Patents
Patents for H04Q 3 - Selecting arrangements (38,975)
09/1992
09/24/1992DE4109534A1 Kommunikationsanlage Communication system
09/23/1992EP0505092A2 Switch control methods and apparatus
09/23/1992EP0504860A2 Method of loading down program in remote communication devices via spare lines and communication network using the method
09/23/1992EP0504710A1 Cross-point type switch using common memories
09/23/1992EP0504248A1 Optical fibre communications system.
09/22/1992US5150405 Duplex structure signal transfer point system for common channel signalling system No. 7
09/22/1992US5150355 Relating exchanges
09/22/1992US5150245 Multiprocessor computer with optical data switch
09/22/1992US5150083 Digitally controlled monolithic switch matrix using selectable dual gate FET power dividers and combiners
09/21/1992CA2063519A1 Automatic switching system for performing connection control between a plurarity of sets of subscriber terminals
09/21/1992CA2063471A1 Interface conversion circuit
09/20/1992CA2063317A1 Method of loading down program in remote communication devices via spare lines and communication network using the method
09/19/1992CA2180966A1 Switch control methods and apparatus
09/17/1992WO1992016080A1 Data packet resequencer for a high speed data switch
09/17/1992WO1992016079A2 Communications switching network
09/17/1992WO1992016068A1 Telephone exchange system
09/17/1992WO1992016066A1 Method and apparatus for routing cell messages using delay
09/17/1992WO1992015906A1 Apparatus and method for programmable optical interconnections
09/17/1992DE4108088A1 Telephone exchange interconnection system using signalling protocol(s) from subscribers appts. - coordinated by super-signalling for dynamic acceptance of links between subscribers and PABX
09/16/1992EP0504082A1 Arrangement for triggering multiple timers
09/16/1992EP0503849A2 Photonic cross-connect switch
09/16/1992EP0503560A2 Switch coupled between input and output ports in communication system
09/16/1992EP0503528A2 Subscriber line interface circuit for ISDN and POTS applications, including echo canal cirenitry
09/16/1992EP0503464A2 Optical switching apparatus and switching module for the same
09/16/1992EP0503284A1 A three-stage, at least duplicated ATM-self-routing coupling arrangement
09/16/1992EP0503283A1 A two-stage, at least duplicated, folded ATM-self-routing arrangement with (2nx2n)-coupling multiples
09/16/1992EP0503059A1 Wide area audio response network
09/16/1992EP0340225B1 Switching networks
09/16/1992CN1018324B Time division switch
09/15/1992US5148474 Interactive value-added telecommunications system and method
09/09/1992EP0502104A1 Remote access telephone control system
09/09/1992EP0229177B1 Optical shuffle arrangement
09/08/1992US5146514 Efficient single-hop directional multichannel system
09/08/1992US5146491 Telephone billing method
09/08/1992US5146452 Method and apparatus for rapidly restoring a communication network
09/08/1992CA1307350C Method and apparatus for automatic loading of a data set in a node of a communication network
09/08/1992CA1307315C Telephone protection circuit
09/03/1992WO1992015166A1 Integrated application controlled call processing and messaging system
09/03/1992WO1992015056A1 Method and apparatus for controlling access to a communication system
09/02/1992EP0501697A2 Mediation of transactions by a communications system
09/02/1992EP0501647A2 Network control arrangement
09/02/1992EP0501646A2 Embedded control network
09/02/1992EP0501513A2 A call distributing service system for a plurality of terminals
09/02/1992EP0501446A2 Multiple access communication system capable of deciding a connection route among a central station, repeater stations, and terminal stations
09/02/1992EP0501189A2 System for integrating telephony data with data processing systems
09/01/1992US5144619 Common memory switch for routing data signals comprising ATM and STM cells
09/01/1992US5144465 Switched optical network
09/01/1992CA1307063C Anonymous interactive telephone system with expanded outward calling features
08/1992
08/26/1992EP0500119A1 CVD diamond coated cutting tools and method of manufacture
