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)
12/1988
12/15/1988DE3717315A1 Method for synchronising a frame for subsequent decoding of additional information contained in digital signals
12/14/1988EP0294713A2 Equipment for fast frame- and phase-synchronisation
12/13/1988US4791653 Pseudorandom word sequence synchronizer
12/13/1988US4791652 Synchronization of asynchronous data signals
12/13/1988US4791628 High-speed demultiplexer circuit
12/06/1988US4790015 Multirate digital transmission method and device for implementing said method
12/06/1988US4789984 High-speed multiplexer circuit
12/06/1988CA1246252A1 Monolithically integrated electro-optical multiplexer/demultiplexer
12/06/1988CA1246251A1 Hierarchical data transmission system
11/1988
11/30/1988EP0293096A2 Asynchronous-to-synchronous digital data multiplexer/demultiplexer with asynchronous clock regeneration
11/29/1988US4788681 Digital transmission system
11/23/1988EP0292208A2 Digital frame synchronizer
11/22/1988US4787085 Digital signal transmitting system
11/22/1988US4787084 Frame code converter
11/22/1988CA1245349A1 Sync extraction for a broadcasting system with time multiplexing of digital and analog signals
11/22/1988CA1245320A1 Method and apparatus for looping around a digital transmission line at a channel unit
11/17/1988WO1988009094A1 Time multiplex system for transmitting information between vehicle components
11/17/1988WO1988009093A1 Control of optical systems
11/17/1988EP0290769A2 Digital time division multiplex system
11/15/1988CA1244973A1 Multi-direction time division multiplex communication apparatus
11/09/1988EP0290023A1 Supervisory system for a local area bus network with a star structure
11/09/1988EP0289526A1 Adaptive threshold sampling method.
11/02/1988EP0289400A2 High speed asynchronous data multiplexer/demultiplexer
11/01/1988US4782485 Multiplexed digital packet telephone system
11/01/1988CA1244155A1 Distributed bus control communication protocol
10/1988
10/25/1988US4780891 Method and device for synchronizing sychronous digital bit streams
10/25/1988US4780890 High-speed pulse swallower
10/25/1988US4780620 Time multiplex system for transmitting information between vehicle components
10/19/1988EP0287415A1 Optic fibre transmission device, particularly for underwater environment
10/19/1988EP0286744A1 Detection of digital signal error rates
10/18/1988US4779269 Efficient transmission mechanism integrating data and non coded information
10/18/1988US4779268 Frame decoding for digital signal transmission
10/18/1988US4779263 Time division multiplexer including a repeating adapter
10/18/1988US4779008 Multiple redundant clock system comprising a number of mutually synchronizing clocks, and clock circuit for use in such a clock system
10/13/1988DE3710166A1 Method for the single-channel transmission of voice and data signals
10/12/1988EP0286614A1 Method and equipment for synchronizing and transmitting information in a radio communication network
10/12/1988EP0286609A1 Encoding method in transmission of plurality of oversampled data channels, and apparatus for carrying out the method
10/11/1988US4777653 Apparatus for controlling transmission power over a digital radio communication channel
10/11/1988US4777634 Demultiplexer of a digital signal transmission apparatus
10/05/1988EP0285158A2 Frame synchronizing apparatus
10/05/1988EP0284604A1 Synchronizing circuit for a plurality of power units.
