| Patents for H04B 3 - Line transmission systems (31,523) |
|---|
| 01/07/1993 | EP0521341A2 Equalizer for optically transmitted communication signals |
| 01/07/1993 | EP0521197A1 Method for determining equalization delays in a transmission system and related transmission system |
| 01/07/1993 | DE4122730A1 Schaltungsanordnung fuer eine leitungsnachbildungseinrichtung Circuit arrangement for a balancing means |
| 01/05/1993 | US5177734 Multirate wire line modem apparatus |
| 01/05/1993 | CA1312356C Receiver capable of improving signal-to-noise ratio in reproducing digital signal |
| 01/03/1993 | WO1993001673A1 Method and system for calculating channel gain |
| 12/30/1992 | EP0520969A2 Maximum likelihood sequence estimation for a mobile digital cellular radio receiver |
| 12/30/1992 | EP0520877A1 Method and device for managing information transmission over mains applied to a domestic network |
| 12/30/1992 | EP0520876A1 Method and system of communication of information and control data applied to a domestic network |
| 12/29/1992 | WO1993000747A1 Automatic frequency control by an adaptive filter |
| 12/29/1992 | WO1993000741A1 A method for optimizing an adaptive filter update coefficient |
| 12/29/1992 | US5175763 Two-wire/four-wire converter |
| 12/29/1992 | US5175745 Transversal type automatic equalizer with tap coefficient protection |
| 12/28/1992 | CA2068964A1 Maximum likelihood sequence estimation based equalization within a mobile digital cellular receiver |
| 12/23/1992 | EP0519551A1 Echo canceller with control device for centre clipper |
| 12/23/1992 | EP0519498A2 Terminal apparatus for full-duplex data transmission having an echo canceller |
| 12/23/1992 | CN1067343A Decametric wave coupling device between two unbalanced lines and balanced line |
| 12/22/1992 | US5173925 Demodulating system capable of accurately equalizing received signals using error correction codes |
| 12/22/1992 | US5173768 Adaptive pal - or ntsc - comb filter |
| 12/16/1992 | EP0518383A2 Method and arrangement of echo elimination in digital telecommunications system |
| 12/15/1992 | US5172411 Two-wire/four-wire converter |
| 12/08/1992 | US5170081 Ground isolation circuit |
| 12/08/1992 | US5169339 Electrical connector |
| 12/02/1992 | EP0516216A2 Echo cancellation system |
| 12/02/1992 | EP0516133A2 Adaptive maximum likelihood sequence estimator using channel estimators of respective order of impulse response |
| 12/02/1992 | EP0515761A1 Adaptive equalization system and method for equalizing a signal into a DCE |
| 12/01/1992 | US5168510 Spread spectrum-time diversity communications systems and transceivers for multidrop area networks |
| 12/01/1992 | CA2067461A1 Automatic equalizer for a data transmission channel |
| 12/01/1992 | CA1311032C Two-wire telemetering system including power regulated transmitting device |
| 11/26/1992 | WO1992021200A1 Apparatus and method for reducing errors in data caused by noise |
| 11/26/1992 | WO1992021194A1 Power line communication while avoiding determinable interference harmonics |
| 11/26/1992 | WO1992021180A1 Power line coupling network |
| 11/26/1992 | WO1992021177A1 Drive amplifier for power line communications |
| 11/26/1992 | WO1992021086A1 Binary data error correction using hint signal |
| 11/26/1992 | DE4216911A1 Verbesserung bei echowiederkehrverlusten Improvement in echo recurring losses |
| 11/25/1992 | EP0515251A1 Decametric wave switching device between two assymetric lines and a symmetric line, and transmitting station comprising such device |
| 11/25/1992 | EP0515242A1 Method for optimizing the quality of telephone communications |
| 11/25/1992 | EP0515057A2 Semiconductor integrated device for echo cancelling |
| 11/25/1992 | EP0514991A2 Method and apparatus for digital filter control in a partial-response maximum-likelihood disk drive system |
| 11/25/1992 | CN1066541A Circuit of duplex wired intercom |
| 11/25/1992 | CA2069249A1 Decametric wave coupling device between two unbalanced lines and a balanced line |
| 11/24/1992 | US5166673 Method for controlling and/or monitoring a communication transmission equipment for transmission errors for the implementation of the method |
| 11/24/1992 | CA1310708C Adaptive, digital filter including a non-recursive part and a recursive part |
| 11/18/1992 | CN1066351A Power line frequency-amplitude cable station |
| 11/17/1992 | US5164989 Echo cancellation methods and apparatus for voice processing systems |
| 11/17/1992 | US5164962 Adaptive equalizer with midburst correction capability |
| 11/12/1992 | WO1992019839A1 Method and device for increasing signal transmission rates on multifunction downhole cables |
| 11/11/1992 | WO1992021202A1 A system for echo cancellation comprising a ghost cancellation reference signal |
| 11/11/1992 | EP0512712A2 Equaliser, operable in decision-feedback or fractional modes |
