H04Q 5 - Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange

Patents for H04Q 5 - Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange (6,717)
12/2011
12/07/2011	CN202068528U 多源异动信号监测系统集成接口装置 Multi-source movement signal monitoring system integrated interface device
12/07/2011	CN202068527U 一种楼宇可视对讲系统 One kind of building visual intercom system
12/07/2011	CN102271291A 基于widi技术的楼宇可视对讲系统及其实现方法 Widi building visual intercom system based on technology and its implementation
12/06/2011	US8072334 RFID tag with enhanced readability
12/06/2011	US8072327 Causing RFID tags to reply using changed reply timing
12/06/2011	US8072314 Secondary card reader
12/06/2011	US8072313 RFID interrogator with improved symbol decoding and systems based thereon
12/06/2011	US8072311 Radio frequency identification tag location estimation and tracking system and method
12/06/2011	US8072310 System for detecting and measuring parameters of passive transponders
12/01/2011	WO2011149765A2 Rfid security and mobility architecture
12/01/2011	US20110291813 Asset identification and management method and system
12/01/2011	US20110291811 Information processing device and receiving method
12/01/2011	US20110291806 Food package with integrated rfid-tag and sensor
12/01/2011	US20110291805 Passive rfid chip reader antenna and embedded rfid chips
12/01/2011	US20110291804 Tactile paving pad, tactile system and method
12/01/2011	US20110291803 Rfid security and mobility architecture
12/01/2011	US20110291802 Structural health management device and associated system and method
12/01/2011	US20110290875 Method and apparatus for using boarding passes to apply business rules
11/2011
11/30/2011	CN202059533U Atm双向模拟对讲器 Atm bidirectional analog intercom
11/30/2011	CN102264005A 无线对讲交换系统 Wireless intercom exchange system
11/29/2011	US8068807 System for supplying container security
11/29/2011	US8068012 RFID device and system for setting a level on an electronic device
11/29/2011	US8068011 System and method for interactive user-directed interfacing between handheld devices and RFID media
11/29/2011	US8068010 Chipless RFID tag and method for communicating with the RFID tag
11/24/2011	US20110285511 Dual-frequency rfid tag with isolated inputs
11/24/2011	US20110285509 Shipping container security process
11/24/2011	US20110285508 Apparatus for removing transmission leakage signal in rfid system and rfid system having the same
11/24/2011	US20110285507 Tamper Detection RFID Tape
11/24/2011	US20110285506 System and method for tracking items
11/24/2011	US20110283641 Subflooring water and radon gas channeling system
11/23/2011	CN202050513U Window interphone with wireless interphone function
11/23/2011	CN202049565U Passenger emergency alarm device
11/23/2011	CN202049488U Multifunctional field electronic device
11/23/2011	CN102256185A Wireless healthcare system
11/23/2011	CN102253658A Patterned remote monitoring system and method
11/22/2011	US8063748 Radio IC tag communication system
11/22/2011	US8063747 RFID tag, interrogator and system with improved symbol encoding and decoding
11/22/2011	US8063746 Transponder detector for an RFID system generating a progression of detection signals
11/22/2011	US8063745 Air conditioner and address setting method in air conditioner
11/22/2011	US8063744 System and method for providing timing services and DME aided multilateration for ground surveillance
11/22/2011	US8063743 Method for testing embedded RFID tags
11/22/2011	US8063742 Testing apparatus for embedded RFID tags
11/22/2011	US8063741 Tag tape, tag tape roll, and RFID label
11/22/2011	US8063739 Method of actively tagging electronic designs and intellectual property cores
11/22/2011	US8061607 Method and system of universal RFID communication
11/17/2011	US20110282540 Dynamic monitoring of mobile railway car undercarriage
11/17/2011	US20110279246 Methods and apparatus to visualize locations of radio frequency identification (rfid) tagged items
11/17/2011	US20110279245 System and method for associating rfid smart labels with customer database records for use with automated tracking of waste and recyclable material
11/17/2011	US20110279244 Method and apparatus for transmitting power and data
