| Patents for H04B 3 - Line transmission systems (31,523) |
|---|
| 01/19/2000 | EP0972422A2 Subscriber loop extension system for isdn basic rate interfaces |
| 01/19/2000 | EP0972369A2 Information communication system |
| 01/19/2000 | EP0972357A2 A method for cancelling echoes in a communication system, a communication device, and a radio base station of a cordless telephone device |
| 01/19/2000 | EP0972355A2 Method and apparatus for controlling echo on both sides of a connection |
| 01/19/2000 | EP0972347A2 Serial digital data communications receiver with automatic cable equalizer, agc system, and dc restorer |
| 01/19/2000 | CN1242117A A termination circuit |
| 01/19/2000 | CN1241850A Apparatus and method for making signal coupling on high and medium voltage line |
| 01/19/2000 | CN1241849A Method for determining propagation delays and method for determining processor-clock drift in communications system |
| 01/19/2000 | CN1048605C Portable telephone circuit tester |
| 01/18/2000 | US6016519 Data communication system, data communication device and memory medium, for storing data communication program |
| 01/18/2000 | US6016379 Method and facility for equalizing an electric signal distorted due to interference in the optical domain |
| 01/18/2000 | US6016374 Optical fiber communications system with adaptive data equalizer |
| 01/12/2000 | EP0971493A2 Chromatic dispersion and nonlinearity compensation in optical fibre communication |
| 01/12/2000 | EP0971459A2 Communication plug having low complementary crosstalk delay |
| 01/12/2000 | CN1241072A Method and system for VLF ground-wave broadcast and communication |
| 01/11/2000 | US6014546 Method and system providing RF distribution for fixed wireless local loop service |
| 01/11/2000 | US6014410 Transmission-reception system which transmits and receives data via signal transmission line |
| 01/11/2000 | US6014040 Bi-directional signal transmission system |
| 01/06/2000 | WO2000000876A1 Apparatus and method for reducing energy fluctuations in a portable data device |
| 01/05/2000 | EP0969692A1 Device and method for processing speech |
| 01/05/2000 | EP0969635A2 Blind equalisation in receivers with both CAP and QAM modes |
| 01/05/2000 | EP0969605A2 Crosstalk reduction by shaping of transmit signals |
| 01/05/2000 | EP0968572A1 Multi-input wireless phone with echo suppression |
| 01/05/2000 | EP0968571A2 Method and arrangement for forming an address |
| 01/05/2000 | EP0775406B1 System for the fail-safe transmission of data via a differential bus |
| 01/04/2000 | US6012024 Method and apparatus in coding digital information |
| 01/04/2000 | US6011853 Equalization of speech signal in mobile phone |
| 01/04/2000 | US6011846 Methods and apparatus for echo suppression |
| 01/04/2000 | US6011824 Signal-reproduction method and apparatus |
| 01/04/2000 | US6011783 Method and apparatus for monitoring echo cancellation performance within a telephone communications network |
| 01/04/2000 | US6011435 Transmission-line loss equalizing circuit |
| 01/02/2000 | CA2272246A1 Blind start-up of a dual mode cap-qam receiver |
| 12/29/1999 | WO1999067940A1 Acoustic echo canceller |
| 12/29/1999 | WO1999067896A1 Idle signals and echo cancellation |
| 12/29/1999 | WO1999067880A1 Transmission of power and signals over coaxial cable, twisted pair cable, and other electric cables |
| 12/29/1999 | WO1999060720A3 Echo cancellation in digital data transmission system |
| 12/29/1999 | EP0967842A1 Setpoint signal emission on an AC network power line |
| 12/29/1999 | EP0967737A1 Digital data transmission for AC power line |
| 12/29/1999 | EP0967736A1 Filter arrangement |
| 12/29/1999 | EP0967735A1 Filter arrangement applicable to ADSL splitters |
| 12/29/1999 | EP0966800A1 Control device for the emission of carrier currents on a low voltage network |
| 12/29/1999 | EP0809883B1 Distortion correction device for a path of propagation in transmission systems |
| 12/28/1999 | US6009125 Digital transmission system that can be synchronized with initialization sequences |
| 12/28/1999 | US6009083 Cascade echo canceler arrangement |
| 12/28/1999 | US6009076 Repeating installation |
| 12/28/1999 | US6008705 Crosstalk suppression in wide, high-speed buses |
| 12/28/1999 | CA2189226C Method and system for compensating for coupling between circuits of quaded cable in a telecommunication transmission system |
| 12/26/1999 | CA2275008A1 Filter arrangement |
| 12/26/1999 | CA2275007A1 Filter arrangement applicable to adsl splitters |
| 12/23/1999 | WO1999066683A1 Impedance matching interface for transmission loop |
