Patents
Sitemap › H04 - Electric communication technique › H04J - Multiplex communication › H04J 3 - Time-division multiplex systems
Patents for H04J 3 - Time-division multiplex systems (63,408)
12/1985
12/03/1985US4556970 PBX Telephone system remote synchronization
11/1985
11/27/1985EP0162658A1 Apparatus and method for checking time slot integrity of a switching system
11/27/1985EP0162173A1 Digital transmission system for a packetized voice
11/26/1985US4555782 Base-band equipment for ground stations of satellite telecommunication system
11/26/1985US4555774 Fast response for switched data networks
11/26/1985CA1197293A1 System for adjusting a time axis by using a control and an adjustment time slot in a satellite station of a tdma network
11/21/1985WO1985005235A1 A method and circuit arrangement for the realization of pcm-channel units of scpc satellite-communication systems
11/21/1985EP0085820B1 Method for multi-speed digital transmission and apparatus for carrying out said method
11/19/1985US4554660 One-way data transmission system
11/19/1985CA1196982A1 Request-to-send (rts)/data carrier detect (dcd) simulator
11/19/1985CA1196981A1 Time-division multiplex transmission system
11/13/1985EP0161177A1 Process and device for the recovery of a frame lock word with distributed bits within a digital signal
11/13/1985EP0161034A2 Buffer memory for an input line of a digital telephone exchange
11/12/1985US4552996 Method and apparatus for evaluating noise level on a telephone channel
11/05/1985US4551839 Error-protecting system for a two-way asynchronous data transmission
11/05/1985US4551830 Apparatus for providing loopback of signals where the signals being looped back have an overhead data format which is incompatible with a high speed intermediate carrier overhead format
10/1985
10/30/1985EP0159810A1 Broadband digital transmission systems
10/29/1985US4550399 Odynamical operating rate allocation process in a multiplex communication system
10/22/1985US4549303 Multichannel time division multiplexed trunk transmission link
10/16/1985EP0158364A2 Local area network
10/16/1985EP0157766A1 Data encoding and synchronization for pulse telemetry
10/08/1985CA1195007A1 Framing system
10/08/1985CA1195003A1 Arrangement for converting the sampling frequencies of n time discrete or digital signals
10/02/1985EP0156213A2 Apparatus and method for providing a transparent interface across a satellite communications link
10/01/1985US4545052 Data format converter
10/01/1985CA1194589A1 Measuring equipment for packet multiplexed digital channels in a signal, especially in an analog signal
09/1985
09/26/1985WO1985004300A1 Broadband digital transmission systems
09/25/1985EP0155741A2 Process and apparatus for the synchronisation on a foreign network clock of a digital data transmission device
09/24/1985US4543652 Time-division switching unit
09/24/1985CA1194192A1 Circuitry for recovery of data from certain bit positions of a t1 span
09/17/1985US4542504 Shared data receiver
09/17/1985US4542503 Arrangement for the synchronous demultiplexing of a time division multiplex signal
09/17/1985US4542500 Multiplexing and demultiplexing system with justification
09/17/1985US4542497 Wideband digital switching network
09/17/1985CA1193745A1 Fast response for switched data networks
09/17/1985CA1193671A1 Orthogonal cdma system utilizing direct sequence pseudo noise codes
09/12/1985WO1985004064A1 Increased bit rate optical data stream
09/11/1985EP0154264A2 High-speed burst signal monitoring device
09/10/1985US4541104 Framing circuit for digital system
09/04/1985EP0153749A2 Digital transmission system for transmitting and displaying pictures and data
09/04/1985EP0153437A1 Electrochemical measuring electrode device and method for transmission of signals therefrom
09/04/1985EP0053623B1 Data multiplexing apparatus and method, and receiver for use therewith
09/03/1985US4539678 Synchronization system for a closed-loop multiplex communication network
08/1985
08/29/1985WO1985003826A1 Multipriority communication system
08/28/1985EP0153264A1 Data broadcasting system, especially towards mobile stations
08/28/1985EP0152423A1 Maintenance response signalling arrangement for a digital transmission system.
