Patents for H04Q 5 - Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange (6,717) |
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06/21/2007 | US20070139161 Id detection device and id detection method |
06/21/2007 | US20070139160 Radio frequency identification transponder |
06/21/2007 | US20070139159 Clock generation circuit |
06/19/2007 | US7233242 Arrangement and method for setting a transmit power |
06/14/2007 | WO2007067427A2 System integration of rfid and mimo technologies |
06/14/2007 | WO2007067374A2 Method and system for optimizing radio frequency identification (rfid) reader operation |
06/14/2007 | WO2006088769A3 Identification system |
06/14/2007 | US20070132590 Id tag |
06/14/2007 | US20070132588 Data storing apparatus and method for RFID tags with sensors |
06/14/2007 | US20070132587 Time domain embedding of application information in an RFID response stream |
06/14/2007 | US20070132557 RFID device having a nonvolatile ferroelectric memory |
06/14/2007 | US20070132556 Radio frequency identification transponder |
06/14/2007 | US20070132555 Ultra low frequency tag and system |
06/12/2007 | US7231028 Method and system for the management of subscriber functions |
06/12/2007 | US7230534 Method and system for identifying lost or stolen devices |
06/12/2007 | US7230520 Method and apparatus for RF access to system ID and fault information |
06/07/2007 | WO2007064824A2 Merchandise marking with programmable transponders |
06/07/2007 | WO2007033343A3 Systems and methods for an rf nulling scheme in rfid |
06/07/2007 | US20070127406 Enhancing mobile multiple-access communication networks |
06/07/2007 | US20070126586 Wireless tag adjusting method, wireless tag adjusting system, and wireless tag |
06/07/2007 | US20070126585 System integration of RFID and MIMO technologies |
06/07/2007 | US20070126582 Dual bit encoding / decoding of RFID signal |
06/07/2007 | US20070126558 Adaptive control for improved RFID transponder read and write performance |
06/07/2007 | US20070126557 Method and device for contactless trasmission of data from a number of data carriers, preferably in the form of RFID-tags |
06/07/2007 | US20070126556 Printed radio frequency identification (RFID) tag using tags-talk-first (TTF) protocol |
06/07/2007 | US20070126555 Method and system for optimizing radio frequency identification (RFID) reader operation |
06/07/2007 | US20070126554 Multiple RFID reader system and method for controlling multiple RFID readers in the same |
06/07/2007 | US20070126553 Power control method for mobile RFID reader and RFID reader using the same |
06/07/2007 | US20070125837 Method for processing reception call in mobile RFID service, and a wireless communication terminal employing the same |
06/05/2007 | US7227449 Multiple protocol smart card communication device |
05/31/2007 | WO2007030814A3 Rf meter reading network with wake-up tone calibrated endpoints |
05/31/2007 | WO2006122120A3 Rfid device including multiple rfid tags |
05/31/2007 | WO2006107536A3 Method and system for rf activation of rf interrogators |
05/31/2007 | WO2006101998A3 System and method for rfid reader operation |
05/31/2007 | WO2006093992A3 Mobile portal for rfid applications |
05/31/2007 | US20070120677 Rfid system including peak detector |
05/31/2007 | US20070120676 Rfid system including threshold adjuster |
05/31/2007 | US20070120674 Information-processing apparatus wireless communication system and wireless communication method |
05/31/2007 | US20070120651 RFID tag system and data processing method executed by RFID tag system |
05/31/2007 | US20070120650 Radio-frequency tag communication device, radio-frequency tag communication system, and radio-frequency tag detecting system |
05/31/2007 | US20070120649 Method and apparatus for dynamically-tuned communication with one among myriad tags |
05/31/2007 | US20070120648 Method and apparatus for detecting end of response signal on radio frequency identification tag |
05/31/2007 | US20070120647 Radio frequency identification data processing system |
05/30/2007 | CN2907138Y Plug and play structure of indoor unit of building interphone system |
05/29/2007 | US7224712 Interrogator and tag of wireless communication system |
05/29/2007 | US7223320 Method and apparatus for expanding a semiconductor wafer |
05/24/2007 | WO2007011493A3 Digital certificate on connectors and other products using rfid tags and/or labels as well as rfid reader/interrogator |
05/24/2007 | US20070115126 Methods and apparatus for identifying electronic shelf labels with which communication has been lost |
