Patents
Sitemap › H04 - Electric communication technique › H04Q - Selecting › H04Q 5 - Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange
Patents for H04Q 5 - Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange (6,717)
12/2007
12/13/2007US20070285211 System on package of a mobile rfid interrogator
12/13/2007US20070285210 Identification System
12/12/2007EP1864515A2 Method and system for rf activation of rf interrogators
12/12/2007CN100354785C Security apparatus
12/11/2007US7308249 Communication between electromagnetic transponders
12/11/2007US7307542 System and method for commissioning addressable lighting systems
12/06/2007WO2007139665A2 Rfid tag with programmable read range
12/06/2007WO2007078440A3 Optimized operation of a dense reader system with improved listen before talk communications
12/06/2007US20070279224 System and Method for Swapping Tag Reads Based on Statistical Analysis of Known Environment
12/06/2007US20070279194 Methods and apparatus for anti-collision for radio frequency communication
12/06/2007US20070279193 RFID carrier sensing method and FRID system using this FRID carrier sensing method
12/06/2007US20070279192 RFID communication control method and RFID system using same
12/06/2007US20070279191 RFID system
12/06/2007US20070279190 Method of authentication and secure exchange of data between a personalised chip and a dedicated server, and assembly for implementing the same
12/06/2007US20070279189 Communication method between host and RFID reader, host device, RFID reader, and RFID communication system
12/06/2007US20070279188 System and method for interrogating a saw via direct physical connection
12/04/2007US7304579 RFID reader to select code modules
12/04/2007US7303120 System for biometric security using a FOB
11/2007
11/29/2007WO2007136999A2 Expanded compatibility rfid tags
11/29/2007WO2007136690A2 Circuitry for adaptively generating and using a reference voltage
11/29/2007WO2007136550A2 System and method for interrogating a saw via direct physical connection
11/29/2007WO2007067374A3 Method and system for optimizing radio frequency identification (rfid) reader operation
11/29/2007WO2006088583A3 Adaptive coherent rfid reader carrier cancellation
11/29/2007US20070274242 Multi-tag emulator
11/29/2007US20070273531 Communication antenna and pole with built-in antenna
11/29/2007US20070273530 Tag communication device, tag moving direction detecting system and tag moving direction detecting method
11/29/2007US20070273529 RFID Portal Array Antenna System
11/29/2007US20070273521 Active radio tag, security management system, and security management method
11/29/2007US20070273486 Information access system for accessing information in contactless information storage device, and method therefor
11/29/2007US20070273485 Systems and methods for low power clock generation
11/29/2007US20070273484 Method of and reader for automatic synchronization of reader wakeup signals to radio tags
11/29/2007US20070273483 Code carrier and codecarrier-set
11/29/2007US20070273482 Communication system and anti-collision method
11/29/2007US20070273481 RFID tag with programmable read range
11/28/2007EP1859634A2 System and method for rfid reader operation
11/28/2007EP1859633A2 Mobile portal for rfid applications
11/28/2007CN101080030A A gate access inter-speaking method and system
11/28/2007CN101080029A Call building inter-speaking system
11/27/2007US7301439 Radio IC tag reader writer, radio IC tag system, and radio IC tag data writing method
11/27/2007US7299990 RFID tag, printing paper, printer, and RFID system
11/22/2007WO2007132451A2 Modeling of humanoid forms from depth maps
11/22/2007WO2007078520A3 Clock generation circuit
11/22/2007WO2007041225A3 Truncation, compression, and encryption of rfid tag communications
11/22/2007WO2006083493A3 Method for rf card detection in a contactless system
11/22/2007US20070268142 VSWR classification and non-resonant encoding of RFID tags using a near-field encoder
11/22/2007US20070268140 Method of enabling two-state operation of electronic toll collection system
11/22/2007US20070268139 Methods and Apparatus for Identification of Container Contents Based on Radio Frequency Identification Technology
11/22/2007US20070268113 Detunable Rf Tags
11/21/2007EP0937353A4 Routing in a multi-layer distributed network element
11/20/2007US7298343 RFID tag with enhanced readability
