| Patents for H04Q 11 - Selecting arrangements for multiplex systems (43,004) |
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| 04/02/1992 | WO1992005671A1 Communication system, in particular isdn-capable telecommunications private automatic branch exchange |
| 04/02/1992 | WO1992005643A1 Modular digital telephone system with fully distributed local switching and control |
| 04/01/1992 | EP0478126A2 Microprocessor to external device serial bus communication system |
| 04/01/1992 | EP0477627A2 Method for connecting communication terminals in services integrating communication networks |
| 04/01/1992 | EP0477614A2 Digital line unit for connecting subscriber terminals to a digital switching exchange |
| 04/01/1992 | EP0477613A2 Procedure for the consistent selection of events occuring in a communications system |
| 04/01/1992 | EP0477553A2 Apparatus for testing ATM channels |
| 04/01/1992 | EP0477242A1 Data switching nodes. |
| 03/31/1992 | US5101427 Communication apparatus connected to ISDN |
| 03/31/1992 | US5101424 Method for generating a monitor program for monitoring text streams and executing actions when pre-defined patterns, are matched using an English to AWK language translator |
| 03/31/1992 | US5101404 Signalling apparatus for use in an ATM switching system |
| 03/31/1992 | US5101400 Dynamic circuit identifier |
| 03/28/1992 | CA2052428A1 Bridge for linking to an asynchrone transfer telecommunication network a local area network in conformity with ieee 802.3 standard |
| 03/26/1992 | DE4030206A1 Control of connection between TDM link subscriber stations - makes available only logical partial connections with image hardware resource state stored in required software resources |
| 03/25/1992 | WO1992005644A1 Sonet signal generating apparatus and method |
| 03/25/1992 | CA2092291A1 Sonet signal generating apparatus and method |
| 03/24/1992 | US5099475 Switching system |
| 03/24/1992 | US5099474 Digital exchange and its control method |
| 03/24/1992 | US5099347 Fast packet and frequency switch |
| 03/18/1992 | EP0475749A2 ISDN terminal having diagnostic function |
| 03/18/1992 | EP0475663A2 Communication link identifier |
| 03/18/1992 | EP0475350A2 An ISDN D channel congestion control method |
| 03/18/1992 | EP0475276A2 Pulse stuffing system |
| 03/18/1992 | EP0474698A1 Hybrid data communications system. |
| 03/17/1992 | US5097466 Method and circuitry for transmission of communications signals in a broad-band communications network |
| 03/17/1992 | CA1297593C Fault tolerant ancillary messaging and recovery system and method within adigital switch |
| 03/17/1992 | CA1297568C Multiplexer/demultiplexer circuitry for lsi implementation |
| 03/12/1992 | CA2051037A1 Exchange system handling an in-band signal |
| 03/11/1992 | EP0474555A2 Multi-media communication apparatus |
| 03/11/1992 | EP0474283A1 ATM switching network |
| 03/11/1992 | EP0474189A2 ISDN line circuit monitor system |
| 03/11/1992 | CN1059441A Duplex centerless frequency-division multiple access carrier telephone system |
| 03/11/1992 | CN1015860B Interprocessor switching network |
| 03/10/1992 | US5095504 Telephone and telephone system having temporary transfer and hold-release functions |
| 03/10/1992 | US5095497 Technique for achieving the full coding gain of encoded digital signals |
| 03/10/1992 | US5095482 Method of and apparatus of individually monitoring transmission sections of a communications transmission link |
| 03/05/1992 | DE4125075A1 Passive optical telecommunications system - has transmission power for each decentralised device controlled by current burst received from exchange |
| 03/05/1992 | DE4027612A1 Peripheral group for TDM communications system - comprises peripheral module with decentralised control and overload protection |
| 03/05/1992 | DE4025621A1 Secure video digital signal value ATM network transmission - grouping into data matrices with constant line numbers and variable number of packets |
| 03/04/1992 | EP0473116A2 Digital communication device |
| 03/04/1992 | EP0472824A1 Passive optical telecommunication system |
| 03/04/1992 | EP0447485A4 System for cross-connecting high speed digital signals |
| 03/04/1992 | CN1015769B Error correction method in swtich and switch provided with error correction means |
| 03/03/1992 | US5093855 Method for speaker recognition in a telephone switching system |
| 03/03/1992 | US5093829 Communication system network |
| 03/03/1992 | US5093827 Control architecture of a multi-node circuit- and packet-switching system |
| 03/03/1992 | US5093825 Modularly structured digital communications system |
| 03/03/1992 | US5093824 Distributed protocol for improving the survivability of telecommunications trunk networks |
| 03/03/1992 | US5093743 Optical packet switch |
| 03/03/1992 | CA1296795C Circuit for a central control time division multiplex pcm telecommunications system with groups of terminals connected to a switching network |
| 02/26/1992 | EP0471877A1 Digital telephone device |
| 02/26/1992 | EP0471677A1 An information transmission system. |
