located hardware monitoring devices having one or more physical sensors, and custom software distributed across edge, cloud, mobile, and enterprise platforms. An example monitoring device can include an embedded computer, various sensors of different types, one or more cameras, a power supply, and several communication interfaces. All or virtually all sensing and processing capabilities can be integrated into the edge device, which utilizes low-cost sensors and video analytics to monitor the environment.
A barcode tag includes a base layer having a front side and a back side, an attachment surface disposed on at least a portion of the front side or the back side, and a barcode symbol comprising plural perforations formed entirely through the base layer. Methods and systems for tracking equipment items in an equipment rack using barcode tags are also disclosed.
G06K 19/06 - Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
G06K 7/14 - Methods or arrangements for sensing record carriers by electromagnetic radiation, e.g. optical sensingMethods or arrangements for sensing record carriers by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
G06K 19/077 - Constructional details, e.g. mounting of circuits in the carrier
3.
System, apparatus, and method for monitoring edge compute sites
Systems, methods, and devices are described for monitoring and protecting electronic hardware, data assets, and the facility itself, particularly well-suited to monitoring remote facilities and resources in edge locations, including for determining door state for both equipment and personnel doors, and for determining values of one or more environmental parameters, using optical image analytics. An example system includes one or more edge-located hardware monitoring devices having one or more physical sensors, and custom software distributed across edge, cloud, mobile, and enterprise platforms. An example monitoring device can include an embedded computer, various sensors of different types, one or more cameras, a power supply, and several communication interfaces. All or virtually all sensing and processing capabilities can be integrated into the edge device, which utilizes low-cost sensors and video analytics to monitor the environment.
Systems, methods, and devices are described for monitoring and protecting electronic hardware, data assets, and the facility itself, particularly well-suited to monitoring remote facilities and resources in edge locations, including for determining door state for both equipment and personnel doors, and for determining values of one or more environmental parameters, using optical image analytics. An example system includes one or more edge-located hardware monitoring devices having one or more physical sensors, and custom software distributed across edge, cloud, mobile, and enterprise platforms. An example monitoring device can include an embedded computer, various sensors of different types, one or more cameras, a power supply, and several communication interfaces. All or virtually all sensing and processing capabilities can be integrated into the edge device, which utilizes low-cost sensors and video analytics to monitor the environment.
G08B 13/194 - Actuation by interference with heat, light, or radiation of shorter wavelengthActuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
H04N 23/11 - Cameras or camera modules comprising electronic image sensorsControl thereof for generating image signals from different wavelengths for generating image signals from visible and infrared light wavelengths
5.
Barcode tag, and method and system employing same, for tracking electronic equipment
A barcode tag includes a base layer having a front side and a back side, an attachment surface disposed on at least a portion of the front side or the back side, and a barcode symbol comprising plural perforations formed entirely through the base layer. Methods and systems for tracking equipment items in an equipment rack using barcode tags are also disclosed.
G06K 19/06 - Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
G06K 7/14 - Methods or arrangements for sensing record carriers by electromagnetic radiation, e.g. optical sensingMethods or arrangements for sensing record carriers by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
G06K 19/077 - Constructional details, e.g. mounting of circuits in the carrier
6.
Barcode tag, and method and system employing same, for tracking electronic equipment
A barcode tag includes a base layer having a front side and a back side, an attachment surface disposed on at least a portion of the front side or the back side, and a barcode symbol comprising plural perforations formed entirely through the base layer. Methods and systems for tracking equipment items in an equipment rack using barcode tags are also disclosed.
G06K 19/06 - Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
G06K 7/14 - Methods or arrangements for sensing record carriers by electromagnetic radiation, e.g. optical sensingMethods or arrangements for sensing record carriers by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
G06K 19/077 - Constructional details, e.g. mounting of circuits in the carrier
7.
