Patents
Patents for H04L 5 - Arrangements affording multiple use of the transmission path (28,368)
09/1995
09/14/1995WO1995024785A2 Noise measurement
09/14/1995WO1995024781A1 Method and apparatus for am compatible digital broadcasting
09/14/1995WO1995024780A1 Digital broadcast systems for local transmissions
09/13/1995EP0671822A2 Method and apparatus for digital signal synthesis and processing in a full-duplex data transmission system
09/13/1995EP0671089A1 Method for digital semi-duplex transmission
09/06/1995CN1029719C Method for bidirectional digital data transmission on optical waveguide and device therefor
08/1995
08/29/1995US5446918 Cable network and modulator-demondulator arrangement for such a network
08/29/1995US5446768 Configuration detection apparatus for data link
08/29/1995US5446756 Integrated cellular communications system
08/24/1995WO1995022875A1 Method and apparatus of providing audio feedback over a digital channel
08/24/1995WO1995022816A1 Method and apparatus for adaptive power adjustment of mixed modulation radio transmission
08/23/1995EP0668665A1 Transmission power control for a DS/FH-CDMA system
08/22/1995US5444742 System for bidirectional data transmission between a plurality of stationary units and a vehicle
08/22/1995US5444415 Modulation and demodulation of plural channels using analog and digital components
08/16/1995EP0667695A1 Radio information and communication system using multicarrier spread-spectrum transmission system
08/08/1995US5440589 Frequency offset dealing modulator and demodulator apparatus
08/08/1995US5440543 Duplex system using a single transmission line
08/02/1995EP0664941A1 Full duplex ethernet
08/02/1995CN1029446C Device for evaluating and/or regulating throughput of virtual circuits on asynchronous time-division multiplex transmission channel
08/01/1995US5438571 High speed data transfer over twisted pair cabling
07/1995
07/26/1995EP0464180B1 Bidirectional inductive transmission of data with slave station supplied by the master
07/25/1995US5436887 Digital full-duplex transceiver
07/20/1995WO1995016314A3 A digital communication system and a receiver for use in such a system
07/18/1995US5434891 Data transfer arrangement permitting variable rate data transfer between a modem and a synchronous terminal
07/18/1995CA2035213C Modem having speed notifying means
07/11/1995US5432786 Modem for modulating and demodulating main signal and secondary signal with clock synchronized system and transforming secondary signal between start-stop system and clock-synchronized system
07/11/1995US5432775 Auto negotiation system for a communications network
07/11/1995US5432465 Integrated circuit switchable between a line driver function and a bidirectional transceiver function during the packaging stage of the integrated circuit
07/11/1995CA2050405C Temporary information storage system incorporating a buffer memory for fixed or variable length data blocks
07/04/1995US5430799 Multichannel television signal scrambling and descrambling system and method
06/1995
06/28/1995EP0660559A1 Multicarrier frequency-hopping communication system
06/22/1995WO1995017046A1 An improved discrete multitone echo canceler
06/21/1995EP0658295A1 Digital signal transmission system using frequency division multiplex
06/20/1995US5426644 Parallel code transmission method and apparatus of the same
06/15/1995WO1995016319A1 Method and apparatus for creating a composite waveform
06/15/1995WO1995016314A2 A digital communication system and a receiver for use in such a system
06/13/1995US5424657 Method and apparatus for implementing a common mode level shift in a bus transceiver incorporating a high speed binary data transfer mode with a ternary control transfer mode
06/07/1995EP0656711A2 Negotiation systems for communication networks
06/06/1995US5423004 Computer with electrically isolated printer port using shunt transistors controlled by a common charge-robbing node
06/06/1995US5423001 Data transmission and apparatus, data processing apparatus and a neural network which utilize phase shifted, modulated, convolutable pseudo noise
05/1995
05/24/1995EP0654168A1 Fault-tolerant, high-speed bus system and bus interface for wafer-scale integration
05/24/1995EP0411083B1 Telecommunications system
05/24/1995DE4435833A1 Information channel data encoding, transmission, storage and decoding e.g. for HDTV signal
05/23/1995US5418933 Bidirectional tri-state data bus buffer control circuit for delaying direction switching at I/O pins of semiconductor integrated circuit
05/23/1995US5418813 Method and apparatus for creating a composite waveform
05/18/1995WO1995013674A1 Discrete multiple tone transmission on high-speed digital subscriber lines
05/18/1995WO1995009511A3 Radiotelephone system for groups of remote subscribers
05/18/1995CA2174864A1 Discrete multiple tone transmission on high-speed digital subscriber lines
05/17/1995EP0653859A1 Discrete multiple tone transmission on high-speed digital subscriber lines
