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)
03/1985
03/20/1985EP0134544A2 Variable band distributed switching node with dynamic hybrid-frame management
03/19/1985US4506356 Service integrated digital transmission system operating in time multiplex
03/19/1985CA1184283A1 Digital switching over pam bus system
03/19/1985CA1184282A1 Digital connection network
03/19/1985CA1184281A1 Telephone switching control arrangement
03/12/1985US4504947 PCM Supervision data reformatting circuit
03/12/1985US4504942 Telephone switching system
03/06/1985EP0133703A2 Digital satellite exchange for subscriber connections
03/05/1985US4503533 Local area communication network utilizing a round robin access scheme with improved channel utilization
03/05/1985US4503532 Multipoint fiber optic junction terminal
02/1985
02/27/1985EP0133577A1 Data transmission system in a digital transmission network and arrangement for the use of this system
02/19/1985US4500991 Circuit arrangement for the control of the transmission of digital signals, particularly PCM-signals, between stations of a time division multiplex telecommunication network particularly PCM-time division multiplex telecommunication network
02/19/1985US4500986 Asymmetrical time division matrix apparatus
02/19/1985US4500985 Communication path continuity verification arrangement
02/12/1985US4499577 Linear time division multiplexed conferencer for data transfer applications
02/12/1985US4499575 Group of terminal units for a digital exchange
02/12/1985US4499461 Circuit arrangement for centrally-controlled telecommunication exchange systems, particularly for time-division multiplex telephone exchange systems, with information exchange between PBX devices
02/12/1985CA1182548A1 Signal control system
02/05/1985US4497979 Method for processing essential lines in a communication system
01/1985
01/29/1985US4497054 One-for-N redundancy in a digital switch matrix
01/29/1985CA1181877A1 Successive frame digital multiplexer with increased channel capacity
01/23/1985EP0131818A2 Optical FDM system
01/23/1985EP0131591A1 Activation in a digital subscriber connection.
01/22/1985US4495618 Digital switching network
01/22/1985US4495615 Method and device for controlling a switching network
01/22/1985US4495614 Circuit for interfacing a processor to a line circuit
01/22/1985CA1181512A1 Digital information switching system
01/17/1985WO1985000262A1 Control information communication arrangement for a time division switching system
01/15/1985US4494229 Interconnecting apparatus for a distributed switching telephone system
01/09/1985EP0130431A1 System for digitized voice and data with means to compensate for variable path delays
01/08/1985US4493076 Security system for a distributed control exchange
01/08/1985US4493073 Maintenance of stored program controlled switching systems
01/02/1985EP0129722A1 TDMA System with a communications controller
01/01/1985US4491944 Distributed control time division exchange
01/01/1985US4491837 For transmitting outgoing signals
12/1984
12/20/1984WO1984005009A1 Method and apparatus for the connection of a closed ring through a telephone exchange
12/20/1984WO1984005003A1 System for switching multirate digitized voice and data
12/18/1984US4489437 Speech synthesizer
12/18/1984US4489412 Signal distribution system for a time-division exchange
12/18/1984US4489222 Telephone line interface
12/18/1984CA1179754A1 Time division multiplex switching network for multi- service digital networks
12/11/1984US4488294 Establishing and supporting data traffic in private branch exchanges
12/11/1984US4488292 PCM-TDM Switching system using time slot multiples
12/11/1984US4488291 Circuit arrangement for setting up a conference call
12/11/1984US4488290 Distributed digital exchange with improved switching system and input processor
12/11/1984US4488288 In a packet communication system
12/11/1984US4488287 Combining and splitting of voice and data from multiple terminal sources and electronic PABX for same
12/06/1984WO1984004833A1 Control channel interface circuit
12/05/1984EP0127570A2 Local communication system with a star network and optical channels
12/05/1984EP0127138A2 Telecommunication system linked to an information processing system
12/04/1984US4486879 Method and apparatus for mixing low-frequency signals transmitted via different time slots towards the same telephone receiver set