System and method for monitoring voltage in a cable
A sensor device for detecting voltage in a conductor cable includes a sense electrode to be disposed over a surface of the conductor cable to cover a sense region having a sense axial width and a sense circumferential length and a reference electrode to be disposed over the surface of the conductor cable to cover a reference region. The reference region has an axial position adjacent the axial position of the sense region and has a reference circumferential length greater than the sense circumferential length. The sensor device further includes a charge measurement circuit connected in series between the sense electrode and the reference electrode to measure a charge measurement and circuitry to compare the charge measurement to a threshold to detect a presence of the voltage in the conductor cable.
09 - Scientific and electric apparatus and instruments
42 - Scientific, technological and industrial services, research and design
Goods & Services
remote video, audio, motion, temperature and humidity monitoring systems consisting primarily of a video camera, thermal camera, ambient temperature sensor, and humidity sensor for monitoring the locations housing network servers and the environmental conditions at the locations; remote monitoring devices combining a video camera and multiple sensors for determining objects' movement, temperature and moisture, and internet and wireless communication technology being computer hardware in a single housing for monitoring a remote server location and the environmental conditions at the server location, for use by information technology professionals software as a service (SAAS) services featuring software for monitoring activity, location of hardware assets, and environmental conditions at a remote network server location, for use by information technology (IT) professionals
A system includes an asset management system in communication with an asset disposed within a rack, an asset tracking server, a gateway, and a set of equipment racks including the rack in which the asset is disposed. Each equipment rack defines a face. The equipment rack includes an observer device and a location indicator device. The system includes a set of tags attached to assets disposed within the set of equipment racks, a tag of the set of tags attached to the asset. The asset management system is to identify a maintenance event associated with the asset and is to communicate the identity of the asset to the asset tracking server. The asset tracking server is to locate the rack location of the tag associated with the asset and is to communicate with the associated observer device, which is to direct the location indicator device to provide a light signal.
H04L 12/66 - Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
G06K 7/14 - Methods or arrangements for sensing record carriers by electromagnetic radiation, e.g. optical sensingMethods or arrangements for sensing record carriers by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
10.
System and method for monitoring voltage in a cable
A sensor device for detecting voltage in a conductor cable includes a sense electrode to be disposed over a surface of the conductor cable to cover a sense region having a sense axial width and a sense circumferential length and a reference electrode to be disposed over the surface of the conductor cable to cover a reference region. The reference region has an axial position adjacent the axial position of the sense region and has a reference circumferential length greater than the sense circumferential length. The sensor device further includes a charge measurement circuit connected in series between the sense electrode and the reference electrode to measure a charge measurement and circuitry to compare the charge measurement to a threshold to detect a presence of the voltage in the conductor cable.
A sensor device for detecting voltage in a conductor cable includes a sense electrode to be disposed over a surface of the conductor cable to cover a sense region having a sense axial width and a sense circumferential length and a reference electrode to be disposed over the surface of the conductor cable to cover a reference region. The reference region has an axial position adjacent the axial position of the sense region and has a reference circumferential length greater than the sense circumferential length. The sensor device further includes a charge measurement circuit connected in series between the sense electrode and the reference electrode to measure a charge measurement and circuitry to compare the charge measurement to a threshold to detect a presence of the voltage in the conductor cable.
A system includes an asset management system in communication with an asset disposed within a rack, an asset tracking server, a gateway, and a set of equipment racks including the rack in which the asset is disposed. Each equipment rack defines a face. The equipment rack includes an observer device and a location indicator device. The system includes a set of tags attached to assets disposed within the set of equipment racks, a tag of the set of tags attached to the asset. The asset management system is to identify a maintenance event associated with the asset and is to communicate the identity of the asset to the asset tracking server. The asset tracking server is to locate the rack location of the tag associated with the asset and is to communicate with the associated observer device, which is to direct the location indicator device to provide a light signal.
