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)
08/1986
08/26/1986US4608682 Optical time-division switching system employing optical bistable devices
08/26/1986CA1210541A1 Conferencing system adaptive signal conditioner
08/26/1986CA1210536A1 Digital communication station signaling control
08/26/1986CA1210535A1 Digital dual channel communication terminal
08/20/1986EP0191036A1 Database backup method.
08/19/1986US4607364 Multimode data communication system
08/19/1986US4607363 Buffer device for a voice transmission network
08/19/1986CA1210171A1 Method and apparatus for signaling an existing telephone communication between picture telephone apparatuses
08/19/1986CA1210120A1 Digital electronic switching systems
08/14/1986WO1986004766A1 Terminating port determination in a distributed control switching system using a distributed database
08/14/1986WO1986004765A1 Path hunting in a distributed control switching system
08/14/1986WO1986004764A1 Directory number translation in a distributed control switching system
08/14/1986WO1986004763A2 Controlling multi-port hunt groups in a distributed control switching system
08/14/1986WO1986004740A2 Processing sequence calls in a distributed control switching system
08/13/1986EP0190730A1 Device for triplicated clock distribution, each clock signal comprising a synchronisation signal
08/13/1986EP0190679A2 Centralized image responsive telephone time slot interchange system
08/12/1986US4606023 Guard time elimination in a time-division multiplexed, active star-coupled, half-duplex mode, synchronous communications network
08/12/1986CA1209713A1 Multi-processor system
07/1986
07/29/1986US4603418 Multiple access data communications controller for a time-division multiplex bus
07/29/1986US4603416 (Time division multiplex) switching system for routing trains of constant length data packets
07/29/1986US4603415 System for linking channel group in digital communication network
07/29/1986CA1208749A1 Packet load monitoring by trunk controllers
07/29/1986CA1208735A1 Timed token ring with multiple priorities
07/23/1986EP0188117A1 System for adjusting signal transmission timing in time-division multiplexing signal transmission
07/22/1986US4602363 Expansion apparatus for use in communication systems
07/22/1986US4602362 Information transport system
07/17/1986WO1986004205A1 Optical networks
07/16/1986EP0187339A2 Low power line driving digital transmission system
07/16/1986EP0110933B1 Apparatus for through-connection testing in a digital telecommunication network
07/16/1986CN85108417A Apparatus and method for providing dynamically assigned switch paths
07/15/1986US4601035 Data communication method and circuitry
07/15/1986US4601030 Multipoint system for interconnecting work stations
07/15/1986US4601029 Communication switching system
07/15/1986US4601027 Optical FDM system
07/15/1986CA1207926A1 Wideband digital switching network
07/15/1986CA1207924A1 Control information communication arrangement for a time division switching system
07/15/1986CA1207876A1 Distributed prioritized concentrator
07/15/1986CA1207875A1 Communications switching system
07/08/1986CA1207418A1 Self-routing switching network
07/08/1986CA1207417A1 Dual bus communication system
07/08/1986CA1207416A1 Distributed variable-band switching system for speech and data
07/02/1986EP0186139A2 Time division multiplexing RAM
07/02/1986EP0186132A2 Digital switching system
07/02/1986EP0186131A2 Digital switching system with two-directional addressing rams
07/02/1986EP0185936A2 Interface circuit arrangement for connecting data sources with data sinks, and switching systems with such an interface circuit arrangement
07/02/1986EP0116559B1 Timing delay equalization circuit
07/02/1986EP0107696B1 Apparatus for connecting digital terminals to a digital exchange
07/02/1986CN85107302A Apparatus for establishing communication paths
07/02/1986CA1207068A Arrangement for digital tone distribution
07/02/1986CA1207067A1 Communication switching system
07/02/1986CA1207030A Communication set and method
07/01/1986US4598404 Data format arrangement for communication between the peripheral processors of a telecommunications switching network
07/01/1986US4598396 Duplex transmission mechanism for digital telephones
07/01/1986US4598268 Digital span conversion circuit
06/1986
06/24/1986US4597075 Modular switching network for telecommunication system
06/24/1986CA1206633A1 Optical time-division switching system employing optical bistable devices
06/18/1986EP0184826A2 Command processor, use as a switch controller, and a method of operating the same
06/18/1986EP0184774A2 Memory arrangement and a switching stage comprising a memory arrangement for the establishment of dynamic connecting routes
06/18/1986EP0184706A2 Interface arrangement
06/17/1986US4596015 Failure detection apparatus for use with digital pads
06/17/1986US4596010 Distributed packet switching arrangement
06/17/1986CA1206240A1 Modular self-routing pcm switching exchange with virtual channel routing control for distributed control telephone exchanges
06/17/1986CA1206239A1 High bit-rate coupler between a pcm channel multiplex and a packet switching unit
06/17/1986CA1206238A1 Digital time-division switch
06/17/1986CA1206237A1 Method of and circuit arrangement for setting up a conference call
06/10/1986US4594713 Remote data link receive data reformatter
06/10/1986US4594712 Remote data link transmit data formatter
06/10/1986US4594705 Bus-configured local area network with data exchange capability
06/10/1986CA1205891A1 Telecommunications digital switchblock
06/05/1986WO1986003358A1 Loop around data channel unit
06/05/1986WO1986003357A1 Method and apparatus for looping around a digital transmission line at a channel unit
06/04/1986EP0183549A2 Subscriber line signalling device for use in a telecommunications system
06/04/1986EP0183530A2 Subscriber line interface modem
06/04/1986EP0182798A1 Digital timeslot and signaling bus in a digital pbx switch
06/04/1986EP0101713B1 Method and apparatus for synchronising the phase of a transit exchange in a digital telecommunication network
06/03/1986US4593388 Signal processors for digital telephone exchanges
06/03/1986US4593387 Time division switching system
06/03/1986CA1205587A1 Time-division switching unit
06/03/1986CA1205550A1 Distributed digital exchange with improved switching system and input processor
05/1986
05/27/1986US4592051 In a telecommunication system
05/27/1986US4592048 Integrated packet switching and circuit switching system
05/27/1986US4592047 Circuit for the subscriber termination in an integrated services digital network
05/27/1986US4592046 Subscriber's circuit for time division switching system
05/27/1986US4592045 Circuit for the subscriber termination in an integrated services digital network
05/27/1986US4592044 Apparatus and method for checking time slot integrity of a switching system
05/27/1986CA1205169A1 Pulse code modulated digital automatic exchange
05/27/1986CA1205168A1 Linear time division multiplexed voice conferencer and data transfer switch
05/20/1986CA1204848A1 Duplicated network arrays and control facilities for packet switching
05/20/1986CA1204847A1 Device for transmitting coded messages between stations
05/20/1986CA1204846A1 Pcm telecommunications system for voice and data
05/20/1986CA1204845A1 Modular self-routing pcm switching network for distributed control telephone exchanges
05/20/1986CA1204842A1 Maintenance of stored program controlled switching systems
05/14/1986EP0181164A2 Information transport system
05/14/1986EP0091932B1 Telephone switching control arrangement
05/13/1986US4589107 Simultaneous voice and data communication and data base access in a switching system using a combined voice conference and data base processing module
05/13/1986US4589106 Data line card printed board assembly
05/09/1986WO1986002751A1 Arrangement for path selection in a communications network
05/09/1986WO1986002749A1 Arrangement for communication between equipment belonging to different network architectures
05/07/1986EP0180448A2 Method of simultaneously transmitting isochronous and nonisochronous data on a local area network
05/07/1986EP0179979A2 Synchronous packet voice/data communications system
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