| 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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| 10/15/2013 | US8558666 Location detection |
| 10/09/2013 | CN103345141A Wireless remote control watch for bed call bell |
| 10/08/2013 | US8555363 Authenticating a user of a system using near field communication |
| 10/08/2013 | US8554333 Adaptable communication sensitivity for an implantable medical device |
| 10/08/2013 | US8552870 Wireless IC device |
| 10/08/2013 | US8552840 Product managing apparatus and control method |
| 10/08/2013 | US8552839 Method and apparatus for managing radio frequency identification (RFID) tags |
| 10/08/2013 | US8552838 Passive wireless system |
| 10/08/2013 | US8552837 Data transmission method and apparatus in RFID and remote sensor systems |
| 10/08/2013 | US8552836 System and method for coupling a component to a vehicle |
| 10/08/2013 | US8552756 Chip testing apparatus and testing method thereof |
| 10/02/2013 | CN203225849U TDD digital interphone system |
| 10/02/2013 | CN203225848U Interphone |
| 10/02/2013 | CN103338087A Automatic talkback sending system for receiving and dispatching train |
| 10/02/2013 | CN102201838B Elevator voice intercom system |
| 10/01/2013 | US8547243 Electronic toll collection transponder orientation device and method |
| 10/01/2013 | US8547232 Method and apparatus for transferring data via radio frequency (RF) memory tags |
| 10/01/2013 | US8547207 RFID converter module |
| 10/01/2013 | US8547206 Apparatus, method and program for detecting direction of noncontact IC medium and computer-readable recording medium having the program recorded thereon |
| 10/01/2013 | US8547205 Anonymous authentication method based on pre-shared cipher key, reader-writer, electronic tag and system thereof |
| 10/01/2013 | US8547202 RFID tag and operating method thereof |
| 09/26/2013 | US20130249811 Controlling a device with visible light |
| 09/25/2013 | CN203219453U Network sound amplification talkback system station |
| 09/25/2013 | CN203208251U Video screen type bedhead calling device |
| 09/25/2013 | CN103326937A Intelligent gateway equipment based on multi-network integration and community management intercom system |
| 09/24/2013 | US8542104 RFID edge server having a programmable logic controller API |
| 09/24/2013 | US8542103 Radio frequency identification reading by using error correcting codes on sets of tags |
| 09/24/2013 | US8542099 Systems and processes for tracking items |
| 09/18/2013 | CN203206413U Wireless interphone based on Z-Wave technology |
| 09/18/2013 | CN203206412U Interphone system integrating video, audio and radio frequency |
| 09/18/2013 | CN203204760U Building intercom system with fire alarm function |
| 09/18/2013 | CN103313147A Building intercom system with advertising release function |
| 09/18/2013 | CN103313146A Interphone device with positioning function |
| 09/18/2013 | CN103308887A Method for establishing location map in walkie-talkie device |
| 09/17/2013 | US8537016 Devices and methods for protecting a packaged radio frequency identification device from electronic reading |
| 09/17/2013 | US8537007 Autoaccreting database for EAS-RF applications |
| 09/17/2013 | US8536983 Underwater RFID arrangement for optimizing underwater operations |
| 09/17/2013 | US8536982 Automatic tuning for RFID systems by changing capacitor values in case of an error |
| 09/12/2013 | WO2013134620A1 Automated operator-equipment pairing system and method |
| 09/11/2013 | CN203193820U A wireless interphone equipped with a positioning function |
| 09/11/2013 | CN203193819U A wireless interphone equipped with an identification function |
| 09/11/2013 | CN203193790U A single police law enforcement video-audio recorder having multiple sensing functions |
| 09/11/2013 | CN103297603A Interphone device with mobile communication function |
| 09/10/2013 | US8531274 Method for establishing a wireless communication connection between an automation component and a mobile operating terminal |
| 09/10/2013 | US8531272 RFID apparatus, wireless network platform, and operating method thereof |
| 09/10/2013 | US8531271 RFID carrier sensing method and RFID system using this RFID carrier sensing method |
| 09/10/2013 | US8531268 Passive entry system for an automotive vehicle |
| 09/04/2013 | CN203181093U IOT-based digital video intercom system |
| 09/04/2013 | CN103281597A Intelligent movable building talk-back indoor machine |
| 09/03/2013 | US8525649 Intelligent bail |
