| 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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| 03/29/2011 | US7915999 Method and system for simultaneous transmission and reception of FM signals utilizing a DDFS clocked by an RFID PLL |
| 03/24/2011 | US20110069961 Digital multimeter having remote display with automatic communication binding |
| 03/24/2011 | US20110068925 Rfid tag monitoring system |
| 03/24/2011 | US20110068921 configurable monitoring device |
| 03/24/2011 | US20110068918 Recognition award, personnel identification holder and/or personnel unit for attachment to hardhats, protective helmets or the like |
| 03/24/2011 | US20110068908 Reader control system |
| 03/24/2011 | US20110068907 Reader control system |
| 03/24/2011 | US20110068904 Rfid tag |
| 03/24/2011 | US20110068903 Mobile communication terminal including rfid reader and transception method thereof |
| 03/24/2011 | US20110068901 Radio frequency identification tag |
| 03/23/2011 | CN201774517U Intelligent high-sensitivity receiver circuit |
| 03/22/2011 | US7911325 Communication system, and endpoint device and interrogator |
| 03/22/2011 | US7911324 Method and system for obtaining information about RFID-equipped objects |
| 03/22/2011 | US7911323 Radio frequency identification (RFID) tag response modulation |
| 03/17/2011 | US20110064165 Demodulation apparatus and method for rfid reader in passive rfid environment |
| 03/17/2011 | US20110063113 Calibration and Operational Assurance Method and Apparatus for RFID Object Monitoring System |
| 03/17/2011 | US20110063091 Radio frequency identification system |
| 03/17/2011 | US20110063090 Establishing a link with a radio transmit controller |
| 03/17/2011 | US20110063089 Radio frequency identification (rfid) system |
| 03/17/2011 | US20110063088 Rfid detection and identification system for implantable medical devices |
| 03/17/2011 | US20110063087 Resistive and capacitive modulation in an electromagnetic transponder |
| 03/17/2011 | US20110063084 Reader control system |
| 03/17/2011 | US20110063079 Enhancements to meterless remote parking monitoring systems |
| 03/17/2011 | US20110063078 Communication system, operation confirmation processing method and operation confirmation processing program for communication system |
| 03/17/2011 | US20110062060 System and method for communication between a fluid filtration apparatus and filter |
| 03/16/2011 | CN201766682U Tunnel construction communication system |
| 03/16/2011 | CN201766681U Doorway talkback equipment utilizing public telephone network to communicate |
| 03/16/2011 | CN201766402U Mobile phone or interphone capable of being charged manually |
| 03/15/2011 | US7908320 Tracking user locations over multiple networks to enable real time communications |
| 03/15/2011 | US7907905 Radio frequency management system |
| 03/15/2011 | US7906873 Modular wall box system |
| 03/10/2011 | WO2011026441A1 Method for distributing channels for interphone, communication method, system and interphone |
| 03/10/2011 | US20110060652 System and method for the service of advertising content to a consumer based on the detection of zone events in a retail environment |
| 03/10/2011 | US20110060452 Method And Apparatus For Radio-Controlled Friction Drive Conveyor System |
| 03/10/2011 | US20110057778 Automatic determination of radio control unit configuration parameter settings |
| 03/09/2011 | CN201758433U Police positioning intercom system |
| 03/09/2011 | CN201758432U Wireless conversation doorbell |
| 03/08/2011 | US7902964 Hybrid system option key |
| 03/08/2011 | US7902963 RFID device having nonvolatile ferroelectric memory device |
| 03/08/2011 | US7902962 Cart-based visibility system |
| 03/08/2011 | US7902961 RFID system and reader writer |
| 03/08/2011 | US7902960 Door lock mechanism controller and method of controlling door lock mechanism |
| 03/03/2011 | WO2011025356A1 A passive rfid reader system |
| 03/03/2011 | US20110050401 Product managing apparatus and control method |
| 03/03/2011 | US20110050397 System for generating supply chain management statistics from asset tracking data |
| 03/03/2011 | US20110050389 Low power wireless controller systems and methods |
| 03/02/2011 | CN201754611U Elevator interphone with telephone function |
| 03/01/2011 | US7899401 Radio communication device |
| 03/01/2011 | US7899394 RFID system with RF bus |
| 03/01/2011 | US7898392 Control method, control system, RFID antenna and connection investigation method |
| 03/01/2011 | US7898391 Multi-reader coordination in RFID system |
