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)
12/1985
12/10/1985US4558444 Switching system having selectively interconnected remote switching modules
12/10/1985CA1197932A1 Communication arrangements for distributed control systems
12/04/1985EP0163288A1 Method for testing switched connexions of a multiplex space division switching network
12/04/1985EP0162994A1 Communication network and its application
12/04/1985EP0162970A1 Multiple memory loading system
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
11/27/1985EP0162270A1 Method for testing switched connexions of a multiplex space division switching network
11/27/1985EP0162174A1 Buffer device used in a voice transmission network
11/27/1985EP0088786B1 Method and arrangement for signaling the transmission mode of a communication system
11/26/1985US4555595 Telephone system
11/21/1985WO1985005241A1 Digital timeslot and signaling bus in a digital pbx switch
11/21/1985WO1985005237A1 Distributed packet switching arrangement
11/21/1985WO1985005236A1 Integrated packet switching and circuit switching system
11/21/1985EP0161253A1 Interface channel unit.
11/13/1985EP0161031A1 Telecommunication system, in particular telephone system
11/13/1985EP0160826A1 Space connection network for high bit rate digital signals
11/12/1985US4553235 Apparatus for connecting digital terminals to a digital exchange
11/06/1985EP0160443A2 Packet and circuit switched communications network
11/05/1985US4551835 In a communications controller
11/05/1985US4551832 Telephone based control system
11/05/1985US4551831 Time division multiplexed system for non real time digital switching
10/1985
10/29/1985US4550404 Switching system having remote switching capability
10/29/1985US4550398 Modular self-routing PCM switching network for distributed-control telephone exchange
10/29/1985US4550397 Alternate paths in a self-routing packet switching network
10/29/1985US4550224 Method and apparatus for adding conferees to a conference
10/29/1985CA1196116A1 Distributed control system for multiple random access to the transmission line of a local network for speech and data
10/23/1985EP0158645A1 Data communication method and circuitry.
10/22/1985US4549291 Hybrid local communication network, operating both in circuit and packet modes
10/22/1985CA1195760A1 Modular structure of pcm-switched distributed control and distributed-diagnostic network
10/16/1985EP0158131A1 Digital line termination unit command interface
10/15/1985US4547877 System for switching multirate digitized voice and data
10/10/1985WO1985004544A1 Arrangement for transferring digital data
10/09/1985EP0157704A2 Duplex transmission mechanism for digital telephones
10/09/1985EP0157189A1 Method for the concentration in traffic of packetized information signals, especially in an ISDN switching exchange
10/08/1985US4546475 For a two-way plural channel communication system
10/08/1985US4546470 Communications systems
10/08/1985US4546469 System for processing channel signalling in a time-division digital exchange
10/08/1985US4546468 Switching network control circuit
10/08/1985CA1194959A1 Bidirectional dual network
10/02/1985EP0156339A2 Method and arrangement for establishing and operating a time division broadband communication in a TDM exchange
10/02/1985EP0082200B1 Processor facilities for integrated packet and voice switching
10/01/1985US4545053 Time slot interchanger
10/01/1985US4545052 Data format converter
10/01/1985US4545051 Switching unit for the transfer of digitized signals in PCM system
10/01/1985US4545050 Method of and arrangement for establishing a conference connection in a TDM communication system
10/01/1985US4545048 Service integrated digital transmission system
10/01/1985CA1194572A1 Apparatus for connecting digital terminals to a digital exchange
09/1985
09/25/1985EP0155741A2 Process and apparatus for the synchronisation on a foreign network clock of a digital data transmission device
09/24/1985US4543653 Modular self-routing PCM switching network for distributed-control telephone exchange
09/24/1985US4543652 Time-division switching unit
09/24/1985US4543651 Duplicated time division switching system
09/18/1985EP0155030A2 Priority arrangement used in a telecommunication switching system
09/18/1985EP0155025A1 Digital switching network for switching signals of different bit rates
09/17/1985US4542507 In a digital transmission system
09/17/1985US4542499 Distributed control system for multiple random access to the transmission line of a local network for speech and data
09/17/1985US4542498 High bit-rate coupler between a PCM channel multiplex and a packet switching unit
09/17/1985US4542497 Wideband digital switching network
09/17/1985CA1193702A1 End-to-end information memory arrangement in a line controller
09/17/1985CA1193701A1 Switchboard control system
09/17/1985CA1193691A1 Multiple access data communication system control
09/12/1985WO1985004067A1 Telephone system port communication method and apparatus
09/11/1985EP0154371A2 Telecommunication switching system
09/04/1985EP0153753A2 Method for a telecommunication exchange, especially a private telephone exchange with special operation function assignment to terminals
09/03/1985US4539678 Synchronization system for a closed-loop multiplex communication network
09/03/1985US4539676 Bulk/interactive data switching system
08/1985
08/27/1985US4538263 Variable-band switching system for voice and data communication
08/27/1985US4538260 Electronic time switch
08/27/1985US4538259 In a communication system
08/21/1985EP0151917A2 Time slot exchange with interchange memory
08/20/1985US4536870 PCM Switching network with surplus capacity
08/14/1985EP0151454A2 Broadband integrated subscriber access system
08/14/1985EP0151433A1 Equipment configuration at the customer premises in an ISDN network
08/13/1985US4535454 Multifrequency tone distribution using a conferencing arrangement
08/13/1985US4535453 Signaling input/output processing module for a telecommunication system
08/13/1985US4535448 Dual bus communication system
08/13/1985US4535446 Digital transmission systems
08/13/1985US4535445 Conferencing system adaptive signal conditioner
08/13/1985US4535444 Digital switching exchange for telephone systems
08/13/1985US4535442 Digital switching network for telecommunications exchange
08/13/1985US4535199 Data call transfer preindication
08/13/1985US4535198 Digital terminal keyboard dialing
08/07/1985EP0150940A2 Data Format converter
08/07/1985EP0150612A2 An arrangement for controlling switched speech or data communication in a communications exchange
08/07/1985EP0062293B1 Multiprocessor control arrangement
08/06/1985US4534027 Duplex digital span conversion circuit arrangement
08/06/1985US4534024 System and method for controlling a multiple access data communications system including both data packets and voice packets being communicated over a cable television system
08/06/1985US4534023 Plural communication channel protocol support systems
08/06/1985CA1191641A1 Processor facilities for integrated packet and voice switching
07/1985
07/30/1985US4532624 In a telecommunications system
07/30/1985US4532377 Data call transfer
07/30/1985CA1191211A1 Electronic time switch
07/30/1985CA1191210A1 Method of phase-synchronising a transit exchange in a digital telecommunication network
07/23/1985US4531210 Digital span reframing circuit
07/23/1985US4531024 Multilocation video conference terminal including video switching contention control
07/23/1985CA1190982A1 Data communication system with increased effective bandwidth
07/18/1985WO1985003181A1 Apparatus for sychronizing pulse trains in a digital telephone system
07/17/1985EP0148175A1 Control information communication arrangement for a time division switching system.
07/16/1985US4530093 PCM Telecommunications system for voice and data
07/16/1985US4530092 Distributed switching system having multiple time slot interchanger nodes
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