| Patents for H04B 3 - Line transmission systems (31,523) |
|---|
| 07/22/1999 | WO1999036802A1 Downhole inductively coupled digital electronic system |
| 07/22/1999 | DE19623912C1 Circuit configuration for identifying errors in telecommunication lines and cables |
| 07/21/1999 | EP0930754A2 Blind automatic gain control |
| 07/21/1999 | EP0930750A1 Method of upstream channel modeling for PCM modem |
| 07/21/1999 | EP0930746A1 Hub for computer system |
| 07/21/1999 | EP0930726A2 Method for echo cancelling with adaptive FIR filters |
| 07/21/1999 | EP0930725A2 Device and method for echo cancellation with adaptive FIR-filters |
| 07/21/1999 | EP0929946A1 Echo canceller with silence detection |
| 07/21/1999 | EP0929945A1 Echo path delay estimation |
| 07/21/1999 | CN2330116Y Signal regulator for transmission |
| 07/21/1999 | CN1223506A Nonlinearity-caused distortion compensating system |
| 07/20/1999 | US5926067 Sweep pilot technique for a control system that reduces distortion produced by electrical circuits |
| 07/20/1999 | CA2130225C Interconnection structure for crosstalk reduction to improve off-chip selectivity |
| 07/16/1999 | CA2257550A1 Process for echo suppression with adaptive fir filters |
| 07/16/1999 | CA2257548A1 Equipment and processes for echo suppression with adaptive fir filters |
| 07/15/1999 | WO1999035814A2 Methods and apparatus for improved echo suppression in communications systems |
| 07/15/1999 | WO1999035813A1 Methods and apparatus for providing comfort noise in communications systems |
| 07/15/1999 | WO1999035812A1 Methods and apparatus for controlling echo suppression in communications systems |
| 07/15/1999 | WO1999023779A3 Composite trellis system and method |
| 07/15/1999 | CA2317425A1 Methods and apparatus for providing comfort noise in communications systems |
| 07/14/1999 | EP0929174A2 Voice switching system capable of improving a quality of conversation |
| 07/14/1999 | EP0929171A2 Data transmission over power lines, using continuous phase signals |
| 07/14/1999 | EP0929160A2 Apparatus and method for reducing local interference in subscriber loop communication system |
| 07/14/1999 | EP0928540A4 Multiple modulation format television signal receie system |
| 07/14/1999 | EP0928540A1 Multiple modulation format television signal receiver system |
| 07/14/1999 | EP0928524A2 Pipeline communication system |
| 07/14/1999 | CN1223036A Echo suppressor and non-linear processor of echo canceller |
| 07/14/1999 | CN1222795A Wire connected digital information transmission device |
| 07/13/1999 | US5923849 Method of auditing communication traffic |
| 07/13/1999 | US5923708 Decoding circuit for a read signal from a magnetic recording and reading system using partial response |
| 07/13/1999 | US5923363 Apparatus for powering a television interphone monitor via a signal transmission line |
| 07/13/1999 | US5923226 Automatic equalizer |
| 07/13/1999 | CA2141351C An optical regenerator and an optical transmission system |
| 07/13/1999 | CA2139895C Residual echo elimination with proportionate noise injection |
| 07/08/1999 | WO1999034504A1 Device and method for detecting pcm upstream digital impairments in a communication network |
| 07/07/1999 | EP0928088A2 Transmitter-end equalistion |
| 07/07/1999 | EP0927981A2 Arrangement for data and/or energy transmission with separation unit |
| 07/07/1999 | EP0927469A2 High speed communications system for analog subscriber connections |
| 07/07/1999 | EP0927467A1 Multispeed modem with echo-cancelling by means of an integrator in a feedback path |
| 07/07/1999 | CN1222276A Digital radio frequency interference canceller |
| 07/07/1999 | CN1222269A Radio frequency noise canceller |
| 07/07/1999 | CN1222038A Ingress noise measuring device in data communication network using CATV network |
| 07/06/1999 | US5920834 Echo canceller with talk state determination to control speech processor functional elements in a digital telephone system |
| 07/06/1999 | US5920802 System and method to improve power distribution in a coaxial cable amplifier |
| 07/06/1999 | US5920599 Soft decision decoder |
| 07/06/1999 | US5920594 For filtering an input signal into an output signal |
| 07/06/1999 | US5920548 Echo path delay estimation |
| 07/06/1999 | US5920543 Double ring-type local area network system capable of switching transmission paths without interruption |
| 07/06/1999 | US5920253 For implementing a control system |
| 07/01/1999 | WO1999033215A1 Spectral optimization and joint signaling techniques for communication in the presence of cross talk |
| 07/01/1999 | WO1999033201A1 System and method for factoring a merged wave field into independent components |