10/05/1988CN88101402A 异步时间分割通讯系统 Asynchronous time division communication system
10/04/1988US4775987 Broadband digital transmission systems
10/04/1988US4775974 Multipoint satellite packet communication system
09/1988
09/28/1988EP0284106A2 Circuitry for inserting a service channel for an information transmission system
09/28/1988EP0284089A2 Multiplexing apparatus having BSI-code processing and bit interleave functions
09/28/1988CN88100906A Time division multiplexed signalling
09/27/1988US4774708 Station of a TDMA communication network capable of quickly changing communication traffic without causing an overlap between transmission bursts
09/27/1988CA1242537A1 Multiple access communications system
09/22/1988WO1988007300A1 Jitter control in digital communications links
09/22/1988WO1988007297A1 Asynchronous time division communication system
09/22/1988WO1988007293A1 Transfer of messages in a multiplexed system
09/21/1988EP0283106A1 Remote monitoring and controlling system
09/21/1988EP0283079A2 Asynchronous time division communication system
09/21/1988EP0282990A2 Digital data multiple conversion system for converting data having a frequency to data having another frequency by a digital stuffing method
09/21/1988CN88101769A Synchronisation arrangements for digital telecommunications exchange system
09/20/1988US4773068 Dual channel transmission method and apparatus with inherent channel identification and extraction
09/20/1988US4773065 Communication network system
09/20/1988US4773064 Apparatus for status change recognition in a multiplex channel
09/14/1988EP0282229A2 Synchronisation arrangements for a digital telecommunications exchange system
09/13/1988US4771426 Isochronous clock reconstruction
09/13/1988US4771421 Apparatus for receiving high-speed data in packet form
09/13/1988US4771418 Time-slot assigner multiplexer
09/13/1988US4771402 Address comparator
09/13/1988US4771282 Terminal for data transmission system
09/13/1988US4771264 Detection of a pattern occuring within a time interval
09/07/1988EP0281010A2 Apparatus for the transmission of data signals via a TDM transmission line
09/06/1988US4769809 Method of and circuit arrangement for through-switching broadband digital signals without phase jump in a synchronous broadband communication network
09/06/1988CA1241776A1 Device for performing wrap tests on a multiplex link in a data communication system
09/06/1988CA1241720A1 Remote control system for data communication utilizing modems
08/1988
08/30/1988US4768192 Frame synchronization detection system for time division multiplexed (TDM) digital signals
08/30/1988US4768188 Optical demand assigned local loop communication system
08/30/1988CA1241464A1 Digital signal-channel distributor
08/30/1988CA1241406A1 Recovery of frame alignment word having bits distributed in a digital transmission signal
08/24/1988EP0279503A2 Time division multiplexed signalling
08/23/1988CA1241132A1 Adaptive rate multiplexer-demultiplexer
08/23/1988CA1241098A1 Arrangement for controlling switched speech or data communication in a communications exchange
08/16/1988US4764942 Slip control in a plesiochronous buffer circuit to reduce distortion of two kinds of data signals
08/16/1988US4764941 Digital frame synchronizer
08/16/1988US4764921 Method of multiplexing digital signals
08/16/1988US4764748 Analog-to-digital conversion apparatus with dither signal
08/11/1988WO1988005981A1 Tdma communications system with adaptive equalization
08/10/1988EP0277380A1 Method for adjusting the delay between TDMA information transmission stations and a system for which the method is carried out
08/09/1988US4763327 Distributed digital signal process multiplexer
08/09/1988US4763324 Frame decoding
08/09/1988US4763322 Digital radio transmission system with variable duration of the time slots in the time-division multiplex frame
08/09/1988CA1240424A1 Bit compression multiplexing
08/09/1988CA1240423A1 Bit compression multiplexing
08/09/1988CA1240422A1 Terminal control device for reference station in tdma satellite communication system
08/09/1988CA1240421A1 Digital telecommunications system
08/03/1988EP0276905A1 An optical communications network
08/03/1988EP0276598A1 Charge transfer device analogous multiplexer and its use in reading signals from a photodetector matrix
08/02/1988US4761799 Time-locking method for stations which form part of a local star network, and local star network for performing the time-locking method
08/02/1988US4761781 Adaptative packet/circuit switched transportation method and system
08/02/1988US4761779 Subscriber's line switching control system
08/02/1988CA1240061A1 Field synchronisation devices
08/02/1988CA1240013A1 Control signalling arrangement for a digital transmission system
07/1988
07/27/1988EP0275743A1 Equipment for digital multiplexing and demultiplexing of packets with different lengths
07/27/1988EP0094420B1 Data muting method and apparatus for radio communications systems
07/26/1988CA1239712A1 Conference circuit for digital communication systems
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