Patents for H04L 27 - Modulated-carrier systems (89,721)
03/1996
03/13/1996EP0701350A2 Blind transversal equaliser
03/13/1996EP0701345A2 Multicarrier transmission using differential phases
03/13/1996EP0701320A2 Detector for digitally modulated signal
03/13/1996EP0700616A1 A frequency agile radio
03/13/1996EP0620959A4 Frequency synchronized bidirectional radio system.
03/13/1996CN1118644A A digital communication system and a receiver for use in such a system
03/13/1996CN1118543A Trellis coding in a simultaneous voice and data system
03/13/1996CA2154502A1 Method and apparatus for automatically adapting the amount of warping in a system transmitting information through a non-linear channel
03/12/1996US5499273 Method and apparatus for symbol clock recovery from signal having wide frequency possibilities
03/12/1996US5499270 Spectral encoding-decoding system and method thereof
03/12/1996US5499268 Adaptive equalizer capable of compensating for carrier frequency offset
03/12/1996US5499246 Digital radio receiver which detects when a portion of a burst is stolen for a control message
03/12/1996CA2077899C Digital modulation circuit
03/12/1996CA2051982C Automatic gain control apparatus and method
03/10/1996CA2154825A1 Dual mode radiotelephone modulator
03/07/1996WO1996007260A1 Signal transmitter, signal receiver, and signal transmitting-receiving method
03/07/1996WO1996007235A1 Process and device for reshaping pairs of signals
03/07/1996WO1996007234A1 Communication device with efficient zero-crossing generator
03/07/1996CA2197472A1 Method and apparatus for the correction of signal-pairs
03/06/1996EP0700205A2 Multimedia television receiver and method of booting the same
03/06/1996EP0700190A1 Method and circuit for demodulating a digitally amplitude-modulated carrier signal
03/06/1996EP0700183A2 Method for generation of bit reliability information for a digital transmission system using M-ary orthogonal modulation
03/06/1996EP0700170A2 A method and apparatus for spread spectrum code pulse position modulation
03/06/1996EP0699362A1 Wideband square-law detector having a triangular frequency characteristic as well as a transmission system and a receiver including such a detector
03/05/1996US5497402 Automatic frequency control device for satellite communications ground system
03/05/1996US5497401 Branch metric computer for a Viterbi decoder of a punctured and pragmatic trellis code convolutional decoder suitable for use in a multi-channel receiver of satellite, terrestrial and cable transmitted FEC compressed-digital television data
03/05/1996US5497400 Decision feedback demodulator with phase and frequency estimation
03/05/1996US5497398 System for communicating information over a communication link
03/05/1996US5497397 Parallel dataword modulation scheme
03/05/1996US5497205 Apparatus for processing BPSK signal transmitted with NTSC TV on quadrature-phase video
03/05/1996US5497121 Automatically correcting data detection circuit and method for FSK modulated signals
03/05/1996CA2056021C Digital quadrature phase detection circuit
03/01/1996CA2153711A1 Method and apparatus for spread spectrum code pulse position modulation
02/1996
02/29/1996WO1996006494A2 Nonlinear digital communications system
02/29/1996WO1996006490A1 Multi-band, multi-mode spread-spectrum communication system
02/29/1996CA2197332A1 Multi-band, multi-mode spread-spectrum communication system
02/28/1996EP0698971A2 Synchronization for DSSS transmission system using jittered pilot code
02/28/1996EP0698970A1 Digital transmission system comprising a double synchronising loop
02/28/1996EP0698327A1 Telecom adapter for interfacing computing devices to the analog telephone network
02/28/1996EP0698324A1 A communication device for computer networks, particularly of the cordless type
02/28/1996CN1117686A Receiver with sigma-delta analog-to-digital conversion for digital signals buried in TV signals
02/28/1996CN1117402A Striding exerciser with upwardly curved tracks
02/27/1996US5495510 Phase synchronization device integrated into the demodulator stage of a receiver of multi-phase modulator signals
02/27/1996US5495506 Automatic frequency control apparatus
02/27/1996US5495504 Signal generating apparatus
02/27/1996US5495501 Communication system including a digital roll-off filter
02/27/1996US5495483 Method and apparatus for allocating carrier channels
02/27/1996US5495246 Telecom adapter for interfacing computing devices to the analog telephone network
02/27/1996US5495203 Efficient QAM equalizer/demodulator with non-integer sampling