05/16/1995US5416797 System and method for generating signal waveforms in a CDMA cellular telephone system
05/11/1995DE4338006A1 Device for multi-channel modulated infrared data transmission with a channel for the coexistence of baseband transmissions
05/09/1995US5414700 Negotiation protocol for establishment of full duplex communication on a token ring network
05/04/1995WO1995012261A1 Wideband fft channelizer
05/03/1995EP0651523A2 Communication receiver using soft decision to discriminate between a traffic channel frame and a fast associated control channel frame
05/02/1995US5412689 Modal propagation of information through a defined transmission medium
05/02/1995US5412688 Process and circuit for detecting transmission using bi-directional differential links
04/1995
04/25/1995US5410538 Method and apparatus for transmitting signals in a multi-tone code division multiple access communication system
04/20/1995WO1995010839A1 Impact limiter for spent nuclear fuel transportation cask
04/20/1995DE4425713C1 Method for multi-carrier modulation and demodulation of digitally coded data
04/18/1995US5408201 Frequency synthesizer using three subfrequency synthesizers for generating two different frequencies
04/18/1995CA2027230C Station-to-station full duplex communication in a communications network
04/13/1995WO1995010144A1 Arrangement in a multi-user system
04/12/1995CN1028194C Digital one spot to many addresses wireless telephone system
04/06/1995WO1995009511A2 Radiotelephone system for groups of remote subscribers
04/06/1995WO1995009497A1 Method for digital semi-duplex transmission
04/06/1995WO1995007576A3 Digital sound broadcasting using a dedicated control channel
03/1995
03/30/1995WO1995008874A1 Digital radio link system and radio link terminal
03/29/1995EP0645896A2 Method for duplex data transmission between a beacon and a vehicle
03/28/1995US5402440 Processes for testing bi-directional serial transmissions, and circuits for their implementation
03/22/1995EP0643887A1 A multi-channel digital transmitter and receiver
03/16/1995WO1995007581A1 Method for the transmission of reference signals in an ofdm system
03/16/1995WO1995007576A2 Digital sound broadcasting using a dedicated control channel
03/15/1995EP0643511A1 Synchronization circuit for subcarrier signal
03/14/1995US5398237 Acquisition and tracking of independent quadrature modulated bitstreams
03/07/1995US5396489 Method and means for transmultiplexing signals between signal terminals and radio frequency channels
03/07/1995US5396486 Data communications equipment interface leads to signal half-duplex or full-duplex operation
03/02/1995DE4329320A1 Method and device for data transmission
03/02/1995DE4328487A1 Method and circuit arrangement for transmitting data streams via basic two-wire subscriber line circuits
03/01/1995EP0641131A2 Method and apparatus for serial transmission and/or reception of multiplexed signals
03/01/1995EP0641096A1 Method with multiple access by orthogenal frequencies, corresponding central station, remote station, system and their use
03/01/1995CN1099544A 通信系统 Communications systems
02/1995
02/21/1995US5392223 For coupling workstation units in a system
02/14/1995CA2053271C Digital radio communication system and two-way radio
02/09/1995WO1995004411A1 Feedforward control system, method and control module
02/09/1995CA2167827A1 Feedforward control system, method and control module
02/09/1995CA2167502A1 Dynamic radio communications system
02/07/1995US5388122 Modulation and demodulation system
02/07/1995US5388091 Communications system for communications between an electronic control apparatus and a test apparatus
02/07/1995US5387981 Facsimile communication with selective call receivers
02/02/1995DE4292401C1 Device and method for forwarding digitised analog messages and digital data messages from a user interface to a processing section of a radiotelephone
01/1995
01/31/1995US5386419 Multiplexer for at least two independently operating signal sources
01/31/1995US5386239 Multiple QAM digital television signal decoder
01/25/1995EP0635954A2 Full duplex driver - receiver
01/25/1995EP0635953A1 System for increasing the capacity of existing local area networks that use shielded twisted wire pair medium
01/25/1995CN1097913A Digital user loop central machine system
01/24/1995US5384782 Digital radio receiver with decoding of confidence level information substituted for interleaved data
01/24/1995US5384769 Method and apparatus for a bus transceiver incorporating a high speed binary data transfer mode with a ternary control transfer mode having a full duplex, dominant logic transmission scheme
01/19/1995DE4412119C1 Arrangement for transmitting data between a central station and one of a plurality of data terminals
01/18/1995CN2187857Y Two-wire system serial curent ring communication bus
01/11/1995EP0633671A2 A multiple access radio system