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)
12/2013
12/10/2013	US8602306 Device for protecting contactless communication objects against fraud
12/05/2013	US20130324148 Product position tracking system
12/05/2013	US20130321133 Method and apparatus for identifying a speaker
12/04/2013	CN103428585A Remote access video talkback method using mobile communication device
12/04/2013	CN103428175A Real-time voice intercom system based on heterogeneous mobile IP networks
12/03/2013	US8598992 Self-calibrating RFID transponder
12/03/2013	US8598990 Delimited read command for efficient data access from radio frequency identification (RFID) tags
12/03/2013	US8598989 Reader control system
12/03/2013	US8598988 Systems and methods for controlling serially connected transmitters in RFID tag tracking
12/03/2013	US8598987 RFID communication method and system
12/03/2013	US8598985 Communications system and communications apparatus
11/2013
11/27/2013	CN203313344U FM wireless five-party intercom system used for elevator
11/27/2013	CN203313343U Wireless intelligent building calling system
11/27/2013	CN203313342U Full-duplex interphone control circuit
11/27/2013	CN203313341U Elevator intercom integrated system
11/27/2013	CN203313273U Voice cigarette-wrapping data-collecting terminal machine
11/27/2013	CN103414961A Building talkback terminal with two nonpolar lines
11/27/2013	CN103414878A Building talk-back subscriber extension station
11/26/2013	US8593261 Tool management method of die bonder and die bonder
11/26/2013	US8593260 System and method for varying response amplitude of radio transponders
11/26/2013	US8593258 High-tensile belt-type tag and wireless radio frequency identification system employing the same
11/26/2013	US8593257 RFID-based loss-prevention system
11/26/2013	US8593256 Washable RFID device for apparel tracking
11/26/2013	US8593255 Method and apparatus for providing user interaction via transponders
11/26/2013	US8593254 Semiconductor integrated circuit, card comprising the same, and operating method of semiconductor integrated circuit
11/20/2013	CN203301681U Intelligent building intercom system
11/20/2013	CN203301680U Low-cost digital intercom based on ARM
11/20/2013	CN203301679U Group intercom system
11/20/2013	CN102300078B Emergency rescue integrated communication audio and video command system
11/19/2013	US8588685 RFID system with RF bus
11/19/2013	US8587430 Active logistical tag for cargo
11/19/2013	US8587414 Wireless information and safety system for mines
11/19/2013	US8587413 Information access system, information storage device and reader/writer device
11/19/2013	US8587411 RFID readers causing RFID tags to backscatter more codes
11/19/2013	US8587409 Radio security leader controlling operation mode, and radio security tag supporting security mode and normal mode
11/19/2013	US8587408 Registered 3-D optical thinfilm for remote identification
11/19/2013	US8587407 Media transaction kiosk and method
11/19/2013	US8587406 RFID tags with orthogonal communication capabilities, and associated systems
11/14/2013	WO2013169281A1 Integrated vehicle control system and apparatus
11/14/2013	WO2012125897A3 Method for upgrading rfid readers in situ
11/13/2013	CN203289596U Interphone of remote GPS
11/13/2013	CN203289595U Digital DMR (digital mobile radio) interphone using digital frequency synthesizers as local oscillators
11/13/2013	CN103391485A Digital all-optical distributed system allowing multiple-service access
11/12/2013	US8581747 Pedestrian support system
11/12/2013	US8581707 Methods and apparatus for identifying and categorizing distributed devices
11/12/2013	US8581706 Data storage medium and method for contactless communication between the data storage medium and a reader
11/12/2013	US8581704 Battery assisted tag and RFID system
11/12/2013	US8581703 Methods and apparatuses to secure data transmission in RFID systems
11/12/2013	US8581702 Information management using a custom identifier stored on an identification tag
11/12/2013	US8581701 RFID-based data collection, correlation and transmission system, and method for collecting data and correlating same to system participant identities and actions thereof
11/12/2013	US8581700 Wearable device