| 02/25/1992 | US5091904 General signaling service unit of electronic switching system |
| 02/25/1992 | US5091902 Telecommunications transmission security arrangement |
| 02/25/1992 | CA1296413C Digital key telephone system |
| 02/20/1992 | WO1992003023A1 Communication equipment having repeat switching function |
| 02/20/1992 | WO1992002998A1 Dynamic encoding rate control minimizes traffic congestion in a packet network |
| 02/20/1992 | DE4038749C1 Subscriber peripheral circuit for ISDN - has coupling device to connect one of subscriber peripherals to digital network line |
| 02/19/1992 | EP0471344A1 Traffic shaping method and circuit |
| 02/18/1992 | US5089927 Power feed circuit for digital communications terminal equipment |
| 02/12/1992 | EP0470415A2 Call tagging user information in a telephonic environment |
| 02/12/1992 | EP0470283A1 Method and circuit arrangement for determining the quality of virtual circuits going through an ATM switching arrangement |
| 02/12/1992 | EP0094428B1 Control of dna sequence transcription |
| 02/11/1992 | US5088089 Apparatus for programmably accessing and assigning time slots in a time division multiplexed communication system |
| 02/04/1992 | US5086438 Signal generating and receiving apparatuses based on synchronous transfer mode |
| 02/04/1992 | US5086424 Communication terminal connection system |
| 02/04/1992 | US5086349 Optical switching system which employs reference beams with different wavelengths |
| 02/04/1992 | US5086348 System for connecting optical lines to a wideband telecommunications exchange |
| 01/29/1992 | EP0468813A1 Dual-ring ATM communications system |
| 01/29/1992 | EP0468802A2 Broadband switching networks |
| 01/28/1992 | US5084872 Interface for transmit and receive mode access to the synchronous transmission medium of a distributed switching network |
| 01/28/1992 | US5084867 Routing method and routing system for switching system having a plurality of paths |
| 01/28/1992 | CA1295040C Optical switching system |
| 01/23/1992 | DE4023298A1 Establishing data connection via telephone network - forming connections between subscribers in digital telephone network using interface CCITT-X-21 and terminal adaptors |
| 01/22/1992 | EP0467764A1 Optical switching system for frequency multiplexed signals |
| 01/22/1992 | EP0467330A2 Signalling data receiving and processing unit provided in a broadband integrated services digital network |
| 01/22/1992 | EP0466948A1 Communications system with a multi-processor system serving as the central control |
| 01/22/1992 | EP0466696A1 A technique for dynamically changing an isdn connection during a host session |
| 01/21/1992 | US5083269 Buffer device suitable for asynchronous transfer mode communication |
| 01/18/1992 | CA2047120A1 Signaling data receiving and processing unit provided in a broadband integrated services digital network |
| 01/16/1992 | DE4021794A1 TDM communications exchange with coder - supplies partial code words to respective parallel partial coupling fields |
| 01/15/1992 | EP0466590A1 Digital communication system for an integrated services telephone installation |
| 01/15/1992 | EP0466224A1 A method and device for supervising and testing majority voting |
| 01/15/1992 | EP0466078A2 Subscriber connection unit with self routing for a telecommunication network having an intelligent network structure |
| 01/14/1992 | US5081654 Parallel bit detection circuit for detecting frame synchronization information imbedded within a serial bit stream and method for carrying out same |
| 01/14/1992 | US5080504 Optical switching apparatus and method |
| 01/12/1992 | WO1992001345A1 Method for prioritizing, selectively discarding, and multiplexing differing traffic type fast packets |
| 01/11/1992 | WO1992001357A1 A method and a device for supervising and testing majority voting |
| 01/11/1992 | WO1992001347A1 Digital communication system for integrated services telephone installations |
| 01/08/1992 | EP0464839A2 Digitally multiplexed transmission system |
| 01/07/1992 | US5079763 Customer premises network node access protocol |
| 01/07/1992 | US5079761 Circuit arrangement for a centrally-controlled, time-division multiplex telephone switching system having a central switching matrix network and decentralized terminal groups |
| 01/02/1992 | EP0464015A2 Communications protocol for switching systems |
| 01/02/1992 | EP0463968A2 Communication terminal and the method using the same |
| 01/02/1992 | EP0463808A2 Switching of a digital signal to an alternate channel transmitted via a different route |
| 01/02/1992 | EP0463634A2 Wavelength-time-space division switching system |
| 01/02/1992 | EP0463215A1 Communication network for establishing a redundant link |
| 01/02/1992 | DE4020375A1 Mobile radio telephone device - has transmission or reception circuit coupled to processor standardised software interface |
| 12/31/1991 | US5077735 Method and an apparatus for mutually converting different signaling systems |
| 12/31/1991 | US5077734 Electronic exchange apparatus synchronized with digital network |