| Patents for H04B 3 - Line transmission systems (31,523) |
|---|
| 07/31/2008 | US20080181421 Filter Coefficient Setting Device and Echo Prevention Device |
| 07/31/2008 | US20080181420 Signal detection using multiple detectors |
| 07/31/2008 | US20080181316 Partitioned Signal and Power Transfer Across an Isolation Barrier |
| 07/31/2008 | US20080181315 Two-wire serial handshaking communication interface and method thereof |
| 07/31/2008 | US20080181291 Method and apparatus for identifying co-channel interference |
| 07/31/2008 | US20080181289 Digital signal analysis with evaluation of selected signal bits |
| 07/31/2008 | US20080180190 Phase shifter circuit |
| 07/31/2008 | DE102007004397A1 Method for transfer of data derived from building technology device, involves connecting building technology device with operating unit for illuminant |
| 07/31/2008 | DE10101196B4 Interfaceschaltung und Verfahren für Digitalsignale Interface Circuit and method for digital signals |
| 07/30/2008 | EP1949553A1 Method and apparatus for power line communication |
| 07/30/2008 | EP1949552A1 Configuration of echo cancellation |
| 07/30/2008 | EP1627519A4 Method and device for frequency translation in powerline communications |
| 07/30/2008 | EP1513268B1 Method and apparatus for increasing receiver immunity to interference |
| 07/30/2008 | CN201094151Y Wave carrier concentrator |
| 07/30/2008 | CN101232409A Collocating method of asymmetry numeral subscriber circuit terminal unit |
| 07/30/2008 | CN101232384A Method and device for testing switch with Ethernet power supply function |
| 07/30/2008 | CN101232381A Transmission line and data transmission system using the same |
| 07/30/2008 | CN101232308A Electric power elongation socket outlet using carrier transmission signal |
| 07/30/2008 | CN101232307A Network cable / module connectivity testing device |
| 07/30/2008 | CN101232306A Crosstalk test approach of second generation ultra-high speed numeral user loop switch-in user |
| 07/30/2008 | CN101232305A Method and apparatus for adapting Ethernet signal transmission |
| 07/30/2008 | CN100407594C 语音通信设备、抑制声音回声的方法和频谱整形器 A voice communication device, a method of suppressing the echo sound and spectral shaper |
| 07/30/2008 | CN100407587C 一种毫米波接收模块 A millimeter wave receiver module |
| 07/29/2008 | US7406536 Dynamic power line access connection |
| 07/29/2008 | US7406140 Wraparound canceller, relay system, and wraparound cancelling method |
| 07/29/2008 | US7406122 Equalizer and method of setting initial value for same |
| 07/29/2008 | US7406117 XDSL multi-hybrid modem with power spectral density shaping |
| 07/29/2008 | US7406094 Power line communication network |
| 07/29/2008 | CA2232562C Electrical power distribution and communication system for an underwater cable |
| 07/24/2008 | WO2008088541A1 Voice command of audio emitting device |
| 07/24/2008 | WO2008086908A1 A method for determining the current return path integrity in an electric device connected or connectable to a further device |
| 07/24/2008 | WO2007121148A3 Network devices for separating power and data signals |
| 07/24/2008 | US20080176525 Dynamic regulation of power consumption of a high-speed communication system |
| 07/24/2008 | US20080175403 Wireless Audio Sharing |
| 07/24/2008 | US20080175327 System for reducing cross-talk induced source synchronous bus clock jitter |
| 07/24/2008 | US20080174380 Method and circuit for providing rf isolation of a power source and an rf device employing such a circuit |
| 07/23/2008 | EP1946464A2 Visible light communication apparatus and visible light communication method |
| 07/23/2008 | EP1946454A1 Echo path change detection in a network echo canceller |
| 07/23/2008 | EP1438810B1 Method for controlling a plurality of networked units and network comprising a plurality of units |
| 07/23/2008 | CN101228723A Communication apparatus and coexistence method for enabling coexistence of communication systems |
| 07/23/2008 | CN101227603A Plug and play network digital image display and image monitoring system |
| 07/23/2008 | CN101227518A ADSL/VDSL segregator multi module automatic detection system |
| 07/23/2008 | CN101227295A Ethernet transmission method and Ethernet transmitting/receiving device based on coaxial cable network |
| 07/23/2008 | CN101227294A Ethernet transmission method and Ethernet transmitting/receiving device based on coaxial cable network |
| 07/23/2008 | CN100405755C Self-adaptive echo bucking device capable of automatically compensating delay and making double-end detection |
| 07/23/2008 | CN100405415C Sensor cable and amplifier-separated type sensor with the cable |
| 07/23/2008 | CN100405336C Wiring architecture for transmission wires in high speed printed circuit board |
| 07/22/2008 | US7403742 Multi-band cellular service over CATV network |
