Patents for H04B 3 - Line transmission systems (31,523) |
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07/16/1998 | WO1998031183A1 Multipoint control system |
07/16/1998 | CA2278493A1 Multipoint control system |
07/15/1998 | EP0853390A2 Echo canceller for an asymmetric digital subscriber loop modem |
07/15/1998 | EP0852890A1 Providing services in a telecommunications network |
07/15/1998 | EP0791251B1 Echo cancellation using cross-correlation of buffered receive and transmit sample segments to determine cancelling filter coefficients |
07/15/1998 | EP0756785B1 Hybrid electricity and telecommunications distribution network |
07/15/1998 | EP0617860B1 Inbound communications using electricity distribution network |
07/14/1998 | US5781590 Partial response maximum likelihood (PRML) signal processing apparatus |
07/09/1998 | WO1998029996A1 Method and device for formatting a clipping noise in a multicarrier modulation |
07/09/1998 | WO1998012810A3 Method and apparatus for producing a deterministic sequence from an iir filter |
07/09/1998 | CA2276332A1 Method and device for formatting a clipping noise in a multicarrier modulation |
07/08/1998 | EP0852433A2 A power-line communication system using pulse transmission on the AC line |
07/08/1998 | EP0852419A2 Electric power supply management system |
07/08/1998 | EP0852018A1 Electrical power distribution and communication system for an underwater cable |
07/08/1998 | EP0660985A4 Adaptive data recovery for spread spectrum systems. |
07/08/1998 | CN1187075A Difference frequency wired network path safety system |
07/08/1998 | CN1187074A Waveform equalization apparatus |
07/07/1998 | US5778308 Adaptive antenna matching |
07/07/1998 | US5778117 Device for fault localization in repeaterless transmission system |
07/07/1998 | US5778055 System for, and method of, transmitting and receiving through telephone lines signals representing data |
07/07/1998 | US5778048 Feed imbalance detector in repeated line |
07/07/1998 | US5777913 Resolution enhancement of fixed point digital filters |
07/07/1998 | US5777769 Device and method for providing high speed data transfer through a drop line of a power line carrier communication system |
07/07/1998 | US5777692 Receiver based methods and devices for combating co-channel NTSC interference in digital transmission |
07/07/1998 | US5777545 Remote control apparatus for power line communications system |
07/07/1998 | US5777544 Apparatus and method for controlling data communications having combination of wide and narrow band frequency protocols |
07/07/1998 | CA2138810C Method of and apparatus for identifying a system with adaptive filter |
07/02/1998 | WO1998028893A1 Method and apparatus for suppressing echo in telephony |
07/02/1998 | WO1998028886A2 Line terminal circuit for controlling the common mode voltage level on a transmission line |
07/02/1998 | WO1998028858A1 A termination circuit |
07/02/1998 | WO1998028857A1 Double talk and echo path change detection in a telephony system |
07/02/1998 | DE19650836C1 Verfahren zum Messen qualitätsbestimmender Parameter einer festverbundenen Nachrichtenübertragungsstrecke A method for measuring quality-determining parameters a permanently wired communications transmission link |
07/02/1998 | CA2275986A1 A termination circuit |
07/01/1998 | EP0851642A2 Multicarrier receiver with compensation for frequency offset and for frequency-dependent distortion |
07/01/1998 | EP0850527A1 Adaptive multimode equaliser |
06/30/1998 | US5774789 RF communication signal distribution system and method |
06/30/1998 | US5774564 Active controller using lattice-type filter and active control method |
06/30/1998 | US5774541 Optically-coupled data access arrangement and transhybrid |
06/30/1998 | US5774526 Reconfigurable on-demand telephone and data line system |
06/30/1998 | US5774470 Digital signal processor, error detection method, and recording medium reproducer |
06/30/1998 | US5774085 Apparatus and method for obtaining proper output signal in which gain and DC component are regulated based upon on measured amplitude distribution |
06/30/1998 | CA2075051C Signal weighting system for digital receiver |
06/25/1998 | WO1998027713A1 Passive distributed filter system and method |
06/25/1998 | WO1998027668A1 Method and apparatus for computing measures of echo |
06/25/1998 | WO1998021835A3 A method and an arrangement for adapting, from a dc point of view, a first circuit to at least one second circuit |
06/25/1998 | DE19654837A1 Bus system for electrical apparatus in supply system |
06/25/1998 | DE19654221A1 Leitungsanschlußschaltkreis zum Steuern des Gleichtaktspannungspegels auf einer Übertragungsleitung Line connection circuit for controlling the common mode voltage level on a transmission line |
06/25/1998 | CA2275274A1 Passive distributed filter system and method |
