A method, system and computer program product for inhibiting detection of deactivated tags. The method, system and computer program product include receiving a signal that includes environment noise from at least one tag, extracting signal detection information that includes a signal detection energy value at a detection frequency from the received signal, extracting signal deactivation information that includes a signal deactivation energy value at a deactivation frequency from the received signal, and determining a failure to deactivate ratio that corresponds to the signal detection energy value divided by the signal deactivation energy value. Generation of an alarm event is inhibited upon the failure to deactivate ratio being less than a selectable threshold. A noise factor is measured to adjust a selectable threshold.
An electronic circuit, apparatus and method for detecting and deactivating electronic article surveillance ('EAS') tags, in which a coil induces a current when subject to an electromagnetic field and also is used to transmit an electromagnetic tag signal. A tuning capacitor is in electrical communication with the coil. The tuning capacitor and the coil establish a resonance for the transmission of the electromagnetic tag signal. A storage capacitor is in electrical communication with the coil. The storage capacitor receives the induced current from the coil. The electronic circuit, apparatus and method can also include a first diode for rectifying the induced current from the coil and a processor for determining an EAS tag status.
A theft deterrent device (10) to be secured to. an article includes an EAS tag body (20) which has an opening (25) adapted to receive a portion of an attachment element, such as a tack or pin. An attachment element comprises flexible cable or lanyard (15) having a first end and a second end, the second end terminating in a loop (30), and the first end having a tack head (22) and pin (24) attached thereto for locking insertion into the EAS tag body. In use, the first end can be threaded through the loop to engage an article to be secured, and then inserted into the opening in the EAS tag body for locked engagement. The flexible cable can be flexible twisted multi-fiber steel wire. In another embodiment, a lanyard is fixedly attached to an EAS tag body, with the free distal end of the lanyard terminating in a pin for. insertion into EAS tag body.
A method and system detects potential suspicious behavior in a monitored facility. The monitored facility includes at least one point of transaction terminal. Video content of an activity occurring at the monitored facility and transaction data relating to a transaction processed at the transaction terminal are collected. The video content is correlated with the transaction data to produce correlated data. A set of user-defined rules are applied to the correlated data. Responsive to identifying a match between the correlated data and at least one rule of the set of user-defined rules, the transaction is determined to be potentially suspicious.
A method, system and apparatus for managing power use in security systems, which include establishing a detection region, triggering a person detection event, the person detection event based on the detection of a person in the detection region, starting a timer upon triggering the person detection event, and transmitting a tag interrogation signal until the expiration of the timer. The method, system and apparatus can further include determining a relative direction of movement of the person.
UNIVERSITY OF CENTRAL FLORIDA RESEARCH FOUNDATION, INC. (USA)
Inventor
Lian, Ming-Ren
Coffey, Kevin R.
Abstract
A conduction structure for infrared microbolometer sensors and a method for sensing electromagnetic radiation may be provided. The microbolometer may include a first conductor layer (64) and a second conductor layer (68). The microbolometer further may include a bolometer layer (62) between the first conductor layer and the second conductor layer.
G01J 5/20 - Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors using resistors, thermistors or semiconductors sensitive to radiation, e.g. photoconductive devices
7.
METHOD AND SYSTEM FOR REDUCTION OF ELECTRONIC ARTICLE SURVEILLANCE SYSTEM FALSE ALARMS
A method and system for generating alarms in a security system that include establishing a detection region, detecting a first event where the first event is one of (a) detecting a tag in the detection region and (b) detecting a person in the detection region, starting a timer upon detecting the first event, detecting a second event where the second event is the other one of (a) detecting a tag in the detection region and (b) detecting a person in the detection region and enabling an alarm output when the second event is detected prior to expiration of the timer. The method and system for generating alarms in a security system can further include setting a first event flag upon detecting the first event where the first event flag corresponds to the first event and setting a second event flag upon detecting the second event where the second event flag corresponds to the second event.
An adaptive security device includes a tag module and a processor module. The processor module contains a tag disable electronic circuit and a controller. The controller provides tag control commands to the tag disable electronic circuit. The tag disable electronic circuit selectively enables or disables the tag module based on the tag control command. In one embodiment, the tag module is an electronic article surveillance ('EAS') tag module.
