| 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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| 03/03/2015 | US8970377 System and method for tracking items stored in a compartment |
| 03/03/2015 | US8970376 Systems for and methods of assigning priority to reader antennae |
| 03/03/2015 | US8970375 Memory tag, method for providing information and enabling the release of stored content, and apparatus therefor |
| 03/03/2015 | US8970351 Systems and/or methods of data acquisition from a transceiver |
| 03/03/2015 | US8970350 Maintaining RFID information for virtual machines |
| 03/03/2015 | US8968510 Method of producing a transponder and a transponder |
| 02/24/2015 | US8965299 Method and system for the processing control of multiple radio frequency communication streams by an integrated circuit card |
| 02/24/2015 | US8963693 System and method for controlling meeting resources |
| 02/24/2015 | US8963692 Aggregating and routing sensor data at a community sensor-coordinating entity |
| 02/24/2015 | US8963690 Identification system |
| 02/24/2015 | US8963689 Cable ID using RFID devices |
| 02/24/2015 | US8963688 Stacked tire RFID reader system and method |
| 02/24/2015 | US8963687 System and method for DSRC communication |
| 02/17/2015 | US8959543 Device control apparatus and device control method |
| 02/17/2015 | US8957764 Data writing apparatus writing data to wireless IC tags |
| 02/12/2015 | US20150042457 Systems and Methods for Verifying a Chip |
| 02/11/2015 | CN204157013U 一种切换多路音频的控制装置及语音通信系统 A control device for multi-channel audio and voice communication systems are switched |
| 02/11/2015 | CN204157012U 一种带止痒装置的对讲机 An intercom device with itching |
| 02/11/2015 | CN204156852U 一种迷你对讲机 One kind of mini-talkie |
| 02/11/2015 | CN102224740B 用于薄膜电晶电路之随机延迟产生 Random crystal thin film circuits for generating delay |
| 02/10/2015 | US8952813 Optimization of luggage placement in storage compartments |
| 02/10/2015 | US8952792 Self tuning RFID tags |
| 02/10/2015 | US8952790 Strong passive ad-hoc radio-frequency identification |
| 02/10/2015 | US8952789 Method and apparatus for communication in ultra-wide bandwidth RFID systems |
| 02/10/2015 | US8952788 Battery assisted RFID system RF power control and interference mitigation methods |
| 02/10/2015 | US8952787 Laboratory sample archiving apparatus and method |
| 02/10/2015 | US8952786 System for tracking bicycle commuter activity |
| 02/04/2015 | CN204145683U 一种数字对讲机加密的装置 A digital intercom device encryption |
| 02/04/2015 | CN204145682U 一种无线对讲覆盖系统 A wireless intercom system covering |
| 02/04/2015 | CN204145482U 一种新型结构安全对讲机 A new structure of security intercom |
| 02/04/2015 | CN204138071U 检测电梯故障并通过gprs传送数据的电梯gsm五方对讲系统 Elevator fault detection and transmission of data through gprs gsm five parties elevator intercom system |
| 02/03/2015 | US8947528 Container-classification identification using directional-antenna RFID |
| 02/03/2015 | US8947236 Sensing properties of a material loading a UHF RFID tag by analysis of the complex reflection backscatter at different frequencies and power levels |
| 02/03/2015 | US8947233 Methods and systems of a multiple radio frequency network node RFID tag |
| 02/03/2015 | US8947213 Method and system for confirming location of product within shelf using RFID |
| 02/03/2015 | US8947212 Active electronic tag and signal modulation method thereof |
| 02/03/2015 | US8947211 Communication data protection method based on symmetric key encryption in RFID system, and apparatus for enabling the method |
| 02/03/2015 | US8947210 Near field radio frequency communication system |
| 02/03/2015 | US8947209 Radio frequency identification system using multiple band transmission |
| 02/03/2015 | US8947208 IC tag searching apparatus |
| 02/03/2015 | US8947207 Method and apparatus for a deployable radio-frequency identification portal system |
| 01/28/2015 | CN204131665U 一种对讲机中的接收机及信号传输装置 One kind of walkie-talkie in the receiver and signal transmission device |
| 01/28/2015 | CN204131589U 一种楼宇对讲系统音频传输特性检测系统 One kind of building intercom system audio transmission characteristics of the detection system |
| 01/28/2015 | CN204131509U 内置rfid读写的一体化电子巡检对讲机 Built rfid reader integrated electronic inspection interphone |
| 01/28/2015 | CN104320724A 一种控制智能储物柜的对讲机系统 A control intelligent locker intercom system |
| 01/28/2015 | CN104320723A 一种基于可见光通信的语音对讲系统 A voice intercom system based on visible light communication |
| 01/28/2015 | CN104320632A 智能可视门禁对讲系统 Intelligent visual access intercom system |
