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7532124 |
Retroreflective display devices
In a retroreflective display device comprising at least a surface-protective layer, information display layer, retroreflective layer and a back-protective layer, on or between these layers radio...
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7528785 |
Multiple feed point 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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7528725 |
Passive dynamic antenna tuning circuit for a radio frequency identification reader
A resonant antenna circuit for a radio frequency identification (RFID) reader generates an electrical signal for activating a passive identification tag. The identification tag in turn generates a...
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7528721 |
Identification and location of RF tagged articles
The RFID system is for automatic recognition of one or all of a plurality of objects or articles located in an interrogation zone and having RFID tags mounted thereon. The tags have transponders...
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7528726 |
RFID portal array antenna system
This invention provides an array antenna for a radio frequency identification (RFID) system, the array antenna comprises a transmission line with a longitudinal span proximately equaling to a...
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7523541 |
Method for manufacturing radio frequency IC tag
Method for manufacturing a small radio frequency IC tag, where the radio frequency IC tag which can obtain sufficiently long communication distance with radio wave in the microwave band even if an...
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7522056 |
Badge verification device
A badge, such as that used by police officers and other law enforcement officials, includes a badge body constructed and arranged to support one or more components of the badge, such as an...
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7522054 |
Contactless identification tag
A contactless identification tag includes a capacitor and an electrostatic capacity variable device that varies an electrostatic capacity of the capacitor according to an externally applied...
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7518558 |
Wireless IC device
A wireless IC device includes a flexible sheet provided with a wireless IC chip and radiation plates. The wireless IC chip is connected by an Au bump to a feeder circuit which is located on the...
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7518488 |
Motor vehicle identify anti-fake apparatus and method
The present invention discloses a motor vehicle identity anti-fake apparatus and method. The motor vehicle identity includes a microcomputer ( 1 ), communicators ( 2 ), member anti-fake apparatus (...
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7518512 |
Transponder device
A transponder device comprises an integrated CMOS circuit with a semiconductor substrate. A first rectifying diode (DS) is formed by the substrate diode of the CMOS circuit. A first MOS transistor...
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7515050 |
Very high frequency passive transponder, in UHF frequency band, with active voltage multiplier or booster at the entry of its logic circuit
The passive transponder comprises an antenna ( 2 ) connected to an integrated circuit ( 6 ) the analogue part of which includes a passive voltage rectifier ( 8 ) supplying a rectified voltage (V...
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7515048 |
Method and system for using RFID to automatically lock and unlock a mobile computing device
Methods and systems for using radio frequency identification (“RFID”) to automatically lock and unlock a mobile computing device. An RFID transceiver is installed in connection with a locking...
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7515047 |
RFID conveyor system and method
A conveyor system for processing items on which radio frequency identification tags are disposed includes a frame, a conveyor that is disposed moveably on the frame and that conveys items through a...
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7515051 |
RFID antenna system having reduced orientation sensitivity
Radio Frequency Identification (RFID) antennas systems and methods that are less sensitive to orientation. One example includes an interrogator having a radio frequency transceiver, a first...
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7511620 |
Methods and apparatus for antenna failover in an RFID system with multi-antenna zones
An RFID system includes a central RF network controller and a failover antenna within a read point zone that spans multiple antennas and RFID readers. The system includes a first RFID antenna...
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7511621 |
High-performance mobile power antennas
An RFID tag's mobility can be increased and cost can be decreased by using high-performance mobile power antennas instead of battery powered tags. Disclosed are some power antennas that include a...
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7511616 |
Thin profile battery bonding method, method of conductively interconnecting electronic components, battery powerable apparatus, radio frequency communication device, and electric circuit
A curable adhesive composition is provided. A battery and a substrate to which the battery is to be conductively connected are also provided. The adhesive composition is interposed between the...
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7508347 |
Radio frequency integrated circuit tag and method of using the RFIC tag
An RFIC tag includes an IC chip and a thin metal plate. The IC chip is mounted approximately in the center of a slit part on the thin metal plate. The thin metal plate has connecting parts at both...
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7508305 |
Packing material, tag, certificate, paper money, and securities
A packing material, a tag, a certificate, paper money, and securities, each of which can be surely prevented from counterfeiting or deception. A plurality of wireless tags used for an object such...
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7508308 |
Tracking apparatus and method, as for an exhibition
A method and system for conducting an exhibition wherein a visitor having a visitor smart tag visits a plurality of stations comprises a plurality of stations each having a smart tag reader and an...
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7503491 |
RFID chip and antenna with improved range
A “coil-on-a-chip” RFID tag having an rfid integrated circuit and an antenna contemporaneously formed on a substrate. The antenna is a helical multiple layer, multi-turn coil having an axis of...
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7504952 |
Wide band RFID system with tag on flexible label
An active radio frequency identification (REID) tag implemented on a flat label. The tag includes a battery printed on the label, a flat wide-band antenna printed on the label and a wide band...
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7504950 |
System and method for continuous RFID encoding
An encoder device for encoding a series of radio frequency identification tags supported by media includes a media path, at least two antennae, at least one transceiver, and a controller. Media and...
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7504951 |
Interface antenna
An interface antenna is positioned between a tag antenna associated with a tag and a reader antenna associated with a reader. The interface antenna receives an electromagnetic carrier signal...
