Patents for H04L 25 - Baseband systems (55,083)
03/1998
03/18/1998CN1176721A A method for identifying data transmission rate, and a receiver
03/18/1998CN1176715A Dual-mode FM/CDMA communication system
03/17/1998US5729571 Non-coherent digital receiver of a spread spectrum communication system
03/17/1998US5729558 Method of compensating for Doppler error in a wireless communications system, such as for GSM and IS54
03/17/1998US5729547 Automatic driver/receiver control for half-duplex serial networks
03/17/1998US5729371 Optical communications device
03/17/1998US5729370 Method for upgrading a communications network
03/17/1998US5729154 Termination circuits and related output buffers
03/17/1998US5729152 Termination circuits for reduced swing signal lines and methods for operating same
03/12/1998WO1998010566A1 Wireless atm metropolitan area network
03/12/1998WO1998010555A2 Improvements in, or relating to, multi-carrier transmission systems
03/12/1998WO1998010545A1 Improvements in, or relating to, multi-carrier transmission systems
03/12/1998WO1998010531A1 Preamble for the assessment of channel impulse response in a antenna diversity system
03/12/1998DE19635271A1 Channel coefficients estimation method for mobile communications
03/12/1998CA2264789A1 Preamble for the assessment of channel impulse response in a antenna diversity system
03/11/1998EP0828363A2 Multicode modem with a plurality of analogue front ends
03/11/1998EP0828247A2 Equipment for transmitting data and method of the same
03/11/1998EP0827661A1 Method for reducing the effect of demodulator transients on signal tracking loops
03/11/1998EP0827643A1 Bidirectional transmission line driver/receiver
03/11/1998CN1176030A Multichannel high-speed data transfer
03/11/1998CN1175865A Variable format radio pager having power saving mode during binary code transmission
03/11/1998CN1175718A System for switching between stand-by and wake-up states, of information processing unit and of analogue switch
03/10/1998US5727036 High bit rate start code searching and detecting circuit and method
03/10/1998US5727032 Method and device for estimating transmitted signals in a receiver in digital signal transmission operations
03/10/1998US5727031 Adaptive gain controller
03/10/1998US5727023 Apparatus for and method of speech digitizing
03/10/1998US5727022 Method for improving the signal-to-noise ratio in a transmission system by the formation of area equivalents
03/10/1998US5727006 Apparatus and method for detecting and correcting reverse polarity, in a packet-based data communications system
03/10/1998US5726992 Circuit for and method of assessing an RDS signal
03/10/1998US5726988 Module with data verification for a serial multiplex data system
03/10/1998US5726583 Programmable dynamic line-termination circuit
03/10/1998US5726582 Control circuit for keeping constant the impedance of a termination network
03/05/1998WO1998009411A1 Wireless powered communication device using power signal sampling and method
03/05/1998WO1998009400A1 Receiving and equalizing signals for high-speed data transmission
03/05/1998WO1998009395A1 High capacity wireless communication using spatio-temporal coding
03/05/1998WO1998009385A2 Spatio-temporal processing for communication
03/05/1998WO1998009381A1 High capacity wireless communication using spatial subchannels
03/05/1998WO1998008711A1 Arrangement for a motor vehicle regulation system
03/05/1998WO1997027550A3 Communication system with multicarrier telephony transport
03/05/1998DE19646684C1 Output buffer circuit for high-speed data transmission line control
03/05/1998DE19634714A1 Anordnung für ein Kraftfahrzeug-Regelungssystem Assembly for an automotive vehicle control system
03/05/1998CA2264170A1 High capacity wireless communication using spatial subchannels
03/04/1998EP0827310A2 Infra-red transmission of digital audio signals
03/04/1998EP0827301A2 Adaptive signal detection method and apparatus
03/04/1998EP0827300A2 Data receiver and data receiving method for punctured, convolutionally-encoded data
03/04/1998CN1175171A Method for device of carrier exalting and compensating in frequency spreading communication system
03/04/1998CN1175145A Timed inner-inserting device for digital demodulator
03/03/1998US5724653 Radio receiver with DC offset correction circuit
03/03/1998US5724394 Viterbi decoding method and decoder capable of eliminating phase indeterminacy
03/03/1998US5724393 For cooling product merchandisers