| 12/23/1999 | WO1999066655A1 Appliance control system utilizing bidirectional power line communications |
| 12/22/1999 | EP0966134A2 Digital subscriber line communicating system and a transceiver in the system |
| 12/22/1999 | EP0966113A1 Method and apparatus for performing equalisation in a radio receiver |
| 12/22/1999 | EP0965181A1 Power line communications system |
| 12/22/1999 | EP0965180A1 Remote control apparatus for power line communications system |
| 12/22/1999 | EP0965179A2 Method for measuring crosstalk in electric telecommunication systems |
| 12/22/1999 | EP0965178A1 System and coupling circuit for power line communications |
| 12/22/1999 | EP0965176A2 Full duplex communication circuit with a transducer for simultaneously generating audio output and receiving audio input |
| 12/22/1999 | EP0823090A4 Adaptive filtering neural network classifier |
| 12/22/1999 | CN1239609A Echo path delay estimation |
| 12/22/1999 | CN1239608A Echo canceller with silence detection |
| 12/21/1999 | US6005996 Branching unit for an optical fiber transmission system |
| 12/21/1999 | US6005890 Automatically adjusting communication system |
| 12/21/1999 | US6005640 Multiple modulation format television signal receiver system |
| 12/21/1999 | US6005477 Method and apparatus for information transmission via power supply lines |
| 12/21/1999 | US6005476 Electronic identification, control, and security system for consumer electronics and the like |
| 12/21/1999 | US6005475 Communication method and apparatus for conveyor carriages |
| 12/16/1999 | WO1999065156A2 Method and apparatus for training an echo canceler in a pcm modem context |
| 12/15/1999 | EP0811276B1 Process and circuit arrangement for connecting a load to a conductor |
| 12/15/1999 | CN1238596A AC power source filter for audio video electrical load |
| 12/14/1999 | US6002950 Satellite communication apparatus |
| 12/14/1999 | US6002776 Directional acoustic signal processor and method therefor |
| 12/14/1999 | US6002712 Timing phase control apparatus and timing phase control method |
| 12/14/1999 | CA2191703C High speed transport system |
| 12/14/1999 | CA2182383C Filtering |
| 12/14/1999 | CA2174342C A variable block size adaptation algorithm for noise-robust acoustic echo cancellation |
| 12/14/1999 | CA2132036C Communication system utilizing radiating transmission line |
| 12/09/1999 | WO1999063675A1 Suppression of rfi and impulse noise in communications channels |
| 12/09/1999 | WO1999063427A1 Method and apparatus for digital subscriber loop qualification |
| 12/09/1999 | DE19825258A1 Output buffer circuit for digital signal transmission via transmission line |
| 12/09/1999 | DE19825196A1 Verfahren zur Kopplungsbestimmung zwischen zwei Telekommunikations(=TK)-Wegen A method for determining coupling between two telecommunications (= TC) -Because |
| 12/08/1999 | EP0963084A2 Receiver for a digital transmission system |
| 12/08/1999 | EP0963080A2 Network transceiver having media independent interface |
| 12/08/1999 | EP0963079A2 Auto-negotiation systems for multiple port data communication devices |
| 12/08/1999 | EP0963058A2 Transfer apparatus and transfer method using power lines |
| 12/08/1999 | EP0963057A2 Process for measuring the coupling between two telecomunication paths |
| 12/08/1999 | EP0962031A1 Frequency signal equalizing device, specially for a satellite communications facility |
| 12/08/1999 | EP0572579B1 Device and method for linear listener echo cancellation |
| 12/08/1999 | CN1237867A Radio apparatus and method of controlling radio apparatus |
| 12/08/1999 | CN1237845A Receiver for digital transmission system |
| 12/08/1999 | CN1237833A Modem |
| 12/07/1999 | US5999901 Telephone network apparatus and method using echo delay and attenuation |
| 12/07/1999 | US5999900 Reduced redundancy test signal similar to natural speech for supporting data manipulation functions in testing telecommunications equipment |
| 12/07/1999 | US5999828 Multi-user wireless telephone having dual echo cancellers |
| 12/07/1999 | US5999795 RF GPS long cable driver |
| 12/07/1999 | US5999579 Fading equalizer |
| 12/07/1999 | US5999109 Frame-based spectral shaping method and apparatus |
| 12/07/1999 | US5999094 Combination telephone and smoke alarm system |
| 12/07/1999 | US5998978 Apparatus and method for reducing energy fluctuations in a portable data device |
| 12/07/1999 | CA2128881C Method and apparatus of adaptive maximum likelihood sequence estimation using filtered correlation synchronization |