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6650226 |
Detection, by an electromagnetic transponder reader, of the distance separating it from a transponder
A terminal for generating an electromagnetic field adapted to cooperate with at least one transponder when the transponder enters the electromagnetic field, the terminal including circuitry for...
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6646552 |
Glove with a contactless data carrier
A data carrier for contactless control of persons upon utilization of a service in skiing areas, which has a chip ( 4 ) with an antenna ( 5 ), is disposed in a glove ( 1 ).
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6628237 |
Remote communication using slot antenna
A wireless communication device and method for identifying a container or communication information about a container using a slot in the container as an antenna. The device includes a wireless...
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6621467 |
Energy transfer in an electronic identification system
A radio frequency transponder assembly comprises a passive transponder and an antenna with a matching circuit comprising an inductor and a capacitor which are formed integrally with the antenna...
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6621410 |
System for item and orientation identification
A system includes an identification circuit, a grid antenna, a receiver, and a processor. The identification circuit includes resonant circuits formed on a substrate within a perimeter....
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6621417 |
Passive RFID transponder/reader system and method for hidden obstacle detection and avoidance
A system designed to detect and identify fixed utility objects, such as telephone pedestals, power transformers, man-holes, anchor cables, and the like, that are hidden by heavy overgrowth of...
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6618022 |
Radio frequency powered switch
A self contained radio frequency identification integrated circuit (RFIDIC) switch. The RFIDIC switch includes a switch housing, a radio frequency identification integrated circuit enclosed in the...
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6611199 |
Capacitively powered portable communication device and associated exciter/reader and related method
A portable communication device uses a first electrostatic antenna element and a second electrostatic antenna element and circuitry which is coupled to the first antenna element and to the second...
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6600420 |
Application for a radio frequency identification system
Antenna shelf tape is disclosed for use with items having radio frequency identification elements or tags associated with items of interest.
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6593853 |
RFID label printing system
A radio frequency identification device (RFID) label printing system which includes a printer for printing on a label having RFID circuitry. The printer includes a label exit for expelling a...
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6590498 |
Method and apparatus for improving the interrogation range of an RF-Tag
A method for increasing the interrogation range of an RF Tag in a radio communication system using RF Tags with multiple reflecting antenna elements. The reflecting antenna elements are...
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6580369 |
Electronic tag assembly and method therefor
An electronic tag assembly ( 100 ) includes a substrate ( 102 ) having an antenna pattern ( 104, 106 ) disposed thereon, an integrated circuit die ( 108 ) having electrical interface terminals (...
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6567002 |
Transponder reading transducer to control passages
The invention consists of an elongated three-dimensional transducer ( 1 ), whose length is adequate to cover the areas in which the transponder that needs to be read can be placed, it is equipped...
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6563425 |
RFID passive repeater system and apparatus
A RFID passive repeater system and apparatus comprising a RFID reader having a magnetic flux field, at least one RFID tag and at least one passive repeater member having at least one substantially...
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6556140 |
Proximity transponder system
The invention relates to an operating unit of a proximity transponder system. The unit has a housing of which the walls are formed predominantly of a metallic material, a space being defined in the...
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6549176 |
RFID tag having integral electrical bridge and method of assembling the same
A radio frequency-identification (RFID) tag comprises a substrate, a single, continuous antenna having a plurality of spiral turns and end portions that are integral with the spiral turns, and an...
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6538569 |
Container with sensor
A sealed container is provided with a sensor capable of monitoring the physical and/or chemical condition of materials stored in the container. The sensor may or may not have its own power source....
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6535175 |
Adjustable length antenna system for RF transponders
The present invention provides an RF tag having an antenna that can be selectively tuned to achieve optimal performance. The RF tag comprises an RF transponder integrated circuit and an antenna...
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6518885 |
Ultra-thin outline package for integrated circuit
The present invention is directed to an ultra-thin outline package for integrated circuits that is much smaller than conventional chip packaging structures. The ultra-thin outline package is...
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6518884 |
Electric resonance element, detection apparatus and moving vehicle control system
An electric resonance element includes an electric resonator comprising a coil wound around magnetic materials and a capacitor. The electric resonance element is housed in a vessel made of...
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6509836 |
Smart reflection antenna system and method
A smart reflection antenna system and method are disclosed. In this regard, a representative embodiment of a smart reflection antenna system includes an interrogator transmitter (IT) having an IT...
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6504513 |
Electronic article surveillance antenna coils with variable wind geometry
An EAS antenna having uniform antenna thickness along the antenna height is provided. The antenna is contains at least two overlapping coils where the individual coil cross-sections are variable...
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6496113 |
Radio frequency identification tag on a single layer substrate
A radio frequency identification (RFID) tag on a single layer substrate comprises a semiconductor integrated circuit RFID tag device and antenna circuit. A connection jumper may be used to bridge...
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6496112 |
Radio frequency identification tag with a programmable circuit state
A radio frequency identification tag ( 16 ) includes stored tag information ( 56 ) and at least one antenna element ( 30 ). The tag also includes a programmable tag circuit state that is either...
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6496382 |
Radio frequency identification tag
A radio frequency identification tag is made with printed antenna coil integrated on a flexible substrate, and an integrated circuit area of the substrate adjacent the antenna coil for carrying...
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6486781 |
Equipment label
An equipment label comprising an identity plate bearing information markings and an electronic tag having electrical contacts. The identity plate is provided with means for attachment to an item of...