08/27/1985US4538286 Data rate conversion and supervisory bit insertion in a data system
08/27/1985US4538272 Prioritized clock selection circuit
08/27/1985US4538260 Electronic time switch
08/27/1985US4538259 In a communication system
08/27/1985CA1192682A1 Pulse code modulation rate converter
08/21/1985EP0151616A1 Control signalling arrangement for a digital transmission system.
08/20/1985US4536876 Self initializing phase locked loop ring communications system
08/14/1985EP0151454A2 Broadband integrated subscriber access system
08/13/1985US4535452 In a digital communication system
08/13/1985US4535451 Fourth-order digital multiplex system for transmitting a plurality of digital signals at a nominal bit rate of 44 736 kbit/s
08/13/1985US4535450 Digital signal repeating system
08/13/1985US4535446 Digital transmission systems
08/07/1985EP0150940A2 Data Format converter
08/07/1985EP0150612A2 An arrangement for controlling switched speech or data communication in a communications exchange
08/06/1985CA1191629A2 Time assignment speech interpolation apparatus
07/1985
07/31/1985EP0149766A1 Device for building up a frame at the transmitting terminal or decomposing the frame at the receiving terminal respectively for a digital directional link
07/30/1985CA1191211A1 Electronic time switch
07/30/1985CA1191210A1 Method of phase-synchronising a transit exchange in a digital telecommunication network
07/30/1985CA1191205A1 Repeater station for use in a radio relay system to protect time deviations of time slots
07/23/1985US4531211 Multiplexer for bit oriented protocol data link control
07/23/1985US4531210 Digital span reframing circuit
07/16/1985US4530093 PCM Telecommunications system for voice and data
07/16/1985US4530087 Space diversity receiving system for multi-direction time division multiplex communication
07/09/1985US4528660 Multiplexed data stream monitor
07/09/1985US4528659 Interleaved digital data and voice communications system apparatus and method
07/04/1985WO1985002959A1 A digital communications system
07/02/1985US4527268 Structure of an access point toward a data pack broadcasting network
07/01/1985EP0094420A4 Data muting method and apparatus for radio communications systems.
06/1985
06/26/1985EP0146236A2 High speed solid state multiplexer
06/26/1985EP0145983A2 Digital radio relay equipment and method
06/25/1985US4525836 Circuit for converting a logical signal into two balanced logical signals
06/25/1985US4525833 Process for time-sequenced multiplexing of data on a transmission medium and devices to implement this process
06/20/1985WO1985002733A1 Fiber optic digital data transmitting system
06/19/1985EP0144835A2 Pcm-frame synchronizing unit
06/19/1985EP0144801A2 Digital signal transmitting system
06/18/1985US4524443 High speed solid state multiplexer
06/18/1985US4524345 Serial comparison flag detector
06/18/1985CA1189205A1 Demultiplexer circuit
06/12/1985EP0144077A2 Integrated services digital transmission network
06/12/1985EP0144076A2 Integrated services digital transmission network
06/12/1985EP0144075A2 Integrated services digital transmission network
06/11/1985US4523310 Synchronous communications multiplexer
06/11/1985US4523309 Time assignment speech interpolation apparatus
06/05/1985EP0143269A2 Process and device for inserting a digial binary narrow-band signal in, or for extracting this narrow-band signal from a time division multiplex signal
06/05/1985EP0143268A2 Process and device for inserting a digital binary narrow-band signal in, or for extracting this norrow-band signal from a time division multiplex signal
06/04/1985US4521745 Interactive non-hierarchical adaptively synchronized oscillator network and phase locked loop oscillator for use therein
06/04/1985CA1188436A1 Multiplexing and demultiplexing system with justification
05/1985
05/29/1985EP0142723A2 Frequency converter for multiplex system using pulse-stuffing
05/29/1985EP0142662A1 Selection arrangement in a channel distributor for digital signals
05/28/1985US4520480 Digital transmission system
05/28/1985US4520479 Arrangement for re-arranging information for transmitting outgoing time-division multiplexed information obtained from incoming time-division multiplexed information
05/28/1985CA1188001A1 Device for processing serial information which includes synchronization words
05/22/1985EP0141956A1 Device for transferring and processing data or signalling channels of a group of multiplex lines
05/21/1985US4519073 Bit compression multiplexer
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