11/12/2013	US8581694 RFID interrogator configured for protection against electromagnetic interference of a remote device having an RFID tag
11/12/2013	US8579203 Electronic magnetic recorded media emulators in magnetic card devices
11/07/2013	US20130293353 External Reader for Device Management
11/06/2013	CN203279048U Building intercom system
11/06/2013	CN203278858U Analogous POE system, connector thereof, and building intercom system
11/06/2013	CN103384352A Elevator remote talkback system and access device
11/05/2013	US8576053 Near field communication device and method for near field communication
11/05/2013	US8576051 Spaced apart extended range RFID tag assemblies and methods of operation
11/05/2013	US8576050 Extended range RFID tag assemblies and methods of operation
11/05/2013	US8573047 Focused field antenna for passive RFID tire pressure sensor tranponder
10/2013
10/31/2013	WO2013159292A1 A dual-channel analog door entry system and a method thereof
10/30/2013	CN203261441U Building interphone based on voice recognition and doorway host
10/30/2013	CN203261440U Single-police law enforcement video-audio recorder and wireless single-police law enforcement Bluetooth intercom system
10/30/2013	CN203261420U Multifunctional infrared monitoring camera
10/30/2013	CN203261329U Wristwatch type bluetooth intercommunication device
10/30/2013	CN103379390A A vehicle-mounted intercom having double frequency bands and capable of simultaneous reception
10/30/2013	CN103379389A Encoding hand-held microphone device with loudspeaker
10/30/2013	CN103378868A Vehicle-mounted intercom having dual-band duplex cross-band transfer function
10/29/2013	US8570186 Wireless sensor reader
10/29/2013	US8570168 System, method and device to interrogate for the presence of objects
10/29/2013	US8570159 Manifest integrity management via radio frequency identification (RFID)
10/29/2013	US8570158 Programming a universal remote control via a point-of-sale system
10/29/2013	US8570157 Local processing of received RFID tag responses
10/29/2013	US8570156 Pluggable small form-factor UHF RFID reader
10/29/2013	US8570155 Mobile terminal device, program storage medium, and information displaying method for displaying information for user in display area part not covered with RFID tag
10/29/2013	US8570154 Method for operating a system of readers
10/29/2013	US8570153 Metallic cover having IC tag, and metallic container
10/29/2013	US8570152 Method and apparatus for wireless sensing with power harvesting of a wireless signal
10/29/2013	US8570151 Semiconductor device
10/22/2013	US8565674 Portable terminal comprising near field communication module and method for operating the same
10/22/2013	US8564417 System and method for storing and retrieving equipment inspection and maintenance data
10/22/2013	US8564416 Systems and methods for automated programming of RFID tags using machine readable indicia
10/22/2013	US8564415 User grouping apparatus and user grouping method
10/22/2013	US8564414 Using tags to modify program behavior
10/22/2013	US8564413 Recharge of an active transponder
10/22/2013	US8564412 Method and apparatus to estimate the number of transponders in a field
10/22/2013	US8564411 Back-door data synchronization for a multiple remote measurement system
10/22/2013	US8564410 Shipping container security process
10/22/2013	US8564409 Method and apparatus for operating server for RFID reader and method for operating RFID reader
10/22/2013	US8564408 Electronic Near Field Communication enabled multifunctional device and method of its operation
10/22/2013	US8564405 Remotely monitoring field assets
10/16/2013	EP2649810A1 Managing a plurality of radio frequency identification devices
10/16/2013	CN203243469U Building visitor doorbell system
10/15/2013	US8558699 Multiple radio frequency network node RFID tag
10/15/2013	US8558676 Digital interconnect of entertainment equipment in the home
10/15/2013	US8558674 Wireless presentation system and pairing method applied thereto
10/15/2013	US8558672 Method and system for miniature passive RFID tags and readers
10/15/2013	US8558671 Active tag apparatus, communication apparatus and system
10/15/2013	US8558670 Electric power communication device, electric power communication system, electric power communication method, and program

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