11/20/2007US7298330 RFID tag with enhanced readability
11/20/2007US7298272 Remote detection employing RFID
11/20/2007US7298270 IC tag administration device, robot including the IC tag administration device, and IC tag administration method
11/20/2007US7298243 Radio frequency identification system with privacy policy implementation based on device classification
11/15/2007WO2007131093A2 Wireless autonomous device data transmission
11/15/2007WO2007044129A3 Method and apparatus for avoiding radio frequency identification (rfid) tag response collisions
11/15/2007WO2007005135A3 Multi-reader coordination in rfid system
11/15/2007US20070262872 Multistatic antenna configuration for radio frequency identification (rfid) systems
11/15/2007US20070262870 Tag communication system, interference preventing method and tag communication controller
11/15/2007US20070262852 Authentication method, authentication system, and tag device thereof, data reference client, authentication server, and data server
11/15/2007US20070262851 Methods and apparatuses to identify devices
11/15/2007US20070262850 Electronic Security Seal
11/15/2007US20070262849 Active/Passive Coupled Radio Frequency Identification (RFID) System
11/14/2007EP1854043A2 Method for rf card detection in a contactless system
11/14/2007CN200976609Y Hand-shaking generation interphone
11/13/2007US7295108 Active RFID tag utilizing a secondary communication mode
11/13/2007US7295101 User interface systems
11/08/2007WO2007126571A2 Token passing protocol rfid systems
11/08/2007WO2007126486A2 System and method for identification of process components
11/08/2007WO2007027885A3 Quarter wave phase shifted diode detector circuit
11/08/2007US20070258535 Wireless autonomous device data transmission
11/08/2007US20070257776 Verification of singulated RFID tags by RFID readers
11/08/2007US20070257775 Identification system and identification method
11/07/2007EP1852804A2 Rectifier circuit radio communication device
11/01/2007WO2007081370A8 System and method for wirelessly determining fluid volume
11/01/2007WO2006130421A3 Automatic mode detection in a dual operating mode rfid tag
11/01/2007US20070252691 Sensor system including multiple radio frequency identification tags
11/01/2007US20070252687 Method and apparatus for improving the efficiency and accuracy of rfid systems
11/01/2007US20070252678 Method and Apparatus for Tele-Toll Payment
11/01/2007US20070252677 Method and apparatus for improving the efficiency and accuracy of rfid systems
11/01/2007US20070252676 Mobile RFID reader system and method
10/2007
10/30/2007US7289015 Method for efficiently querying and identifying multiple items on a communication channel
10/25/2007US20070250452 Apparatus for an automotive data control, acquisition and transfer system
10/25/2007US20070248188 Method for modulating a signal
10/25/2007US20070247311 Carrierless RFID system
10/25/2007US20070247287 Method and apparatus for programming a transponder
10/25/2007US20070247286 RFID tag receive signal strength indicator
10/25/2007US20070247285 Measuring Device Activated At Inspection Rounds For Condition Monitoring Of Rotating Machinery
10/25/2007US20070247284 Column based antenna array employing antenna field shaping for use in the automatic determination of network cable connections using RFID tags
10/25/2007US20070247283 Method for Manufacturing a Communication Device of a Radio Frequency Identification System and Related Apparatus
10/24/2007CN101060365A Bidirectional common frequency and broadcasting system for wireless same-frequency link mode
10/23/2007US7286043 System and method for inventorying multiple remote objects
10/23/2007US7286042 Passive communication device and passive access control system
10/23/2007US7286041 Maintenance of an anticollision channel in an electronic identification system
10/23/2007US7286040 Cooperative vehicular identification system
10/18/2007WO2007117828A2 Rfid tag receive signal strength indicator
10/18/2007WO2006116084A3 System and method for implementing virtual frid tags
10/18/2007US20070241906 Methods and apparatus for an RFID system with multi-antenna zones
10/18/2007US20070241902 Radio frequency identification (RFID) systems and methods
10/18/2007US20070241865 Wireless IC tag with counter, and information management system
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