G06K 7/00 - Methods or arrangements for sensing record carriers
G06K 7/14 - Methods or arrangements for sensing record carriers by electromagnetic radiation, e.g. optical sensingMethods or arrangements for sensing record carriers by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
H04L 12/66 - Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
A method of establishing a location beacon includes establishing a bi-directional wireless radiofrequency connection between a directed light beacon device and a networked device in communication with a central server; assigning a beacon identification code to the directed light beacon device at the central server; transmitting the beacon identification code to the directed light beacon device through the bi-directional wireless radiofrequency connection; and transmitting the beacon identification code in a directed light beacon signal from the directed light beacon device.
H04W 4/18 - Information format or content conversion, e.g. adaptation by the network of the transmitted or received information for the purpose of wireless delivery to users or terminals
G06K 7/10 - Methods or arrangements for sensing record carriers by electromagnetic radiation, e.g. optical sensingMethods or arrangements for sensing record carriers by corpuscular radiation
H04W 4/80 - Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
G01S 1/70 - Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmittersReceivers co-operating therewith using electromagnetic waves other than radio waves
H05K 7/14 - Mounting supporting structure in casing or on frame or rack
14.
Systems and methods for locating rack-based assets
A system includes a central server; a reader in communication with the central server; and a set of equipment racks. Each equipment rack of the set of equipment racks defines a face. The each equipment rack includes an observer device and at least two antenna arrays. At least one of the at least two antennas is in communication with the observer device. The system further including a set of tags attached to assets disposed within the set of equipment racks. Each tag of the set of tags is to transmit a beacon signal including a tag identifier of the each tag. The at least one antenna is to receive the beacon signal. The observer device is to communicate the tag identifier and the characteristics of the beacon signal to the reader and central server. The central server determines a rack location based on the characteristics of the beacon signal.
H01Q 1/24 - SupportsMounting means by structural association with other equipment or articles with receiving set
H01Q 1/22 - SupportsMounting means by structural association with other equipment or articles
G06K 7/10 - Methods or arrangements for sensing record carriers by electromagnetic radiation, e.g. optical sensingMethods or arrangements for sensing record carriers by corpuscular radiation
H01Q 3/26 - Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elementsArrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the distribution of energy across a radiating aperture
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
G01S 13/74 - Systems using reradiation of radio waves, e.g. secondary radar systemsAnalogous systems
G01S 13/76 - Systems using reradiation of radio waves, e.g. secondary radar systemsAnalogous systems wherein pulse-type signals are transmitted
G01S 13/87 - Combinations of radar systems, e.g. primary radar and secondary radar
G06Q 10/08 - Logistics, e.g. warehousing, loading or distributionInventory or stock management
15.
SYSTEMS AND METHODS FOR LOCATING RACK-BASED ASSETS
A system (100) includes a central server (116); a reader (114) in communication with the central server; and a set of equipment racks (102). Each equipment rack of the set of equipment racks defines a face. The each equipment rack includes an observer device and at least two antenna arrays (104, 106). At least one of the at least two antennas is in communication with the observer device. The system further including a set of tags (110) attached to assets (108) disposed within the set of equipment racks. Each tag of the set of tags is to transmit a beacon signal including a tag identifier of the each tag. The at least one antenna is to receive the beacon signal. The observer device is to communicate the tag identifier and the characteristics of the beacon signal to the reader and central server. The central server determines a rack location based on the characteristics of the beacon signal.
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
G01S 13/74 - Systems using reradiation of radio waves, e.g. secondary radar systemsAnalogous systems
G01S 13/76 - Systems using reradiation of radio waves, e.g. secondary radar systemsAnalogous systems wherein pulse-type signals are transmitted
G01S 13/87 - Combinations of radar systems, e.g. primary radar and secondary radar
G06Q 10/08 - Logistics, e.g. warehousing, loading or distributionInventory or stock management
H05K 7/14 - Mounting supporting structure in casing or on frame or rack
A method of establishing a location beacon includes establishing a bi-directional wireless radiofrequency connection between a directed light beacon device and a networked device in communication with a central server; assigning a beacon identification code to the directed light beacon device at the central server; transmitting the beacon identification code to the directed light beacon device through the bi-directional wireless radiofrequency connection; and transmitting the beacon identification code in a directed light beacon signal from the directed light beacon device.
