Patents
Sitemap › H04 - Electric communication technique › H04L - Transmission of digital information, e.g. telegraphic communication › H04L 5 - Arrangements affording multiple use of the transmission path
Patents for H04L 5 - Arrangements affording multiple use of the transmission path (28,368)
10/1993
10/14/1993WO1993015558A3 Information compaction system
10/13/1993EP0565203A2 Multiplexer for time slot data
10/12/1993US5253250 Routing and switching of high-speed optical data with the header transmitted on a subcarrier frequency
10/12/1993US5253249 Bidirectional transceiver for high speed data system
10/12/1993CA2004023C Tdm quasi-duplex system
10/06/1993CN1022366C Digital radio communication system and two-way radio
10/05/1993US5251324 Method and apparatus for generating and collecting viewing statistics for remote terminals in a cable television system
10/05/1993US5251313 Method of bit rate adaption using the ECMA 102 protocol
10/05/1993US5251234 Data transmission system
10/05/1993US5251210 Method and apparatus for transforming low bandwidth telecommunications channels into a high bandwidth telecommunication channel
09/1993
09/30/1993WO1993019520A1 Method and apparatus for partial response demodulation
09/30/1993DE4210023A1 Digital signal transmission system - divides transmitted signal into partial signals fed to two two=wire lines via phantom circuit
09/29/1993EP0562868A2 Method and apparatus for multiple access between transceivers in wireless communication using OFDM spread spectrum
09/28/1993US5249201 Transmission of multiple carrier signals in a nonlinear system
09/22/1993EP0561435A2 Information transfer system, a transmitter, a receiver and a record carrier for use in the system
09/22/1993CN1076568A Information transfer system a transmitter, a receiver and a record carrier for use in the system
09/15/1993EP0560071A2 Method of signalling
09/15/1993EP0428522B1 Process for switching signals into or out of subdomains of the supplementary signals of transmission modules of a synchronous digital signal hierarchy
09/14/1993US5245340 Digital transmultiplexer with automatic threshold controller
09/14/1993CA1322237C Transceiver arrangement for full-duplex data transmission comprising an echo canceller and provisions for testing the arrangement
09/11/1993CA2062583A1 Serial data switchboard
09/08/1993EP0558935A2 Communications adapter between two way alternate and two way simultaneous communication links
09/07/1993US5243623 Switchable multi-mode transceiver interface device
09/03/1993CA2086853A1 Communications adapter between two way alternate and two way simultaneous communication links
08/1993
08/31/1993US5241542 Battery efficient operation of scheduled access protocol
08/25/1993EP0556361A1 Data signal multiplexing method and device.
08/18/1993EP0555596A1 Method for determining the propagation time between a remote terminal station and a central terminal station, in a bidirectional point-to-multipoint transmission system
08/18/1993EP0555595A1 Method of time slot assignment in a time division multiple access transmission system
08/17/1993US5237570 Prioritized data transfer method and apparatus for a radiotelephone peripheral
08/17/1993CA1321414C Transmission system
08/11/1993EP0554997A2 Timing generation device and data transmission device having the timing generation device
08/05/1993WO1993015558A2 Information compaction system
08/04/1993EP0554056A2 Frequency division multipplexed transmission of synchronous and start-stop data
08/04/1993EP0532504A4 Cable television radio frequency data processor
08/04/1993EP0470072A4 Distributed intelligence network using time and frequency multiplexing
07/1993
07/27/1993US5231629 Full-duplex communication system
07/27/1993US5231628 Network system for data transmission
07/22/1993WO1993014597A1 Multichannel television signal scrambling and descrambling system and method
07/21/1993EP0552034A2 Simultaneous transmission of data and analog voice-band signals
07/13/1993US5228026 Technique for time-division duplex cordless telecommunication
07/08/1993WO1993013611A1 Scanless tv transmission system
07/08/1993CA2117346A1 Scanless tv transmission system
07/07/1993EP0550046A2 Routing and switching of optical packets with multiplexed data and header
07/07/1993CN1021535C Evaluation of information throughput from time-devision channel virtual circuits
07/06/1993US5225902 Automatic frequency selection in a bi-directional cable television system
07/01/1993CA2085395A1 Routing and switching of high-speed data with the header transmitted on a subcarrier frequency
06/1993
06/30/1993EP0548205A1 Reception of orthogonal frequency division multiplexed signals
06/24/1993WO1993012599A1 Embedded signalling
06/22/1993US5222103 Differential quadrature phase shift keying encoder for subcarrier systems
