Patents for H04Q 11 - Selecting arrangements for multiplex systems (43,004) |
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02/17/1993 | EP0527260A1 Interface unit for supporting the communication between processor systems |
02/16/1993 | US5187710 Method and apparatus for the billing of value-added communications calls |
02/16/1993 | US5187707 Packet data flow control for an isdn D-channel |
02/16/1993 | US5187706 Dual access rings for communications networks |
02/16/1993 | US5187705 Data error detecting apparatus for key telephone system and the detecting method therefor |
02/16/1993 | US5187591 System for transmitting and receiving aural information and modulated data |
02/16/1993 | CA1313717C D channel monitor |
02/10/1993 | EP0527006A2 An optical switching system |
02/10/1993 | EP0526990A2 Module comprising in an ATM exchange connection ports, each transmitting a cell indicative of a destination module in a cell header |
02/10/1993 | EP0526690A2 Synchronous node controllers for switching network |
02/09/1993 | WO1993003568A1 Method of communication |
02/09/1993 | US5185781 Automation of telephone operator assistance calls |
02/09/1993 | US5185742 Transparent signaling for remote terminals |
02/09/1993 | US5185741 Inter-network connecting system |
02/09/1993 | US5185738 Fiberoptic telephone systems |
02/09/1993 | US5185736 Synchronous optical transmission system |
02/04/1993 | WO1993002514A2 Apparatus for high speed data transfer |
02/04/1993 | WO1993002513A1 Basic rate interface |
02/04/1993 | WO1993002511A1 Modular, user programmable telecommunications system with distributed processing |
02/04/1993 | DE4125362A1 Coupler between analog signal communications appts. and subscriber terminal digital transceiver - has adaptor incorporated in connecting line, contg. call switch and multifrequency selector |
02/03/1993 | EP0526106A2 Integrated wireless telecommunication and local area network system |
02/03/1993 | EP0526104A2 Arrangement for controlling shared-buffer-memory overflow in a multi-priority environment |
02/03/1993 | EP0525632A2 Accounting system and method for ATM network and ATM network |
02/03/1993 | EP0525432A2 Method of changing system configuration data in a telecommunications exchange system |
02/03/1993 | EP0525121A1 Distributed protocol for improving the survivability of telecommunications trunk networks |
02/03/1993 | EP0524965A1 Private telephone system with simplified command feature. |
02/02/1993 | US5184350 Telephone communication system having an enhanced timing circuit |
02/02/1993 | US5184348 Isdn multiprotocol communications controller |
02/02/1993 | US5184347 Adaptive synchronization arrangement |
02/02/1993 | US5184345 Enhanced isdn 800 service |
02/02/1993 | CA1313430C Photonic switch architecture utilizing code and wavelength multiplexing |
02/02/1993 | CA1313319C Optical switching system |
01/28/1993 | DE4124761A1 Card-type control device for data-processing or transmission - feeds received data to buffer memory, supplies in parallel form to processor for real=time processing |
01/27/1993 | EP0524891A1 Facsimile apparatus functioning in one or another of several modes |
01/27/1993 | EP0524669A2 Digital communication system with programming information by way of the B channel |
01/27/1993 | EP0524623A2 Video telephone |
01/27/1993 | EP0524467A2 Band management system in communication |
01/27/1993 | EP0524350A1 Telecommunication system for transmitting cells through switching nodes interconnected by groups of transmission links |
01/27/1993 | EP0524316A1 Connectionless communication system |
01/26/1993 | US5182753 Method of transmitting signaling messages in a mobile radio communication system |
01/26/1993 | US5182751 Switching system using identical switching nodes |
01/26/1993 | US5182750 Transparent remoting of switching network control over a standard interface link |
01/21/1993 | WO1993001670A1 Device and method for implementing queueing disciplines at high sspeeds |
01/21/1993 | DE4124118A1 Communications network with local exchange connected to integrated services digital network - has multiplexer between analogue subscribers and two-wire terminal coupled to digital exchange |
01/21/1993 | CA2112361A1 Device and method for implementing queueing disciplines at high speeds |
01/20/1993 | EP0523874A2 Method for operating an asynchronous packet bus for transmission of asynchronous and isochronous information |
01/20/1993 | EP0523629A1 Multipoint teleconference system employing H. 221 frames |
01/20/1993 | EP0523626A1 Multipoint teleconference system employing communication channels set in ring configuration |
01/20/1993 | EP0523618A2 Picture codec and teleconference terminal equipment |
01/19/1993 | US5181239 Call tagging user information in a telephonic environment |