A theft-deterrent device (10) for application to an article to be protected includes first (20) and second (30) components adapted for locking engagement to secure the article therebetween, with a fragile vile (60) disposed within the first component containing a detrimental substance which would damage the article in the event the vial is fractured. A pin (15) protruding from the first component has a first end secured to the vial using a suitable attachment structure. The attachment structure provides an aperture which surrounds a portion of the 'vial in a closely engaged arrangement, and also serves to rupture the vial and release the detrimental substance if unauthorized removal is attempted. The pin and the attachment structure can be integrally formed, or alternatively the attachment structure can be formed as a separate piece and attached to the pin.
A radio frequency identification (RFID) system for item level inventory and a method for performing an RFID item level inventory may be provided. The method may include selectively controlling with an RF signal each of a plurality of multiplexers connected to a plurality of local antennas and selectively enabling with an RF signal the plurality of local antennas using the plurality of multiplexers to perform RFID interrogation on a plurality of RFID tags. The method further may include acquiring inventory information based on the RFID interrogation.
The present invention provides a method and system that improve the low-speed control stability of a video camera assembly, including a video camera, a tilt motor operable to tilt the video camera and a pan motor operable to pan the video camera. A first encoder is coupled to one of the tilt motor and pan motor. The first encoder outputs a plurality of signals having corresponding signal edges, based on a rotation speed of the one of the tilt motor and pan motor. A first controller is in electrical communication with the first encoder. The first controller determines a speed of the one of the tilt motor and pan motor at least in part by correlating a time period between detection of the first edge and detection of the second edge to the speed of the at least one tilt motor and pan motor.
G05B 6/02 - Internal feedback arrangements for obtaining particular characteristics, e.g. proportional, integral or differential electric
G05B 19/418 - Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
G05B 19/23 - Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by positioning or contouring control systems, e.g. to control position from one programmed point to another or to control movement along a programmed continuous path using an incremental digital measuring device for point-to-point control
G08B 13/196 - 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 using television cameras
12.
METHOD AND APPARATUS FOR VIDEO SURVEILLANCE SYSTEM FIELD ALIGNMENT
The present invention provides a video surveillance apparatus and method of operation for a system having at least one predefined setting. A first parameter corresponding to an alignment of a video camera assembly with a visual target is stored. A second parameter corresponding to the alignment of a modified video camera assembly with the visual target is obtained. A difference between the first and second parameters is determined. The difference is applied to at least one of the predefined settings.
The present invention provides a video surveillance system, having a video camera; a motor operable to move the video camera; and a processor monitoring a value of a signal provided to the motor, the processor terminating the signal to the motor when the monitored signal value exceeds a predetermined value for a predetermined period of time. A network may be coupled to the processor for communication of the signal termination. The processor may reinitiate a signal transmission to the motor sufficient to maintain a position of the motor after a predetermined period of time, and the processor may monitor the signal transmission and adjust at least one of a zoom setting and focus setting of the video camera based at least in part on the monitored signal.
H02H 7/085 - 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 dynamo-electric motors against excessive load
G08B 13/196 - 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 using television cameras
14.
VIDEO SURVEILLANCE SYSTEM HAVING COMMUNICATION ACKNOWLEDGEMENT NOD
The present invention provides a system and method for controlling a motor in a video surveillance system including a video camera, a tilt motor operable to move the video camera in a tilt direction, a pan motor operable to move the video camera in a pan direction, and a controller in electrical communication with the tilt and pan motors. The controller assesses an operational condition of the video surveillance system and, if the assessment is successful, actuates at least one of the tilt motor and pan motor to move the video camera along a first predetermined motion pattern. In addition, if the assessment is unsuccessful, the controller actuates at least one of the tilt motor and pan motor to move the video camera along a second predetermined motion pattern.
G08B 13/196 - 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 using television cameras
15.
ELECTRONIC ARTICLE SURVEILLANCE SYSTEM SYNCHRONIZATION USING GLOBAL POSITIONING SATELLITE SIGNAL
A method and system for synchronizing the operation of a plurality of electronic article surveillance ('EAS') units that includes receiving a global positioning satellite reference signal, generating a synchronization master signal using the global positioning satellite reference signal and transmitting the master synchronization signal to the plurality of EAS units. The method and system can further include a secondary synchronization master, which is configurable to relay the master synchronization signal.
A method and system for exchanging data between one or more RFID readers and one or more EAS system devices in an RFID system using RFID air interface protocol. An RFID system includes one or more EAS system devices in data communication with one or more RFID readers over an interrogation zone. EAS system devices utilize RFID air interface protocol to transmit wireless data signals, which may include alarm event data, to the RFID readers, obviating the need to implement a separate communication infrastructure. The RFID readers may forward the alarm event data to an RFID backscatter enabled, host computer for processing the received signals. The host computer may then schedule further interrogation of inventory items at locations where an alarm event has occurred. One or more multiplexers may facilitate the data exchange between RFID readers and the EAS system devices in order to provide an even more robust communication network.
