Patents
Sitemap › H04 - Electric communication technique › H04L - Transmission of digital information, e.g. telegraphic communication › H04L 25 - Baseband systems
Patents for H04L 25 - Baseband systems (55,083)
11/1998
11/12/1998DE19820435A1 Signal transceiver for conductive path system with several logic values
11/12/1998DE19751269A1 Clock signal synchronising circuit
11/12/1998DE19717643A1 Verfahren und Anordnung zur Regelung der Entscheiderschwelle und des Abtastzeitpunktes eines Datenregenerators Method and apparatus for controlling the decision threshold and the sampling of a data regenerator
11/11/1998EP0877526A2 Demodulating digital video broadcast signals
11/11/1998EP0877517A2 Output interface for a digital communication system
11/11/1998EP0877515A2 Circuit for converting unipolar input to bipolar output
11/11/1998EP0877514A2 Matched filter
11/11/1998EP0877505A2 Synchronous circuit controller for controlling data transmission between asynchronous circuits
11/11/1998EP0876706A1 Adaptive filters and equalisers
11/10/1998US5835731 For use in a receiver for performing blind equalization
11/10/1998US5835602 Digital data transmission system
11/10/1998US5835590 Method and apparatus for signal transmission and reception
11/10/1998US5835541 Sampling phase synchronizing apparatus and bidirectional maximum likelihood sequence estimation scheme therefore
11/10/1998US5835538 High speed communications system for analog subscriber connections
11/10/1998US5835535 Data bus interface apparatus which measures voltage potential on the uplink line of the data bus and removes an AC component
11/10/1998US5835532 For receiving a transmitted signal subject to exhibiting a carrier offset
11/10/1998US5835531 Signal equalizer
11/10/1998US5835526 Channel equalizer for a telecommunication system
11/10/1998US5835510 High-speed viterbi decoder
11/10/1998US5835499 Data processing device for FM multi-channel broadcasting
11/10/1998US5835498 System and method for sending multiple data signals over a serial link
11/10/1998US5835036 Method of encoding data for transmission
11/10/1998US5835031 Facility and method for transmitting digitized signals
11/10/1998US5834986 Direct 2nd derivative synthesis method for controlling sidelobe energy in an MSK modulated signal
11/10/1998US5834959 Circuit arrangement for generating a binary output signal
11/10/1998US5834949 Bus driver failure detection system
11/05/1998WO1998049852A1 A method and an arrangement for controlling scanning of radio channels by a mobile station operating in standby mode
11/05/1998WO1998049812A1 Modulation circuit and radio terminal
11/05/1998WO1998049811A2 Method and device for regulating the decision threshold and sampling point of a data regenerator
11/05/1998WO1998049808A1 Device and method for transmitting digital data
11/05/1998WO1998049801A1 Method for regenerating data
11/05/1998WO1998049778A1 Method and device for determining at least one digital signal value from an electric signal
11/05/1998WO1998049767A1 Maximum likelihood detection of mpsk bursts with inserted reference symbols
11/05/1998DE19717642A1 Verfahren zur Datenregeneration A method for data regeneration
11/05/1998DE19713950A1 Electric assembly with disturbance protection
11/05/1998CA2288005A1 A method and an arrangement for controlling scanning of radio channels by a mobile station operating in standby mode
11/05/1998CA2258935A1 Device and method for transmitting digital data
11/04/1998EP0876031A2 Symbol synchronization in multicarrier receivers
11/04/1998EP0876030A2 System and method for dynamically optimizing a symbol table and modem employing the same
11/04/1998EP0876021A1 System and method for transmitting data over a plurality of channels
11/04/1998EP0875988A2 Interference suppression in RF signals
11/04/1998EP0875106A1 A self-initialized coder and method thereof
11/04/1998EP0875095A1 Channel training of multi-channel receiver system
11/04/1998EP0616746B1 Arrangement for enhancing data transmission in a digital cellular radio network
11/04/1998CN1198282A Data transmitting method, data transmitting system, transmitter and receiver
11/04/1998CN1198280A Apparatus and method for noise-predictive maximum-likelihood(NPML) detection
11/04/1998CN1198040A Circuit arrangement having senson and evaluation circuit
11/04/1998CN1198039A One-bit digital signal processing
