Patents for H04B 3 - Line transmission systems (31,523) |
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11/20/2002 | EP1259007A2 Apparatus for modulating and demodulating multiple channel FSK in power line communication system |
11/20/2002 | EP1258120A1 Method and apparatus for implementing the training phase of adaptive channel equalization on a digital communications path |
11/20/2002 | EP1258107A1 Communications module and system |
11/20/2002 | EP1258089A1 External modem |
11/20/2002 | CN2521848Y 线缆多媒体数据接收卡 Cable multimedia data reception card |
11/20/2002 | CN2521829Y Long-distance, high reliable communication circuit for multigang air conditioner |
11/20/2002 | CN1381127A High frequency network communication equipments over various lines |
11/20/2002 | CN1381099A 耦合装置 Coupling device |
11/20/2002 | CN1381098A Transmission system and method for power line communication |
11/20/2002 | CN1380754A Improved ADSL compatible discrete multiple audio frequency device |
11/20/2002 | CN1380744A Controller of radio-frequency power generator for reducing sensitivity to cable length |
11/19/2002 | US6483923 System and method for adaptive interference cancelling |
11/19/2002 | US6483915 Equipment and processes for echo suppression with adaptive fir filters |
11/19/2002 | US6483879 Compensating for initial signal interference exhibited by differential transmission lines |
11/19/2002 | US6483872 Method and apparatus for reducing convergence time |
11/19/2002 | US6483821 CDMA mobile communications system and method with improved channel estimation and pilot symbol transmission |
11/19/2002 | US6483802 Communication system for driving pairs of twisted pair links |
11/19/2002 | US6483318 Electric circuit providing selectable short circuit for instrumentation applications |
11/14/2002 | WO2002091734A1 Method and apparatus for echo cancellation in digital communications using an echo cancellation reference signal |
11/14/2002 | WO2002091613A1 Routing device and method for a powerline network |
11/14/2002 | WO2002091572A1 Adaptive equalizer system for short burst modems and link hopping radio networks |
11/14/2002 | WO2002091571A1 Method and apparatus for reducing electromagnetic radiation |
11/14/2002 | WO2001095518A3 Method and apparatus for dual-band modulation in powerline communication network systems |
11/14/2002 | US20020169585 Adaptive method and apparatus for transmission line analysis |
11/14/2002 | US20020168024 Digital line driver circuit |
11/14/2002 | US20020167999 Equalizer, receiver, and equalization method and reception method |
11/14/2002 | US20020167998 Channel delay spread adaptive equalization and decoding |
11/14/2002 | CA2484899A1 Adaptive equalizer system for short burst modems and link hopping radio networks |
11/13/2002 | EP1257102A1 Digital line driver circuit operable with and without pre-emphasis |
11/13/2002 | EP1256223A1 Method and apparatus for minimising cross talk due to discrete mutli-tone transmission in cable binders |
11/13/2002 | EP1256218A1 Delayed decision feedback log-map equalizer |
11/13/2002 | EP1256184A1 Method and apparatus for the control of modem transmit power |
11/13/2002 | EP1256180A1 Pcm modem adaptation system utilizing a silence period |
11/13/2002 | EP0922341B1 Improvements in, or relating to, multi-carrier transmission systems |
11/13/2002 | EP0808530B1 Bi-directional signal transmission system |
11/13/2002 | CN2520613Y Power line and signal line common device |
11/13/2002 | CN1379576A 回波消除器 Echo canceller |
11/13/2002 | CN1379556A Transmission method of audio-video signals |
11/13/2002 | CN1379552A Broad-band by-pass equipment of access distribution network based on optical fibre-coaxial cable mixed network |
11/13/2002 | CN1379551A Echo eliminator |
11/13/2002 | CN1379550A Bidirectional transmission attenuator for railway signals |
11/12/2002 | US6480548 Spacial derivative bus encoder and decoder |
11/12/2002 | US6480536 Method and apparatus for demodulating and equalizing an AM compatible digital audio broadcast signal |
11/12/2002 | US6480534 Apparatus and method for a reduced component equalizer circuit |
11/12/2002 | US6480532 Echo cancellation for an ADSL modem |
11/12/2002 | US6480510 Local area network of serial intelligent cells |
11/12/2002 | US6480021 Transmitter circuit comprising timing deskewing means |
11/07/2002 | WO2002089353A1 Connection of a modem for supplying data for mains-borne data transmission in a distribution device |
11/07/2002 | WO2002089352A1 Device for electrically connecting a modem to an electric network for line-bound transmission of data |
