Patents
Sitemap › H04 - Electric communication technique › H04Q - Selecting › H04Q 11 - Selecting arrangements for multiplex systems
Patents for H04Q 11 - Selecting arrangements for multiplex systems (43,004)
06/1983
06/07/1983CA1147865A1 Message interchange system among microprocessors connected by a synchronous transmitting means
05/1983
05/31/1983US4386425 Switching unit for the transfer of digitized signals in PCM system
05/26/1983WO1983001783A1 Control of dna sequence transcription
05/24/1983US4385385 Circuit for monitoring a digital signal generator
05/24/1983US4385380 Digital concentrator switch
05/24/1983US4385379 Digital concentrator for use with a digital telephone office
05/24/1983US4385206 Programmable port sense and control signal preprocessor for a central office switching system
05/18/1983EP0079150A1 Data communication system with increased effective bandwidth
05/17/1983CA1146680A1 Modular telecommunications system
05/11/1983EP0078714A1 Communication set and method
05/11/1983EP0078634A1 Switching network for use in a time division multiplex system
05/10/1983US4383315 Idle time slot seizure and transmission facilities for loop communication system
05/03/1983US4382295 Digital conference time slot interchanger
05/03/1983US4382294 Telephone switching control arrangement
05/03/1983US4382266 Broad band switching system
04/1983
04/28/1983WO1983001549A1 Telephone switching control arrangement
04/27/1983EP0077563A1 Process and apparatus for multiple random access to a transmission line in a local network for speech and data
04/26/1983US4381427 Subscriber loop system for voice and data
04/26/1983CA1145489A1 Modem with automatic port reconfiguration apparatus
04/20/1983EP0077292A1 Communication network using monomode fibres as transmission means of optical channels multiplexed in lightcarrier frequency domain
04/19/1983US4380810 Loopback test
04/19/1983CA1145018A1 System for interconnecting subscribers lines to an automatic digital telephone switching system
04/13/1983EP0076362A2 Service-integrated transmission and switching network for picture, sound and data
04/12/1983US4380064 Digital audio signal control system for a timedivision switching system
04/12/1983US4379950 Distributed control memory network
04/12/1983CA1144627A1 System for exchanging coded messages between stations
04/06/1983EP0075998A1 Digital telephone exchange comprising means for processing packet-switched data
04/06/1983EP0075780A1 Defence device for a distributed controlled automatic switching system
03/1983
03/31/1983WO1983001169A1 Method and arrangement for signaling the transmission mode of a communication system
03/30/1983EP0075349A1 Method and device for controlling a switching network
03/30/1983EP0075310A1 Circuit arrangement for telecommunication exchanges, especially telephone exchanges, with devices for securing the transmission of coded signals
03/30/1983EP0075305A2 Composite concentration system
03/30/1983EP0075248A1 Signal distribution device for an automatic time-division switching system
03/30/1983EP0075247A1 Group of terminal units for an automatic digital switching system
03/29/1983CA1143878A1 Dynamically variable priority variable position channels in a tdma burst
03/29/1983CA1143877A1 Signalling and channel loop test circuits for station carrier telephone system
03/29/1983CA1143812A1 Distributed control memory network
03/22/1983US4377859 Time slot interchanger and control processor apparatus for use in a telephone switching network
03/22/1983US4377858 Digital two-to-four wire converter for full duplex signals
03/22/1983US4377843 Data distribution interface
03/15/1983CA1143043A1 Arrangement for concentrating pulse code modulation processing circuits in a digital telephone end office
03/09/1983EP0073719A1 Digital frequency detecting device
03/03/1983WO1983000788A1 A local area communication network
03/02/1983EP0073078A2 Modular switching network for telecommunication system
02/1983
02/22/1983US4375098 Digital telecommunications system
02/22/1983US4375097 Transparent intelligent network for data and voice
02/22/1983CA1141875A1 Line circuit controlled by a hall effect device
02/22/1983CA1141850A1 Analog access arrangement for a digital telephone office
02/09/1983EP0071232A1 Broad-band communication system
02/09/1983EP0071057A2 Communication system with a switching arrangement for broadband signals
02/08/1983CA1141002A1 Communication line interface for controlling data information having differing transmission characteristics
02/03/1983WO1983000412A1 Idle time slot seizure and transmission facilities for loop communication system
02/01/1983US4371962 Circuit arrangement for compensating phase differences of non-synchronous clock pulse rates of a telecommunication system
02/01/1983CA1140687A1 Demand assignment technique for tdma satellite communication network
01/1983