11/17/2011	US20110279242 Batteryless stored value card with display
11/17/2011	US20110279241 Reader/writer, radio tag, transmission/reception system and transmission/reception method
11/17/2011	US20110279238 Method for locating items
11/17/2011	US20110279235 Radio frequency identification (rfid) tag and interrogator for supporting normal mode and secure mode, and operation method thereof
11/17/2011	US20110279234 Rfid system and method for removing transmission leakage signal thereof
11/17/2011	US20110278319 Pill dispenser canister having dual reservoirs
11/16/2011	CN202043260U Interaction device based on visual intercom system
11/16/2011	CN202043248U Emergency rescue joint communication audio-video control system
11/16/2011	CN202043235U Visual intercom system
11/16/2011	CN202041263U Truck scale controller
11/15/2011	US8058986 Method for automatic association devices to a patient and concurrent creation of a patient record
11/15/2011	US8058983 Baby seat occupant detection system
11/15/2011	US8058974 Integrated circuit processing device and integrated circuit processing method
11/15/2011	US8058973 Radio frequency identification system and method
11/10/2011	US20110276338 Automated workflow engine in a delivery of healthcare
11/10/2011	US20110274437 Radio frequency identification (rfid) in communication connections, including fiber optic components
11/10/2011	US20110273276 Communication device and wireless communication method
11/10/2011	US20110273274 Transceiver which removes phase noise
11/10/2011	US20110273273 Methods and Apparatus of a Multi-Frequency RFID System
11/10/2011	US20110273271 Method and system for radio frequency idenfication tag using reduced set communication protocol
11/09/2011	CN202032265U Aluminum alloy hanging board for interphone extension
11/09/2011	CN1655200B RF responder or circuit arrangement used in remote sensor and control method thereof
11/09/2011	CN101383983B Positioning method and system
11/08/2011	US8055394 Engine thrust values estimation
11/08/2011	US8054163 Interactive radio frequency tags
11/08/2011	US8054162 Communication method in RFID or remote sensor systems
11/08/2011	US8054161 Apparatus and method for transmit leakage signal suppression in RFID reader
11/08/2011	US8054160 RFID tag power conservation system and method
11/03/2011	US20110267176 Rfid interface and applications thereof
11/02/2011	CN202026437U Medical wireless pager
11/01/2011	US8049598 Methods and apparatus for arbitrary antenna phasing in an electronic article surveillance system
11/01/2011	US8049594 Enhanced RFID instrument security
11/01/2011	US8049592 Network-based lighting equipment remote monitoring and management system
10/2011
10/27/2011	US20110263297 Method and apparatus for contention resolution of passive endpoints
10/27/2011	US20110260859 Indoor and outdoor security system and method of use
10/27/2011	US20110260839 Autonomous battery-free microwave frequency communication system
10/27/2011	US20110260836 Device and Method for Radio Programming Wireless Terminal Devices
10/26/2011	EP2381694A2 System and method for minimizing unwanted re-negotiation of a passive RFID tag
10/26/2011	CN202019427U Scene enforcement image recorder
10/26/2011	CN202019394U Talkback system capable of eliminating voice echo
10/25/2011	US8044775 RFID system for identifying location of sensors/indicators
10/25/2011	US8044774 RFID tag chips and tags able to be partially killed and methods
10/25/2011	US8044773 Parallel RFID system using CDMA
10/20/2011	US20110258040 System and method for providing feedback for targeted communications
10/20/2011	US20110254664 Systems and methods for detecting patterns in spatio-temporal data collected using an rfid system
10/19/2011	CN202014350U Wireless intercommunication system based on MESH network
10/19/2011	CN202014349U Building intercommunication telephone help-asking system for old people
10/19/2011	CN202014348U Novel subscriber's machine terminal for building intercom system
10/19/2011	CN202014347U Railway wireless interphone
10/19/2011	CN102224740A Random delay generation for thin-film transistor based circuits
10/18/2011	US8040829 Method of addressing messages and communications system

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