11/03/1998US5832370 Current mode transceiver circuit and method
11/03/1998US5832207 Secure module with microprocessor and co-processor
11/03/1998US5832039 Data processing circuit
11/03/1998US5832038 Method and apparatus for classifying a multi-level signal
11/03/1998US5832033 Clock disturbance detection based on ratio of main clock and subclock periods
11/03/1998US5831561 For use with an analog communications device
11/03/1998US5831467 Termination circuit with power-down mode for use in circuit module architecture
11/03/1998CA2118227C Coordinated coding for digital transmission
11/03/1998CA2117922C Modem-channel bank converter
10/1998
10/29/1998WO1998048545A2 Method and apparatus for processing a signal in a telecommunication apparatus
10/29/1998WO1998048541A2 Direct digital access arrangement circuitry and method for connecting to phone lines
10/29/1998WO1998048536A2 Communications module based repeater
10/29/1998WO1998042089A3 Spatial-temporal equalization for is-136 tdma systems with rapid dispersive fading and co-channel interference
10/29/1998WO1998037658A3 Channel aggregation having low latency and overhead
10/29/1998WO1998034413A3 Data encoder/decoder for a high speed serial link
10/29/1998WO1998028886A3 Line terminal circuit for controlling the common mode voltage level on a transmission line
10/29/1998DE19747454C1 Data transmission method e.g. for GSM
10/28/1998EP0874499A2 Analog-to-digital converter for digital receiver
10/28/1998EP0874493A2 Scrambling in a full-duplex modem
10/28/1998EP0874491A2 Signal processing apparatus and method
10/28/1998EP0874466A2 Reed-Solomon decoding circuit and method
10/28/1998EP0874460A2 Adaptive threshold digital receiver circuit for optical signals
10/28/1998EP0874449A2 A method and apparatus for phase detection in digital signals
10/28/1998CN1197566A Data receiving method for receiving data through predetermined clear zones of a powerline
10/28/1998CN1197342A Adaptive channel equalizer for use in digital communication system utilizing OFDM method
10/27/1998US5828754 Method of inhibiting copying of digital data
10/27/1998US5828701 Method and circuit arrangement for compensating for delayed components in transmission signal
10/27/1998US5828698 Data flow management method for CDPD demodulator operating without CDPD clock
10/27/1998US5828696 Timing recovery in a network-synchronized modem
10/27/1998US5828676 Method and apparatus for robust communication based upon angular modulation
10/27/1998US5828326 Method of encoding and decoding for data transmission
10/27/1998CA2115946C Multidimensional trellis-coded communication system
10/22/1998WO1998047240A1 Space-weighted communication path estimation
10/22/1998WO1998047239A1 Time-weighted transmission channel estimation
10/22/1998CA2286556A1 Time-weighted transmission channel estimation
10/22/1998CA2286555A1 Space-weighted communication path estimation
10/21/1998EP0872095A1 Method and apparatus for symbol decoding using a variable number of survivor paths
10/21/1998EP0872068A1 Biodirectional point to multipoint network using multicarrier modulation
10/21/1998EP0801866A4 Phase detector in a carrier recovery network for a vestigial sideband signal
10/21/1998EP0752185A4 Carrier recovery system for a vestigial sideband signal
10/21/1998EP0752173A4 Blind equalizer for a vestigial sideband signal
10/21/1998EP0752172A4 Carrier independent timing recovery system for a vestigial sideband modulated signal
10/20/1998US5825832 Method and device for the reception of signals affected by inter-symbol interface
10/20/1998US5825826 Method and apparatus for frequency domain ripple compensation for a communications transmitter
10/20/1998US5825824 DC-balanced and transition-controlled encoding method and apparatus
10/20/1998US5825823 PCM channel diagnosis
10/20/1998US5825820 Waveform shaping method and equipment
10/20/1998US5825816 Spectral and power shaping mapper for high data rate signalling
10/20/1998US5825812 Suppressed side lobe direct-sequence-spread-spectrum radio communication method and device
10/20/1998US5825809 Digital filter having an energy level detector for selecting a coefficient
10/20/1998US5825570 PRML regenerating apparatus having reduced number of charge pump circuits
10/20/1998US5825259 Termination for two or more differential transmission lines
1 ... 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 ... 551