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)
12/1984
12/04/1984US4486876 Broadband transmission on limited bandwidth digital line
12/04/1984CA1179075A2 Tim bus structure and data reorganization apparatus
12/04/1984CA1179032A1 Coaxial cable/fiber optic bus network
11/1984
11/27/1984US4485478 Digital burst signal transmission system
11/27/1984CA1178723A2 Station card circuit for electronic key telephone system
11/27/1984CA1178722A2 Electronic key telephone system
11/27/1984CA1178683A1 Orderwire communication system
11/27/1984CA1178680A1 Frame detection and synchronization system for high speed digital transmission systems
11/21/1984EP0125802A2 Multiplexed digital data transmission
11/20/1984US4484327 Pulse code modulation rate converter
11/14/1984EP0125168A1 Multiplexer, demultiplexer and multiplexing-demultiplexing equipment with reconfigurable frames
11/14/1984EP0124906A2 Digital signal multiplex apparatus
11/14/1984EP0124674A1 Method of synchronizing the transmitter of a digital communication system, and device for carrying out said method
11/13/1984US4483000 For use in a time division multiple access system
11/13/1984CA1177970A1 Microprocessor multiplexer method and apparatus for bisynchronous data
10/1984
10/30/1984US4480328 Method of and system for communication via satellite
10/24/1984EP0122765A2 Network protocol for integrating synchronous and asynchronous traffic on a common serial data bus
10/23/1984US4479212 Conference circuit
10/23/1984CA1176714A1 Clock synchronization system
10/16/1984US4477900 Digital communications system
10/16/1984US4477899 Digital data transmission system with time division/packet transformation function
10/16/1984US4477898 Process for determining active channel configurations in a multiplex communications system and a system for implementing said process
10/11/1984WO1984004011A1 A wideband digital switching network
10/09/1984US4476559 Simultaneous transmission of voice and data signals over a digital channel
10/02/1984US4475191 Distributed time division multiplexing bus
10/02/1984US4475187 Broad band exchange system to minimize crosstalk using threshold value multiplex circuits
09/1984
09/26/1984EP0119243A1 Synchronizing system.
09/26/1984EP0030551B1 A technique for increasing the rain margin of a communication system
09/25/1984US4473901 Self clocking sampled analog data transmission system
09/19/1984EP0118767A2 Method for a telecommunication exchange, especially a private telephone exchange with a data loop transmission system, especially with an optical data loop transmission system
09/18/1984US4472811 Subscribers loop synchronization
09/18/1984US4472803 Digital transmitting system
09/18/1984US4472802 System of transmitting information between a central station and sub-stations
09/12/1984EP0118123A2 Process for the transmission and the reception of digital information signals
09/11/1984US4471480 Programmable controller for a TDM digital multiplexer-demultiplexer combination
09/11/1984US4471466 Apparatus for conforming the length of a data stream through a transmission line
09/11/1984CA1174384A1 Digital transmultiplexer
09/11/1984CA1174383A1 Speech detection in a telephone circuit signal
09/05/1984EP0117644A1 Digital communication station
09/05/1984EP0117544A2 Time division multiplex system
09/05/1984EP0117442A2 Distributed bus control system
09/04/1984US4470141 Multi-direction time division multiplex communication system
09/04/1984CA1173944A1 Switching network for use in a time division multiplex system
09/04/1984CA1173927A1 Communication system and method
08/1984
08/29/1984EP0117185A1 Demultiplex device of digital sequences
08/29/1984EP0116962A2 Frame synchronizing system
08/29/1984EP0116617A1 A pulse code modulated digital automatic exchange
08/29/1984EP0116554A1 Fast response system for switched data networks.
