Patents for H04L 25 - Baseband systems (55,083)
02/1997
02/27/1997WO1997007611A1 System for measuring jitter in a non-binary digital signal
02/27/1997WO1997007598A1 Method of encoding and signal processing to extend range of transmission over repeaterless two-wire telephone line
02/27/1997WO1997007595A1 Data decoder
02/27/1997WO1997007501A1 Control loops for low power, high speed prml sampling data detection channel
02/27/1997DE4290392C2 Clock rate matching for independent networks
02/27/1997DE19531030A1 Doppelimpuls-Generator, insbesondere für den Sendebetrieb auf einem EIB-Bus Double pulse generator, in particular for the transmission mode to an EIB bus
02/27/1997CA2229051A1 Method of encoding and signal processing to extend range of transmission over repeaterless two-wire telephone line
02/26/1997EP0759242A1 Circuit for transmitting digital signals
02/25/1997US5606580 Method of adjusting the length of a data block in a time-division multiple access communication system
02/25/1997US5606538 Learning type signal recording and reproducing apparatus
02/25/1997US5606317 Bandwidth efficiency MBNB coding and decoding method and apparatus
02/24/1997CA2183938A1 Data rate estimating device
02/20/1997WO1997006624A1 Matched spectral null encoder/decoder
02/20/1997WO1997006623A1 Data receiving method for receiving data through predetermined clear zones of a powerline
02/20/1997WO1997002665A3 Automatic power control system for a code division multiple access (cdma) communications system
02/20/1997DE19529983A1 Datendecoder Data decoder
02/19/1997EP0758825A1 Method and apparatus for generating dc-free sequences with conveying partial information by the sequence of codeword digital sums of successive codewords
02/19/1997EP0758504A1 A direct sequence cdma coherent uplink detector
02/19/1997EP0758502A1 Bad frame detection
02/19/1997EP0610276B1 Data communication system
02/19/1997CN1143286A Communication device with improved echo and noise control in quantization channel
02/19/1997CN1034098C Process and device for digitized transmission of signals
02/18/1997US5604918 Two-line mixed analog/digital bus system and a master station and a slave station for use in such system
02/18/1997US5604769 Hybrid equalizer arrangement for use in data communications equipment
02/18/1997US5604768 Frequency synchronized bidirectional radio system
02/18/1997US5604741 Ethernet system
02/18/1997CA2117035C Method and apparatus for rapid identification of an unknown system based on an echo signal having a plurality of dispersive portions
02/13/1997WO1997005717A1 Apparatus and method for rate determination in on-off variable-rate communication systems
02/13/1997WO1997005709A1 Adaptive despreader
02/13/1997WO1997005701A2 Universal sender device
02/13/1997WO1997002714A3 Code division multiple access (cdma) communication system
02/13/1997CA2228131A1 Adaptive despreader
02/13/1997CA2227890A1 Universal sender device
02/13/1997CA2200599A1 Apparatus and method for rate determination in on-off variable-rate communication systems
02/12/1997CN1142710A Voltage signal line driver comprising push-pull bridge amplifier
02/12/1997CN1142656A Method and apparatus for recording digital signals, medium for recording digital signals, and method and apparatus for transmitting digital signals
02/11/1997US5602873 Flash NRZI infrared modem
02/11/1997US5602872 Method and system for controlling an adaptive, blind, fractionally spaced equalizer
02/11/1997US5602871 Signal regenerator for binary signals
02/11/1997US5602583 NTSC rejection filter with switched tomlinson precoder for reducing NTSC co-channel interference in ATV receivers
02/11/1997US5602507 Adaptive demodulating method for generating replica and demodulator thereof
02/06/1997WO1997004547A1 Expandable integrated circuit multiport repeater controller with multiple media independent interfaces and mixed media connections
02/06/1997WO1997004395A1 Method and apparatus for encryption key creation
02/06/1997WO1997004378A1 Microcircuit with memory that is protected by both hardware and software
02/06/1997WO1997004377A1 Single chip microprocessor, math co-processor, random number generator, real-time clock and ram having a one-wire interface
02/06/1997WO1997004376A1 Secure module with microprocessor and co-processor
02/05/1997EP0757460A1 Apparatus for the differential transmission of information between at least two devices in a vehicle
02/05/1997EP0757458A2 Method and apparatus for bit timing acquisition in a direct sequence spread spectrum receiver
02/05/1997CN1142294A Method and apparatus for multiuser-interference reduction
