Patents
Sitemap › H04 - Electric communication technique › H04B - Transmission › H04B 3 - Line transmission systems
Patents for H04B 3 - Line transmission systems (31,523)
04/2010
04/15/2010US20100091823 Two-hop Relay for Reducing Distance Vector Routing Information
04/15/2010US20100090948 Apparatus, system, method, and program for processing information
04/15/2010DE202009015444U1 Hybrid-Netzwerkübertrager Hybrid network transformer
04/14/2010EP2174457A1 Pseudo-differential interfacing device having a switching circuit
04/14/2010EP2174426A1 Method for transmitting a signal over a power line channel and power line communication modem
04/14/2010EP2174425A1 Transmitter for intrinsically safe data transmission devices
04/14/2010CN201438697U Power distributor for medium-voltage carrier communication
04/14/2010CN1868136B Echo canceller
04/14/2010CN1558564B Power line based data communication system and realizing method thereof
04/14/2010CN101695006A Device, system and system for testing SRA function of DSL device
04/14/2010CN101694926A Substation and setting method thereof, and method for transmitting signals between control units
04/14/2010CN101694915A Outlet add-on module
04/13/2010US7697888 Broad distribution bi-directional user terminal at configurable broadcast frequencies
04/13/2010US7697887 Intra-premises wireless broadband service using lumped and distributed wireless radiation from cable source input
04/13/2010US7697696 Audio amplification apparatus with howling canceler
04/13/2010US7697462 System and method for split isolation in radio frequency electronics
04/13/2010US7697408 Data communication system and method capable of limiting effects of crosstalk by adjusting transceiver power levels
04/13/2010US7696860 Electromagnetic field tactile display interface and biosensor
04/13/2010US7696839 Signal waveform equalizer circuit and receiver circuit
04/13/2010US7696838 Equalizing filter circuit
04/13/2010US7696777 System for transmission line termination by signal cancellation
04/13/2010US7696636 Midspan powering in a Power over Ethernet system
04/08/2010WO2010039437A1 Multiple microphone switching and configuration
04/08/2010WO2010037957A1 Transmission method taking echo into account
04/08/2010WO2010037583A1 Method and system for communicating data with an inaccessible electronic device
04/08/2010US20100088537 Method and device for bus arbitration, converter and production facility
04/08/2010US20100086122 Echo canceller and echo cancelling method and program
04/08/2010US20100086019 High-Speed Decoder for a Multi-Pair Gigabit Transceiver
04/08/2010US20100085168 Tactile stimulation device and apparatus using the same
04/08/2010US20100085128 Electro-magnetic bandgap structure
04/08/2010US20100085101 Reception comparator for signal modulation upon a supply line
04/08/2010US20100084216 Power supply circuit and signal detection apparatus
04/08/2010DE102008044147A1 Empfangskomparator für Signalmodulation auf Versorgungsleitung Receiving comparator for signal modulation on power line
04/07/2010EP2173040A1 Single-port signal repeater
04/07/2010EP2171955A1 Equalizer filter with mismatch tolerant detection mechanism for lower and higher frequency gain loops
04/07/2010EP2171850A1 Pseudo-differential interfacing device having a termination circuit
04/07/2010CN1734959B Countryside information network for connecting main optical cable based on digital power line
04/07/2010CN1560852B 波形均衡器 Waveform equalizer
04/07/2010CN101692748A Mobile communication relay system and communication method
04/07/2010CN101026659B Method for realizing echo time delay positioning
04/06/2010US7694317 CATV transmission line monitoring system, method, and program
04/06/2010US7693922 Method for preprocessing a signal and method for signal processing
04/06/2010US7693291 Multi-channel frequency-domain adaptive filter method and apparatus
04/06/2010US7693214 Receiving device and analog-to-digital conversion device
04/06/2010US7693213 Method and apparatus for determining power required for data transmission in communication systems
04/06/2010US7692563 Multiple differential transmission system including signal transmitter and signal receiver connected via three signal lines
04/06/2010US7690949 Modular outlet
04/01/2010WO2010035740A1 Millimetre wave transmission device, millimetre wave transmission method and millimetre wave transmission system
