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