G01S 1/70 - Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmittersReceivers co-operating therewith using electromagnetic waves other than radio waves
H05K 7/14 - Mounting supporting structure in casing or on frame or rack
A monitoring system can receive sensor measurements from a select sensor of a group of sensors. The sensor measurements are compared to group alert condition or an individual alert condition. Based on the comparison, an alert state can be identified and a user notified of the alert state. The system can automatically determine the individual alert condition, which can be uniquely associated with the select sensor and can be associated with a domain of time.
G08B 19/00 - Alarms responsive to two or more different undesired or abnormal conditions, e.g. burglary and fire, abnormal temperature and abnormal rate of flow
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
09 - Scientific and electric apparatus and instruments
Goods & Services
Computer software and hardware for management of data center infrastructure, IT assets, power and cooling systems, personnel and other data center systems
09 - Scientific and electric apparatus and instruments
Goods & Services
Computer software and hardware for management of data center infrastructure, IT assets, power and cooling systems, personnel and other data center systems
09 - Scientific and electric apparatus and instruments
Goods & Services
Computer hardware and software systems for data center management, asset tracking, and radio frequency identification; computer hardware and software systems for asset tracking and environmental sensing within a data center
09 - Scientific and electric apparatus and instruments
Goods & Services
Computer hardware and software systems for data center management, asset tracking, and radio frequency identification; computer hardware and software systems for asset tracking and environmental sensing within a data center
A system includes a beacon device including a communication strip having a plurality of directed light emitters distributed along the communication strip. The beacon device can transmit a directed light signal via the directed light emitters. The system further includes a tag including a processor, a radio frequency transmitter coupled to the processor, a directed light receiver coupled to the processor, and a lens having first and second major surfaces and a side surface, the tag to receive the directed light signal via the side surface and to transmit a radio frequency tag message via the radio frequency transmitter. The system also includes a radio frequency reader to receive the radio frequency tag message.
G06K 19/07 - Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards with integrated circuit chips
G06K 7/10 - Methods or arrangements for sensing record carriers by electromagnetic radiation, e.g. optical sensingMethods or arrangements for sensing record carriers by corpuscular radiation
A beacon device includes a control circuitry, a window, and a plurality of sets of illumination sources. The window includes a prismatic structure forming a ring from a planar perspective. The prismatic structure defines an inside surface and an outside surface from the planar perspective. The plurality of sets of illumination sources are coupled to the control circuitry. Each set of illumination sources includes a first illumination source disposed proximal to the inside surface of the prismatic structure and includes a second illumination source disposed proximal to the outside surface of the prismatic structure. The control circuitry is to illuminate a first set of the plurality of sets of illumination sources to transmit a signal in a first direction.
H04Q 1/30 - Signalling arrangementsManipulation of signalling currents
G08B 5/36 - Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmissionVisible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electromagnetic transmission using visible light sources
G01S 1/70 - Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmittersReceivers co-operating therewith using electromagnetic waves other than radio waves
A system including a detector, a reader, and a tag. The detector includes a sensor to detect a user event, and a communication circuitry to communicate at a first frequency band. The reader includes communication circuitry to communicate at a second frequency band. The tag includes a first communication circuitry to communicate at the first frequency band and a second communication circuitry to communicate at the second frequency band. The detector is to communicate with the tag via the communication circuitry of the detector. The detector is to determine whether to associate the tag with the user event. The detector is to communicate the determined association. The tag is to communicate using the second communication circuitry of the tag with the reader.