08/25/1992US5142570 Routing of network traffic using discrete traffic measurement data
08/25/1992US5142531 Data communications network
08/25/1992CA1306788C More efficient call handling for operator assistance calls
08/20/1992WO1992014320A1 Packet switching communications system
08/20/1992CA2079340A1 Packet switching communications system
08/19/1992EP0499255A2 Optical switching system for optical wavelength-division and time-division multiplexed signals
08/19/1992EP0498967A1 Bandwidth allocation for permanent virtual connections
08/18/1992US5140590 Telephone or data switching system with variable protocol inter-office communication
08/12/1992EP0498594A2 Telephone connection to a nearby dealer
08/12/1992EP0498593A2 Call forwarding system
08/12/1992CN1063571A Memory card and switching system suitable for using same
08/11/1992US5138658 Subscriber line interface circuit providing regulated current
08/11/1992US5138614 Transformation method for network conference connections
08/09/1992CA2055170A1 Call forwarding system
08/05/1992EP0497670A1 Optical concentrator
08/05/1992EP0497669A1 Optical satellite exchange
08/05/1992EP0497668A1 An optical time multiplexer and an optical time demultiplexer
08/05/1992EP0497667A1 Optical switch matrix
08/05/1992EP0497490A2 Automatically configuring wireless PBX system
08/05/1992EP0496927A1 Procedure for restarting the multiprocessor computer of a telecommunications switching system after a failure
08/05/1992EP0349623B1 Active communication network
08/04/1992US5136707 Reliable database administration arrangement
08/04/1992US5136690 Dynamic graphical analysis of network data
08/04/1992US5136636 Telephone connection to a nearby dealer
08/04/1992US5136633 International authorization system
08/04/1992US5136581 Arrangement for reserving and allocating a plurality of competing demands for an ordered bus communication network
08/04/1992US5136579 Digital communications network with unlimited channel expandability
07/1992
07/30/1992DE4101885A1 Computer-supported telecommunication system - has external computing interface which is available for special services or alarm functions as distinct from e.g. ordinary telephonic communications
07/30/1992CA2060116A1 Optoelectronic switching matrix
07/30/1992CA2060115A1 Optoelectronic satellite centre
07/30/1992CA2060114A1 Optoelectronic time division multiplexer and optoelectric time division demultiplexer
07/30/1992CA2060112A1 Optoelectronic concentrator
07/29/1992EP0496061A2 Real-time decentralized network traffic management using a parallel algorithm
07/29/1992EP0484330A4 Digital added main line system
07/28/1992US5134704 Fault tolerant, collateral message and recovery system within a telephone distributed processing system having message switching modules for transmission link
07/28/1992US5134508 Optical high-speed parallel backplane
07/28/1992CA1305773C Multi-service telephone switching system
07/28/1992CA1305619C N by n type optical diffuser
07/22/1992EP0495252A1 Memory card and switching system suitable for using the same
07/22/1992EP0353292B1 Current summed optoelectronic crossbar switch
07/21/1992US5133006 Combination interface circuit for coupling a digital loop carrier telephone system
07/21/1992US5133004 Digital computer platform for supporting telephone network applications
07/21/1992US5132965 Nonblocking parallel banyan network
07/19/1992CA2034588A1 Telecommunications system and routing method
07/15/1992EP0494530A2 System for accessing amenities through a public telephone network
07/15/1992EP0494513A2 Telecommunications network restoration architecture
07/15/1992CA2059237A1 Memory card and switching system suitable for using the same
07/14/1992US5131041 Fault tolerant interconnection networks
07/14/1992US5131020 Method of and system for providing continually updated traffic or other information to telephonically and other communications-linked customers
07/14/1992US5130982 Fully shared communications network
07/14/1992US5130978 Method of managing traffic flows in a wideband integrated services digital network, and a network for implementing the method