A radio frequency identification (RFID) system (100) and method for communication with at least one radio engine module (102) ('REM'). The system and method including at least one radio engine module (102), where the at least one radio engine module has a signal generator (120) for synthesizing radio frequency signals to be transmitted to one or more remote communication devices (110) and a receiver (124B) for receiving radio frequency signals transmitted by one or more remote communication devices. The RFID system and method further include a controller (108) that is separate from and in communication with the at least one radio engine module, which manages the transmission of information with the at least one radio engine module (102).
G06K 7/00 - Methods or arrangements for sensing record carriers
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
G07C 9/00 - Individual registration on entry or exit
A radio frequency identification (RFID) method, reader and circuit for generating RFID command signals. The reader and circuit include at least one command register, the at least one command register storing at least one command bit, the at least one command register storing at least one command bit, the at least one command bit corresponding to a portion of a command to be transmitted to at least one remote communication device, at least one table, the at least one table storing wave-shaping transition values for shaping the at least one command bit prior to transmission, and at least one control register, the at least one control register storing at least one configuration value.
A method, system and apparatus for generating a cancellation signal in a RFID reader to isolate a transmit section and a receive section of a RFID reader, where the RFID reader generates a local reference signal from a broadcast transmit signal, receives a receive signal from a remote device, determines at least one correction factor, e.g., an amplitude correction factor, to generate a cancellation signal. The method, system and apparatus can further include combining a cancellation signal and a receive signal to minimize or cancel out interference and noise on the receive signal.
G06K 7/00 - Methods or arrangements for sensing record carriers
H04B 1/525 - Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa with means for reducing leakage of transmitter signal into the receiver
20.
RADIO FREQUENCY ANALYZER/DIAGNOSTIC TOOL AND METHOD
A method, device and system for radio frequency identification ('RFID') performance analysis. An analyzer for analyzing the performance of an RFID reader is provided. The analyzer has an interface in communication with the reader. A processor is in communication with the interface. The processor operates to use the interface to monitor communication with the reader and/or simulate one or more RFID tags. A method, device and system for radio frequency identification ('RFID') performance analysis. An analyzer for analyzing the performance of an RFID reader is provided. The analyzer has an interface in communication with the reader. A processor is in communication with the interface. The processor operates to use the interface to monitor communication with the reader and/or simulate one or more RFID tags.
A method and system for exchanging data between one or more RFID readers and one or more non-tag devices in an RFID system using RFID air interface protocol. An RFID system includes one or more non-tag devices in data communication with one or more RFID readers over an interrogation zone. Non-tag devices utilize RFID air interface protocol to transmit and receive wireless data signals to and from the RFID readers, obviating the need to implement a separate communication infrastructure. The RFID readers may forward the data to an RFID backscatter enabled host computer for processing the received signals. Non-tag devices acting as readpoints communicate with other non-tag devices to establish a parent/child readpoint hierarchy. One or more multiplexers may facilitate the data exchange between RFID readers and the non-tag devices in order to provide an even more robust communication network.
A method and system for processing radio frequency identification ('RFID') communication device data, the method and system including measuring an energy level of a RFID signal received on a first communication channel, measuring an energy level of the RFID signal received on a second communication channel, selecting the communication channel with the greater energy level, and acquiring data samples from the RFID signal received on the selected channel. The method and system for processing RFID communication device data can further include generating a preamble from a series of the acquired data samples.
A method, system and computer program product for filtering a RFID signal. At least one pre-operational interference signal is measured. Amplitude and frequency data are extracted from the at least one measured pre-operational interference signal. At least one filter-dependent parameter is computed based at least in part on the extracted amplitude and frequency data extracted from the measured at least one pre-operational interference signal. A table is generated during a pre-operational mode. The table has at least one set of filter coefficients based on the computed at least one filter-dependent parameter.
A method and system for determining the absence and presence of items in an RFlD interrogation zone. At least one RFID reader transmits interrogation signals in an interrogation zone. Each RFID reader transmits interrogation signals having a forward amount of RF energy and receives response signals from the items in the interrogation zone having a reflected amount of RF energy. A detection circuit determines the presence and absence of items within the interrogation zone based at least in part on the reflected amount of RF energy.
