Patents
Sitemap › H04 - Electric communication technique › H04B - Transmission › H04B 3 - Line transmission systems
Patents for H04B 3 - Line transmission systems (31,523)
11/2012
11/14/2012CN202535353U Quadrature modulation power line carrier communication system
11/14/2012CN202535085U Intelligent reactive power compensation system by utilizing power line carrier communication mode
11/14/2012CN1954586B High speed multiple loop DSL system
11/14/2012CN1893326B Interference cancellation method and communication terminal for the same
11/14/2012CN102783104A Communication system
11/14/2012CN102783103A Air conditioning machine
11/14/2012CN102783044A Electrical installation system
11/14/2012CN102783043A Signal transmission method, communication apparatus and system
11/14/2012CN102783023A Communication system and electronic choke circuit
11/14/2012CN102780512A Protective circuit for preventing radio station from uninterrupted transmission
11/14/2012CN102780511A Echo canceller, data transmission system and echo cancellation method
11/14/2012CN101601195B Arrangement and method relating to digital subscribe lines
11/14/2012CN101594171B Power cord chopper communication transceiving circuit
11/14/2012CN101567864B Network device with far-end interference elimination function
11/14/2012CN101483451B Communication system and communication apparatus
11/14/2012CN101110610B Divider/combiner with coupled and uncoupled sections
11/13/2012US8311235 Communication control method, communication system and computer program
11/13/2012US8311234 Echo canceller and communication audio processing apparatus
11/13/2012US8311226 Method for assigning a plurality of audio channels to a plurality of speakers, corresponding computer program product, storage means and manager node
11/13/2012US8311087 Methods and apparatus for monitoring voice quality on a wireless communication device
11/13/2012US8311086 CATV digital receiver intermodulation susceptibility tester
11/13/2012US8310977 Wireless repeater and operating method of the same
11/13/2012US8310940 Testing upstream cable channels
11/13/2012US8310937 Voice packet dynamic echo cancellation system
11/13/2012US8310352 Relay apparatus, communication system, and communication method
11/13/2012US8310350 Mounting apparatus for a haptic surface
11/13/2012US8310349 Haptic surface with mechanical buttons
11/13/2012US8310081 Power line communications coupler for effecting signal coupling between electric signaling equipment and an electric power system
11/08/2012WO2012150944A1 Device power management using compiler inserted device alerts
11/08/2012WO2012150794A2 Power transceiving circuit device in home network
11/08/2012WO2012149791A1 Method, apparatus, and system for estimating crosstalk channel
11/08/2012WO2012072075A3 A power supply
11/08/2012US20120281852 Interactive Sound Reproducing
11/08/2012US20120281818 System and method for detecting anomalies along telecommunication lines
11/08/2012US20120281717 Superframe Coordination in Beacon-Enabled Networks
11/08/2012US20120281716 Hybrid Communication Networks
11/08/2012US20120281603 Transmit Phase Control for the Echo Cancel Based Full Duplex Transmission System
11/07/2012EP2521276A1 Vehicle and communication device of vehicle
11/07/2012EP2521274A1 Vehicle, and communication system and communication control method of vehicle
11/07/2012EP2521265A1 Apparatus and methods of reducing pre-emphasis voltage jitter
11/07/2012CN202524421U Power communication device with session initiation protocol (SIP)
11/07/2012CN202524418U Transmission device for power carrier communication
11/07/2012CN202524395U General test platform for low-voltage carrier automatic meter reading system
11/07/2012CN202524386U Low-voltage power line carrier communication device based on carrier electric energy meter
11/07/2012CN202524385U OFDM-based hybrid power line carrier communication device
11/07/2012CN202524384U Mixed type low-voltage power line carrier communication device
11/07/2012CN202524383U Testing device for low-voltage power line network
11/07/2012CN202524382U Intrinsically safe repeater used for mining
11/07/2012CN102769978A Stage lighting control system based on electric carrier communication
11/07/2012CN102769481A Method and system for awakening power line communication network by employing expanded ISP (Inter-System Protocol) signal