01/26/1983EP0070502A1 Circuit for centrally controlled telecommunication exchanges, in particular TDM telephone exchanges, with exchange of information between partly centralized installations
01/25/1983US4370744 Time division multiplex communication system
01/25/1983US4370743 Time division switching system
01/25/1983US4370742 Time division electronic switching system
01/25/1983US4370648 Synchronizing circuit for use with a telecommunication system
01/25/1983US4370525 Variable rate timing circuit
01/20/1983WO1983000270A1 Processor facilities for integrated packet and voice switching
01/11/1983US4368531 Frame aligner for digital telecommunications exchange system
01/05/1983EP0068865A1 Processor facilities for integrated packet and voice switching
01/04/1983US4367548 Subscriber station for providing multiple services to a subscriber
12/1982
12/28/1982US4366566 System for interconnecting subscribers lines to an automatic digital telephone switching system
12/28/1982US4366350 Control system for telephone switching system
12/22/1982EP0067431A2 Network with a number of optical signal transmission lines interconnectable by optical mixers
12/22/1982EP0067245A1 Circuit arrangement for time-division-multiplex telecommunication exchanges, particularly for PCM telephone exchanges with time-division highways of which the time channels are used partially for the transmission of data and partially for the transmission of signalling information
12/21/1982US4365330 Channel zero switching arrangements for digital telecommunication exchanges
12/15/1982EP0067006A1 Digital conference circuit and method
12/15/1982EP0066947A1 Successive frame digital multiplexer with increased channel capacity
12/15/1982EP0066654A1 Circuit arrangement for centrally controlled time-division multiplex telecommunication exchanges, in particular PCM-telephone exchanges with a switching network, with interface circuits, with a central control unit and with decentralised control units added to the interface circuits
12/15/1982EP0066653A1 Circuit arrangement for time-division-multiplex telecommunication exchanges, particularly for PCM telephone exchanges with time-division highways of which the time channels are used partially for the transmission of data and partially for the transmission of signalling information
12/15/1982EP0066652A1 Circuit arrangement for time-division-multiplex telecommunication exchanges, particularly for PCM telephone exchanges with time-division highways of which the time channels are used partially for the transmission of data and partially for the transmission of signalling information
12/14/1982US4363936 Telephone network including common equipment with message information and control information circuits for connecting to stations having multifunction telephones
11/1982
11/30/1982US4361885 System for channel-specific releasing and blocking of telephone channels in converters of a time division multiplex system for pulse code modulation
11/23/1982US4360911 Digital signal switch system having space switch located between time switches
11/23/1982CA1136281A1 Circuit for use either as a serial-parallel converter and multiplexer or a parallel-serial converter and demultiplexer in digital transmission systems
11/16/1982CA1135820A1 Digital telephone exchange for areas of low subscriber's density
11/09/1982CA1135425A1 Signal multiplexing circuit
11/03/1982EP0063639A2 Digital wide-band communication system
10/1982
10/26/1982US4356563 Automatic digital telephone exchange
10/20/1982EP0062976A1 Switchboard control system
10/20/1982EP0062701A1 Method for the transmission of loop conditions and metering pulses in telephone systems
10/19/1982US4355386 Time-division multiplex digital switching network for a PCM telephone exchange system utilizing duplicate connecting field installations
10/19/1982US4355384 Non-blocking expandable switching matrix for a telecommunication system
10/13/1982EP0062296A1 Automatic TDM switching system with distributed control
10/13/1982EP0062295A1 Digital connection network
10/13/1982EP0062294A1 Line group terminal spare device
10/13/1982EP0062293A1 Multiprocessor control arrangement
10/12/1982US4354265 Method and an apparatus for transferring digital information in a telephone system
10/12/1982US4354264 Digital ring control system for digital multiplexer
10/12/1982US4354262 Logic system for controlling a modular multiplex connection unit in a time-division switching exchange
10/06/1982EP0061957A1 Logic-selection module
09/1982
09/28/1982US4352181 Device for synchronising multiplex lines in a time-division exchange
09/28/1982US4351985 Coupling system for a telecommunication exchange installation
09/22/1982EP0060517A1 Multiple access system of terminals on a digital telephone line
09/22/1982EP0060334A1 TDM switching network unit for time-space switching
09/22/1982EP0060332A1 TDM switching network unit for space switching
09/22/1982EP0060318A1 Broadband switching system
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