| 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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| 08/06/2013 | US8502645 RFID monitoring system |
| 08/06/2013 | US8500005 Method and system for surveying using RFID devices |
| 08/01/2013 | US20130194076 Process Monitoring System and Related Method |
| 07/31/2013 | CN203104693U Building conversational differential data transmission circuit |
| 07/31/2013 | CN203087593U Communication face mask |
| 07/31/2013 | CN103227965A Android intercom system based on WiFi network |
| 07/31/2013 | CN102123328B Networking-based wireless intercom system and implementing method thereof |
| 07/31/2013 | CN101820295B Communication system capable of being compatible with digital communication system and analog communication system and communication method |
| 07/30/2013 | US8499141 Multi-socket server management with RFID |
| 07/30/2013 | US8497765 Apparatus for communicating with RFID tag |
| 07/30/2013 | US8497764 Position transmitter system |
| 07/30/2013 | US8497763 Data carrier and data carrier system |
| 07/30/2013 | CA2630993C Methods and apparatus for reducing power consumption of an active transponder |
| 07/24/2013 | CN203086635U Calling system based on multifunctional wireless calling device ornament |
| 07/24/2013 | CN203086634U Insert for interphone |
| 07/24/2013 | CN203086633U Intelligent digital building intercom system with build-in AP |
| 07/24/2013 | CN203086467U Four-line system indoor machine off hook detection circuit |
| 07/24/2013 | CN203086453U Necklace interphone |
| 07/24/2013 | CN103220022A Hybrid talkback method and system |
| 07/23/2013 | US8493601 Techniques for performing actions based upon physical locations of paper documents |
| 07/23/2013 | US8493187 Wireless sensor reader |
| 07/23/2013 | US8493186 Reading device, computer program product and reading system |
| 07/23/2013 | US8493184 Method for remote measuring of a physical variable |
| 07/23/2013 | US8493183 Wireless tag and method for producing wireless tag |
| 07/23/2013 | US8493182 Phase ranging RFID location system |
| 07/23/2013 | US8493181 Sensor tag, sensor tag device, power receiving circuit, and sensor tag device power supply method |
| 07/23/2013 | US8493180 Radio system for sensing applications |
| 07/23/2013 | US8493174 Apparatus for instantaneous translation of sign language |
| 07/18/2013 | US20130181819 Physical tag-based subscription services |
| 07/17/2013 | CN103209226A Frequency conversion circuit for remote low-power-consumption high-sensitivity low-distortion interphone |
| 07/16/2013 | US8488581 Methods and apparatus for conducting financial transactions |
| 07/16/2013 | US8487747 Method and system for controlling the traffic flow through an RFID directional portal |
| 07/16/2013 | US8487746 Jump rope training apparatus, method, and system |
| 07/16/2013 | US8487745 Semiconductor device |
| 07/16/2013 | US8487744 Remotely monitoring field assets |
| 07/16/2013 | US8485387 Storage container including multi-layer insulation composite material having bandgap material |
| 07/11/2013 | US20130177879 Wireless processing system and method |
| 07/10/2013 | CN203057388U Intelligent digital building intercommunication system with built-in LTE Femtos |
| 07/10/2013 | CN203057260U Explosion-proof type intercommunication handset |
| 07/10/2013 | CN103200536A Mine vehicle-mounted voice talkback device |
| 07/10/2013 | CN103200465A Interphone working method and interphone |
| 07/10/2013 | CN103200384A Digital visual intercom system based on Internet of things (IOT) |
| 07/10/2013 | CN102149023B Window interphone with wireless talkback function |
| 07/09/2013 | US8483956 Portable electronic device with guide function |
| 07/09/2013 | US8482412 Data interface process with RFID data reader glove |
| 07/09/2013 | US8482389 Reader control system |
| 07/09/2013 | US8482388 Authentication of a terminal by an electromagnetic transponder |
| 07/09/2013 | US8482386 Active transponder with very low electric power consumption in standby mode |
| 07/09/2013 | US8482385 System for detecting and communicating with RFID memory devices |
| 07/03/2013 | CN203039833U Device automatically forwarding computer speech to wireless intercom |
| 07/03/2013 | CN103188576A Analog interphone digitization achieving device |
| 07/03/2013 | CN103187669A Interphone and connector thereof |