12/04/1984US4486878 Digital telephone exchange with means for processing packet-switched data
12/04/1984CA1179045A1 Dual rail time control unit for a t-s-t-digital switching system
12/04/1984CA1179044A1 Dual rail time and control unit for a duplex t-s-t- digital switching system
11/1984
11/28/1984EP0126484A2 Time switch in a time division switching network
11/28/1984EP0126482A2 Telecommunication system for stream traffic as well as for burst traffic
11/28/1984EP0126413A2 Telecommunication system for stream traffic as well as for burst traffic
11/28/1984EP0126196A1 Asynchronous time-division switching network for point-to-point, merging and broadcast communications
11/27/1984US4485469 Time slot interchanger
11/27/1984US4485468 Control word generation method and source facilities for multirate data time division switching
11/27/1984US4485467 Digital information switch matrix with on-line/off-line diagnostic features
11/27/1984CA1178699A1 Signal distributing device for a temporal automatic switchboard
11/27/1984CA1178698A1 Terminal array for a digital automatic switchboard
11/21/1984EP0125605A2 Channel selection in a switching system having clustered remote switching modules
11/21/1984EP0125604A2 Switching system having remote switching capability
11/21/1984EP0125602A2 Control communication in a switching system having clustered remote switching modules
11/20/1984US4484330 Majority vote circuit
11/20/1984US4484326 Packet load monitoring by trunk controllers
11/20/1984US4484324 Control information communication arrangement for a time division switching system
11/20/1984US4484323 Communication arrangements for distributed control systems
11/14/1984EP0124859A2 Circuit arrangement for connecting a subscriber line to a services integrated digital network (ISDN)
11/14/1984EP0124858A2 Circuit arrangement for connecting a subscriber line to a servies integrated digital network (ISDN)
11/14/1984EP0124591A1 Packet load monitoring by trunk controllers
11/13/1984US4482995 Time division multiplex switching network unit
11/13/1984CA1177984A1 Method and arrangement for signaling the transmission mode of a communication system
11/06/1984US4481621 Service integrated digital signal transmission system
11/06/1984CA1177566A1 Digital communications terminal as a subscriber and/or exchange station in a digital communications installation, more particularly as a terminal for a telephone installation or telephone private branch exchange
10/1984
10/31/1984EP0123371A1 Multi-processor system
10/30/1984US4480330 Arrangement for digital tone distribution
10/24/1984EP0122684A1 Electronic switching system
10/23/1984US4479212 Conference circuit
10/23/1984US4479034 Control system for a telephone switching system
10/23/1984CA1176768A1 Emergency device for subscriber terminal
10/23/1984CA1176737A1 Dual rail time and control unit for a duplex t-s-t-digital switching system
10/23/1984CA1176736A1 Dual rail time and control unit for a t-s-t-digital switching system
10/16/1984US4477900 Digital communications system
10/11/1984WO1984004015A1 A self-routing switching network
10/11/1984WO1984004014A1 A distributed prioritized concentrator
10/11/1984WO1984004011A1 A wideband digital switching network
10/10/1984EP0121410A1 Bus-configured local area network with data exchange capability
10/10/1984EP0121203A1 Method of controlling the set-up and release of call connexion paths in a TDM telephone exchange
10/09/1984US4476559 Simultaneous transmission of voice and data signals over a digital channel
10/03/1984EP0120806A2 Channel selector circuit for digital bitwise interleaved broadband channels
10/03/1984EP0120495A1 Device for coded data exchange between stations
10/03/1984EP0120324A2 Circuit arrangement for an automatic telephone exchange with "hands free" phones facility
10/02/1984US4475189 Automatic interactive conference arrangement
10/02/1984US4475187 Broad band exchange system to minimize crosstalk using threshold value multiplex circuits
10/02/1984US4475011 Arrangement of interactive telephone switching processors providing selective functional capability by port
10/02/1984CA1175536A1 Time division multiplex telecommunication digital switching module
10/02/1984CA1175535A1 Process for switching time-multiplexed signals transmitted on a carrier, including in particular an optical carrier, and a device embodying this process
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