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8183978 |
Electronic key apparatus for a vehicle
Provided is an electronic key apparatus for a vehicle, capable of suppressing power consumption, reducing a verification time, and improving responsiveness of an on-vehicle device. The electronic...
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8183982 |
System including reply signal that at least partially overlaps request
A system including a receiver and a transmitter. The receiver is configured to transmit a request. The transmitter is configured to transmit a reply signal that at least partially overlaps the...
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8183983 |
Method for the at least temporary activation of bidirectional communication and transponder
A method for the at least temporary activation of bidirectional communication between a transponder having a nonvolatile memory area and a base station, whereby the transponder in an at least...
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8183981 |
Passive tag with oscillator circuit and frequency identification system utilizing the same
A passive tag receiving a reader signal provided by a reader is disclosed. The passive tag includes an antenna, an oscillator circuit, and an internal chip. The antenna receives the reader signal....
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8179233 |
UHF timing system for participatory athletic events
A participatory athletic event timing system based on backscattering modulation in the UHF band and including wirelessly encoding writable data tags with participant's bib numbers or a calculated...
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8179263 |
RF ID tag device
The present invention aims to overcome the drawback with conventional RFID tag devices having a short communication range, and expand the communication range to several times or more that in the...
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8174367 |
Causing RFID tags to backscatter more codes
RFID reader systems, readers, components, software and methods for causing RFID tags to backscatter a combination made from at least portions of a first code and a second code stored in tag memory,...
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8176064 |
Method, device and system for information based automated selective data handling and provision by identification means
In general, the present invention purposes a method for automated information based selective data provision by an identification device is provided. Information data associated with a plurality of...
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8174363 |
Multi-transceiver RFID reader system with centralized control and frequency source
Embodiments of the present invention provide RFID systems having a centralized frequency source and controller. The centralized frequency source generates a reference signal, having a frequency...
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8174366 |
Interrogator and interrogation system employing the same
An interrogator, methods of discerning the presence of an object, and interrogation systems employing the same. In one embodiment, the interrogation systems include multiple interrogators that...
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8169301 |
RFID tag information communicating apparatus
This disclosure discloses an RFID tag information communicating apparatus, comprising an apparatus antenna device; a command transmission portion that generates and transmits a command signal for...
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8169319 |
Virtual group maintenance and security
A method of providing security and maintenance of a group of devices using a group of tags. Each of the tags is attached to a device and includes a radio frequency transceiver for...
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8164460 |
Method and apparatus for coupling multiple microradios to an RFID tag antenna
Whether or not one utilizes direct DC coupling of the microradios to the antenna feed points or couples the RF energy from the dipoles associated with the spaced-apart contact pads on the...
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8164424 |
System and method of integrated processing of electronic tag
A system of electronic tag has developed for integrated processing by utilizing RFID technology, which comprises a reader for collecting information, processor for processing success failure,...
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8159331 |
Method and system for radiated power control for short range RFID tag reading
A method and system for power control for Radio Frequency Identification (RFID) tag reading is provided. The system includes a power amplifier for providing an RF transmit signal for the RFID tag...
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8159367 |
Methods for noise validated phase ranging RFID location
A method and apparatus for validating a distance output of a phase ranging RFID location system, based upon the phase readings included in data sets obtained from monitoring reply signals...
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8154389 |
Wireless sensor reader
A wireless sensor reader is provided to interface with a wireless sensor. The wireless sensor reader transmits an excitation pulse to cause the wireless sensor to generate a ring signal. The...
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8149091 |
Radio-frequency tag communication device, radio-frequency tag communication system, and radio-frequency tag detecting system
A radio-frequency tag communication device permitting a radio-frequency tag communication system to have a sufficiently large area of communication, with a minimum required number of interrogators....
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8149108 |
System and method for automatically powering on and synchronizing a wireless remote console to a central control unit so as to allow remote control of a medical device
A system and method for controlling one or more medical devices by a remote console. The remote console communicates wirelessly with a central control unit that connects to one or more of the...
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8149155 |
Range measuring method, range measuring apparatus, non-contacted IC medium and range measuring system
A method of measuring a range from a reader unit to a non-contacted IC medium, includes: transmitting an inquiry signal at a first frequency from the reader unit to the non-contacted IC medium;...
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8143997 |
System for self-service checkout inventory control
A system for providing self-service inventory control comprises at least one RFID antenna mat placed adjacent to a cart with the RFID antenna transmitting and receiving information from a plurality...
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8138892 |
Variable frequency tag
An antenna assembly is operative for receiving interrogating radiation at a variable frequency tag and generating a corresponding received signal, and for receiving a signature signal and radiating...
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8140015 |
Electronic apparatus and communication state notification function control method
According to one embodiment, an electronic apparatus includes a communication module, a communication state notification module, a notification function information obtaining module, and a...
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8135354 |
Method and system for chopped antenna impedance measurements with an RFID radio
Described herein are methods, devices and systems for characterizing an attached antenna to an electronic device, such as a radio frequency identification (“RFID”) reader. One exemplary emb...
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RE43242 |
Communication system, interrogators and communication methods
The present invention includes backscatter communication systems, interrogators, methods of communicating in a backscatter system, and backscatter communication methods. According to one aspect of...
