| 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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| 02/12/2014 | CN203435109U Underground mine real-time communication system |
| 02/12/2014 | CN203434657U Active hand microphone and mobile terminal configured with same |
| 02/12/2014 | CN203433808U Voice collecting system of medical imaging equipment |
| 02/12/2014 | CN103581455A Apparatus of electro-installation and/or building management systems and/or door communication |
| 02/11/2014 | US8648699 Item tracking system and arrangement |
| 02/11/2014 | US8648698 Method and system for radio frequency identification tag using reduced set communication protocol |
| 02/05/2014 | CN103559883A Cabin interphone starting method based voice frequency domain fingerprint |
| 02/04/2014 | US8643491 Articles containing chipless radio frequency identification elements |
| 02/04/2014 | US8643476 Dynamic labeling of patch panel ports |
| 02/04/2014 | US8643475 Radio frequency identification secret handshakes |
| 02/04/2014 | US8643474 Computer with RFID interrogator |
| 02/04/2014 | US8643473 Signal processing apparatus and signal processing method |
| 02/04/2014 | US8643472 Locating a backscatter-based transponder |
| 02/04/2014 | US8643471 Method and system for state encoding |
| 02/04/2014 | US8643470 Semiconductor integrated circuit, IC card mounted with the semiconductor integrated circuit, and operation method for the same |
| 01/30/2014 | WO2014018714A1 System and method for tracking bank notes |
| 01/30/2014 | WO2014015384A1 Improved animal tag |
| 01/30/2014 | US20140032396 System and method for tracking bank notes |
| 01/28/2014 | US8638709 Methods and apparatus for conducting financial transactions |
| 01/28/2014 | US8638196 Adapting coil voltage of a tag to field strength |
| 01/28/2014 | US8638194 Multiple radio frequency identification (RFID) tag wireless wide area network (WWAN) protocol |
| 01/28/2014 | US8638193 Electronic UHF radiofrequency identification for a constraining environment |
| 01/28/2014 | US8638192 Monitoring network system |
| 01/28/2014 | US8638191 Wireless hand-control of device by means of wireless button |
| 01/22/2014 | CN203406980U Visual intercom terminal upgraded from non-visual intercom terminal based on splicing and combining technology |
| 01/22/2014 | CN203406965U Commercially available DVR additionally arranged duplex voice intercommunication device |
| 01/22/2014 | CN203405916U Ladder port machine with function of fault voice prompt |
| 01/22/2014 | CN103533462A Call transferring method and device based on conventional interphone communication system |
| 01/22/2014 | CN103533461A Signal input frequency selector for FM interphone |
| 01/22/2014 | CN103532580A Frequency selector of frequency modulation interphone |
| 01/22/2014 | CN103522956A Handheld radio docking station and application structure thereof |
| 01/21/2014 | US8634401 Method for data communication between a base station and a transponder |
| 01/21/2014 | US8634338 Methods and apparatus for conducting financial transactions |
| 01/21/2014 | US8633821 Dual use RFID/EAS device |
| 01/21/2014 | US8633807 RF tag reader and writer |
| 01/21/2014 | US8633806 Two directional information flow in real time location sensing RFID networks |
| 01/21/2014 | US8633805 Systems and methods to determine motion parameters using RFID tags |
| 01/21/2014 | US8633804 RFID system with RFID readers and operating method thereof |
| 01/21/2014 | US8633803 Apparatus and method for locating RFID tag |
| 01/15/2014 | CN203397506U Engineering machine and remote controller thereof |
| 01/15/2014 | CN103517160A China regional satellite communication navigation talkback handheld terminal |
| 01/15/2014 | CN103516706A Intelligent home talkback device and calling method and device thereof |
| 01/14/2014 | US8629764 Method and apparatus for power management for a radio frequency identification system |
| 01/14/2014 | US8629763 RFID transponder with improved wake pattern detection and method |
| 01/14/2014 | US8629762 Radio frequency identification tag location estimation and tracking system and method |
| 01/14/2014 | US8629761 Selection of an IMD by means of directional antenna |
| 01/14/2014 | US8629760 Signal conversion device, radio frequency identification (RFID) tag, and method for operating the RFID tag |
| 01/14/2014 | US8629759 RFID transponder with PLL |
| 01/14/2014 | US8629757 Processing system for portable electronic apparatus, portable electronic apparatus, and processing apparatus for portable electronic apparatus |