05/24/2007 | US20070115115 System and method for lot based processing and tracking in a container security system using wireless communications |
05/24/2007 | US20070115098 Rfid system including tags having low rf scattering mode |
05/23/2007 | CN2904516Y Whistling position intelligent speech alarm talkback set |
05/22/2007 | US7221697 Received radio wave transmission equipment and mobile body identification system |
05/22/2007 | US7221259 Electronic label interrogation through incidental electromagnetic radiation |
05/22/2007 | US7221258 Hierarchical electronic watermarks and method of use |
05/22/2007 | US7221257 Wireless communication devices, radio frequency identification devices, methods of forming a wireless communication device, and methods of forming a radio frequency identification device |
05/18/2007 | WO2007035609A3 Radio frequency identification system |
05/18/2007 | WO2006119442A3 Rfid tag with small aperture antenna |
05/17/2007 | US20070109103 Commercial product activation and monitoring using radio frequency identification (RFID) technology |
05/17/2007 | US20070109102 Modulator and modulation method for a wireless data transmission device |
05/17/2007 | US20070109101 Electronically Switchable RFID Tags |
05/17/2007 | US20070109100 Methods and systems for automatic device provisioning in an RFID network using IP multicast |
05/17/2007 | US20070109099 Method and system for distance determination of rf tags |
05/17/2007 | US20070109098 System for providing network access security |
05/15/2007 | US7218204 Contactless IC card |
05/10/2007 | US20070103274 Radio frequency identification (RFID) system that meets data protection requirements through owner-controlled RFID tag functionality |
05/10/2007 | US20070103273 Short-distance ranging system |
05/10/2007 | US20070103272 Configurable RFID apparatus and process |
05/08/2007 | US7215251 Method and apparatus for controlled persistent ID flag for RFID applications |
05/08/2007 | US7215239 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 |
05/08/2007 | US7215238 Combined garage door and keyless entry fob |
05/03/2007 | WO2007050508A2 Vehicle restraining system |
05/03/2007 | US20070096883 Apparatus and method for modifying RFID tag data in portable terminal |
05/03/2007 | US20070096882 Sensor based selection of radio frequency identification tags |
05/03/2007 | US20070096881 System and method of enhancing range in a radio frequency identification system |
05/03/2007 | US20070096880 RFID system and RFID chip equipped with sensor function |
05/03/2007 | US20070096879 Wireless tag system |
05/03/2007 | US20070096878 Transceiver, modulation integrated circuit, and RFID reader/writer |
05/03/2007 | US20070096877 Method for estimating number of tags in slotted aloha-based RFID system |
05/03/2007 | US20070096876 Adaptive RFID devices |
05/03/2007 | US20070096875 Radio tag and system |
05/03/2007 | US20070096874 Distributed RFID interrogation system and method of operating the same |
05/02/2007 | EP1779680A2 Rfid tag data acquisition system |
05/02/2007 | EP1779679A2 Radio-frequency-device personalization |
04/26/2007 | WO2007025061A3 Coherent multichip rfid tag and method and appartus for creating such coherence |
04/26/2007 | WO2006010076A3 Multi-protocol or multi-command rfid system |
04/26/2007 | US20070090928 Tire pressure monitoring system plant learning |
04/26/2007 | US20070090927 Chemical and biological sensors, systems and methods based on radio frequency identification |
04/26/2007 | US20070090926 Chemical and biological sensors, systems and methods based on radio frequency identification |
04/26/2007 | US20070090925 Radio communication system |
04/26/2007 | US20070090924 System and method for synchronization of data streams |
04/26/2007 | CA2622738A1 Data exchange systems and methods employing rf data transmission |
04/25/2007 | CN2894100Y Intercom inserting device for telephone conference system |
04/24/2007 | US7209040 Homodyne RFID receiver and method |
04/24/2007 | US7209030 Noise alarm timer function for three-axis low frequency transponder |
04/19/2007 | WO2007044653A1 System and method for detecting radio circuits using intermodulation distortion |
04/19/2007 | WO2007044129A2 Method and apparatus for avoiding radio frequency identification (rfid) tag response collisions |
04/19/2007 | WO2006133115A3 Method and apparatus for determining the direction of movement of rfid tags and for creating constant-width interrogation zones |
04/19/2007 | US20070088782 Storage and Playback of Media Files |
04/19/2007 | US20070088781 Storing and Accessing Media Files |
04/19/2007 | US20070085688 Expanded compatibility rfid tags |