02/05/1997CN1142291A Frequency band separation signal digitizer and method thereof
02/04/1997US5600679 Burst signal receiving apparatus with different holding times of threshold signal
02/04/1997US5600678 Programmable digital modulator and methods of modulating digital data
02/04/1997US5600677 Trellis coded modulation system for digital television signal
01/1997
01/30/1997WO1997003507A1 Method and apparatus for timing recovery
01/30/1997WO1997003506A1 Time division duplexed high speed data transmission system and method
01/30/1997WO1997003500A1 Pulse width modulation pulse shaper
01/30/1997DE19601386A1 Ausgangspufferschaltkreis Output buffer circuit
01/29/1997EP0756404A2 Burst update for an adaptive equalizer
01/29/1997EP0756401A2 Asynchronous serial data transmission apparatus with edge interrupt operation and timer interrupt operation
01/29/1997CN1141702A Termination network and control circuit
01/28/1997US5598442 Self-timed parallel inter-system data communication channel
01/28/1997US5598434 Automatic equalizer with a branched input for improved accuracy
01/28/1997US5598433 Automatic equalizer and data mode convergence method
01/28/1997US5598432 Equalizing received signal samples by receiving input in a first register at a first rate greater than or equal to the transmission rate and further receiving samples into a plurality of register at a second rate lower than the first rate
01/28/1997US5598423 Very low jitter clock recovery from serial audio data
01/28/1997US5598406 In a local network system
01/23/1997WO1997002714A2 Code division multiple access (cdma) communication system
01/23/1997WO1997002690A1 Interface circuit for connecting an electrical apparatus to a bus
01/23/1997WO1997002675A2 Cdma modem
01/23/1997WO1997002665A2 Automatic power control system for a code division multiple access (cdma) communications system
01/23/1997WO1997002658A1 Mos termination for low power signaling
01/23/1997WO1997002656A1 Adaptive gain controller
01/23/1997DE19526257A1 Adaptive channel distortion correction device
01/23/1997DE19523941C1 Schnittstellenschaltung zum Anschließen eines elektrischen Geräts an einen Bus Interface circuit for connecting an electrical device to a bus
01/23/1997CA2848679A1 Noise level estimation
01/23/1997CA2645140A1 Noise level estimation
01/22/1997EP0755141A2 Adaptive decision feedback equalization for communication systems
01/22/1997EP0755140A2 Apparatus and method for transmitting digital signals between two transmission systems having different clock frequencies
01/22/1997EP0755129A2 Cellular base station amplifiers for amplifying received RF signals
01/22/1997EP0754379A1 Method and apparatus for robust communications based upon angular modulation
01/22/1997EP0754372A1 ENCODING ARRANGEMENT AND METHOD FOR ENCODING (n-1)-bit INFORMATION WORDS INTO n-bit CHANNEL WORDS AND DECODING ARRANGEMENT AND METHOD FOR DECODING THE CHANNEL WORDS INTO INFORMATION WORDS
01/22/1997CN1141108A Trellis coded modulation system for HDTV
01/22/1997CN1141107A Data frame format for variable size data constellations
01/22/1997CN1141100A Digital transmission and recording system with simple error correction
01/22/1997CN1140965A Power sharing system for RF amplifiers
01/22/1997CN1140945A Data receiving device
01/22/1997CN1140944A Data receiving device
01/21/1997US5596607 Method and an arrangement of estimating transmitted symbols at a receiver in digital signal transmission
01/21/1997US5596603 Device for wireless transmission of digital data, in particular of audio data, by infrared light in headphones
01/21/1997US5596372 Video signal data and composite synchronization extraction circuit for on-screen display
01/21/1997US5596285 Impedance adaptation process and device for a transmitter and/or receiver, integrated circuit and transmission system
01/21/1997CA2073105C High speed bus transceiver with fault tolerant design for hot pluggable applications
01/20/1997CA2181596A1 Facility and method for transmitting digitized signals
01/16/1997WO1997001888A1 Transmission system with improved decoding of a block code
01/15/1997EP0753850A1 Signal binary coding and digital signal processing
01/15/1997EP0753217A1 Signal-receiving and signal-processing unit
01/15/1997CA2180702A1 Signal binary coding circuit and digital signal processing apparatus
01/14/1997US5594941 A cellular/satellite communications system with generation of a plurality of sets of intersecting antenna beams
01/14/1997US5594762 Apparatus for retiming digital data transmitted at a high speed
01/14/1997US5594756 Decision feedback equalization circuit