| 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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| 06/25/2014 | EP2745532A1 A dual-channel analog door entry system and a method thereof |
| 06/25/2014 | CN203675253U 一种新型五方对讲系统的主控装置 A new five-party master device intercom system |
| 06/25/2014 | CN103888855A 支持传统集群对讲和公网对讲并发的移动终端对讲系统 Support traditional cluster intercom and public speaking concurrent mobile terminal intercom system |
| 06/25/2014 | CN103888854A 访客对讲系统 Visitors intercom system |
| 06/25/2014 | CN103888728A 楼宇可视对讲系统及其方法 Building visual intercom system and method |
| 06/24/2014 | US8761149 Method for data communication between a base station and a transponder |
| 06/24/2014 | US8760262 Method of automatically programming a load control device using a remote identification tag |
| 06/24/2014 | US8760261 Devices employing fast carrier cancellation and methods thereof |
| 06/24/2014 | US8760260 Method for tracking cyclical procedures performed on personal protection equipment |
| 06/19/2014 | WO2014092921A1 Communication eyewear assembly with safety capability zone |
| 06/19/2014 | WO2014089885A1 Audio sampling controlling method of interphone and interphone |
| 06/19/2014 | US20140167925 Automatic mode detection in a dual operating mode rfid tag |
| 06/19/2014 | US20140167917 Disease Mapping and Infection Control System and Method |
| 06/18/2014 | CN203661053U 一种多媒体多频段可同时接收模拟和数字信号的对讲机 A multimedia multi-band analog and digital signals can be received simultaneously interphone |
| 06/18/2014 | CN203661051U 基于单总线半双工语音对讲装置 Based on a single bus half-duplex voice intercom |
| 06/18/2014 | CN103873715A Multifunctional telephone monitoring alarm equipment |
| 06/18/2014 | CN103873526A Data network-based intercommunication method and equipment |
| 06/18/2014 | CN103873097A Calling terminal of wireless calling service system for shopping place |
| 06/17/2014 | US8754754 Method and apparatus for wireless management of articles |
| 06/17/2014 | US8754753 Resistive and capacitive modulation in an electromagnetic transponder |
| 06/17/2014 | US8754752 RFID location systems and methods |
| 06/17/2014 | US8754751 RFID based system and method for vehicle and driver verification |
| 06/17/2014 | US8754750 Vehicle mounted directionally focused tolling device enclosure |
| 06/17/2014 | US8754749 RFID tags with CDMA communication capabilities |
| 06/17/2014 | US8754748 RFID wireless scanning system for non-RFID mobile devices, and related operating methods |
| 06/11/2014 | CN203645791U 一种基于总线方式实现多路同步并发通信的对讲系统 An approach based on multi-channel synchronous bus intercom system concurrent communication |
| 06/11/2014 | CN103856835A Multifunctional wireless calling and speaking console for MRI system |
| 06/11/2014 | CN103856834A Digital intercom communication system |
| 06/11/2014 | CN103856603A Method, device and system of controlling mobile phone talkback based on GPS position information |
| 06/10/2014 | US8751693 Apparatus for and method of processing data |
| 06/10/2014 | US8749357 Method of de-activating and activating an electronic article surveillance (EAS) device, and an EAS device |
| 06/10/2014 | US8749356 RFID enabled drawer refrigeration system |
| 06/10/2014 | US8749355 Reader control system |
| 06/10/2014 | US8749354 RFID system and method for removing transmission leakage signal thereof |
| 06/10/2014 | US8749353 Wireless communication between two temporarily connected devices |
| 06/10/2014 | US8749352 Method for coded data transmission between a base station and at least one transponder within a wireless data transmission system |
| 06/10/2014 | US8749351 System and method for determining location |
| 06/05/2014 | WO2014082297A1 Methods for supporting multiple calls simultaneously in door entry system and system thereof |
| 06/03/2014 | US8742903 Genedrive RFID |
| 06/03/2014 | US8742902 Information processing apparatus and method, and non-contact IC card device |
| 06/03/2014 | US8742899 Methods and apparatuses to identify devices |
| 06/03/2014 | US8742898 Apparatus for removing transmission leakage signal in RFID system and RFID system having the same |
| 06/03/2014 | US8742897 Rotatable tags for automated location and monitoring of moveable objects and related systems |
| 06/03/2014 | US8742896 Steerable phase array antenna RFID tag locater and tracking system and methods |
| 06/03/2014 | US8742895 Wireless communication improving sheet, wireless communication IC tag, information transmitting medium and wireless communication system |
| 05/29/2014 | US20140145830 Locating a Backscatter-Based Transponder |
| 05/28/2014 | CN203618097U 室外机安装与拆卸结构 Installation and removal of outdoor structures |