A system including a detector, a reader, and a tag. The detector includes a sensor to detect a user event, and a communication circuitry to communicate at a first frequency band. The reader includes communication circuitry to communicate at a second frequency band. The tag includes a first communication circuitry to communicate at the first frequency band and a second communication circuitry to communicate at the second frequency band. The detector is to communicate with the tag via the communication circuitry of the detector. The detector is to determine whether to associate the tag with the user event. The detector is to communicate the determined association. The tag is to communicate using the second communication circuitry of the tag with the reader.
G08B 1/08 - Systems for signalling characterised solely by the form of transmission of the signal using electric transmission
G06K 7/10 - Methods or arrangements for sensing record carriers by electromagnetic radiation, e.g. optical sensingMethods or arrangements for sensing record carriers by corpuscular radiation
G06K 19/07 - Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards with integrated circuit chips
G08B 25/08 - Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using communication transmission lines
G08B 25/10 - Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using wireless transmission systems
G01S 1/70 - Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmittersReceivers co-operating therewith using electromagnetic waves other than radio waves
G01S 13/82 - Systems using reradiation of radio waves, e.g. secondary radar systemsAnalogous systems wherein continuous-type signals are transmitted
G06Q 10/06 - Resources, workflows, human or project managementEnterprise or organisation planningEnterprise or organisation modelling
G08C 23/04 - Non-electric signal transmission systems, e.g. optical systems using light waves, e.g. infrared
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
A beacon device includes a control circuitry, a window, and a plurality of sets of illumination sources. The window includes a prismatic structure forming a ring from a planar perspective. The prismatic structure defines an inside surface and an outside surface from the planar perspective. The plurality of sets of illumination sources are coupled to the control circuitry. Each set of illumination sources includes a first illumination source disposed proximal to the inside surface of the prismatic structure and includes a second illumination source disposed proximal to the outside surface of the prismatic structure. The control circuitry is to illuminate a first set of the plurality of sets of illumination sources to transmit a signal in a first direction.
G01B 11/26 - Measuring arrangements characterised by the use of optical techniques for measuring angles or tapersMeasuring arrangements characterised by the use of optical techniques for testing the alignment of axes
A system includes a beacon device including a communication strip having a plurality of directed light emitters distributed along the communication strip. The beacon device can transmit a directed light signal via the directed light emitters. The system further includes a tag including a processor, a radio frequency transmitter coupled to the processor, a directed light receiver coupled to the processor, and a lens having first and second major surfaces and a side surface, the tag to receive the directed light signal via the side surface and to transmit a radio frequency tag message via the radio frequency transmitter. The system also includes a radio frequency reader to receive the radio frequency tag message.
H04B 7/00 - Radio transmission systems, i.e. using radiation field
G06K 7/00 - Methods or arrangements for sensing record carriers
G06K 7/10 - Methods or arrangements for sensing record carriers by electromagnetic radiation, e.g. optical sensingMethods or arrangements for sensing record carriers by corpuscular radiation
G06K 19/07 - Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards with integrated circuit chips
A plurality of tags communicates a plurality of messages to a reader device. A message collector at the reader device collects at least a subset of the received messages, and provides the collected messages to a set of logical readers. The message collector and the logical readers filter the collected messages based on configuration information provided by an associated application, and provide tag event information to the application based on the filtered messages. The reader device can be configured based on customized configuration information, so that the tag event information provided to an application is customized for that application.
G06K 17/00 - Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups , e.g. automatic card files incorporating conveying and reading operations
G06K 19/07 - Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards with integrated circuit chips
A system includes a beacon device including a communication strip having a plurality of directed light emitters distributed along the communication strip. The beacon device can transmit a directed light signal via the directed light emitters. The system further includes a tag including a processor, a radio frequency transmitter coupled to the processor, a directed light receiver coupled to the processor, and a lens having first and second major surfaces and a side surface, the tag to receive the directed light signal via the side surface and to transmit a radio frequency tag message via the radio frequency transmitter. The system also includes a radio frequency reader to receive the radio frequency tag message.