| 07/03/2013 | CN101977334B Single-soldier backpack emergency communication system |
| 07/02/2013 | US8477045 Configuration information provided to configurable electronic device residing in a shipping box |
| 07/02/2013 | US8477018 Rotation-activated electronic component with time-limited use |
| 07/02/2013 | US8477017 Method, system, and integrated circuit for communication in RFID or remote sensor systems |
| 07/02/2013 | US8477016 Method for identifying tags using adaptive binary tree splitting technique in RFID system and RFID system therefore |
| 07/02/2013 | US8477015 System and method for using an input data signal as a clock signal in a RFID tag state machine |
| 06/27/2013 | US20130162400 Systems, methods, and interfaces for utilizing two dimensional codes for print currentness |
| 06/26/2013 | CN103179470A Multifunctional digital fire fighting and rescue site charge terminal |
| 06/25/2013 | US8471708 RFID tags and readers employing QT command to switch tag profiles |
| 06/25/2013 | US8471685 Non-contact IC card system |
| 06/25/2013 | US8471684 System and method for tracking items associated with read/writable tags |
| 06/25/2013 | US8471683 Multilane vehicle tracking system |
| 06/25/2013 | US8471681 Transport and storage unit having an identification unit and a reading unit |
| 06/20/2013 | US20130154809 Method and apparatus for locating an item within a radio frequency identification monitored area |
| 06/19/2013 | CN203015123U Portable emergency command system |
| 06/19/2013 | CN203015057U Medical call intercom system |
| 06/19/2013 | CN103166946A Video-audio access control intercom system and method |
| 06/19/2013 | CN103166889A Digital interphone signal demodulation device and chip |
| 06/18/2013 | US8466777 Target object detection server |
| 06/18/2013 | US8466776 Extended range passive wireless tag system and method |
| 06/18/2013 | US8466775 Electronic label authenticating method and system |
| 06/12/2013 | CN202998498U Small mobile base station equipment for interphone |
| 06/12/2013 | CN202998375U GPS multifunctional interphone |
| 06/12/2013 | CN202998374U Fixed conversation device used in workshop production line |
| 06/12/2013 | CN202998085U A vehicle station hand microphone |
| 06/12/2013 | CN103152656A Computer voice automatic retransmission method in wireless talkback |
| 06/12/2013 | CN103152655A Cellular voice monitoring system |
| 06/12/2013 | CN103152334A Method for remotely opening door by building intercom system using speech recognition of management platform |
| 06/11/2013 | US8463185 Wireless communication system using surface acoustic wave (SAW) second harmonic techniques |
| 06/11/2013 | US8461995 Displaying advertisements based on electronic tags |
| 06/11/2013 | US8461994 RF receiver and RFID/USN system having the same |
| 06/11/2013 | US8461993 Wireless systems having multiple electronic devices and employing simplified fabrication and matching, and associated methods |
| 06/11/2013 | US8461967 Device and method for analysing radio-frequency systems |
| 06/11/2013 | US8461966 Systems and methods to determine kinematical parameters using RFID tags |
| 06/11/2013 | US8461965 Portable radio frequency identification (RFID) reader |
| 06/11/2013 | US8461964 Communications patching systems with radio frequency identification antenna switching circuits |
| 06/11/2013 | CA2601691C Autonomous interrogating transponder for direct communications with other transponders |
| 06/06/2013 | US20130141216 Handheld device and method for controlling electronic device |
| 06/05/2013 | CN202979283U Medical intercom system |
| 06/05/2013 | CN202979208U Setting-free building intercommunication device |
| 06/05/2013 | CN202979207U Setting-free building wireless communication device |
| 06/05/2013 | CN202979206U Multifunctional intercommunication base |
| 06/05/2013 | CN202979159U Video monitoring and wireless talkback signal covering system for high-rise building construction |
| 06/05/2013 | CN202979154U Building intercommunication system based on electric power communication technology |
| 06/05/2013 | CN202979148U Building intercommunication indoor set with WIFI router function |
| 06/05/2013 | CN202978925U VHF and UHF frequency range interconnected digital analog converter |
| 06/05/2013 | CN202978923U Call terminal for wireless call service system of store |
| 06/05/2013 | CN202973032U Multifunction field tool |