06/24/1998 | EP0849913A2 Data communication systems, data communication devices and methods |
06/24/1998 | CN1185874A System and method for avoiding false convergence in the presence of tones in a time-domain echo cancellation process |
06/24/1998 | CN1038889C Method and echo canceller for echo cancellation with a humber of cascade-connected self-adaptive filters |
06/23/1998 | US5771262 Apparatus in a data telecommunication network |
06/23/1998 | US5770996 Transformer system for power line communications |
06/23/1998 | US5770896 Input switching control device and communication circuit |
06/23/1998 | CA2102857C Technique for reducing echoes in conference communications |
06/18/1998 | WO1998026544A1 Method and apparatus for digital symbol detection using transmission medium response estimates |
06/18/1998 | CA2274843A1 Method and apparatus for digital symbol detection using transmission medium response estimates |
06/18/1998 | CA2224748A1 Data communication system, data communication device and method thereof |
06/17/1998 | EP0848522A2 A generalized multimodulus technique for blind equalization |
06/17/1998 | EP0847559A1 Methods and systems for designing and making signal-processor circuits with internal companding, and the resulting circuits |
06/16/1998 | US5768322 Transferred data recovery apparatus |
06/16/1998 | US5768313 Adaptive equilizer |
06/16/1998 | US5768312 Method and apparatus for evaluating digital transmission systems |
06/16/1998 | US5768310 Data transmission circuit for an electricity mains network having a low reception threshold |
06/16/1998 | US5768279 Broad band transmission system |
06/16/1998 | US5768165 Digital time signal filtering method and device for transmission channel echo correction |
06/12/1998 | CA2219392A1 A generalized multimodulus technique for blind equalization |
06/10/1998 | EP0847180A1 Double talk detector |
06/10/1998 | EP0847111A2 Modular plug with automatically staggered wires |
06/10/1998 | EP0847033A2 Remote control device |
06/10/1998 | DE19639162A1 Conducted signal transmission method for transmission rate |
06/10/1998 | CN1184537A Method and apparatus for data encoding and communication over noisy media |
06/10/1998 | CN1184348A Modular plug with automatically staggered wires |
06/09/1998 | US5765099 Distribution of radio-frequency signals through low bandwidth infrastructures |
06/09/1998 | US5765097 Shared hybrid fiber-coax network having reduced ingress noise in the upstream channel transmitted via a repeater |
06/09/1998 | US5764759 Call processing using previously obtained line characteristics |
06/09/1998 | US5764753 For a two way communication system |
06/09/1998 | US5764694 System for evaluating the operation of a data pump |
06/09/1998 | CA2124709C Reduced speed equalizer |
06/06/1998 | CA2219194A1 Modular plug with automatically staggered wires |
06/04/1998 | WO1998024261A2 Measuring device for the interface of a transmission link with full duplex transmission in a two-wire common frequency operation |
06/04/1998 | WO1998024221A2 Method for measuring qualitative parameters of a permanently connected message transmission link |
06/04/1998 | WO1998010556A3 Improvements in, or relating to, multi-carrier transmission systems |
06/04/1998 | WO1998010555A3 Improvements in, or relating to, multi-carrier transmission systems |
06/04/1998 | WO1998010546A3 Improvements in, or relating to, multi-carrier transmission systems |
06/03/1998 | EP0845891A2 A windowing technique for blind equalisation |
06/03/1998 | EP0845736A1 Data communication system, data communication device and memory medium, for storing data communication program |
06/03/1998 | EP0845175A1 Compensation of dispersion |
06/02/1998 | US5761638 Telephone network apparatus and method using echo delay and attenuation |
06/02/1998 | US5761635 Method and apparatus for implementing a long-term synthesis filter |
06/02/1998 | US5761383 Adaptive neural network classifier for classifying an input analog signal |
06/02/1998 | US5761246 Circuit for multiplexing a plurality of signals on one transmission line between chips |
06/02/1998 | US5761237 Method and apparatus for multiuser-interference reduction |
06/02/1998 | US5761210 Signal processing apparatus and method |
06/02/1998 | US5760822 Central node converter for local network having single coaxial cable |
05/28/1998 | WO1998023064A2 Method and device for signal repetition |
05/28/1998 | CA2272242A1 Method and device for signal repetition |
05/27/1998 | EP0844757A2 Branching system with optical add drop multiplexing function |
05/27/1998 | EP0844742A2 Method and device for signal transmission over the screen of high and medium voltage cables |
05/27/1998 | EP0843934A1 Arrangement for suppressing an interfering component of an input signal |