| 03/01/2011 | US7898390 Phase shifters, interrogators, methods of shifting a phase angle of a signal, and methods of operating an interrogator |
| 03/01/2011 | US7898389 Radio frequency identification (RFID) tags and methods of communicating between a radio frequency identification (RFID) tag and an interrogator |
| 02/24/2011 | US20110047015 Network formation in asset-tracking system based on asset class |
| 02/24/2011 | US20110043339 RF device with tamper detection |
| 02/24/2011 | US20110043338 Wireless ic device system and method of determining authenticity of wireless ic device |
| 02/24/2011 | US20110043337 Device and system for detecting the passage of objects, persons or animals with an rfid tag according to their passing order, and application in luggage detection |
| 02/24/2011 | US20110043336 Power efficiency of the load-shift keying technique |
| 02/24/2011 | US20110043335 Method for the operation of a transponder for the radio frequency identification (rfid) and rfid transponder |
| 02/24/2011 | US20110043327 Physical and virtual identification in a wireless power network |
| 02/23/2011 | EP2286598A1 Methods and systems for tracking rfid devices |
| 02/22/2011 | US7895309 Network event notification and delivery |
| 02/22/2011 | US7893832 Authenticity tag and method for operating an authenticity tag |
| 02/22/2011 | US7893815 Method for selecting one or several transponders |
| 02/22/2011 | US7893814 Method and apparatus for tracking items on a conveyer using capacitive RFID |
| 02/22/2011 | US7893813 Automatic data collection device, method and article |
| 02/17/2011 | US20110037610 Locating computer-controlled entities |
| 02/17/2011 | US20110037573 Apparatus and method for providing information of goods in mobile terminal |
| 02/17/2011 | US20110037571 System for relative positioning of access points in a real time locating system |
| 02/17/2011 | US20110037570 Communication Method for a Radio System and Apparatus and System for Implementing the Method |
| 02/17/2011 | US20110037569 Covering and/or sealing foil for a pack and method and system for determining the open state of a pack |
| 02/16/2011 | CN201750520U Wired intercom device for short haul call in oil field |
| 02/16/2011 | CN101977334A Single-soldier backpack emergency communication system |
| 02/15/2011 | US7890054 Rectifier circuit and radio communication device |
| 02/15/2011 | US7889080 Control system and method thereof |
| 02/15/2011 | US7889060 Active radio tag, security management system, and security management method |
| 02/15/2011 | US7889059 Radio frequency-controlled telecommunication device |
| 02/15/2011 | US7889058 Radio-tag reading system, radio-tag reader, and radio tag |
| 02/15/2011 | US7889057 RFID reader |
| 02/15/2011 | US7889056 RFID protection system, device, combination, and related methods |
| 02/15/2011 | US7889055 IC tag, IC tag system, and method of executing command of the IC tag |
| 02/15/2011 | US7889054 Method and apparatus for creating scramble signals in RFID |
| 02/10/2011 | US20110032081 Long Range Radio Frequency Identification System |
| 02/10/2011 | US20110032080 Method for reducing a noise in a signal received in a contactless-card interrogator and a circuit to perform said method |
| 02/09/2011 | CN201742459U Multipurpose medical calling press button |
| 02/09/2011 | CN101969517A High-speed collinear communication module and method |
| 02/09/2011 | CN101969515A Wireless audio and video early warning terminal device |
| 02/08/2011 | US7884725 Systems and methods for stirring electromagnetic fields and interrogating stationary RFID tags |
| 02/08/2011 | US7884724 Radio frequency data communications device with selectively removable antenna portion and method |
| 02/08/2011 | US7884702 Queued operations in HF/UHF RFID applications |
| 02/03/2011 | WO2011011851A1 Automobile location system for urban roads |
| 02/03/2011 | US20110025510 Sensors and systems for detecting environmental conditions or changes |
| 02/03/2011 | US20110025477 System and method for providing access in powerline communications (plc) network |
| 02/03/2011 | US20110025474 Rfid network and method for operating the rfid network |
| 02/03/2011 | US20110025473 Method and apparatus for linking an rfid tag to an object |
| 02/03/2011 | US20110025472 Connection port system |
| 02/03/2011 | US20110025471 RFID transponder, in particular for assembly on metal and manufacturing method therefor |
| 02/03/2011 | US20110025470 Automatic mode detection in a dual mode rfid tag |
| 02/03/2011 | US20110025469 Method of commissioning a device arrangement |
| 02/03/2011 | US20110025468 Tagged cable |