| 07/22/2008 | US7403610 Echo canceller employing dual-H architecture having split adaptive gain settings |
| 07/22/2008 | US7403609 Multi-channel echo cancel method, multi-channel sound transfer method, stereo echo canceller, stereo sound transfer apparatus and transfer function calculation apparatus |
| 07/22/2008 | US7403608 Echo processing devices for single-channel or multichannel communication systems |
| 07/22/2008 | US7403097 Conformal repeater unit |
| 07/17/2008 | WO2008085448A1 Common mode adaptive equalization |
| 07/17/2008 | WO2008084238A1 Filtering device |
| 07/17/2008 | WO2008084002A1 Apparatus |
| 07/17/2008 | WO2008062380A3 Signal transmission system |
| 07/17/2008 | US20080170712 Sound amplification system |
| 07/17/2008 | US20080170711 Parametric representation of spatial audio |
| 07/17/2008 | US20080170610 High Speed Serial Test Circuits |
| 07/17/2008 | US20080170515 Single transducer full duplex talking circuit |
| 07/17/2008 | US20080169911 Touch sensor with tactile feedback |
| 07/17/2008 | DE10038729B4 Verfahren zur Steuerung und Administration von teilnehmerbezogenen Diensten, die über die multimediale Infrastruktur eines CATV-Netzes angeboten werden Procedures for monitoring and administration of subscriber-related services which are offered via the multimedia infrastructure of CATV network |
| 07/16/2008 | EP1944877A1 Method of modifying a residual echo |
| 07/16/2008 | EP1943730A1 Reduction of digital filter delay |
| 07/16/2008 | CN101223767A Method and system for low delay echo cancelling |
| 07/16/2008 | CN101223726A Emulation and debug interfaces for testing an integrated circuit with an asynchronous microcontroller |
| 07/16/2008 | CN101222555A System and method for improving audio speech quality |
| 07/16/2008 | CN101222244A Crosstalk eliminating method and device |
| 07/16/2008 | CN101222243A Filter coefficient setting device and echo prevention device |
| 07/16/2008 | CN101222242A Method and device for reducing VDSL high-frequency crosstalk |
| 07/15/2008 | US7401166 Method and system for controlling and exchanging data for multimedia appliances and an appliance suitable therefor |
| 07/15/2008 | US7401120 Method and apparatus for universal data exchange gateway |
| 07/15/2008 | US7400858 Radiative focal area antenna transmission coupling arrangement |
| 07/15/2008 | US7400856 Method and apparatus for relay facilitated communications |
| 07/15/2008 | US7400677 Method and apparatus for channel equalization |
| 07/15/2008 | US7400673 Method of determining and displaying powers of code channels and analysis device |
| 07/15/2008 | US7400212 Self-tuned active bandpass filters |
| 07/15/2008 | CA2466579C Method and system for classifying network connections |
| 07/15/2008 | CA2342484C Method and apparatus for supplying power to a load circuit from alternate electric power sources |
| 07/15/2008 | CA2311365C Crosstalk reduction in a bidirectional optical link |
| 07/10/2008 | WO2008083395A2 Unknown destination traffic repetition |
| 07/10/2008 | WO2008083086A2 System and method for acoustic echo removal (aer) |
| 07/10/2008 | WO2008081668A1 Power line communication device and its communication control method |
| 07/10/2008 | WO2008045332A3 Interference cancellation system |
| 07/10/2008 | US20080167869 Speech Recognition Apparatus |
| 07/10/2008 | US20080165983 Multi-source distributed audio amplification and control system for structured wiring systems |
| 07/10/2008 | US20080165837 Test circuit for serial link receiver |
| 07/10/2008 | DE112006002330T5 System und Verfahren für eine elektrische Motorsteuerung System and method for an electric motor control |
| 07/10/2008 | DE102007012902B3 Bit line pair and amplifier arrangement for use in e.g. dynamic RAM, of computer system, has read amplifiers whose positions along bit line direction are selected such that coupling paths have same coupling characteristics |
| 07/09/2008 | EP1942583A1 Echo suppressing method and device |
| 07/09/2008 | EP1942582A1 Echo suppressing method and device |
| 07/09/2008 | EP1942581A1 Signal receiving apparatus including equalizer, terminal apparatus, signal receiving method, and signal receiving program |
| 07/09/2008 | EP1942561A2 Outlet add-on module |
| 07/09/2008 | EP1941628A1 Method, device and program product for estimating propeties of a telecommunication transmission line |
| 07/09/2008 | EP1652348B1 Terminal device and method for master-slave handover in media access communication system |
| 07/09/2008 | EP1500211B1 Adapter for communicating over power line |
| 07/09/2008 | CN201084173Y An electrical equipment management tracker |
| 07/09/2008 | CN101218776A Phantom use in DSL systems |
| 07/09/2008 | CN101218756A Communications device and communications method |
| 07/09/2008 | CN101218755A High frequency signal hub |