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7388500 |
Enhanced mechanism for radio frequency identification reader
The invention relates to an enhanced mechanism for RFID reader which includes: an antenna for receiving a RFID signal transmitted from an object under test and outputting the RFID signal to the...
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7388498 |
Method and system for producing and reading labels based on magnetic resonance techniques
The invention provides a method and system for labeling items, wherein the labels contain digital information and can be read when desired. The coding of the labels is done by choosing specifically...
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7348890 |
Pest control techniques
A pest control system ( 20 ) includes pest control devices ( 110 ) installed about an area or building ( 22 ). These devices ( 110 ) each include a bait member and a communication circuit. The...
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7345584 |
Portable device and method for use thereon and method for use thereof
The present invention provides a portable device, comprising first identification means for wireless transmission and/or reception of electromagnetic radiation for the purpose of identification...
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7342498 |
Radio frequency identification (RFID) tag and manufacturing method thereof
An RFID tag includes a dielectric member, an antenna pattern formed on and around a surface of the dielectric member, and an IC chip that is electrically connected to the antenna pattern by means...
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7339480 |
Power processing interface for passive radio frequency identification system
A power processing interface for a radio frequency identification system is provided. The power processing interface includes a resonance circuit for inducing a first signal transmitted from a...
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7319368 |
Method and circuit arrangement for load modulation in a combination comprised of a transmitting and a receiving oscillator circuit
A method and circuit arrangement is provided for load modulation in a receiving oscillator circuit, which can be mutually coupled with a transmitting oscillator circuit, having at least one...
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7317398 |
Security and identification label and the production and use thereof
An object is provided with a label for identifying in a cable-less manner by an electromagnetic radiation. The inventive label comprises at least one antenna receiving an incident electromagnetic...
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7307535 |
Air coil RF transponder and method of making same
An RF air coil transponder includes a rotatable carrier, such as a rigid reel. A coil is wound about the reel and at least one field influencing body for influencing the electric and/or the...
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7295629 |
Data carrier having a controllable carrier-signal receiving-means configuration
A data carrier (DC) has a receiving-means configuration (RC) which includes a switching means (S) and a first transmission coil (L 1 ), which can be short-circuited with the aid of the switching...
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7274285 |
System and method for improved object identification
A method for identifying objects within a set of objects includes the steps of transmitting a signal toward a region of interest, receiving energy reflected from the region of interest,...
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7271724 |
Interfering smart shelf
A smart shelf system is disclosed. Objects are placed on a shelf that includes RFID tags. The objects prevent an RFID reader from reading certain RFID tags. The number of objects placed on the...
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7271677 |
Inductive data and power link suitable for integration
A system providing an inductive power and data link between an external transmitter and miniature internal receiver is presented. The system is suited to applications where the receiver must be of...
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7262701 |
Antenna structures for RFID devices
An improved antenna structure for RFID tags uses a pair of bent dipole antennas having arms that extend substantially about an outer edge of an RFID substrate. The antennas can be adjusted to...
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7254666 |
System and method for delivering information at inaccessible locations
Systems and methods of using the systems for delivering information related to an inaccessible location to individuals at the inaccessible location are disclosed. The system comprises a memory...
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7215248 |
Diode receiver for radio frequency transponder
A passive radio frequency transponder (RF tag) having a diode rectifier receiver circuit outside the tag power rectification circuit, the tag power rectification circuit supplying power to the...
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7215239 |
Non-contact smart card interrogator, wherein across a transmission line from an antenna to a receiver the signal modulation varies between amplitude modulation and phase modulation
In a non-contacting smart card interrogator ( 1 ) a first end (A) of an eighth-wave transmission line ( 13 ) is connected to a terminal connecting a first receiver ( 16 ) to a transmission line (...
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7212123 |
Detector
A detector for detecting the presence of a memory tag, the detector comprising a radio frequency source operable to generate a radio frequency signal and a detector resonant circuit part connected...
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7205899 |
Flexible transponder label which is readable on conductive surfaces
A transponder label includes an antenna coil, a semiconductor chip, and a single layer film, which acts both as a carrier film and as a shield against the induction of counter magnetic fields in...
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7202788 |
RFID electronic seal and system using the RFID electronic seal
An RFID electronic seal includes a head and a strap. A through-hole extends from a first side through a second side of the head. The strap includes an end extending from the first side of the head....
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7183921 |
System for tracking items
An item tracking system for tracking an item within a structure having at least one aperture through which the item is passed is provided. The item tracking system comprises a radio frequency tag...
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7183917 |
EAS/RFID identification hard tags
A re-usable identification tag that includes a combination of RFID (radio frequency identification) elements and EAS (electronic article surveillance) elements, or multiple RFID elements without an...
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7176801 |
Article management system and method
On a basis of information obtained by reading information for specifying articles carried by a user from identification tags attached to the articles by means of a sensor, a list of the articles...
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7176798 |
System for spatially adjustable excitation of leadless miniature marker
A system for generating a magnetic field for excitation of a leadless marker assembly. The system of at least one embodiment includes a source generator that generates a plurality of alternating...
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7158036 |
RFID tag inspection system
An RFID tag inspection system inspects the properties of tag antennas, and further, determines the communication performance of RFID tags, based on how much their resonant frequencies are shifted...