An event management system, comprising a server comprising a platform component architecture (PCA) and a software engine, wherein the PCA is configured to provide runtime discovery and display of system components. The system also comprises a data source for storing user define data objects and applications; at least one system component; and at least one client for administering and monitoring user-defined events, wherein the PCA provides a common interface between the server, the data source, and the at least one client.
A radio frequency identification (RFID) system for item level inventory may be provided. The RFID system may include an RFID interrogator, at least one interrogator antenna and at least one local antenna configured to communicate with RFID tags. The RFID system further may include a multiplexer connected to the at least one local antenna and configured to receive power from an RF signal generated by the RFID interrogator and transmitted wirelessly from the interrogator antenna.
H04B 5/02 - Near-field transmission systems, e.g. inductive loop type using transceiver
G06K 7/00 - Methods or arrangements for sensing record carriers
H01Q 1/22 - SupportsMounting means by structural association with other equipment or articles
G06K 7/08 - Methods or arrangements for sensing record carriers by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes
27.
RADIO FREQUENCY IDENTIFICATION SYSTEM WITH DOPPLER DETECTOR
A system and method for a radio frequency identification (RFID) reader for use in an RFID detection system. The reader has an RF source for generating RF signals. An antenna is coupled to the RF source. The antenna transmits interrogation RF signals to one or more RFID markers within an interrogation zone and receives communication signals from one or more items within the interrogation zone. The communication signals include Doppler signals indicating movement of an item within the interrogation zone. A receiver receives the communication signals and motion detection circuitry detects the Doppler signals.
A system, apparatus and method are described for an anti-theft tack having non-snag grooves. The anti-theft tack may be for a security tag, such as an electronic article surveillance security tag. Other embodiments are described and claimed.
An electronic article surveillance security tag having a magnetically releasable tack retaining system, and. a magnetic detaching device for use wit the electronic article surveillance tag. The tag comprises a housing (114,116) holding a tack retaining system including a wedge (1202R) and a biasing member (1302).
Embodiments of the invention provide a method, system and apparatus for detecting a merchandise marker in which a first antenna has a circuit having a first loop defining a first area and a second loop defining a second area substantially coplanar with the first area. A second antenna is substantially coplanar and orthogonally positioned with respect to the first antenna. The second antenna has a circuit having a third loop defining a third area and a fourth loop defining a fourth area substantially coplanar with the third area.
A system and method for controlling door-mounted or door-embedded antennas. An antenna, for example, an EAS or an RF antenna, sends interrogation signals which are received by markers located on merchandise within a range of detection, i.e., an 'interrogation zone'. Antennas that are mounted on or embedded in a door move along with the motion of the door. Thus, the interrogation zone covered by the antenna's magnetic field is continually changing with the movement of the door. The system and method of the present invention control door-mounted antennas by monitoring the motion of the door upon which the antenna is mounted, and by adjusting the size and breadth of the interrogation zone generated by the antenna accordingly. A processor within a control unit receives positional signals from a position sensor mounted on the moving door, determines whether the interrogation zone should be increased, decreased, shut off, or maintained, and transmits signals to the antenna or to an alarm device, the signal containing interrogation zone modification instructions.
A controller for a video matrix switching system may include at least a first multiple purpose unit (MPU) module configured to provide video and control for a multi-camera video CCTV system, and at least a first port module connectable to the MPU module and having driver electronics for a set of interface ports. In some, but not necessarily all embodiments, the interface ports may include both a plurality of communications ports and one or more data line ports. Also, the MPU module may include a watchdog module configured to present an interface that monitors specified tasks and takes action when any of the specified tasks time out.
An antenna assembly is capable of being installed in a structure wherein the structure includes a covering and a substructure and the antenna assembly is configured with thin film materials to have a total thickness such that the antenna assembly can be disposed between the substructure and the covering. The antenna assembly may have a total thickness not greater than about 15 millimeters (mm), and may include at least one of a transmitter antenna, a transceiver antenna, and a receiver antenna. The receiver antenna may be configured as an air core antenna or a non-air core antenna. The receiver antenna may be configured as a non-air core receiver antenna in an internal compartment over or within a base insulating layer. The antenna assembly may be at least partially housed within a housing assembly of thin film materials so that both can be disposed between the substructure and the covering.
H01Q 7/00 - Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
H01Q 1/40 - Radiating elements coated with, or embedded in, protective material
H01Q 7/06 - Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop with core of ferromagnetic material
34.