| 11/11/1992 | EP0512106A1 Spectrally selective dithering and color filter mask for increased image sensor blue sensitivity. |
| 11/10/1992 | US5163048 Two-wire extended serial bus communications system with collective echoing of data transmitted from peripheral stations |
| 11/10/1992 | US5163044 For use in a communication system |
| 11/10/1992 | US5162812 Technique for achieving the full coding gain of encoded digital signals |
| 11/10/1992 | CA1310079C Saw device tapped delay line and apparatus using same |
| 11/04/1992 | EP0511915A1 Method and apparatus for increasing the transmission rates of signals in multi-function borehole cables |
| 11/04/1992 | EP0511886A1 Phase shifter with vector modulator |
| 11/04/1992 | EP0511773A2 Equalizer for correcting frequency shift of centre frequency |
| 11/04/1992 | EP0511698A1 Semi-recursive adaptive equalizer |
| 10/30/1992 | CA2065540A1 Vector modulated phase shifter circuit |
| 10/29/1992 | WO1992019048A1 Device for treating the residual echo of a cancellor which cancels the echo signal of a digital speech signal |
| 10/28/1992 | EP0510976A2 Level independent automatic cable equalizer |
| 10/28/1992 | CN2120410U Data communication interface processor for power cord computer network |
| 10/28/1992 | CN1065765A Signal weighting system for digital receiver |
| 10/27/1992 | US5159565 Method for the determination of fir filter coefficients in equalizers |
| 10/27/1992 | CA2063350A1 Level independent automatic cable equalizer |
| 10/22/1992 | DE4111223A1 Information signal exchange appts. between tractor and trailer - transfers data and signals for signal illumination etc. by modulated and coded signal |
| 10/21/1992 | EP0484383A4 Digital filter and method of design |
| 10/20/1992 | US5157760 Digital signal encoding with quantizing based on masking from multiple frequency bands |
| 10/20/1992 | US5157691 Digital equalizer and fm receiver having same |
| 10/20/1992 | US5157653 Residual echo elimination with proportionate noise injection |
| 10/20/1992 | US5157596 Adaptive noise cancellation in a closed loop control system |
| 10/15/1992 | WO1992017968A1 Data communication network providing power and message information |
| 10/15/1992 | WO1992017949A1 Process for finding the transmission properties of an electric line |
| 10/14/1992 | EP0508847A2 An echo canceller |
| 10/13/1992 | US5155466 Automatic frequency control system |
| 10/07/1992 | EP0507443A2 Data receiver for portable telephone set with high frame synchronisation probability |
| 10/07/1992 | CN1065170A A.c duplex carrier telphony set |
| 10/06/1992 | US5153875 Adaptive balancing network |
| 10/06/1992 | US5153808 Procedure and apparatus for protection of a data transmission network |
| 10/06/1992 | US5153527 Demodulation apparatus having reception state evaluation |
| 10/06/1992 | US5153448 Information separation device |
| 10/01/1992 | WO1992017004A1 Device for controlling the convergence of a digital voice signal echo canceller |
| 10/01/1992 | WO1992016920A1 Signalling system and method |
| 10/01/1992 | WO1992016897A1 Dynamical system analyser |
| 10/01/1992 | DE4209761A1 Verfahren zum ermitteln der uebertragungseigenschaften eines elektrischen systems Method for determining the electric system of a uebertragungseigenschaften |
| 09/30/1992 | EP0505884A2 Arithmetic circuit, and adaptive filter and echo canceler using it |
| 09/30/1992 | EP0505829A2 System for optical signal transmission, particularly optical cable TV system, with monitoring and service channel device |
| 09/30/1992 | EP0300016B1 Device for the remote transmission of signals, particularly video signals |
| 09/29/1992 | US5151937 Adaptive echo canceller |
| 09/29/1992 | US5151924 Automatic equalization method and apparatus |
| 09/28/1992 | WO1992017938A2 Differential driver/receiver circuit |
| 09/28/1992 | CA2108040A1 Differential driver/receiver circuit |
| 09/28/1992 | CA2106973A1 Process for finding the transmission properties of an electric line |
| 09/24/1992 | DE4108573A1 Conductor regenerator for digital transmission system on metal cable - has cable connecting blocks permitting electro-optical and opto-electrical signal conversion with transition between corresp. transmission systems |
| 09/23/1992 | EP0505283A2 Device for the galvanic insulation of DC electrical signals or signals containing a DC component |
| 09/23/1992 | EP0505223A1 Apparatus for transmission of digital information on a line of a power distribution network |
| 09/23/1992 | EP0504306A1 Waveshaping transversal filter and method utilizing the same for data transmission over coaxial cable |
| 09/22/1992 | US5150400 Method of controlling a data terminal equipment for equalizing a transmission line characteristic and data terminal equipment using the same |
| 09/22/1992 | US5150380 Receiver capable of removing both intersymbol interference and frequency offset |
| 09/22/1992 | US5150318 Digital filter system with anomaly detection and indication |