01/19/1993 | US5181237 Automation of telephone operator assistance calls |
01/19/1993 | US5181199 Packet switching system |
01/13/1993 | EP0522895A1 Communication control apparatus |
01/13/1993 | EP0522775A2 Adaptive synchronization arrangement |
01/13/1993 | EP0522774A2 Adaptive synchronization arrangement |
01/13/1993 | EP0522773A2 Mobile-telephone system call processing arrangement |
01/13/1993 | EP0522772A2 Wireless access telephone-to-telephone network interface architecture |
01/13/1993 | EP0522748A2 SDH data transmission timing |
01/13/1993 | EP0522725A2 Voice messaging system with voice activated prompt interrupt |
01/13/1993 | EP0522694A2 Protocol analyzer interface |
01/13/1993 | EP0522607A1 A method and an arrangement for synchronizing two or more communication networks of the time multiplex type |
01/13/1993 | EP0522430A2 System for detecting failure in dual bus user network |
01/13/1993 | EP0522391A2 Resource reallocation for flow-enforced user traffic |
01/13/1993 | EP0522318A2 Switching modules for digital signals in asynchronous and synchronous transferring mode |
01/13/1993 | EP0522193A1 Digital switching network |
01/13/1993 | EP0521943A1 Optical component |
01/13/1993 | EP0307401B1 Method and apparatus for providing variable reliability in a telecommunication switching system |
01/12/1993 | US5179587 Digital telecommunications exchange system |
01/12/1993 | US5179556 Bandwidth management and congestion control scheme for multicast ATM networks |
01/12/1993 | US5179552 Crosspoint matrix switching element for a packet switch |
01/12/1993 | US5179548 Self-healing bidirectional logical-ring network using crossconnects |
01/12/1993 | CA1312682C Frame synchronization in a network of time multiplexed optical space switches |
01/11/1993 | CA2073114A1 Sdh data transmission timing |
01/09/1993 | CA2073269A1 Module comprising in an atm exchange connection ports, each transmitting a cell indicative of a destination module in a cell header |
01/07/1993 | WO1993000776A1 Application modularity in telecommunications exchanges |
01/07/1993 | WO1993000775A1 Stored program controlled digital public exchange |
01/07/1993 | WO1993000756A1 Self-healing bidirectional logical-ring network using crossconnects |
01/07/1993 | WO1992021216A3 Device for connecting a computer into a telecommunications network, and a procedure for adapting the bit rate in this device |
01/07/1993 | EP0521529A2 An image encoding and transmitting system |
01/07/1993 | EP0521301A2 Flexible interface system for interfacing different complements of port circuits to a PCM telephony switching system |
01/07/1993 | DE4122276A1 Digital communication system allowing time division multiplexing - sends fault alarm via all other exchange-interconnecting cables if cable fails from first exchange drawing clock signal from this cable |
01/06/1993 | CN1067774A Method for performing continuity check in electronic exchange system |
01/05/1993 | US5177738 Process and a monolithically integrated device for speed adaptation for integrated services digital network (isdn) |
01/05/1993 | US5177737 Multipurpose bus system |
01/05/1993 | US5177735 Private telephone installation architecture |
01/05/1993 | CA1312386C Multi-access device |
01/05/1993 | CA1312366C Automatic call distribution (acd) switching system having distributed processing capability |
12/30/1992 | EP0520494A2 System for transmitting data using wavelength division multiplexing |
12/30/1992 | EP0520079A1 Universal subscriber line connection unit for a digital switching exchange |
12/30/1992 | EP0519954A1 Digital data transmission system. |
12/30/1992 | CN1067538A Distributed exchange type relay communication network system |
12/30/1992 | CN1019725B Statistical measurement equipment and telecommunication system using same |
12/29/1992 | US5175777 Optical switching matrix including plural wavelength converting devices |
12/29/1992 | US5175764 Enhanced high voltage line interface circuit |
12/29/1992 | US5175728 Flexible interface system for interfacing different complements of port circuits for a pcm telephony switching system |
12/29/1992 | US5175640 Interleaved receivers |
12/29/1992 | CA1312132C Telephone exchange including service feature apparatus |
12/29/1992 | CA1312131C Electronic telephone apparatus able to supply sync clock signals reliably, and method of controlling the supply of sync clock signals |
12/25/1992 | CA2072171A1 Clock recovery system capable of automatically switching a direction of a clock pulse sequence from one to another |
12/24/1992 | DE4218053A1 ATM transmission e.g. for speech - transmitting narrow band service data bytes which are combined in single signal cell in signal cell exchange system |