Patents
Patents for H04L 5 - Arrangements affording multiple use of the transmission path (28,368)
01/1995
01/10/1995CA1333943C Digital transmultiplexer with automatic threshold controller
01/05/1995DE4321292A1 Method for serial transmission of measurement signals of a plurality of measurement parameters
01/03/1995US5379327 Synchronous-to-asynchronous converter
01/03/1995US5379294 For bandpass-filtering a first analog aignal and second signal
12/1994
12/28/1994EP0631240A1 Circuit for data transmission
12/28/1994CN1096912A Method and system for transferring status data
12/28/1994CN1027212C Base station emulator
12/27/1994US5377184 Method of controlling TWA link in a communications adapter by monitoring buffer fill levels
12/23/1994CA2126297A1 Data communication circuit
12/22/1994WO1994029984A1 Process and arrangement for adjusting the local oscillators of a receiver in a multi-channel transmission system
12/08/1994DE4402831A1 Zweiweg-Übertragungssystem unter Verwendung eines einzigen optischen Pfades Two-way communication system using a single optical path
12/06/1994US5371741 Method and arrangement of multiplexing serial data using wired-OR
11/1994
11/22/1994US5367545 Asynchronous signal extracting circuit
11/22/1994US5367533 Dynamic capacity allocation CDMA spread spectrum communications
11/10/1994WO1994026067A1 Multiple carrier digital television signal decoder
11/10/1994WO1994022093A3 Method and apparatus for dynamic, multispeed bus architecture with speed messages independent of data signal transfers
11/10/1994WO1994022092A3 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
11/10/1994DE4309422C1 Data transmission
11/10/1994DE4191735C2 Synchroner/asynchroner Datenbus im Multiplexbetrieb Synchronous / asynchronous data bus multiplexed
11/09/1994EP0623265A1 A method and means for transmultiplexing signals between signal terminals and radio frequency channels
11/08/1994US5363418 Data transmitter and receiver and the data control method thereof
11/08/1994US5363378 Channel data transmission system
11/08/1994US5363370 Multirate digital multiplexing demultiplexing method and device
11/02/1994EP0622940A1 Method for arranging complementary modes for transmission devices connected by a fixed link
11/02/1994EP0622003A1 Multichannel television signal scrambling and descrambling system and method
10/1994
10/27/1994WO1994024776A1 Method and apparatus for interfacing between a twisted pair and an intelligent cell
10/25/1994US5359709 Apparatus and method for providing multiple operating configurations in data circuit terminating equipment
10/25/1994US5359594 Power-saving full duplex nodal communications systems
10/18/1994US5357517 Error display device of data transmission system
10/18/1994US5357516 Apparatus for use in time division multiplexed communication systems
10/18/1994US5357515 Non-interruption transmission line switching system in a duplex transmission network
10/18/1994CA2020132C Complementary communication system in the no-connection mode for asynchronous time-division network
10/13/1994WO1994023518A1 Method and device for transmitting an asynchronous signal to a synchronous system
10/12/1994EP0619663A2 Packet data communication system
10/12/1994EP0619057A1 Scanless tv transmission system
10/11/1994US5355390 Communication apparatus for transmitting and receiving communication signals through common transmission line
10/11/1994US5355368 Method for allocating time slots for transmission in a half-duplex time division multiple access point-to-multipoint bidirectional transmission network
10/05/1994EP0618692A1 Passive optical telecommunicationssystem
10/05/1994EP0617865A1 Embedded signalling
10/04/1994US5353280 Full-duplex start-up for modems
10/01/1994CA2120116A1 Passive optical telecommunication system
09/1994
09/29/1994WO1994022247A1 Bus transceiver with binary data transmission mode and ternary control transmission mode
09/29/1994WO1994022093A2 Method and apparatus for dynamic, multispeed bus architecture with speed messages independent of data signal transfers
09/29/1994WO1994022092A2 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
09/29/1994CA2158155A1 Bus transceiver with binary data transmission mode and ternary control transmission mode
09/28/1994EP0617531A1 Multiresolution transmission system
09/27/1994US5351273 Process and system for the transmission of a signal
09/27/1994US5351272 Communications apparatus and method for transmitting and receiving multiple modulated signals over electrical lines
09/27/1994US5351148 Optical transmission system
09/26/1994CA2382460A1 Communication system
09/21/1994EP0616452A1 Hierarchical multistage digital FDM De-/multiplexer
09/21/1994CN1092578A Improvements in information transmission systems
09/20/1994US5349635 Half-duplex or full-duplex automode operation for use in data communications equipment
09/20/1994US5349461 Simultaneous bidirectional digital data transmission over a single line at a common frequency on an optical waveguide
09/15/1994WO1994021061A1 A multi-channel digital transmitter and receiver
09/15/1994WO1994020888A3 Radio frequency telecommunications transceiver
09/15/1994WO1994020888A2 Radio frequency telecommunications transceiver
09/15/1994WO1994016506A3 Digital broadcasting sharing the channel with an analog fm transmission
09/14/1994EP0614584A1 Digital data transmission process in the null symbol of a cofdm modulation process.