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7152804 |
MOS electronic article surveillance, RF and/or RF identification tag/device, and methods for making and using the same
A RF MOS- or nonlinear device-based surveillance and/or identification tag, and methods for its manufacture and use. The tag generally includes (a) an inductor, (b) a first capacitor plate coupled...
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7151436 |
Receiving/backscattering arrangement and method with two modulation modes for wireless data transmission as well as modulation arrangement therefor
For transmitting data, a receiving/backscattering arrangement receives, modulates and reflects or backscatters electromagnetic waves emitted by a base station. The modulation corresponds to the...
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7145514 |
Substrate element with integrated antenna structure
A method of producing an antenna structure for an automotive vehicle comprising the steps of providing a substrate element and arranging the antenna structure on one surface of the substrate element.
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7132948 |
System for optimally placing radio frequency identification (RFID) antennas, tags, and interrogators
A system and method for optimally placing radio frequency identification (RFID) antennas. The system varies the placement of RFID tag and interrogator antennas with respect to each other and a...
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7132747 |
Multilayer integrated circuit for RF communication and method for assembly thereof
A low profile radio frequency (RF) module and package with efficient heat dissipation characteristics, and a method of assembly thereof, are provided. In some embodiments, the RF module package...
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7123129 |
Modulation of the resonant frequency of a circuit using an energy field
A transponder has a resonant RLC circuit with one or more electromagnetic energy storage components that vary in response to an externally applied modulating energy field. In addition to the...
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7119693 |
Integrated circuit with enhanced coupling
A system for conveying a radio frequency (RF) signal from a base station to a detached integrated circuit (IC) has an intermediate resonant circuit and an IC. The intermediate resonant circuit is...
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7116222 |
Combination magnetic tag
A combination magnetic tag ( 10 ) is described comprising an optical part ( 20 ) and a magnetic part ( 30 ), the optical part including a plurality of optical elements for conveying an optical code...
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7109868 |
Unitary core transponder
A method of fabricating, a composition and overmolded components fabricated by the method and with the composition such as an overmolded transponder circuitry for a radio frequency identification...
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7109867 |
RFID tags with EAS deactivation ability
A radio-frequency identification (RFID) and an electronic article surveillance (EAS) tag includes an RFID device and an EAS device. The RFID device may operate in a plurality of states including an...
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7106200 |
Deactivator using resonant recharge
A method and apparatus to perform resonant recharge transfers energy from an AC power source (e.g., a power line) or from a DC power source or from bulk capacitors to a deactivation capacitor. The...
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7095326 |
Characterizing a cargo container
Characterizing a cargo container and its contents. A system comprising an emitter to emit radio frequency (RF) energy, a receiver to receive an RF response related to the energy, and a processor...
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7093765 |
Transponder, especially for a contactless chip card
A transponder located for example in a contactless smart card receives energy via an antenna (L 2 ) from a high-frequency alternating field. A voltage (U dd ) formed with a rectifier ( 12 ) is fed...
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7091860 |
Multi-frequency identification device
The present invention comprises a radio frequency identification device that utilizes multiple operating frequencies. In one embodiment of the present invention, one frequency (e.g., an ultra-high...
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7091858 |
Wide exit electronic article surveillance antenna system
An electronic article surveillance antenna system for wide exit interrogation zones is provided. In a first aspect, a first and a second transmit antenna, each adapted for installation on opposite...
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7088246 |
RFID tag and method for processing RFID data
A collision prevention relational function is disclosed for RFID tags, which increases stability during system operations. The RFID tag includes a parallel resonance circuit having a coil, a...
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7088245 |
Remote-readable identification tag and method for operating the same
A remote-readable identification tag (T) that is provided with at least two resonance circuits ( 81 . . . 8 n ) and at least one transmitter/receiver antenna system ( 1 ) coupled with the circuits....
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7079031 |
Sensor element for a monitoring device
A sensor element may be provided for a monitoring device designed to protect displayed merchandise against theft. The sensor element may be flexible and include a sensor layer with a measuring...
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7076858 |
Method for controlling resonant tag frequency
A method of making a resonant frequency tag having a predetermined frequency comprises forming a first conductive pattern comprising an inductive element and a first land having a first end...
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7075440 |
Miniature magnetomechanical marker for electronic article surveillance system
A miniature magnetic article surveillance system marker is adapted, when armed, to resonate at a frequency provided by an incident magnetic field applied within an interrogation zone. The marker...
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7064653 |
Selective cloaking circuit for use in radio frequency identification and method of cloaking RFID tags
The output to the antenna of an RFID tag or label is disconnected from the balance of the RFID chip by means of a series switch activated in response to a logic command, CLOAK, generated by the...
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7053854 |
Device for shielding a transponder, method for producing a corresponding shielding and transponder provided with said shielding
A unit for shielding a transponder includes at least a chip and an antenna structure with application-specific spatial dimensions and which is secured to an electrically conductive surface. The...
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7049969 |
Liquid detection sensor and liquid detection apparatus
A moisture detection sensor includes a resonant circuit composed of an antenna coil 53 and a capacitor C. A noncontact tag composed of covering materials 51 and 57 covers the resonant...
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7046121 |
Detection of an electric signature of an electromagnetic transponder
The invention concerns a terminal generating a high-frequency electromagnetic field by means of an oscillating circuit, adapted to co-operate with at least a transponder when the latter enters said...
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7023345 |
Enhancing magneto-impedance modulation using magnetomechanical resonance
A method and apparatus to enhance magnetoimpedance effect using magnetomechanical resonance are described.
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