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7268686 |
RFID radiation nullifier
In one embodiment, a system for communicating with an RFID tag is provided that includes: a capacitive encoder adapted for placement in proximity of the RFID tag and operable to transmit a first...
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7268736 |
Small rectenna for radio frequency identification transponder
A small rectenna including a thin conductive layer formed on a surface of a dielectric substrate and a slot pattern arranged within the thin conductive layer. The small rectenna for an RFID...
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7268688 |
Shielded RFID transceiver with illuminated sensing surface
A transceiver for reading RFID tags has a ferrite core antenna substantially circular in cross-section having a transmitting and receiving face producing substantially no RF energy below a plane of...
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7268685 |
Radio frequency identification tag for transmitting temperature data and method therefor
A radio frequency identification tag, used in a radio frequency identification system, includes an antenna unit for receiving an external magnetic wave to generate an induced current; a driving...
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7265675 |
Multistatic antenna configuration for radio frequency identification (RFID) systems
Methods and apparatuses for configuring antennae of radio frequency identification reader systems. In one aspect of an embodiment, a radio frequency identification (RFID) reader system, includes: a...
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7265674 |
Thin flexible, RFID labels, and method and apparatus for use
A radio frequency identification (REID) device may include a first, thin, flexible sheet, an antenna, and an integrated circuit. A surface portion of the first sheet may be affixed to a second,...
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7260882 |
Methods for making electronic devices with small functional elements supported on a carriers
Methods for making electronic devices with small functional elements supported on a carrier are presented. One method of making an electronic assembly is by first providing the following: a web 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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7259678 |
Durable radio frequency identification label and methods of manufacturing the same
A durable radio frequency identification tag. A preferred embodiment of the invention provides a durable radio frequency identification tag comprising: a flexible substrate including a first major...
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7256739 |
Antenna for radio frequency identification
To provide an antenna shape devised to be integrated and compact. The antenna connected to an IC chip that performs wireless identification includes a slit that separates two connection points with...
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7256697 |
Radio frequency IC tag and bolt with an IC tag
A radio frequency IC tag includes an antenna substrate accommodated on a bottom portion of an outer casing and an antenna radiation portion mounted on a surface of the antenna substrate. These...
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7253734 |
System and method for altering or disabling RFID tags
An arrangement for providing protection to wireless portable transponders (including resonant tags such as RFID tags) from unauthorized interrogation by employing a mechanical arrangement for...
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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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7253736 |
RFID tag for instrument handles
Disclosed are exemplary implementations of an instrument having an RFID tag formed in or on the material of its handle. One or more antenna segments of the RFID tag may be formed from conductive...
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7250917 |
Directional wire antennas for radio frequency identification tag system
Directional wire antennas for use in article or personal tracking and/or inventory monitoring or control systems wherein the antennas are specifically configured to provide a tunable vertical beam...
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7250868 |
Manufacture of RFID tags and intermediate products therefor
An improvement in the manufacture of radio frequency identification tags employs an antenna stamped from a thin metallic sheet and affixed to a substrate at a first location to establish an...
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7250867 |
Wireless IC tag, and method and apparatus for manufacturing the same
In a wireless IC tag, metallic antennas are deposited as thin films on the front and back surfaces of a spacer, made of a heat-resistant glass epoxy material having a desired dielectric constant,...
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7250845 |
Radio frequency identification device with movable antenna
A preferred embodiment of a hand-held radio frequency identification reader includes a first casing suitable for being grasped by a user, a second casing, and a transceiver housed within one of the...
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7248165 |
Method and apparatus for multiple frequency RFID tag architecture
The present invention provides a multi-band, multi-mode RFID tag that uses a single antenna structure and integrated circuit to provide asset location information at any stage of a supply chain....
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7248169 |
Recursive-reflective 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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7245151 |
Logic circuitry powered by partially rectified AC waveform
Logic circuitry is powered by a partially rectified alternating current (ac) waveform. The waveform is partially rectified in the sense that it does not provide a clean, primarily dc power signal....
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7245213 |
RFID readers and RFID tags exchanging encrypted password
RFID system components, such as readers and tags, communicate where at least a portion of data or a password is transmitted in encrypted form. The reader transmits a command, along with data or a...
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7242293 |
Radio-frequency identification apparatus, systems, and methods
Apparatus and systems, as well as methods and articles, may operate to identify and locate an RFID-tagged object relative to a point on a body, including a human, animal, or robotic body.
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7232209 |
Non-contact communication between a device and its expendable container
An expendable container of the present invention includes a memory circuit. The memory circuit has a memory, an antenna being capable of establishing non-contact communication with an external...
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7233260 |
Electronic toll collection system
An improved electronic toll collection system having two lane-based antennas per laneway. The antennas include an overhead antenna and a side mount antenna. The side mount antenna is disposed so as...