MAGNETOMECHANICAL TAG USED IN ELECTRONIC ARTICLE SURVEILLANCE AND METHOD OF MANUFACTURING A MAGNETOMECHANICAL TAG
A magnetoniechanical tag for use in an electronic article surveillance (EAS) system and a method of manufacturing the magnetomechanical tag may be provided. The EAS may include at least one resonator, a housing configured to allow vibration therein of the at least one resonator and a cover heat sealed to the housing at a heat sealing temperature. The EAS tag further may include a powder lubricant within the housing. The powder lubricant may have a melting temperature less the heat sealing temperature.
A self-contained, integrated mobile readpoint unit capable of reading at least one electronic tag that includes a housing, a power source located proximate the housing, at least one reader located proximate the housing that is capable of reading from and writing to the at least one tag and receives power from the power source, and a repositionable antenna structure that includes at least one readpoint antenna capable of communicating a signal to and from the electronic tag.
G06K 7/08 - Methods or arrangements for sensing record carriers by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes
A door (10, 12, 14) and method of constructing a door whereby antenna coils (18) are routed through channels (16, 24) that are incorporated within the frame (22) of the door, and completely or partially hidden from sight. The door includes channels (16) and or troughs (24) that are sized to retain at least a portion of the antenna (18) therein. The door (10, 12, 14) can be purchased with the antenna wires (18) already embedded therein and hidden from sight and installed at a facility without the need to mount the antenna wires on a pedestal or dig up floors and/or walls to embed the antenna coils. Existing doors can be retrofitted to install the antenna wires. Such antennas (18) may be used, for example, in an RFID marker system or a magneto-acoustic EAS marker system.
G06K 19/077 - Constructional details, e.g. mounting of circuits in the carrier
H01Q 1/14 - SupportsMounting means for wire or other non-rigid radiating elements
H01Q 1/40 - Radiating elements coated with, or embedded in, protective material
H01Q 1/44 - Details of, or arrangements associated with, antennas using equipment having another main function to serve additionally as an antenna
H01Q 7/00 - Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
H01Q 1/22 - SupportsMounting means by structural association with other equipment or articles
A collector cover for electric rail applications is provided which forms a complete assembly for capturing dust particles generated by electric rail systems. The cover includes complementary portions that are connected together to form a dust collecting device. The collector cover may include first and second side members which may be configured to form at least one cavity to receive therein particles from the collector. In one embodiment, the first and second side members can each include a recess forming a cavity when engaging the collector.
A system and method for providing wireless synchronized operation of electronic article surveillance (EAS) systems are provided. The method may include communicating wirelessly between each of a plurality of controllers connected to a plurality of detectors of the plurality of EAS systems and receiving with a communications receiver of each of the controllers wireless communications from at least some of the other plurality of controllers. The communications receiver may be separate from a tag detection receiver.
A resonant circuit tuning system and a method for tuning are provided. The resonant circuit tuning system may include a resonant circuit having a first capacitive element in series between a transmitter and an antenna coil and a second capacitive element in parallel with the transmitter and the antenna coil. At least one of the first capacitive element and second capacitive element may be configured to be varied. The resonant circuit tuning system also may include a controller for controlling a variable value of at least one of the first and second capacitive elements.
A resonant circuit tuning system and a method for tuning are provided. The resonant circuit tuning system may include an LCR circuit and a reactive element magnetically coupled to the LCR circuit.
The invention may include a novel composition for and/or processing of an active element for an EAS marker that achieves the same or better performance of existing materials while solving the problem of higher cost. It may include a magnetomechanical active element formed by planar strip of amorphous magnetostrictive alloy having a composition FeaNibMc wherein a+b+c = 100, wherein a is in a range of 40-70 weight percent, b is in a range of 10-50 weight percent, and c is in a range of 10-50 weight percent, and where M is the balance of remaining elements; wherein the magnetomechanical active element is subject to batch annealing in the presence of a magnetic field that is substantially transverse to the ribbon length of the element and at a temperature of less than about 300° C. and for a time greater than at least about one hour.
An electric motor, system and method for activating and deactivating an EAS article is disclosed. The electric motor has a stationary electromagnet having a center. The electric motor further has a platform located parallel to the electromagnet, wherein the platform rotates about a center concentric with the center of the electromagnet. The electric motor further has a first magnet with a first polarity located on the platform and a second magnet with a second polarity located on the platform radially opposite to the first magnet. The electric motor further has a commutator for periodically reversing current supplied to the electromagnet so as to produce a first magnetic field that interacts with the first and the second magnet and causes the platform to spin about its center. When the platform rotates, a second magnetic field for one of activation and deactivation of an EAS article is produced by the first and the second magnet.
