Patents for H04B 3 - Line transmission systems (31,523) |
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05/27/1998 | EP0843933A2 Transmission of a digital information signal having a specific first sampling frequency |
05/27/1998 | EP0843917A1 Improvements in or relating to power switching of optical fibre cable branching units |
05/27/1998 | CN1183192A Adaptive filter for use in a TDM/TDMA receiver |
05/26/1998 | USRE35809 Digital signal encoding with quantizing based on masking from multiple frequency bands |
05/26/1998 | US5757936 Audio and video signal distribution system and method |
05/26/1998 | US5757906 Method of canceling echoes and echo canceler |
05/26/1998 | US5757905 Telephone set with circuit for suppression of howling and echo |
05/26/1998 | US5757849 Timing recovery in a network-synchronized modem |
05/26/1998 | US5757265 Multiple-cable field bus system |
05/26/1998 | US5757249 Communication system having a closed loop bus structure |
05/26/1998 | US5757246 Method and apparatus for suppressing passive intermodulation |
05/22/1998 | WO1998021835A2 A method and an arrangement for adapting, from a dc point of view, a first circuit to at least one second circuit |
05/22/1998 | WO1998021803A2 Improvements relating to signalling in electricity distribution systems |
05/22/1998 | CA2271112A1 A method and an arrangement for adapting, from a dc point of view, a first circuit to at least one second circuit |
05/20/1998 | EP0843480A1 Method used in a telecommunication network, termination unit realising the latter and a telecommunication network including such a termination unit |
05/20/1998 | EP0843455A2 Method and apparatus for adaptive echo cancellation |
05/20/1998 | EP0843444A2 Digital communication system using a trellis based, reduced state estimation method |
05/20/1998 | EP0720768A4 A horizontally twisted-pair planar conductor line structure |
05/20/1998 | EP0565526B1 Adaptive acoustic echo canceller |
05/20/1998 | CN1182330A Echo Controlling apparatus of video conferencing system and control method using the same |
05/19/1998 | US5754943 Cable loss equalization system used in wireless communication equipment |
05/19/1998 | US5754540 Expandable integrated circuit multiport repeater controller with multiple media independent interfaces and mixed media connections |
05/19/1998 | CA2088450C Cross polarization interference compensating device comprising decision feedback cross polarization interference cancellers |
05/19/1998 | CA2081021C Optical communications link fault signalling |
05/15/1998 | CA2219347A1 Method of adaptively adjusting the coefficients of a digital filter in an echo canceller |
05/14/1998 | WO1998020658A2 Non-invasive powerline communications system |
05/14/1998 | WO1998020612A1 System connector |
05/13/1998 | EP0841799A2 Stereophonic acoustic echo cancellation using non-linear transformations |
05/13/1998 | EP0841786A2 Technique for improving the blind convergence of an adaptive equalizer using a transition algorithm |
05/13/1998 | EP0841758A1 Method of echo cancelling for a radio signal with constant envelope and associated devices |
05/13/1998 | EP0840975A1 Assessment of signal quality |
05/13/1998 | CN1181665A Variable-speed communication and reproduction system |
05/13/1998 | CA2218934A1 Method used in a telecommunication network, termination unit realising the latter and a telecommunication network including such a termination unit |
05/12/1998 | US5752229 Intelligent near-end speech detection |
05/12/1998 | US5751768 Fractionally spaced equalizing circuits and method |
05/12/1998 | US5751152 Method and apparatus for concurrently measuring near end crosstalk at two ends of a cable |
05/08/1998 | CA2217093A1 Technique for improving the blind convergence of an adaptive equalizer using a transition algorithm |
05/07/1998 | WO1998019444A1 Data communication equipment |
05/07/1998 | WO1998013960A3 Pipeline communication system |
05/06/1998 | EP0840539A1 Wired telecommunication equipment with electromagnetic interference protection |
05/06/1998 | EP0840470A2 Optical network termination of a hybrid fiberoptic-coaxial access network |
05/06/1998 | EP0840466A2 Echo canceller control in a satellite communication system |
05/06/1998 | EP0840376A1 Alternating invertors for capacitive coupling reduction in transmission lines |
05/06/1998 | EP0840318A2 Waveform equalizer |
05/06/1998 | EP0839428A1 Reconfigurable on-demand telephone and data line system |
05/06/1998 | EP0839413A1 Power line telephone communications system having on hook digital voiceband messaging |
05/06/1998 | CN1180964A Device and method for vector equalization of OFDM signal |