| 01/28/2015 | CN104320605A 一种对讲系统及对讲方法 One kind of intercom systems and intercom method |
| 01/28/2015 | CN104318654A 楼宇对讲系统与方法 Building intercom system and method |
| 01/27/2015 | US8941493 Determining operational state with tags |
| 01/27/2015 | US8941473 Electronic device and method for RFID |
| 01/27/2015 | US8941471 RF switched RFID multiplexer |
| 01/27/2015 | US8941470 Methods and systems of a radio frequency network node RFID tag with hardened memory system |
| 01/27/2015 | US8941371 RFID sensor devices having drive elements |
| 01/21/2015 | CN104301808A 一种对讲机中的接收机及信号传输装置 One kind of walkie-talkie in the receiver and signal transmission device |
| 01/21/2015 | CN104301190A 一种安保巡查系统 One kind of security patrol system |
| 01/21/2015 | CN104300999A 一种通过手机实现对讲机功能的外部装置及其控制方法 An external device realized by walkie-talkie feature phone and its control method |
| 01/20/2015 | US8937533 Contactless IC card reader and data reading method |
| 01/20/2015 | US8937532 Reading RFID tag using antenna within enclosure |
| 01/20/2015 | US8937531 RFID system with multiple tag transmit frequencies |
| 01/20/2015 | US8937530 Radio frequency identification tags adapted for localization and state indication |
| 01/14/2015 | EP2823646A1 Automated operator-equipment pairing system and method |
| 01/14/2015 | CN204103920U 一种对讲机蓝牙适配器 One kind of walkie-talkie Bluetooth adapter |
| 01/14/2015 | CN204102305U 一种带语音对讲功能的消火栓按钮 Button A hydrant with voice intercom function |
| 01/14/2015 | CN104284257A 用于口头对话服务仲裁的系统和方法 System and method for oral dialogue Arbitration Service |
| 01/13/2015 | US8933793 Active contactless information storage device, method, and information access system |
| 01/13/2015 | US8933792 Moving carrier signal transmission method and device thereof |
| 01/13/2015 | US8933791 Method and system for correctly identifying specific RFID tags |
| 01/13/2015 | US8933790 Phase coupler for rotating fields |
| 01/13/2015 | US8933789 Systems and methods for RFID-enabled information collection |
| 01/13/2015 | US8933788 RFID system with barriers and key antennas |
| 01/13/2015 | US8933786 RFID tag device and method of recognizing the same |
| 01/13/2015 | US8933784 RF powder particle, RF powder, and RF powder-containing base |
| 01/13/2015 | US8931705 IC card, mobile electronic device and data processing method in IC card |
| 01/07/2015 | CN204090067U 一种家庭呼叫装置 A home calling device |
| 01/07/2015 | CN204090066U 一种超薄对讲机 An ultra-thin interphone |
| 01/07/2015 | CN204090065U Ptt传统集群和/或公网集群对讲装置 Ptt traditional clusters and / or public network cluster intercom |
| 01/07/2015 | CN204090038U 一种便携式无线应急指挥系统 A portable wireless emergency command system |
| 01/07/2015 | CN204089798U 一种天线内置式对讲机 An antenna built-talkie |
| 01/07/2015 | CN104271396A 集成式车辆控制系统和设备 Integrated vehicle control system and equipment |
| 01/07/2015 | CN104270812A 用于群体通讯定位的移动终端、移动即时通讯方法及系统 The mobile terminal positioning for group communications, mobile instant messaging method and system |
| 01/07/2015 | CN104270687A 一种数字对讲机加密的方法及装置 A digital intercom encryption method and apparatus |
| 01/07/2015 | CN104270613A 便携式无线应急指挥系统 Portable Wireless Emergency Command System |
| 01/07/2015 | CN104270216A 一种车载广播控制盒 A vehicle-mounted radio control box |
| 01/07/2015 | CN102638287B 一种使用方便的袖珍型对讲机 An easy to use mini walkie-talkie |
| 01/06/2015 | US8928464 Safety contestant progress registration |
| 01/06/2015 | US8928463 Object management system and method |
| 01/06/2015 | US8928462 RFID system with time slot interleaving |
| 01/06/2015 | US8928461 Method and system for controlling RFID transponder response waiting periods |
| 01/06/2015 | US8925819 Wireless tag processor |
| 12/31/2014 | CN204069230U 带喇叭的室内壁挂机 Indoor wall unit with speaker |
| 12/31/2014 | CN204069229U 一种智能家居系统 An intelligent home system |
| 12/31/2014 | CN204066280U 医院护理智能呼叫装置 Hospital Care intelligent call device |
| 12/31/2014 | CN104253696A 基于互联网的警用手持语音对讲方法及系统 Internet-based voice intercom police armed with method and system |
| 12/30/2014 | US8922350 Transmit diversity for passive backscatter RFID |
| 12/30/2014 | US8922349 Control circuit, system for operating a device and device for programming such a control circuit |
| 12/30/2014 | US8922347 R.F. energy collection circuit for wireless devices |
| 12/24/2014 | CN204046680U 一种手柄机测试装置 Such a handle machine test device |
| 12/24/2014 | CN204046592U 高容量宽带数字对讲机 High-capacity broadband digital radio |
| 12/24/2014 | CN204044899U 新型无线对讲门禁系统 The new wireless intercom access control system |