03/03/1998US5724390 MLSE before derotation and after derotation
03/03/1998US5724389 Method and apparatus for detecting a presence of a predetermined baud rate
03/03/1998US5724363 Optical analog signal transmission system
03/03/1998US5724360 Composite clock signal
03/03/1998US5723991 System and method for waveform synthesis
03/03/1998US5723678 Preparation of acetylenic compounds
02/1998
02/26/1998WO1998008330A1 Overcoming shot noise in apd receivers for manchester encoded signals
02/26/1998WO1998008329A1 Combined daq/rbs compensation system and method for enhancing the accuracy of digital data communicated through a network
02/26/1998WO1998008328A1 Data transmission by impulse position modulation and amplitude modulation
02/26/1998WO1998008318A1 Cooperative feedback system and method for a compensation system associated with a transmitter or codec
02/26/1998WO1998008310A1 Noncooperative feedback system and method for a compensation system associated with a transmitter or codec
02/26/1998WO1998008058A1 Circuit for intrinsically safe detection of the binary signals of a transmitter
02/26/1998WO1998004073A3 Blind dfe and phase correction
02/25/1998EP0825784A2 Apparatus and method for transmitting data
02/25/1998EP0825733A2 Method of generating duobinary signal and optical transmitter using the same method
02/25/1998EP0824817A1 Apparatus and method for multi-level transmission of data
02/25/1998EP0824816A1 Demodulator and a method of demodulation in a tdm receiver
02/24/1998US5721694 Non-linear deterministic stochastic filtering method and system
02/24/1998US5721497 Cold termination for a bus
02/19/1998WO1998007248A1 Asymmetric modem communications system and method
02/19/1998WO1998007247A1 Decoder utilizing soft information output to minimize error rates
02/19/1998DE19629699C1 Data transmission method
02/19/1998CA2263444A1 Decoder utilizing soft information output to minimize error rates
02/18/1998CN1173772A Communication links for transmission of data in fixed size packets
02/17/1998US5719907 Phase jitter extraction circuit and phase jitter cancellation circuit
02/17/1998US5719903 Method and apparatus for receiving symbols
02/17/1998US5719855 Digital telephone switching system having plural terminal devices directly connected to a common digital line
02/17/1998US5719842 Method and apparatus for recording digital signals, medium for recording digital signals, and method and apparatus for transmitting digital signals
02/17/1998US5719747 Interface unit for communication device with parts positioned on a printed-wiring board for achieving desirable operating characteristics
02/17/1998US5719688 Communication apparatus which can connect a plurality of communication lines
02/12/1998WO1998006172A1 Dc offset compensation method and apparatus
02/12/1998WO1998005406A1 Waste-oil cleaning method and apparatus
02/12/1998WO1997036408A3 Transition controlled balanced encoding scheme
02/12/1998DE19630515A1 S-T interface for ISDN using specification ITU I.430
02/12/1998CA2231115A1 Waste-oil cleaning method and apparatus
02/11/1998EP0823787A2 A rate 16/17 ENDEC with independent high/low byte decoding
02/11/1998EP0823774A1 Frequency converter for operating an asynchronous three-phase motor
02/11/1998EP0823708A2 Coding to improve timing recovery in a sampled amplitude read channel
02/11/1998EP0823169A2 Adaptive filter for use in a tdm/tdma receiver
02/11/1998CN1173088A Multi-reference block digital signal of channel reckon, its reckon method and corresponding receiver
02/11/1998CN1173081A Circuit device for deviation compensation
02/10/1998US5717720 Digital data receivers, methods and circuitry for differentiating between transmitted signals of varying physical protocols and frequencies
02/10/1998US5717717 Device and method for adaptive narrow band interference suppression in multiple-access communications
02/10/1998US5717715 Signal processing apparatus and method
02/10/1998US5717395 Rate 16/17 ENDEC with independent high/low byte decoding
02/10/1998US5717345 Signal transmission circuit and signal transmission device utilizing the same
02/10/1998CA2108640C Receiver having clock phase memory for receiving short preamble time slots
02/10/1998CA2085272C Partial-response-channel precoding
02/05/1998WO1998005139A1 Data synchronisation process, and transmission and reception interfaces
02/05/1998WO1997049206A3 Digital data transmission system with different compression rates, in particular for digital radio broadcasting