04/01/2010WO2010035660A1 In-millimeter-wave dielectric transmission device and method for manufacturing same, and wireless transmission device and wireless transmission method
04/01/2010WO2010035658A1 Signal processing method, signal processing device, and signal processing program
04/01/2010WO2010035657A1 Signal processing method, signal processing device, and signal processing program
04/01/2010WO2010035308A1 Echo cancelling device
04/01/2010WO2010035088A2 Method and apparatus for exclusive identification of control signals along an electric railway line
04/01/2010WO2010034679A1 Protection circuit for an electronic component and circuit arrangement
04/01/2010US20100080398 Method and system for hearing device fitting
04/01/2010US20100080306 Communication system, communication device, communication terminal, and communication setting method
04/01/2010US20100079265 Relay apparatus, communication system, and communication method
04/01/2010US20100079263 Information processing apparatus and information processing method
04/01/2010US20100079216 Adaptive equalizer circuit
03/2010
03/31/2010EP2169843A1 Transmission cable controller system and method of use
03/31/2010EP2168251A1 Communication methods and devices
03/31/2010CN201435729Y Modem for carrier communication of low-voltage power line
03/31/2010CN201435301Y Clamping-type inductive coupler
03/31/2010CN101690018A Communication apparatus and communication method
03/31/2010CN101689887A Communication terminal device and communication method
03/31/2010CN101689886A Correction circuit and test device
03/31/2010CN101686067A Method, device and system for enhancing line stability
03/30/2010US7689164 Relay apparatus, communication terminal, communication system, and semiconductor integrated circuit
03/30/2010US7688866 Communication system and communication method
03/30/2010US7688841 Modular outlet
03/30/2010US7687938 Superconducting shielding for use with an integrated circuit for quantum computing
03/30/2010US7686653 Modular outlet
03/30/2010CA2414777C Spread spectrum meter reading system utilizing low-speed/high-power frequency hopping
03/29/2010CA2674364A1 Microcontroller network diagnostic system
03/25/2010WO2010033245A1 Power line communication using frequency hopping
03/25/2010WO2010033244A1 Transparent routing in a power line carrier network
03/25/2010WO2010031186A1 Wideband speakerphone
03/25/2010US20100075594 Apparatus and method for calibration for relay station in multiple antenna communication system
03/25/2010US20100074452 Acoustic echo control
03/25/2010US20100074434 Echo cancelling device, communication device, and echo cancelling method having the error signal generating circuit
03/25/2010US20100074433 Multichannel Acoustic Echo Cancellation
03/25/2010US20100074315 Noise sampling detectors
03/25/2010US20100074313 Transmission cable controller system and method of use
03/25/2010US20100074095 Transmitter circuit to compensate for influence of crosstalk noise in pre-emphasis scheme
03/25/2010US20100073151 Tactile Display Apparatus and Method Thereof
03/25/2010US20100073150 Robotic catheter system including haptic feedback
03/25/2010CA2737961A1 Wideband speakerphone
03/24/2010EP2166430A1 Bus interface for coupling a field device to a field bus
03/24/2010EP2165487A2 Managing communications over a shared medium
03/24/2010EP2165473A2 Communication method, communication apparatus, integrated circuit and circuit module
03/24/2010EP2165423A1 Power-line communication method, power-line communication device, and power-line communication system
03/24/2010CN101682810A Video conference device
03/24/2010CN101682369A Power line communication device and power line communication method
03/24/2010CN101682368A Power-line communication method, power-line communication device, and power-line communication system
03/24/2010CN101682367A Signal quality determination in cable networks
03/24/2010CN101682366A Sound signal processor and delay time setting method
03/23/2010US7684752 Wireless network providing distributed video / data services
03/23/2010US7684578 Wave field synthesis apparatus and method of driving an array of loudspeakers
03/23/2010US7684559 Acoustic echo suppressor for hands-free speech communication
03/23/2010US7684499 Multi-band line interface circuit with line side cancellation
1 ... 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 ... 316