11/07/2012CN102769480A Display equipment with power line communication function and control method of display equipment
11/07/2012CN102165521B Multiple microphone switching and configuration
11/07/2012CN101729683B Method, device and system for detecting bridge tap
11/07/2012CN101313485B Apparatus comprising drive device
11/07/2012CN101019338B Suppressing echo cancelling in packet switched network
11/06/2012US8306238 Method and circuit for controlling an output of an audio signal of a battery-powered device
11/06/2012US8306129 Power line communication apparatus, power line communication system, and registration processing method
11/06/2012US8306104 Method and device for multi-dimensional processing using a single-state decision feedback equalizer
11/06/2012US8306101 Equalizer system
11/06/2012US8306099 Signal receiving device and frequency determining circuit
11/06/2012US8306098 Method for error display of orthogonal signals
11/06/2012US8306097 Signal suspension and resumption in DSL systems
11/06/2012US8306095 Methods and apparatus for network coding in a communication system
11/06/2012US8306068 System for data collection through an alternate current supply network
11/06/2012US8305200 Reactive networks to reduce acoustic noise and ensure maximum efficiencies in driving piezoelectric elements in haptic applications
11/06/2012US8305188 System and method for logging in multiple users to a consumer electronics device by detecting gestures with a sensory device
11/06/2012US8305156 Printed circuit board
11/01/2012WO2012149388A1 Optimal downstream power back-off for digital subscriber lines
11/01/2012WO2012149027A1 Systems and methods for reduction of triple transit effects in transceiver communications
11/01/2012WO2012148897A1 Communications distribution systems, apparatus and methods using power line carrier communications
11/01/2012WO2012147178A1 Numerical control device system
11/01/2012WO2012146952A1 Radio-frequency circuit assembly
11/01/2012WO2012146326A1 Method for operating a power line communication system, power line communication device, power line communication system
11/01/2012US20120275617 Ornamental device
11/01/2012US20120275527 Isolated communications interface
11/01/2012US20120275526 Ethernet over power
11/01/2012US20120275505 Forensic diagnostic capability including g.inp
11/01/2012US20120274278 Power supply apparatus and vehicle charging apparatus
11/01/2012US20120273267 Alien Crosstalk Suppression with Enhanced Patch Cord
10/2012
10/31/2012EP2518938A2 Point-to-point and point-to-multipoint communications
10/31/2012EP2517366A1 Method for determining notching parameters and plc system
10/31/2012EP2517365A1 Method for selecting a transmission mode
10/31/2012DE102011050007A1 Stellungsregler Positioner
10/31/2012DE10085410B3 Leitungstreiber mit niedriger Verlustleistung und Verstärkungsverfahren Line driver with a low power loss and reinforcement method
10/31/2012CN202513927U Power supply and information transmission collineation device
10/31/2012CN202513926U Carrier network interface converter
10/31/2012CN202513925U Low voltage power line carrier communication device
10/31/2012CN202513924U Non-contact diagnostic device of working state of network cable
10/31/2012CN102763343A 通信终端以及通信方法 A communication terminal and a communication method
10/31/2012CN102761507A Method for processing signals
10/31/2012CN102761350A Power line and wireless mixed communication method and device thereof
10/31/2012CN102082714B EPON (Ethernet passive optical network) device containing power carrier module and signal transmission method thereof
10/31/2012CN101802753B Buffering techniques for power management
10/31/2012CN101394200B Zero frequency conversion and adaptive frequency selecting power line carrier data transmission method
10/30/2012US8301093 Receiver circuit and data transmission system
10/30/2012US8301077 Antenna network for passive and active signal enhancement
10/30/2012US8300872 Method and device for detecting a displacement and movement of a sound producing unit of a woofer
10/30/2012US8300682 Signal processing system, filter device and signal processing method
10/30/2012US8300666 Inline power-based common mode communications in a wired data telecommunications network
10/30/2012US8300561 Methods and apparatus for canceling distortion in full-duplex transceivers
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