08/28/1984US4468767 Drop-and-insert multiplex digital communications system
08/28/1984US4468737 Circuit for extending a multiplexed address and data bus to distant peripheral devices
08/22/1984EP0116430A1 Digital communication station
08/21/1984US4467469 Circuitry for recovery of data from certain bit positions of a T1 span
08/14/1984US4466097 Control signal-multiplexing circuit
08/14/1984CA1172738A1 Digital pbx system
08/14/1984CA1172728A1 Frame synchronizer
08/08/1984EP0115385A2 Radio communication system
08/07/1984CA1172392A2 Baton passing method and apparatus for maintaining synchronization in a tdma satellite communication system
08/07/1984CA1172330A1 Multiport modem and the use thereof in a method and a system for testing a multilevel communication network
08/02/1984WO1984003016A1 Synchronous communications multiplexer
08/01/1984EP0114702A2 Higher-order multiplex digital communication system with identification patterns specific to lower-order multiplex signals
08/01/1984EP0114678A2 Base-band equipment for earth stations of a time division multiple access satellite transmission system
07/1984
07/25/1984EP0114066A2 Automatic gain control circuit for burst signal communication system
07/24/1984US4462105 Transceiver unit for a telecommunication system
07/19/1984WO1984002817A1 Method of transferring digital signal
07/19/1984WO1984002816A1 Activation of a transmission link by code sending
07/19/1984WO1984002815A1 Activation in a digital subscriber connection
07/18/1984EP0113639A1 Switching system for fixed-length synchronous packets
07/17/1984US4460993 Automatic framing in time division multiplexer
07/17/1984US4460992 Orthogonal CDMA system utilizing direct sequence pseudo noise codes
07/11/1984EP0113307A1 Alignment circuit for fixed-length digital information blocks
07/11/1984EP0112953A1 Method of dynamic assignment of speeds in a multiplex transmission system
07/04/1984EP0112477A1 Apparatus for multiplexing and demultiplexing data sources
07/04/1984EP0112426A1 Synchronizing system for a multiplexed loop communication network
06/1984
06/27/1984EP0111913A1 Synchronisation supervising method and device in a time division multiplex system
06/26/1984US4457013 Of a telecommunication system
06/26/1984CA1169946A1 Process and apparatus for synchronization of digital signals
06/26/1984CA1169937A1 Process and apparatus for digital data communication using packet switching
06/21/1984WO1984002438A1 Distributed time division multiplexing bus
06/20/1984EP0111262A2 Output multiplexer having one gate delay
06/20/1984EP0110933A1 Apparatus for through-connection testing in a digital telecommunication network.
06/19/1984US4455649 Method and apparatus for efficient statistical multiplexing of voice and data signals
06/19/1984US4455646 Pulse code modulated digital automatic exchange
06/19/1984CA1169574A1 Communication multiplexer having dual microprocessors
06/13/1984EP0110648A1 Synchronization apparatus in redundant time-division-multiple-access communication equipment
06/13/1984EP0110481A1 System for the identification of local stations by a central interrogating station
06/13/1984EP0110392A2 Digital radio transmission system
06/13/1984EP0110314A2 Time division mutiplex data transmission method and system
06/12/1984CA1169170A1 Digital subscriber communication system
06/12/1984CA1169169A1 Method of and system for satellite-switched time- division multiple access
06/12/1984CA1169158A1 Communication multiplexer variable priority scheme
06/12/1984CA1169156A1 Apparatus for conforming the length of a data stream to a transmission line
06/05/1984US4453247 Speech packet switching method and device
06/05/1984CA1168770A1 Idle time slot seizure and transmission facilities for loop communication system
05/1984
05/29/1984US4451917 Method and apparatus for pulse train synchronization in PCM transceivers
05/29/1984CA1168390A1 Digital subscriber carrier system including drop terminals and bypass and loopback means and alarm indication means
05/29/1984CA1168349A1 Apparatus and method for transmitting a pulse width modulated audio signal on a video signal
05/29/1984CA1168311A1 Digital transmission systems
05/24/1984WO1984002045A1 Apparatus for receiving high-speed data in packet form
05/23/1984EP0109037A1 Process and device for evaluating the noise level on a telephone line
05/23/1984EP0108938A1 Digital paging system having bit rate switching means and digital paging receiver therefor
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