09/13/1994US5347549 Method and apparatus for interfacing between a twisted pair and an intelligent cell
09/13/1994US5347539 In a data communications network
09/13/1994US5347538 Transceiver for bidirectional link, integrated circuit including the transceiver, and application to communication between units of a system
09/08/1994EP0622003A4 Multichannel television signal scrambling and descrambling system and method.
09/07/1994EP0613599A1 A spread-time code division multiple access technique with arbitrary spectral shaping
09/06/1994US5345467 CDMA cellular hand-off apparatus and method
09/06/1994US5345443 In a digital telecommunications network switching system
09/06/1994US5345440 Reception of orthogonal frequency division multiplexed signals
09/06/1994US5345437 System for controlling frequency multiplexing modems
09/06/1994CA2018068C Distribution mechanism for establishing communications between user interfaces of a communication system
09/01/1994DE4306185A1 Device for bidirectional transmission of data words
08/1994
08/31/1994EP0613279A2 Method for data extraction on a two-wire telephone line with digital data traffic and device for execution of this method
08/23/1994CA1331639C Process for coupling and uncoupling signals into and out of the sub-areas of supplementary signals of transport modules of a synchronous digital signal hierarchy
08/18/1994WO1994018781A1 Method and system for compensating for coupling between circuits of quaded cable in a telecommunication transmission system
08/17/1994EP0610988A1 Multi-user spread spectrum communication system
08/16/1994US5339330 Integrated cellular communications system
08/10/1994EP0610030A2 Method and apparatus for transmitter power control in a cellular radio system
08/03/1994EP0609177A1 Method and apparatus for the bidirectional transmission of information (full duplex)
08/03/1994EP0608584A1 Method and apparatus for transition encoding a logic signal
08/02/1994US5335225 Communication system and a method for controlling a connection in the communication system
08/02/1994CA1331228C Synchronous protocol data formatter
07/1994
07/26/1994USRE34676 Fiber optic digital data transmitting system
07/26/1994US5333194 Autoequalizing bidirectional-to-unidirectional hybrid network
07/26/1994CA2015105C Hybrid modulation satellite communication system
07/21/1994WO1994016506A2 Digital broadcasting sharing the channel with an analog fm transmission
07/20/1994EP0606916A1 Data transmission system using error correction without expansion of bandwidth
07/19/1994US5331669 Asynchronous pulse converter
07/19/1994US5331316 Communication system including allocating free signalling channels to individual substations having data to transmit
07/12/1994US5329552 Method of binary encoding the points of a constellation used in a multicarrier modulation of OFDM type
07/05/1994US5327455 Method and device for multiplexing data signals
06/1994
06/28/1994US5325355 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
06/23/1994WO1994014257A1 Electronic duplex communication system
06/22/1994EP0602948A2 Use of data communications equipment interface leads to signal half-duplex or full-duplex operation
06/21/1994US5323446 Digital cellular switching system with means for securing uninterrupted data transparency during handoffs
06/21/1994US5323391 Multi-channel digital transmitter and receiver
06/18/1994CA2111543A1 Use of data communications equipment interface leads to signal half-duplex or full-duplex operation
06/15/1994EP0601766A1 Audiovisual communication system using variable length packets
06/15/1994EP0601260A1 Full-duplex start-up method for modems
06/15/1994CN1088037A Voice frequency band ultra-performance digital transmission system
06/14/1994US5321514 Interactive television and data transmission system
06/09/1994WO1994013094A1 Method of automatic duplex or semi-duplex communication for two units via a telephone line