| 05/28/2014 | CN103826169A 一种用于井下无线通讯的控制系统 Control system for underground wireless communications |
| 05/27/2014 | US8736426 Methods and apparatus for identifying and categorizing distributed devices |
| 05/27/2014 | US8736424 Systems and methods for performing secure financial transactions |
| 05/27/2014 | US8736422 Method and reader to conduct a label query in a radio frequency identification system |
| 05/27/2014 | US8736281 Sensing system and method |
| 05/21/2014 | CN203608317U 一种带放大镜的对讲机外壳 A walkie-talkie with a magnifying glass enclosure |
| 05/21/2014 | CN203608287U 电子猫眼系统 Electronic Cat Systems |
| 05/21/2014 | CN203601154U 手持电台拓展坞及其应用结构 Handheld radio and its application to expand the dock structure |
| 05/21/2014 | CN103813217A 一种控制通讯信号器 A method of controlling communication annunciator |
| 05/21/2014 | CN103813216A 实现对讲的方法及系统 Method and system for intercom |
| 05/21/2014 | CN103813032A 一种指挥调度坐席语音管理系统 One kind of dispatching agents Voice Management System |
| 05/20/2014 | US8730031 Communication system using an implantable device |
| 05/20/2014 | US8730017 Antenna, tag communication apparatus, and reader-writer system |
| 05/20/2014 | US8730015 Duplication detection for non-cryptographic RFID tags using encrypted traceability information |
| 05/20/2014 | US8730014 System and method for monitoring objects, people, animals or places |
| 05/20/2014 | US8730012 Enabling identification token for a timed period |
| 05/14/2014 | CN203596922U 便携式自组网无线对讲系统 MANET portable wireless intercom system |
| 05/14/2014 | CN103797813A 双通道模拟楼宇对讲系统及其方法 Dual Analog building intercom system and method |
| 05/14/2014 | CN103796084A 一种实现手机无线通讯的手咪及其通讯方法 An implementation of mobile wireless communications microphone in hand and communication method |
| 05/14/2014 | CN103796083A 电话式门禁对讲系统 Telephone access control intercom system |
| 05/14/2014 | CN103793961A 能实时进行身份比对的安全辨识方法 Secure identification method for real-time comparison of identity |
| 05/13/2014 | US8723654 Interrupt generation and acknowledgment for RFID |
| 05/13/2014 | US8723653 Asset identification and management method and system |
| 05/13/2014 | US8723652 Chip recognition and accounting system |
| 05/13/2014 | US8723648 Method and system for locating a hand-held terminal |
| 05/13/2014 | US8723647 RFID communication method and apparatus |
| 05/13/2014 | US8723646 Acoustic wave and radio frequency identification device and method |
| 05/13/2014 | US8723645 Data synchronization and integrity for intermittently connected sensors |
| 05/07/2014 | CN203590382U 一种测井半双工对讲系统 Logging and half-duplex intercom system |
| 05/07/2014 | CN203588350U 新型泵房控制系统 The new pumping station control system |
| 05/07/2014 | CN103780981A 一种地下有线呼叫系统 An underground cable call system |
| 05/07/2014 | CN103780980A 与手表组合的对讲机 Wrist watch walkie-talkie |
| 05/07/2014 | CN103780979A 实现对讲的方法及系统 Method and system for intercom |
| 05/07/2014 | CN103780281A 一种矿用有线对讲广播方法及装置 Wired intercom broadcast method and apparatus for mining |
| 05/07/2014 | CN102083011B 一种对讲系统及其多个主叫终端呼叫处理方法 One kind of intercom system and a plurality of call processing method for calling terminal |
| 05/06/2014 | US8718669 Tracking objects utilizing RFID tags |
| 05/06/2014 | US8717182 Mechanism and method to implement a reader mechanism for a container-based monitor of a consumable product |
| 05/06/2014 | US8717147 Passive RFID system and method |
| 05/06/2014 | US8717146 Methods and systems for integrated interrogation of RFID sensors |
| 05/06/2014 | US8717145 RFID portal system with RFID tags having various read ranges |
| 05/06/2014 | US8717144 RFID system with distributed readers |
| 04/30/2014 | CN203574791U Video intercom management device for community police office |
| 04/30/2014 | CN203574661U Underwater talkback system based on optical fiber sensing technology |
| 04/30/2014 | CN203564680U Movable fire-fighting box with calling and lighting functions |
| 04/29/2014 | US8710962 Systems and methods for programming an RFID reader |
| 04/29/2014 | US8710961 Anti-fake battery pack and identification system thereof |
| 04/23/2014 | EP2721835A1 Background object sensor |
| 04/23/2014 | CN203563064U Simple audio frequency amplifier used for interphone |
| 04/23/2014 | CN103747369A Intelligent household control method and apparatus, and intelligent household system |
| 04/22/2014 | US8707075 Adaptive network and method |
| 04/22/2014 | US8704663 Work direction determining method and device, and work provided with direction determining function |
| 04/22/2014 | US8704642 RFID-based intelligent storage cabinet and the management method thereof |
| 04/22/2014 | US8704641 Method and communication system for controlling communication distance of RF SIM card with the aid of tag identification |