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7230537 |
Product identification system using IC tag units, and a digital content management system
An IC tag unit has an IC unit for storing unique identification information, a first coil operable to produce a first induction current by electromagnetic induction resulting from movement relative...
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7230580 |
Design of a two interconnect IC chip for a radio frequency identification tag and method for manufacturing same
An apparatus and method for attaching antennae to RFID tags is disclosed. Included is the use of RFID tags having a symmetrical interconnect system for attaching one or more antennae, such that...
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7224280 |
RFID device and method of forming
A radio frequency identification (RFID) inlay includes an electrical connection between a chip and an antenna. The electrical connection includes conductive interposer leads and a capacitive...
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7224279 |
Integrated circuit enclosed retroreflective product
An integrated circuit enclosed retroreflective product which comprises an integrated circuit module having built-in integrated circuit(s), a retroreflective element, and their carrier layer(s).
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7221275 |
Tuneable wireless tags using spatially inhomogeneous structures
Wireless tags with a plurality of non-equivalent current pathways altered to collectively represent encoded information, each of which responds differently to an interrogation signal. The element...
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7221268 |
Method and system for providing an active routing antenna
An array antenna is facilitates transmission of data with amongst fixed radio units. The array antenna includes a number of antenna panels arranged in an hexagonal shape, one or more array control...
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7218233 |
Identity booklet with a radiofrequency identification device
An identity booklet such as a passport including a reinforced paper cover made up of a top cover board ( 16 ) and bottom cover board ( 14 ), an inside quire whose top ( 22 ) and bottom ( 20 )...
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7218228 |
Article management apparatus and information processing methods
In a tag reader/writer 10 according to the present invention, first, a temporary ID receiver 11 receives a temporary ID unit of temporary IDs of RFID tags 41–44 , and 47 detected by...
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7218230 |
Multi-dimensional antenna in RFID system for reading tags and orientating multi-dimensional objects
A RFID system applying to a three-dimensional jigsaw is provided. The RFID system includes a jigsaw substrate having a plurality of blocks, a plurality of jigsaw units corresponding to each blocks...
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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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7212124 |
Portable information device
Provided is a portable information device having an RFID, the device being a device in which no effect is produced on original communication of the portable information device for which an EMC...
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7212125 |
Radio frequency identification architecture
A radio frequency identification (RFID) architecture is described. RFID tags are interrogated by a reader, which may be located in a network of readers. The reader transmits symbols to the tags....
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7212116 |
RFID system with an adaptive array antenna
The present invention relates to use of a smart antenna for a RF reader on a Radio Frequency Identification (RFID) system to significantly increase the operating range of the RFID system. The smart...
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7205896 |
RFID reader having multi-dimensional antenna array
An RFID reader having a multi-dimensional antenna array makes use of electronic circuits to change the antennas or coils of an RFID device to form a multi-dimensional antenna array, thereby...
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7202790 |
Techniques for tuning an antenna to different operating frequencies
Techniques for tuning an antenna to different operating frequencies are described. An apparatus includes a security tag with a substrate having a surface, a lead frame to mount on the surface and...
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7199717 |
Frequency-division marker for an electronic article surveillance system
A method and apparatus for a frequency-division marker are described.
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7196626 |
Radio frequency identification RFID tag
The RFID TAG includes a conducting antenna affixed to the surface of the substrate. And, wireless telecommunication IC is electrically linked to antenna. The antenna is provided with a conductor...
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7193517 |
Label applicator system
A label printer applicator system programs labels having integrated circuits therein and applies the labels to a package. The applicator includes a tamp assembly having a tamp pad movement assembly...
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7187288 |
RFID tag reading system and method
An embodiment of the present invention provides an RFID tag reading system, comprising an antenna system associated with a portal through which said RFID tag may pass, said antenna system...
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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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7183928 |
Thermal imaging paper laminate
A thermal imaging paper having a laminate structure is disclosed. The laminate structure includes a thermal imaging heat sensitive substrate, an adhesive layer, and a polyfoam layer. In addition, a...
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7183922 |
Tracking apparatus, system and method
An apparatus capable of tracking a target, comprising at least one near-field focused antenna comprising an array of elements and a phase shifter to form multiple fixed beams in the near-field, a...
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7180423 |
RFID devices for enabling reading of non-line-of-sight items
Radio-frequency identification (RFID) apparatus and methodology enable a plurality of or all of the RFID tags in a stack of items such as cartons and boxes—including items that do not have a line...
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7176802 |
Radio IC tag reader, radio IC tag read apparatus and radio IC tag read system
A radio IC tag reader includes an antenna capable of conducting radio communications with an IC tag on which predetermined data is recorded, the IC tag being attached to an article. An antenna...
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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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