G06K 19/07 - Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards with integrated circuit chips
G06K 7/10 - Methods or arrangements for sensing record carriers by electromagnetic radiation, e.g. optical sensingMethods or arrangements for sensing record carriers by corpuscular radiation
A tag includes a processor, a radio frequency transmitter coupled to the processor, and a capacitively driven communication circuitry coupled to the processor. The processor is to energize the capacitively driven communication circuitry to receive a serial set of binary bits via the capacitively driven communication circuitry.
H04Q 5/22 - Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange with indirect connection, i.e. through subordinate switching centre the subordinate centre not permitting interconnection of subscribers connected thereto
G06K 7/10 - Methods or arrangements for sensing record carriers by electromagnetic radiation, e.g. optical sensingMethods or arrangements for sensing record carriers by corpuscular radiation
A beacon device includes a control circuitry, a window, and a plurality of sets of illumination sources. The window includes a prismatic structure forming a ring from a planar perspective. The prismatic structure defines an inside surface and an outside surface from the planar perspective. The plurality of sets of illumination sources are coupled to the control circuitry. Each set of illumination sources includes a first illumination source disposed proximal to the inside surface of the prismatic structure and includes a second illumination source disposed proximal to the outside surface of the prismatic structure. The control circuitry is to illuminate a first set of the plurality of sets of illumination sources to transmit a signal in a first direction.
G01S 1/08 - Systems for determining direction or position line
G01B 11/26 - Measuring arrangements characterised by the use of optical techniques for measuring angles or tapersMeasuring arrangements characterised by the use of optical techniques for testing the alignment of axes
A beacon device includes a control circuitry, a window, and a plurality of sets of illumination sources. The window includes a prismatic structure forming a ring from a planar perspective. The prismatic structure defines an inside surface and an outside surface from the planar perspective. The plurality of sets of illumination sources are coupled to the control circuitry. Each set of illumination sources includes a first illumination source disposed proximal to the inside surface of the prismatic structure and includes a second illumination source disposed proximal to the outside surface of the prismatic structure. The control circuitry is to illuminate a first set of the plurality of sets of illumination sources to transmit a signal in a first direction.
G01S 1/04 - Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmittersReceivers co-operating therewith using radio waves Details
G08G 1/00 - Traffic control systems for road vehicles
An asset tracking system includes a server, a plurality of readers in communication with the server, and a plurality of radio frequency identification tags. Each of the plurality of readers is coupled to at least two antennas. The at least two antennas receive signals from a plurality of radio frequency identification tags.
A series of radio frequency identification (RFID) systems are delineated. One such RFID system comprises an RFID signpost, and a plurality of infrared transmitters, wherein each infrared transmitter of the plurality of infrared transmitters is arranged to cover, when transmitting, a distinct sector relative to the RFID signpost. Another RFID system comprises an RFID signpost having a transmitter for transmitting signals of a predefined type, and a receiver for receiving signals of the predefined type, wherein the transmitter for transmitting signals of the predefined type cannot transmit until a determination is made that the predefined type of signal is not present at the receiver. Still another RFID system comprises an RFID signpost including a transmitter having a continuous power dissipation rating, and a processor for controlling the transmitter such that peak pulse power of a transmission from the transmitter multiplied by its duty cycle does not exceed the continuous power dissipation rating for the transmitter.
09 - Scientific and electric apparatus and instruments
Goods & Services
Computer hardware, circuit assemblies, integrated circuits, namely for controlling receivers, transmitters, interrogators, readers, transponders, and tags all in the field of item tracking, item identification, document tracking, document identification, inventory management, the exchange of information to and from a customer database, and the exchange of information to and from a general database; computer software for item tracking, item identification, document tracking, document identification, inventory management, the exchange of information to and from a customer database, and the exchange of information to and from a general database; computer software for use in the field of wireless data communication; computer software for controlling receivers, transmitters, interrogators, readers, transponders, and tags