| 09/03/2013 | US8525648 Backscatter passive wireless controller with IMD frequency coding |
| 09/03/2013 | US8525647 Measurement system, measurement method and new use of antenna |
| 09/03/2013 | US8525646 Miniature RFID tag |
| 09/03/2013 | US8525645 Method of recognizing RFID tag for the purpose of preventing throughput inversion and RFID reader performing the same |
| 08/29/2013 | US20130222113 Reflector-backed rfid slot antenna with a cosecant-squared-like radiation pattern |
| 08/29/2013 | US20130221098 Rfid reading terminal with directional antenna |
| 08/28/2013 | CN203167175U DMR interphone based on RDA1846S as radio-frequency circuit |
| 08/28/2013 | CN203167174U Intelligent digital building system with built-in Femtocell and TD Femto |
| 08/28/2013 | CN203167131U Building intercommunication system for realizing monitoring linkage function |
| 08/28/2013 | CN203167073U Mobile terminal with talkback function |
| 08/28/2013 | CN203166905U DMR digital interphone supporting same-and-different frequency relay forwarding |
| 08/28/2013 | CN203166904U Radio-frequency circuit of FDMA digital interphone |
| 08/27/2013 | US8519828 Pneumatic fender management system |
| 08/27/2013 | US8519827 Method of generating activation code for radio frequency identification tag |
| 08/27/2013 | US8519826 Tag having a semiconductor chip and method of attachment to article |
| 08/27/2013 | US8519824 Customizable service space |
| 08/22/2013 | WO2013123130A1 Rfid user input device with one or more integrated circuits for use with an rfid system |
| 08/21/2013 | CN203151692U Portable interphone |
| 08/21/2013 | CN103260093A Novel multifunctional interphone |
| 08/21/2013 | CN102201877B Method and apparatus for testing air interface of TTCN (Testing and Test Control Notation)-3-based digital interphone |
| 08/20/2013 | US8515070 Access control for implanted medical devices |
| 08/20/2013 | US8514084 Cooking system and controlling method for the same |
| 08/20/2013 | US8514081 Systems and methods for object localization and path identification based on RFID sensing |
| 08/20/2013 | US8514060 Wireless identification tag |
| 08/20/2013 | US8514059 Transponder holder for controlling the operation of a transponder |
| 08/20/2013 | US8514058 Construction equipment component location tracking |
| 08/15/2013 | US20130207784 Method and apparatus for cabinet asset management, and cabinet system |
| 08/14/2013 | CN203136081U Interphone with lighting function |
| 08/14/2013 | CN203136080U Novel mine working surface wireless communication control device |
| 08/14/2013 | CN203136079U Device capable of performing adaptive baud rate one-way communication |
| 08/14/2013 | CN203136065U Back-carried monitoring device of wireless transmission multi-channel video |
| 08/14/2013 | CN103248968A Talkback device and interlayer device and system for building paging |
| 08/14/2013 | CN103248967A Audio-video-position evidence obtaining intercom system terminal |
| 08/14/2013 | CN103248391A Digital DMR interphone using digital frequency synthesizer as local oscillator |
| 08/13/2013 | US8508378 System and method for extending the battery life in inventory control devices |
| 08/13/2013 | US8508368 Disposable sensing device having radio frequency based sensor |
| 08/13/2013 | US8508344 Information registering apparatus and information registering method |
| 08/13/2013 | US8508343 Reader control system |
| 08/13/2013 | US8508342 Transmitting / receiving antenna and transmitter / receiver device using the same |
| 08/13/2013 | US8508341 Adaptive communication in an electronic toll collection system |
| 08/13/2013 | US8508334 Inductive coupling exchange in a portable intelligent object with central and peripheral circuits |
| 08/13/2013 | US8508333 Automatic parking station system for cycles and bicycles |
| 08/07/2013 | CN203120092U Connecting system of law enforcement recorder and interphone and connecting wire thereof |
| 08/07/2013 | CN203120091U A split emergency calling system |
| 08/07/2013 | CN203120048U Building cable-sharing visible dialogue system |
| 08/07/2013 | CN103237273A Digital signal transmission equipment, system and broadcasting interphone |
| 08/07/2013 | CN103237141A Conversation control method, relevant equipment and communication system |
| 08/07/2013 | CN103236872A Communication terminal, communication device and communication system |
| 08/06/2013 | US8502650 Temporary non-responsive state for RFID tags |
| 08/06/2013 | US8502646 Article management apparatus and its system |