11/07/2002 | WO2002088884A2 In-line power tap device for ethernet data signal |
11/07/2002 | WO2001043334A9 Voice gateway with downstream voice synchronization |
11/07/2002 | US20020164967 Radio receiving device and radio receiving method |
11/07/2002 | US20020164014 Apparatus and method of time delay estimation |
11/07/2002 | US20020163978 Reception method and receiver for mobile radiotelephone applications |
11/07/2002 | US20020163960 Apparatus and method for adaptive control |
11/07/2002 | US20020163425 Routing device and method for a powerline network |
11/07/2002 | US20020163353 Dynamic register with IDDQ testing capability |
11/07/2002 | DE10154937C1 Diagnostic method for determination of the properties of xDSL, e.g. ADSL, subscriber lines so that they can be operated at maximum bit rates |
11/06/2002 | EP1255389A1 Apparatus and method for adaptive control |
11/06/2002 | EP1255359A1 Method and apparatus for cancelling radio frequency interference |
11/06/2002 | EP1254542A2 A method of receiving a signal and a receiver |
11/06/2002 | EP1152939B1 Method for transmitting data via a traction control which carries an electrical driving current for vehicles |
11/06/2002 | CN1378730A Transmission method with frequency and time spread at transmitter level |
11/06/2002 | CN1094001C 接收方法和接收机 Receiving method and a receiver |
11/06/2002 | CN1094000C Multi-channel receiver system with channel training |
11/05/2002 | US6477238 Loop certification and measurement for ADSL |
11/05/2002 | US6477200 Multi-pair gigabit ethernet transceiver |
11/05/2002 | US6477199 Dynamic regulation of power consumption of a high-speed communication system |
11/05/2002 | US6476709 Transmission of digital data over an A.C. supply line |
11/05/2002 | EP1163779A4 Method and system for detecting and controlling severe echo |
10/31/2002 | WO2002087180A1 Apparatus and method for decision feedback sequence estimation for reduction of error propagation in a decision feedback equalizer |
10/31/2002 | WO2002087105A1 Apparatus for providing security on a powerline-modem network |
10/31/2002 | WO2002087104A2 Method for multiple access and transmission in a point-to-multipoint system over an electrical network |
10/31/2002 | WO2002087103A1 Single-ended measurement method and system using abcd-matrix theory of transmission lines |
10/31/2002 | WO2002086518A1 Cable testing systems |
10/31/2002 | WO2002043268A3 Power line communication system |
10/31/2002 | WO2001093448A3 Frequency domain echo canceller |
10/31/2002 | US20020161560 Turbo-reception method and turbo-receiver |
10/31/2002 | US20020161542 Method and apparatus for transmission line analysis |
10/31/2002 | US20020161539 Optical sequence time domain reflectometry |
10/31/2002 | US20020160712 Method and system for providing accurate service record using phone line detector |
10/31/2002 | US20020159585 Arrangement for suppressing aninterfering component of an input signal |
10/31/2002 | US20020159402 Local area network of serial intelligent cells |
10/31/2002 | US20020158990 Frequency converter |
10/31/2002 | US20020158775 Telemetry system and method for home-based diagnostic and monitoring devices |
10/31/2002 | DE10121048A1 Arrangement for propagating information via mains has data transmitter with transmission protocol comparator and error assessor connected to mains via transformer/modulator |
10/31/2002 | DE10120466A1 Verfahren zur Datenübertragung und Vorrichtung Method for data transmission device and |
10/31/2002 | CA2444397A1 Method for multiple access and transmission in a point-to-multipoint system over an electrical network |
10/30/2002 | EP1253778A2 A blind equalization method for a high definition television signal |
10/30/2002 | EP1253725A2 Method for data transmission and device therefor |
10/30/2002 | EP1253513A1 Method of generating a random number sequence and apparatus implementing the method |
10/30/2002 | EP1252727A1 Method of isolating data in a power line communication network |
10/30/2002 | EP1252528A1 Capacitance monitoring systems |
10/30/2002 | CN1377143A Echo eliminator and use method thereof |
10/30/2002 | CN1093704C Arrangement for transmission of signals via local bus |
10/29/2002 | US6473510 AC power source filter for audio video electrical load |
10/29/2002 | US6473450 Adaptive reference pattern for spread spectrum detection |
10/29/2002 | US6473409 Adaptive filtering system and method for adaptively canceling echoes and reducing noise in digital signals |
10/24/2002 | WO2002048750B1 Interfacing fiber optic data with electrical power systems |
10/24/2002 | WO2001052515A9 Appliance communication and control system and appliances for use in same |