02/27/1996US5494490 Dyeing keratinous fibers by applying as coupler 4-hydroxy- or 4-aminobenzimidazole or their derivatives in presence of para-phenylenediamine or its derivatives
02/22/1996WO1996005679A1 Communication device with zero-crossing demodulator
02/22/1996WO1996005652A1 Communication device with efficient multi-level digital demodulator
02/21/1996EP0697159A1 Multiple carrier digital television signal decoder
02/21/1996EP0697155A1 Wireless data transceiver
02/21/1996EP0697153A1 Compensation for local oscillator errors in an ofdm receiver
02/21/1996CN1117333A Method and apparatus for creating a composite waveform
02/21/1996CN1117233A Side-channel communications in simultaneous boice and data transmission
02/21/1996CN1117232A Circuit for demodulating detection signal using average amplitude of detection signal
02/21/1996CN1117231A 相位差和幅度校正电路 Phase and amplitude correction circuit
02/21/1996CN1117228A Voice activated data rate change in simultaneous voice and data transmission
02/21/1996CN1117221A Automatic frequency control method and apparatus therefor
02/20/1996US5493587 Method and circuits for reducing the peak power of the filtered signal transmitted in a digital link
02/20/1996US5493586 Method of transmitting data
02/20/1996US5493583 Wireless data transceiver
02/20/1996US5493257 Modulator with biasing circuit to minimize output distortion
02/20/1996CA2030097C Interleaving in coded modulation for mobile radio
02/15/1996WO1996004740A1 Fsk permutation modulation
02/15/1996CA2309096A1 Method and apparatus for securing data communication
02/14/1996EP0696862A1 Phasedetector for control of carrier recovery
02/14/1996EP0696398A1 A multiple access digital transmission system and a radio base station and a receiver for use in such a system
02/14/1996EP0630420B1 Process for coating elongated materials with multiple layers
02/14/1996CN1116891A Method and apparatus for multi-phase component downconversion
02/14/1996CN1116809A Digital VSB detector with bandpass phase tracker, as for inclusion in an HDTV receiver
02/13/1996US5491832 Cellular radio communications system
02/13/1996US5491828 Integrated data processing system having CPU core and parallel independently operating DSP module utilizing successive approximation analog to digital and PWM for parallel disconnect
02/13/1996US5491727 Apparatus useful in radio communication of digital data using minimal bandwidth
02/13/1996US5491724 Mean phase predictor for maximum a posteriori demodulator
02/13/1996US5491721 Modem powering method and apparatus
02/13/1996US5491720 Method and system for automatically determining data communication device type and corresponding transmission rate
02/13/1996US5491457 F-modulation amplification
02/08/1996WO1996003841A1 Method for the adaptive assignment of the transmission capacity of a transmission channel
02/08/1996WO1996003828A1 Non-complex dual-correlation phase reversal detector and method
02/08/1996WO1996003823A1 Hierarchical communication system providing intelligent data, program and processing migration
02/08/1996DE4436564C1 Demodulator for 2-dimensional digitally modulated signals
02/08/1996CA2195661A1 Hierarchical communication system providing intelligent data, program and processing migration
02/08/1996CA2171343A1 Non-complex dual-correlation phase reversal detector and method
02/07/1996EP0696139A2 Device for the processing of digital and analog input signals
02/07/1996CN1116472A A method for minimizing a phase error of a transmitter
02/07/1996CN1116375A Quadrature modulator with adaptive suppression of carrier leakage
02/06/1996US5490177 Method and apparatus for determining signal quality
02/06/1996US5490176 Detecting false-locking and coherent digital demodulation using the same
02/06/1996US5490174 Digital data receiver
02/06/1996US5490172 Reducing peak-to-average variance of a composite transmitted signal via out-of-band artifact signaling
02/06/1996US5489879 Amplitude and phase error normalization of subcarrier generator
02/06/1996CA2054049C Apparatus and method for removing distortion in a received signal
02/06/1996CA1338041C Adaptive multiharmonic phase jitter compensation
02/01/1996WO1996003004A1 Coded modulation with shaping gain
02/01/1996WO1996002995A2 Data transmission by frequency shift
02/01/1996WO1996002991A1 Frame synchronization in multicarrier transmission systems
02/01/1996WO1996002990A2 Method and device for synchronization of transmitter and receiver in a digital system