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6476720 |
Security tag deactivation system
A method for tracking deactivation of security devices being associated with items to be sold, each of the items being associated with a tracking identifier. The method includes determining a...
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6476718 |
Traceable luggage bag and system
An apparatus for the unique and permanent identification of an article of luggage includes a microchip attached to the article of luggage. The microchip contains a unique identification number that...
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6466126 |
Portable data device efficiently utilizing its available power and method thereof
A portable data device ( 400 ) having a power controller ( 430 ), a clock generator ( 428 ) and a digital circuit ( 432 ). The power controller ( 430 ) has an output signal. The output signal is...
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6462661 |
RF ID tag attachment to a disc drive
An apparatus and associated method for attaching an RFID tag to a disc drive housing. An RFID tag attaches to a tag housing that includes a post extending outwardly from the tag housing. A post...
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6445297 |
Modular RFID antenna system
A modular radio frequency identification device (RFID) antenna system including a plurality of modular RFID antenna segments that can be connected in multiple configurations to allow...
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6441740 |
Radio frequency identification transponder having a reflector
An improved radio frequency transponder has a reflector to increase its operative range. A system of one or more reflectors is operatively associated with a transponder and may be formed out of any...
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6437985 |
Disposable electronic chip device and process of manufacture
An electronic chip device includes an interface support film having a support film and at least one flat conductive interface placed on the support film, as well as a microcircuit connected to the...
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6433686 |
Security tag
An anti-theft tag including a body portion having at least a first member for supporting an electronic article surveillance marker, and a second member including an opening for receiving at least a...
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6426700 |
Bias configuration for a magnetomechanical EAS marker
A flat magnetomechanical electronic article surveillance marker is provided having a magnetostrictive resonator and a pair of bias magnets disposed on opposite sides and adjacent the resonator to...
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6424315 |
Semiconductor chip having a radio-frequency identification transceiver
A miniature radio-frequency identification (RFID) transceiver and a method for making the same are provided. The RFID transceiver is small in size and physically rugged. The RFID transceiver...
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6415336 |
Electronic indicium and methods of using same in postal processes
An electronic indicium to be affixed to a mailpiece to be processed by a postal meter and an AFCS unit, and methods of using the electronic indicium in postal processes. The indicium includes a...
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6414597 |
Electronic identification system extended-range reader
An extended-range reader for use in identifying the tag of an object. The reader includes a winding of conducting wire for generating an interrogating magnetic field. The winding may be either a...
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6404340 |
Multiple-axis tracking of passive resonant structures
A preferred reader circuit for energizing the coils and detecting loading variations is shown in FIGS. 3 A and 3 B. It was designed for tabletop operation at relatively low frequencies; the...
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6400273 |
EAS system with wide exit coverage and reduced over-range
System for preventing detection stationary identification marker in a detection zone of an electronic article surveillance system. The system includes a transmitter for transmitting an exciter...
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6396075 |
Transient fuse for change-induced damage detection
A transient fuse ( 102 ) and antenna ( 110 ) for detecting charge-induced plasma damage in a device ( 112 ). When the transient fuse ( 102 ) is placed between the antenna ( 110 ) and the device (...
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6392544 |
Method and apparatus for selectively activating radio frequency identification tags that are in close proximity
A radio frequency identification exciter ( 200 ) includes a plurality of antenna elements ( 122 a-i ) that are spaced to define active areas ( 130 a-e ). A matrix switch ( 202 ) flexibly connects...
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6388630 |
Waveguide for transmitting RF energy through an RF barrier
A spacer for items includes a waveguide 28.1 for radio frequency signals and a crate 16.1 or pallet. When items 16.1 to 16.9 in an array are spaced with such waveguides, signals from an...
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6388575 |
Addressable underground marker
An underground marker and methodology for locating the same is discussed. The marker has a tuned circuit and an energy storage device. The marker also has a transponder that is coupled to the tuned...
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6384727 |
Capacitively powered radio frequency identification device
A capacitively powered radio frequency identification device ( 10 ) comprises a substrate ( 12 ), a conductive pattern ( 14, 16 ) and a circuit ( 18 ). The substrate ( 12 ) has a first surface and...
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6373447 |
On-chip antenna, and systems utilizing same
One or more antennas are formed on an integrated circuit (IC) chip and connected to other circuitry on the IC chip. Antenna configurations include loop, multi-turn loop, square spiral, long wire,...
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6366260 |
RFID tag employing hollowed monopole antenna
A radio-frequency identification (RFID) transponder (tag) in accordance with the principles of the invention includes a hollowed monopole antenna. The hollowed monopole antenna is co-located on a...
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6362738 |
Reader for use in a radio frequency identification system and method thereof
A contactless programmable electrostatic Radio Frequency Identification (RFID) reader that also serves as an Electronic Article Surveillance (EAS) reader is described. The RFID/EAS reader contains...
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6359561 |
Method of manufacturing and testing an electronic device, and an electronic device
A method of manufacturing and testing an electronic circuit, the method comprising forming a plurality of conductive traces on a substrate and providing a gap in one of the conductive traces;...
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6351215 |
Monitoring antenna system
A monitoring system incorporates antennas that transmit signals at predetermined frequencies; the transmitted signals are received by tags located in the active monitoring area of the antenna which...
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