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8134452 |
Methods and systems of receiving data payload of RFID tags
Methods and systems of receiving data payload of RFID tags. At least some of the illustrative embodiments are methods comprising selecting (by each of a plurality of radio frequency identification...
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8134451 |
RFID tag chips and tags capable of backscattering more codes and methods
RFID tags and chips for RFID tags store a first code and a second code in memory. They are capable of backscattering a combination made from at least portions of the first code and the second code,...
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8130103 |
Method of reducing power consumption of a radio badge in a boundary detection localization system
A method of reducing power consumption of a radio badge in a boundary detection localization system is disclosed, in which the radio badge is carried by a tracked target and performs location...
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8130079 |
Methods, systems, and products for discovering electronic devices
Methods, systems, and products are disclosed for controlling an electronic device. A query is received at a remote control interface. A response to the query is determined. A random response...
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8125288 |
Method for modulating a signal
A method for modulating a signal transmitted by a first device to a second device which is energised by the signal, wherein the first device is further arranged to amplitude modulate the signal so...
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8120461 |
Automatic data collection device, method and article
A radio frequency identification system comprises a radio-frequency identification substrate and an interrogator. In one embodiment, the radio-frequency identification substrate comprises a...
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8120464 |
RFID reader and method for removing a transmission carrier leakage signal
A radio frequency identification (RFID) reader is provided, having a transmitting circuit that generates a transmitted signal to operate an RFID tag, a receiving circuit that receives a received...
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8120487 |
Power-saving wireless input device and system
A power-saving wireless input device and an associated system are included. The wireless input device comprises an antenna, an RFID transponder, an energy-storing unit, and a sensing unit. The RFID...
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8120490 |
RFID tag information system
An RFID tag information system comprises a transmission/reception antenna configured to carry out information transmission/reception via radio communication with a RFID circuit element. An access...
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8120469 |
Method and system for tuning an RFID interrogator
A method, apparatus, and system for periodically measuring the level of ambient noise found on a radio frequency channel used by a radio frequency identification interrogator to read radio...
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8115597 |
RFID tags with synchronous power rectifier
The present disclosure provides a power rectifier for a Radio Frequency Identification tag circuit. The rectifier is constructed from a pair of complementary MOS transistors. Gates of the...
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8115595 |
Reader control system
An RFID reader control system and method is provided. A protocol for controlling an RFID reader and an RFID reader control unit of a mobile phone is defined. Messages, information, commands,...
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8115596 |
Method and system for controlling distant equipment
A method and system for controlling distant equipment. A passive radio frequency identification (RFID) tag within a Programmable Secure Remote Controller (PSRC) receives a radio frequency (RF)...
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8115604 |
Reader control system
An RFID reader control system and method is provided. A protocol for controlling an RFID reader and an RFID reader control unit of a mobile phone is defined. Messages, information, commands,...
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8115598 |
Near field communication front-end
A near field communication front-end includes an up conversion module, a plurality of coils, and a down conversion module. The up conversion module is coupled to convert an outbound symbol stream...
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8111137 |
RFID tag reader/writer
An RFID tag reader/writer having a high degree of stability of communication with only a desired RFID tag. The frequency of a carrier wave to be transmitted from the RFID tag reader/writer is set...
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8111163 |
Methods for manufacturing and application of RFID built-in cable, and dedicated RFID reading systems
Disclosed is a cable identifying system for accurately discriminating one cable from another on site over a long period of time, the system enabling a cable layer or a cable user, when laying out...
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8106743 |
Electronic apparatus, remote controller and remote control system
An electronic apparatus is remotely controlled based on a remote control signal transmitted from a remote controller using radio wave. The electronic apparatus contains a communication module that...
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8099044 |
Radio frequency detection system for a medical device and process
A radio frequency detection system is provided that includes at least two radio frequency detection devices, which have an antenna each with a detection range for a radio frequency identification...
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8098139 |
Test head device
There is disclosed a test head device for testing the functionality of a large number of RFID chips arranged in smart labels (17) within a smart label production apparatus by means of a data...
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8093990 |
Far field RFID reader with blocking
A far field radio frequency identification (RFID) reader includes a baseband processing module, a transmitter section, and a receiver section. The receiver section includes a low noise amplifier...
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8087577 |
Radio frequency identification tag reader and method
A system that includes a Radio Frequency Identification (RFID) tag reader, said reader includes a reading section, a processing section, memory and a transmitting section; wherein the reading...
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8085152 |
Apparatus and method for automatically selecting and executing files associated with a user
An apparatus includes a media player configured for executing stored files, and a sensor connected to the media player configured for perceiving a feature of a user who approaches the apparatus and...
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8081063 |
Systems and methods for Q value determination
Systems and methods for determining a Q value for a subsequent inventory round can include a radio frequency identification (RFID) interrogator determining at least one of: a number of empty slots,...
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8081061 |
Mobile RFID reader and method of eliminating a transmission leakage signal
A mobile radio-frequency identification (RFID) reader includes a high-frequency front-end unit including an antenna, a circulator, an output amplifier, and a signal processor chip. The signal...
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