05/05/1998 | US5748876 System and method for testing acoustic modems with semantically encoded waveforms |
05/05/1998 | US5748726 Echo canceller |
05/05/1998 | US5748673 Data receiving apparatus |
05/05/1998 | US5748671 Adaptive reference pattern for spread spectrum detection |
05/05/1998 | US5747893 Termination scheme for twisted-wire pairs |
05/05/1998 | CA2097059C Viterbi equalizer for radio receiver |
05/05/1998 | CA2095025C Channel equalisation in particular for fading channels |
05/04/1998 | CA2219703A1 Wire telecommunication equipment with protection against electromagnetic interference |
04/30/1998 | WO1998018211A1 Appliance adapted for power line communications |
04/30/1998 | DE19746258A1 Echosteuervorrichtung eines Videokonferenzsystems und zugehöriges Steuerverfahren Echo control device of a video conferencing system and related control method |
04/30/1998 | CA2216756A1 Optical network termination unit of a hybrid fiber/coax access network |
04/29/1998 | EP0752169B1 Data transmission device in power supply cable networks |
04/29/1998 | CN1180461A Branching unit for an optical fibre transmission system |
04/29/1998 | CN1180460A Echo canceller having kalman filter for optimal adaptation |
04/28/1998 | US5745564 Echo cancelling arrangement |
04/28/1998 | US5745552 Line communication systems incorporating mains electricity conductors for communications |
04/28/1998 | US5745549 Line break detection device and modem comprising such a device |
04/28/1998 | US5745396 Pipelined adaptive IIR filter |
04/28/1998 | US5745027 Data communication system employing carrier currents, in particular for a motor vehicle |
04/28/1998 | US5745016 Method for improving power measurement implemented with a directional coupler at low power levels |
04/23/1998 | WO1998017013A1 Interface device of bi-directional connection of currents carrying low voltage/radiofrequency |
04/23/1998 | WO1998001961A3 Frequency domain signal reconstruction in sampled digital communications systems |
04/22/1998 | EP0837570A2 Optical receiver capable of responding to both burst and continuous signals |
04/22/1998 | EP0836967A2 Data transmission system |
04/22/1998 | EP0594755B1 Power distribution line communication system for reducing effects of signal cancellation |
04/22/1998 | CN1179863A Method of generating AC information for bus system, and transmission unit for carrying out method |
04/22/1998 | CN1179848A Method and apparatus in coding digital information |
04/22/1998 | CN1179653A Echo compensating method and apparatus |
04/21/1998 | US5742713 Methods and filter for isolating upstream ingress noise in a bi-directional cable system |
04/21/1998 | US5742417 Data access arrangement having improved transmit-receive separation |
04/21/1998 | US5742225 Arrangement for signal transmission between a transmitting station and a receiving station |
04/21/1998 | CA2130157C Adaptive equalizer and adaptive diversity equalizer |
04/16/1998 | WO1998015901A1 System for dynamically adapting the length of a filter |
04/15/1998 | EP0836302A2 Communication system having a closed loop bus structure |
04/15/1998 | EP0836286A1 Circuit arrangement for acquiring a supply voltage from a bus |
04/15/1998 | EP0835587A1 Method and apparatus for combatting ingress and multipath in a catv return channel |
04/15/1998 | EP0835558A1 A data access arrangement having improved transmit-receive separation |
04/15/1998 | EP0835552A1 Adaptive gain controller |
04/14/1998 | US5740242 Echo canceler |
04/14/1998 | US5740200 Apparatus for measuring transmission time utilized for data collection system |
04/14/1998 | CA2072540C Equalizer for optically transmitted information signals |
04/14/1998 | CA2063666C Optical signal transmission system, particularly optical cable television system, with monitoring and service-channel facilities |
04/09/1998 | WO1998015068A1 Echo canceller with silence detection |
04/09/1998 | WO1998015067A1 Echo path delay estimation |
04/09/1998 | WO1998015056A1 A filter co-processor |
04/09/1998 | DE19639580A1 Acoustic echo reduction method for hands-free telephone set |
04/08/1998 | CN2278309Y Wire intercommunication used in multi-set parallel connection |
04/07/1998 | US5737461 Methods and filter for isolating upstream ingress noise in a bi-directional cable system |
04/07/1998 | US5737410 Method for determining the location of echo in an echo canceller |
04/07/1998 | US5737409 Echo removing apparatus |
04/07/1998 | US5737408 Echo cancelling system suitable for voice conference |
04/07/1998 | CA2149604C Method and apparatus for estimating and adjusting the frequency response of telecommunications channels |
04/02/1998 | WO1998014005A1 Multiple modulation format television signal receiver system |