An electronic article surveillance antenna system with wide interrogation zones has a number of core transceiver antennas with each connectable to a transmitter. The core transceiver antennas are adapted to be installed adjacent a ceiling of the wide interrogation zone and generate an interrogation signal into the wide interrogation zone. The core transceiver antennas each are connectable to a receiver to receive and detect a response signal from an electronic surveillance marker disposed in the wide interrogation zone. The system also has transceiver antenna coils with each connectable to the transmitter and adapted to be installed adjacent a floor of the wide interrogation zone. The transceiver antenna coils generate the interrogation signal into the wide interrogation zone and each is also connectable to the receiver to receive and detect the response signal from the electronic surveillance marker disposed in the wide interrogation zone.
A radiofrequency identification (RFID) multiplexer, which may be in a network, interprets an RF signal from an RFED reader as RFE) tag interrogation data. A single cable directs an RF signal from the RFID reader and RF control signals and/or RF power through the multiplexer. An RF sampler may be coupled to the cable; and an RF detector detects the RF signal from the cable via the RF sampler. A data decoder decodes and interprets the RF signal as the RFID tag interrogation data and forwards the RFID tag interrogation data to a control logic circuit as a MUX channel-change command. The logic circuit and decoder may be combined in a microcontroller, and an RF backscatter modulator coupled to the cable enables reverse communication with the RFID reader to determine whether another RFID multiplexer is coupled to the RFID multiplexer.
An EAS/expulsion detrimental substance tag (101) in which the tag is held to an article by an attaching assembly, a part of which may be releasably prevented from being withdrawn from the body of the tag. The tag body may be provided with one or more sensors, that are disposed in the body. The sensors are positioned adjacent the detrimental substance. The Benefit Denial (Ink portion) of this tag may feature an ink vial. When the tag and its ink vial are attacked, the tag will expel the detrimental substance out and onto the article being protected.
An EAS /expulsion detrimental substance tag (1) in which the tag is held to an article by an attaching assembly, a part of which may be releasably prevented from being withdrawn from the body of the tag. The tag body may be provided with an arcuate channel through which an arcuate detacher probe can be guided for releasing the attaching assembly part. A spring clamp (S) may provide the releasable preventing function and may include jaws specifically adapted to respond to in-plane torsional and/or other forces provided by the arcuate probe, which may be moved through the arcuate channel by rotation to reach the spring clamp. An abutment may be placed within the arcuate channel to prevent a relatively rigid wire formed into an arcuate shape from being used to release the attaching assembly part. The Benefit Denial (Ink portion) of this tag may feature an ink vial (72B) that may be disposed inside of a rubber bladder, which may then be placed in a completely sealed, ultrasonically welded compartment.
A system and method for transferring power using a data communications signal line. The data communications signal line is in a high impedance powerless state when idle. A main device is electrically coupled to the data communications signal line. The main device generates and transmits a signal on the data communications signal line. The signal includes power generation and non-power generation characters. A peripheral device is electrically coupled to the data communications signal line. The peripheral device has a functional unit arranged to perform a desired function for the peripheral device. A power conversion module is electrically coupled to the data communications- signal line and receives the signal. The power conversion module converts power from the received signal to a form suitable for storage. A controller is in electrical communication with the functional unit and the power conversion module. The controller receives the power generation and non-power generation characters, strips the power generation characters from the signal and transmits the non-power generation characters to the functional unit.
Various embodiments of a magnetic detacher with open access are described. In one embodiment, the magnetic detacher may include a magnet assembly to provide open access to a hard tag and a magnetic field sufficient to disengage a clamping mechanism of the hard tag.
A system and method for providing synchronized transmission in an electronic article surveillance (EAS) system is provided. The method includes determining a transmission timing difference between a plurality of units of the EAS system using a communication link of the EAS system and synchronizing transmissions for each of the plurality of units based on the transmission timing difference.
SENSORMATIC ELECTRONICS CORPORATION (A NEVADA CORPORATION) (USA)
Inventor
Romer, Kevin
Watkins, Harry
Abstract
A method according to one embodiment may include detecting an activated electronic article surveillance (EAS) tag in an interrogation zone, and reading at least one radio frequency identification (RFID) tag in response to the detecting of the activated EAS tag in the interrogation zone to investigate a cause of the EAS tag in said interrogation zone. A method according to another embodiment may include detecting a condition representative of an activated RFID tag in a controlled area, and taking corrective action to prevent removal of the activated RFID tag from the controlled area.
patents