| 07/01/1999 | WO1999033195A1 Adaptive non-linear echo compensator |
| 07/01/1999 | DE19860094A1 Reception of RF signals in spread-spectrum data transmission system |
| 07/01/1999 | CA2315196A1 Spectral optimization and joint signaling techniques for communication in the presence of cross talk |
| 06/30/1999 | EP0926841A2 Method of and apparatus for testing a telecommunications link |
| 06/30/1999 | EP0926840A2 Method and system for switching between echo cancellers |
| 06/30/1999 | CN1221266A Bidirectional trunk amplifier and modem for cable hybrid fiber and coax network |
| 06/30/1999 | CN1043941C Interface circuit with transparent impedance |
| 06/30/1999 | CA2257052A1 Method and apparatus for transparent optical communication with two-fiber bidirectional ring with autoprotection and management of low priority traffic |
| 06/29/1999 | US5917862 Information reproducing apparatus and its automatic equalization maximum likelihood detecting method |
| 06/29/1999 | US5917856 Method for establishing a PAM signal connection using a training sequence |
| 06/29/1999 | US5917853 Method of and apparatus for training high speed digital telephonic modems to obviate imperfections in the telephone channel, while simultaneously allowing conversation |
| 06/29/1999 | US5917809 Asymmetric digital subscriber loop modem and method |
| 06/29/1999 | US5917635 Optical repeaters for single-and multi-wavelength operation with dispersion equalization |
| 06/29/1999 | CA2255352A1 Enhanced locating and communication service |
| 06/24/1999 | WO1999031866A1 Apparatus and method for adapting an echo canceller in a communication system |
| 06/24/1999 | WO1999031852A1 Multi-carrier method and device for implementing said method |
| 06/24/1999 | WO1999018675A3 Coupling communications signals to a power line |
| 06/24/1999 | WO1999010987A9 Predistortion linearizer circuit |
| 06/24/1999 | WO1999003244A3 Method of and device for measuring echo parameters on telephone lines |
| 06/24/1999 | DE19757337C1 Non-linear echo canceller for communication signal |
| 06/23/1999 | EP0924955A2 Arrangement for wireline digital message transmission |
| 06/23/1999 | EP0924911A1 Multicarrier method of transmission on power distribution networks |
| 06/23/1999 | EP0924905A2 Equaliser training for multicarrier transmission |
| 06/23/1999 | EP0924889A2 Intermediate amplification device in a transmission network |
| 06/23/1999 | EP0924874A2 Method and device for the suppression of interfering signals in coaxial cables |
| 06/23/1999 | EP0924873A2 Detection of answering tone for modems and faxmachines |
| 06/23/1999 | EP0923813A1 Global telecommunication, monitoring and telesignalling network |
| 06/23/1999 | CN1220530A Link interface interconnecting two units in telecommunications system |
| 06/23/1999 | CA2256811A1 External optical modulation system comprising a predistorting device |
| 06/22/1999 | US5914983 Digital signal error reduction apparatus |
| 06/22/1999 | CA2098011C Communication signal having a time domain pilot component |
| 06/20/1999 | CA2256576A1 Method of and apparatus for testing a telecommunications link |
| 06/19/1999 | CA2256562A1 A method of and an apparatus for training tap coefficients of an adaptive equalizer |
| 06/17/1999 | WO1999030434A1 Power line communication system |
| 06/17/1999 | WO1999016246A3 Pay-per-view program access control system |
| 06/17/1999 | WO1999007119A9 Truncated maximum likelihood sequence estimator for wireless local area networks |
| 06/17/1999 | WO1998054893A3 Video signal equalization system |
| 06/17/1999 | CA2255169A1 Detection of the answering tone for modems and fax machines |
| 06/16/1999 | EP0923244A2 Intermediate amplifier for a communications network for receiving and retransmitting frequency multiplexed signals |
| 06/16/1999 | EP0923213A2 Compensation of nonlinearlities in transmitters using quadrature modulation |
| 06/16/1999 | EP0923212A2 Bus coupler |
| 06/16/1999 | EP0922346A2 Improvements in, or relating to, multi-carrier transmission systems |
| 06/16/1999 | EP0922341A2 Improvements in, or relating to, multi-carrier transmission systems |
| 06/16/1999 | CA2255272A1 Process and arrangement for suppressing parasitic signals in coaxial cables |
| 06/15/1999 | US5912966 Enhanced echo canceller for digital cellular application |
| 06/15/1999 | US5912931 Method for multicarrier signal detection and parameter estimation in mobile radio communication channels |
| 06/15/1999 | US5912924 Bidirectional channels using common pins for transmit and receive paths |
| 06/15/1999 | US5912923 System for transmitting coded speech signals |
| 06/15/1999 | US5912828 Equalizer filter configuration for processing real-valued and complex-valued signal samples |