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7505001 |
Virtual short circuit for providing reference signal in RFID tag
An RFID tag ( 10 ) including a virtual short circuit using a stepped impedance transformation from an open circuit or other known impedance point to provide a reference signal to an integrated...
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7501959 |
Signal incoming direction estimation apparatus
A signal incoming direction estimation apparatus is constructed so as to comprise a sensor array having plural sensors and the impedance of each of the sensors being set to a predetermined value,...
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7501954 |
Dual circuit RF identification tags
A wireless article includes two or more RFID electronic devices and antenna that operate at or under different conditions, e.g., at different frequencies and/or under different protocols.
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7501955 |
RFID device with content insensitivity and position insensitivity
An RFID device includes an antenna structure that provides good performance throughout a range of different positions relative to nearby materials, such as metallic objects in a carton or other...
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7500610 |
Assembly comprising a functional device and a resonator and method of making same
A Radio Frequency Identification (RFID) device. The RFID device comprises an antenna assembly and a resonator assembly. The antenna assembly comprises a first substrate and an antenna element. The...
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7498941 |
IC tag communication system
An IC tag communication system according to an aspect of the present invention includes: a plurality of reader antennas which receive radio waves emitted from an IC tag attached to an article, the...
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7498947 |
Antenna circuit, IC inlet, multi tag, and method for producing multi tag
An antenna circuit includes a plurality of antenna circuit units on a circuit substrate. The plurality of antenna circuit units includes: a large antenna circuit unit whose circuit size is large;...
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7495567 |
Structural configuration for an RFID tag
A tag includes a housing, an antenna disposed within the housing, and circuitry within the housing that is electrically coupled to the antenna. A battery within the housing is electrically coupled...
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7495557 |
Radio tag communication system
A radio tag communication system, when a plurality of RW apparatuses are arranged in such a manner that communication areas of adjacent RW apparatuses overlap one another, makes the polarized waves...
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7495559 |
RFID tag information communicating device, cartridge for RFID tag information communicating device, and RFID circuit element processing system
The RFID tag information communicating device contains a cartridge holder for detachably mounting a cartridge; an antenna; a signal processing circuit for producing access information used to...
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7496486 |
System, method, and logic for emulating a tag reading environment
Emulating a tag reading environment includes accessing a virtual tag reading system of a virtual environment. The virtual tag reading system includes a virtual antenna operable to detect virtual...
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7495566 |
Resonance security tag with and method of producing such a tag
A resonance security tag ( 1 ) comprises a dielectric foil material ( 2 ) provided with conductive material layer patterns ( 3 - 7 ) on both sides. The conductive material layer patterns are formed...
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7489248 |
RFID tags and processes for producing RFID tags
A Radio Frequency Identification (RFID) tag. The RFID tag comprises a flexible substrate and an integrated circuit embedded within the flexible substrate. The top surface of the integrated circuit...
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7488619 |
Method and apparatus for manufacturing IC chip packaged device
A film substrate that has antenna circuits formed at a fixed spacing on one surface thereof is transported at a constant speed, and IC chips are moved along the film substrate, and are mounted at...
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7486191 |
RFID tag
The present invention relates to an RFID tag performing exchange of information with an external device without contact, and is to improve the resistance to bending while avoiding an increase in...
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7486192 |
RFID tag with frequency adjusting portion
A radio frequency identification tag includes an antenna including a conductor pattern in a form of dipole, and connected to an integrated circuit chip of the radio frequency identification tag; an...
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7484625 |
Shale shakers and screens with identification apparatuses
A screen apparatus, which in certain aspects is a screen apparatus having a support, screening material on the support, and energizable identification apparatus on (exteriorly, interiorly, and/or...
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7482926 |
System and method of enhancing range in a radio frequency identification system
A radio frequency identification (RFID) system includes a plurality of RFID tags each having adjustable tag resonant frequency, and an RFID reader configured to transmit interrogation and change...
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7482934 |
Communication device and communication method
A communication device includes a radio frequency identification tag that performs a radio communication with a predetermined device. A first metal body has an electrical conductivity. A space...
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7482925 |
Apparatus and method to electromagnetically shield portable consumer devices
An apparatus and method is provided to shield contactless portable electronic consumer devices such as radio frequency identification devices (RFID), tokens, mini-cards, key fobs, cellular phones,...
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7482933 |
Resonance tag system for a data medium provided with a metallization
The invention relates to a resonant label ( 10 ) which is designed to be directly applied to a data carrier ( 20 ) that is provided with a metallization, such as a CD, DVD or an MO disc. To...
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7479885 |
Linear motion device with an RFID tag
A linear motion device has a rod, a traveler which is movably supported with at least one roller body circuit, the traveler including an electrically conductive carrier body; roller bodies braced...
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7479884 |
System and method for monitoring objects, people, animals or places
An improved system and method for monitoring objects, people, animals, or places uses a passive Modulating Reflector (MR) tag where an antenna is alternately short and open circuited according to a...
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7479886 |
Antenna capacitance for energy storage
Various embodiments of the invention may include an antenna for a wireless device, the antenna operable to store electrical energy received from a power source. The stored electrical energy may...
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7479887 |
Closure and container package with RFID circuit
A tamper-indicating closure includes a closure shell having a skirt for securing the closure to a container neck finish and a tamper band frangibly coupled to the skirt for separation from the...
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