H04Q 11 - Selecting arrangements for multiplex systems

Patents for H04Q 11 - Selecting arrangements for multiplex systems (43,004)
06/1988
06/21/1988	CA1238403A1 Synchronous packet voice/data communication system
06/21/1988	CA1238402A1 Digital switching network for switching signals of different bit rates
06/15/1988	EP0161300B1 Multimode data communication system
06/15/1988	CN85107302B Apparatus for establishing communication paths
06/14/1988	US4751698 Serial link adapter for a communication controller
06/14/1988	US4751697 Distributed packet switching sytem
06/14/1988	US4751696 For transmitting data and voice signals
06/14/1988	CA1238129A1 Subscriber line signalling device for use in a telecommunications system
06/08/1988	EP0269803A2 Circuit arrangement for switching PCM channels
06/07/1988	US4750171 Data switching system and method
06/07/1988	US4750169 Telephone system and method for transmitting digital information
06/07/1988	CA1237805A1 Telephone switching system adjunct call processing arrangement
06/07/1988	CA1237804A1 Trunk call processing services for host computers interconnections
06/07/1988	CA1237801A1 Digital exchange system
06/02/1988	WO1988004123A1 Digital telephone switching exchange, particularly for private systems (pabx)
06/01/1988	EP0269158A1 Digital telephone switching exchange, particularly for private systems (PABX)
06/01/1988	EP0124590B1 Duplicated network arrays and control facilities for packet switching
06/01/1988	EP0086223B1 A local area communication network
05/1988
05/31/1988	US4748689 Fiber-optic distribution system for broadband signals
05/31/1988	US4748656 Personal computer--as an interface between a telephone station set and a business communication system
05/31/1988	US4748653 Toll fraud control override
05/31/1988	US4748637 Digital subscriber loop termination device
05/31/1988	US4748615 Digital TDM switching exchange wherein switching is effected by the read/write sequences of data stores
05/31/1988	EP0138949A4 A wideband digital switching network.
05/31/1988	CA1237502A1 Communications system with protection switching and channel identities
05/26/1988	EP0138950A4 A distributed prioritized concentrator.
05/25/1988	EP0268231A2 Line condition data collecting system for a telephone exchange
05/24/1988	US4747130 Resource allocation in distributed control systems
05/24/1988	US4747094 Signal coupling system for optical repeater system
05/24/1988	CA1237201A1 Database backup method
05/24/1988	CA1237188A1 Time division switching system control arrangement and method
05/24/1988	CA1237186A1 Digital timeslot and signaling bus in a digital pbx switch
05/24/1988	CA1237185A1 Integrated packet switching and circuit switching system
05/19/1988	WO1988003738A1 Method and digital switching networks for fault supervision
05/19/1988	WO1988003737A1 ''convertible'' switched telephone exchange
05/18/1988	CN87107630A Convertible switched telephone exchange
05/18/1988	CN87106044A Security arrangement for telecommunications exchange system
05/17/1988	US4745592 Coherent photonic telecommunications system
05/11/1988	EP0266870A2 Local area network with a common carrier signal
05/11/1988	EP0266530A2 A method of controlling a multi-stage interconnection network
05/11/1988	EP0266416A1 Apparatus and method for tdm data switching
05/11/1988	CN87105157A Pabx-networking
05/11/1988	CN87104566A Circuit arrangement for central control time-division multiplex communication equipment, particutarly pcm telephone exchange equipment with coupling field connected contact group
05/05/1988	DE3637097A1 Optical broadband communications system, in particular in the local loop
05/04/1988	EP0265918A2 Optical broad band communication transmission system, especially in the subscriber access area
05/04/1988	EP0265837A2 Circuit arrangement, its application and testing method for a message communication network
04/1988
04/27/1988	EP0264890A2 Circuit arrangement for a communication installation, in particular a private branch exchange with interface modules
04/26/1988	US4741026 Message signaling arrangement between a switching system and user terminals
04/26/1988	US4740961 Frame checking arrangement for duplex time multiplexed reframing circuitry