| 01/09/2014 | WO2014005413A1 Wireless control hand microphone |
| 01/08/2014 | CN203387630U Building intercom system based on IP technology and IMS network |
| 01/08/2014 | CN203387576U Sound control circuit and industrial talkback terminal with same |
| 01/08/2014 | CN203387507U Mobile information transforming system |
| 01/07/2014 | US8624712 Reader control system |
| 01/07/2014 | US8624711 Radio frequency identification device operating methods, radio frequency identification device configuration methods, and radio frequency identification devices |
| 01/07/2014 | US8624710 System and method for interrogation radio-frequency identification |
| 01/07/2014 | US8624708 Item positioning system and method thereof |
| 01/07/2014 | US8624705 Security system for containers |
| 01/01/2014 | CN203377995U Stair entrance machine capable of generating 16 chord ringtones |
| 01/01/2014 | CN203377974U Data communication and power supply multiplexing device |
| 01/01/2014 | CN203377877U Multi-people intercommunication device based on bluetooth |
| 12/31/2013 | US8620485 Electrical tagging device |
| 12/31/2013 | US8618916 Automatic mode detection in a dual operating mode RFID tag |
| 12/31/2013 | US8618915 Apparatus and method for integrating a transmitting device and a battery pack |
| 12/31/2013 | US8618914 MEMS sensor enabled RFID system and method for operating the same |
| 12/31/2013 | US8618913 Radio frequency identification enabled mobile device |
| 12/25/2013 | EP2676456A2 System and method for tracking pipe activity on a rig |
| 12/25/2013 | CN203368677U A vehicle-used double-cab real-time intercom system |
| 12/25/2013 | CN203368676U Indoor set of visible dialogue system based on broadband power line carrier |
| 12/25/2013 | CN203368675U Community intercom call repeater |
| 12/25/2013 | CN203368674U Long-distance multi-point community emergency call intercom system |
| 12/25/2013 | CN203368673U Community emergency call intercom system applying industrial personal computer |
| 12/25/2013 | CN203368672U New type community emergency call intercom system |
| 12/25/2013 | CN203368671U Voice intercom control and management device for oiling machine |
| 12/25/2013 | CN203368670U Voice intercom wireless control and management device for oiling machine |
| 12/25/2013 | CN203368504U 远程语音会话系统 Remote voice conversation system |
| 12/25/2013 | CN203366017U Building talk-back intelligent terminal and crash restart system for same |
| 12/25/2013 | CN103475954A Long-distance intercom system and method in railway administration and control station |
| 12/24/2013 | US8614625 Adaptive media content scrubbing on a remote device |
| 12/19/2013 | US20130335196 Using touch pad to remote control home elctronics like tv |
| 12/18/2013 | CN203352632U Mobile communication terminal |
| 12/18/2013 | CN203352578U Convenient interphone |
| 12/18/2013 | CN203351047U Intelligent parking lot |
| 12/18/2013 | CN103458323A Talkback mode starting method based on voice time domain fingerprints |
| 12/18/2013 | CN103458217A Fault-isolated security building video doorphone system |
| 12/18/2013 | CN103458138A Intercom method, system and device |
| 12/18/2013 | CN103458094A Access remote control and video conversation method implemented by aid of mobile phone |
| 12/17/2013 | US8610544 Method for determining optimal frame size for tag collision prevention in RFID system |
| 12/17/2013 | US8610543 Hybrid architecture for radio frequency identification and packet radio communication |
| 12/17/2013 | US8610542 Radio frequency identification reader with variable range |
| 12/17/2013 | US8610541 Method and apparatus for monitoring a radio frequency identification network |
| 12/17/2013 | US8608088 Data carrier device |
| 12/11/2013 | CN203340242U Industrial public-address intercommunication system |
| 12/11/2013 | CN103442310A Digital hand-held radio station with double PTT button design and communication method of digital hand-held radio station |
| 12/11/2013 | CN103441774A Interphone repeater |
| 12/11/2013 | CN102340764B Mobile-phone-based intercom system and realization method |
| 12/10/2013 | US8604913 Reader control system |
| 12/10/2013 | US8604912 System and method of tracking salvaged vehicles and parts using RFID tags |
| 12/10/2013 | US8604911 Signal power mapping for detection of buried objects and other changes to the RF environment |
| 12/10/2013 | US8604910 Using syslog and SNMP for scalable monitoring of networked devices |