06/22/1993US5222062 Expandable communication system with automatic data concentrator detection
06/16/1993EP0545936A1 A dual-hubbed arrangement to provide a protected ring interconnection
06/15/1993US5220557 Multiple use digital transmitter/transceiver with time multiplexing
06/10/1993WO1993011616A1 Digital data transmission process in the null symbol of a cofdm modulation process
06/08/1993US5218604 Dual-hubbed arrangement to provide a protected ring interconnection
06/02/1993EP0544337A1 Packet data communications
05/1993
05/27/1993WO1993010604A1 A spread-time code division multiple access technique with arbitrary spectral shaping
05/27/1993DE4138770A1 Verfahren zur digitalen datenuebertragung im nullsymbol des cofdm-modulationsverfahrens Method for digital data transmission in the zero symbol of cofdm-modulation procedure
05/25/1993US5214774 Segmented memory transfer and message priority on synchronous/asynchronous data bus
05/25/1993US5214648 Complementary communication system in the no-connection mode for asynchronous time-division network
05/25/1993US5214641 Mixed analog digital secondary channel FSK modem
05/25/1993US5214637 High speed two wire modem
05/25/1993US5214390 Method and apparatus for partial response demodulation
05/19/1993CN1020814C Method for unblocking multibus multiprocessor system
05/18/1993US5212685 Control circuit for half-duplex/simplex interface in communication system
05/13/1993WO1993009601A1 Bidirectional bus repeater
05/05/1993EP0540452A1 Method and apparatus for transforming low bandwidth telecommunications channels into a high bandwidth telecommunication channel
05/05/1993EP0532507A4 Cable television radio frequency return method
05/04/1993US5208812 Telecommunications system
05/02/1993CA2077288A1 Method and apparatus for transforming low bandwith telecommunications channels into a high bandwidth telecommunication channel
04/1993
04/28/1993EP0532503A4 Cable television radio frequency subscriber data transmission apparatus and calibration method
04/28/1993EP0296175B1 Method and installation for digital communication, particularly between and toward moving vehicles
04/28/1993CN1071542A Method and apparatus of interconnecting computer network
04/27/1993CA1316984C Error correction method for multicarrier radio transmission system
04/20/1993US5204877 Spread spectrum modulating device
04/20/1993CA2005508C Multiplexed synchronous/asynchronous data bus
04/14/1993EP0536334A1 System and method for generating signal waveforms in a cdma cellular telephone system
04/13/1993US5202593 Bi-directional bus repeater
04/07/1993EP0535812A2 TDMA burst-mode mobile radio communication system with forward error correction
04/06/1993US5201071 Method and apparatus for reducing the peak envelope voltage of an RF transmitter while maintaining signal average power
03/1993
03/31/1993EP0534255A2 Multiple use digital transmitter/transceiver with time multiplexing
03/25/1993DE4231163A1 Fehlertolerantes mehrstations-uebertragungssystem A fault-tolerant more stations-transmission system
03/24/1993EP0533435A1 Radio telephone apparatus with frequency divider used during emission and stopped during reception
03/24/1993EP0533091A2 Parallel transmission method
03/24/1993EP0532648A1 Method and apparatus for transmission of data over power lines
03/24/1993EP0532507A1 Cable television radio frequency return method
03/24/1993EP0532504A1 Cable television radio frequency data processor.
03/24/1993EP0532503A1 Cable television radio frequency subscriber data transmission apparatus and calibration method.
03/24/1993CN1070299A Implementation method of modem
03/23/1993US5197065 Distribution mechanism for establishing communications between user interfaces of a communication system
03/20/1993CA2078646A1 Fault tolerant multi-drop communications system
03/18/1993WO1993005589A1 Data signal multiplexing method and device
03/17/1993EP0334867B1 Duplex data transmission
03/10/1993EP0247189B1 Apparatus for encoding and transmitting signals
03/04/1993WO1993004546A1 Radio information and communication system using multicarrier spread-spectrum transmission system
03/04/1993WO1993004536A1 Modem
03/03/1993EP0529602A2 Differential receiver which is tolerant of line faults
03/03/1993EP0529421A2 Method and apparatus for measuring carrier frequency offset in a multichannel communications system
03/03/1993EP0529269A2 Battery efficient operation of scheduled access protocol
03/03/1993CN1020033C Apparatus for processing signalling messages in asynchronous time division telecommunications network
03/02/1993US5191576 Method for broadcasting of digital data, notably for radio broadcasting at high throughput rate towards mobile receivers, with time frequency interlacing and analog synchronization
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