04/26/1988	US4740960 Synchronization arrangement for time multiplexed data scanning circuitry
04/26/1988	US4740955 Communications system having voice and digital data capability and employing a plurality of voice and data buses in main service unit and serial packetized transmission to and from telephones
04/26/1988	US4740953 Time division speech path switch
04/26/1988	CA1235828A1 Time division exchange for carrying out a loop-back test
04/20/1988	EP0264119A2 An optical wavelength-division switching system
04/19/1988	US4739509 Automated message chronicling system
04/14/1988	DE3634863A1 Circuit arrangement for a centrally controlled telecommunication switching system, particularly a PCM telephone switching system, comprising a central section and line trunk groups connected thereto
04/13/1988	EP0263563A2 Time division multiplex exchange
04/13/1988	EP0263418A2 Cross-connection network using time switch
04/12/1988	US4737954 Subscriber line signalling device for use in a telecommunications system
04/12/1988	US4737951 Exchange with error correction
04/12/1988	US4737950 Multifunction bus to user device interface circuit
04/12/1988	CA1235236A1 Digital line termination unit command interface
04/06/1988	EP0262474A1 Operation method of interface circuits between a central part and decentralized parts of a subscriber connection module of a digital TDM telecommunication network
04/06/1988	EP0262409A2 An optical bus type communication system
04/06/1988	CN87106651A 计算机系统 Computer Systems
04/05/1988	US4736462 Photonic switching
04/05/1988	US4736409 Control data transmission system for private branch exchange
04/05/1988	US4736393 Distributed timing control for a distributed digital communication system
04/05/1988	US4736364 Switching system control arrangements
04/05/1988	US4736362 Programmable data-routing multiplexer
04/05/1988	US4736361 Digital switching system with two-directional addressing rams
03/1988
03/30/1988	EP0261947A1 Computer system
03/30/1988	EP0261790A2 Integrated switching system and announcement circuit
03/30/1988	EP0161253B1 Interface channel unit
03/30/1988	CN87104185A Method of and switch for switching information
03/29/1988	US4734935 Communication system with remotely controllable signal receiving means
03/29/1988	US4734931 In a business communication system
03/29/1988	US4734907 Broadcast packet switching network
03/29/1988	CA1234643A1 Digital switch module
03/29/1988	CA1234615A1 Telecommunications systems with user programmable features
03/24/1988	WO1988000786A3 Security arrangement for a telecommunications exchange system
03/23/1988	EP0260676A2 Switching system
03/23/1988	EP0260364A2 Broadcast packet switching network
03/22/1988	US4733390 Data transmission system
03/22/1988	US4733219 Converter circuit
03/17/1988	DE3631437A1 Method for initiating the transmission of digital information signals
03/15/1988	US4731878 Self-routing switch node combining electronic and photonic switching
03/15/1988	US4731785 Combined circuit switch and packet switching system
03/15/1988	US4731782 Digital local switching system for integrated service digital network
03/15/1988	CA1234207A1 Multiple paths in a self-routing packet and circuit switching network
03/10/1988	WO1988001809A1 Adaptive threshold sampling controller
03/10/1988	DE3630529A1 Subscriber line for terminals in an integrated-service digital communications network
03/09/1988	EP0259119A2 Control information communication arrangement for a distributed control switching system
03/09/1988	EP0259118A2 Packet switch
03/09/1988	EP0259117A2 Distributed packet switching system
03/09/1988	EP0259053A2 Variable data compression announcement circuit
03/09/1988	EP0258643A2 Method for a processor-controlled switching system, especially a private telephone exchange system, connected to a processor
03/09/1988	EP0258514A1 Optimized bandwidth allocation apparatus between circuit slots and packet bit stream in a communication network
03/08/1988	US4730313 Access circuit diagnostics for integrated services digital network
03/08/1988	US4730311 Remote multiplexer for digital telephone system

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