Patents for H04Q 3 - Selecting arrangements (38,975) |
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12/09/1992 | EP0517315A1 Optical reflective star coupler device |
12/09/1992 | EP0517268A2 Method for load distribution in communication systems |
12/09/1992 | EP0517037A2 Serially connectable network configuration module |
12/09/1992 | CN1066948A Communication switching system |
12/08/1992 | US5170273 Wavelength-division switching system for optical frequency-shift keying signals |
12/08/1992 | US5170160 Broadband tree switch architecture for reducing pulse width narrowing and power dissipation |
12/08/1992 | CA1311286C Digital key telephone system |
12/02/1992 | EP0515980A2 Space-time switching stage |
12/02/1992 | EP0515967A2 Application program interface |
12/02/1992 | EP0349597B1 Improvements in electro optical switch architectures |
12/01/1992 | US5168535 Integrated optic switch |
12/01/1992 | US5168517 Apparatus and methods for selectively forwarding telephone calls |
11/26/1992 | WO1992019057A3 Method and apparatus for managing and facilitating communicationsin a distributed heterogeneous network |
11/26/1992 | WO1992017986A3 Switching arrangement for public switched telephone and public radio mobile networks |
11/26/1992 | WO1991004642A3 Serial array time-slot interchangers |
11/25/1992 | EP0515296A1 Process and apparatus for managing network event counters |
11/25/1992 | EP0515102A2 Automatic loss control circuit in a digital loop transmission system |
11/25/1992 | EP0515057A2 Semiconductor integrated device for echo cancelling |
11/24/1992 | US5166972 Group emergency call system |
11/24/1992 | US5166894 Method and apparatus for cell loss rate estimation, call admission control, and buffer/link capacity designing in integrated network |
11/24/1992 | CA2033880C Billing system for telephone signaling network |
11/24/1992 | CA1310732C Routing of network traffic |
11/24/1992 | CA1310731C Exchange system having originating call restriction function |
11/24/1992 | CA1310730C Electronic switching system having call-forwarding function |
11/24/1992 | CA1310727C Communication network system and method of controlling a communication network |
11/24/1992 | CA1310726C Adaptive routing of network traffic |
11/24/1992 | CA1310528C Optical space switch |
11/19/1992 | EP0513101A1 Telecommunications line test system |
11/17/1992 | US5165092 Method of processing the signalling information within configurable multiplexers |
11/17/1992 | US5165080 Optical distributor |
11/11/1992 | WO1992021190A1 Fault detection and isolation of fiber to the curb systems |
11/11/1992 | EP0512704A2 Emergency call station identification system and method |
11/11/1992 | EP0512143A1 Control arrangement for a broad band switching system |
11/11/1992 | EP0512141A1 Procedure for switching high bit rate ATM data cell streams through a switching device with a lower bit rate |
11/11/1992 | CA2108179A1 Fault detection and isolation of fiber to the curb systems |
11/10/1992 | US5163087 Delivery of customer data base key using automatic number identification |
11/10/1992 | US5163042 Exchange route decision system and method |
11/10/1992 | US5162944 Optical space switch and network for such optical space switches |
11/05/1992 | DE4212102A1 Computergestuetztes fernsprechanwendungssystem Computergestuetztes automatic telephone application system |
11/04/1992 | EP0511831A2 Multiple integration apparatus |
11/04/1992 | EP0511671A2 System for monitoring ATM cross-connecting apparatus by inside-apparatus monitoring cell |
11/04/1992 | EP0511497A2 Secure communication network |
11/04/1992 | EP0203165B1 Queueing protocol |
11/03/1992 | US5161181 Automatic number identification blocking system |
11/03/1992 | US5161180 Call interceptor for emergency systems |
11/03/1992 | CA1309785C Line interface unit |
10/31/1992 | CA2067315A1 Multiple integrations unit |
10/29/1992 | WO1992019060A1 Low delay or low loss cell switch for atm |
10/29/1992 | DE4113644A1 Operator guidance in telecommunication systems with distributed control - enables user to decide presentation of information at terminal without recourse to any additional operating procedures |
10/29/1992 | DE4113359A1 Program-controlled call-storing PBX - employs high-level data link control with call memory contg. DRAM chips and error correction circuits |
10/28/1992 | EP0511094A2 Telephone exchange apparatus |
10/28/1992 | EP0510861A2 Method of rerouting telecommunications traffic |
10/28/1992 | EP0510411A2 Method and apparatus for handling incoming telephone calls |
10/28/1992 | EP0510222A1 Method for overload defence in an exchange of a communication network |
10/28/1992 | CN1018882B Asychronous optical communication system |
10/27/1992 | US5159594 Transparent communication of control information through a switching network |
10/27/1992 | US5159591 Packet communication method, packet communication device and packet switcher |
10/27/1992 | US5159590 Multi-slot call relocation control method and system |
10/27/1992 | US5159473 Apparatus and method for programmable optical interconnections |
10/27/1992 | US5159330 Broadband signal switching equipment constructed in accordance with field-effect transistor technology |
10/22/1992 | DE4112932A1 Optical waveguide ranking, coupling and switching system - incorporates matrix crosspoint couplers rotated or shifted into and out of optical paths between light guide ends |
10/22/1992 | DE4112514A1 Async. TDM transmission system with two switch matrices - distributes cells of information in output matrix to reduce load on coupling blocks of main matrix |
10/21/1992 | EP0509765A1 Radial bus assembly |
10/21/1992 | EP0509705A2 Processing interactions among telecommunications call features |
10/21/1992 | EP0509126A1 Message routing method towards target addresses in a multi-stage network through routing elements |
10/21/1992 | EP0398987A4 Mmunications network state and topology monitor |
10/20/1992 | US5157390 Method for providing network service in a communication system |
10/20/1992 | CA2063050A1 Parallel processing system |
10/20/1992 | CA1308945C Optical matrix switch |
10/15/1992 | WO1992017986A2 Switching arrangement for public switched telephone and public radio mobile networks |
10/14/1992 | EP0508811A2 Double buffer type elastic store comprising a pair of data memory blocks |
10/14/1992 | EP0508378A2 Method and system for monitoring packet rate in packet network |
10/14/1992 | CN1018694B Call traffic control |
10/13/1992 | US5155837 For replacing software |
10/13/1992 | US5155779 Optical circulating shift register |
10/13/1992 | US5155763 Look ahead method and apparatus for predictive dialing using a neural network |
10/13/1992 | US5155761 Automatic call back system and method of operation |
10/13/1992 | US5155760 Voice messaging system with voice activated prompt interrupt |
10/13/1992 | US5155728 Time division speech path apparatus |
10/13/1992 | CA1308825C Terminal repeater having a function for repeating dc loop signal |
10/12/1992 | WO1992019057A2 Method and apparatus for managing and facilitating communicationsin a distributed heterogeneous network |
10/12/1992 | CA2108126A1 Method and apparatus for managing and facilitating communications in a distributed heterogeneous network |
10/11/1992 | CA2065470A1 Method of and system for monitoring packet rate in packet network |
10/09/1992 | CA2065515A1 Trade name telephone dialing system |
10/07/1992 | EP0507505A2 Network signalling arrangement for controlling tandem network functions |
10/07/1992 | EP0507457A1 System and method for controlling a multi-point matrix switch |
10/07/1992 | EP0506951A1 Call interceptor |
10/07/1992 | EP0364440B1 Switching network |
10/06/1992 | US5153908 Automatic redial in a key telephone system having different line types |
10/06/1992 | US5153907 Telephone system gateway interface |
10/06/1992 | US5153843 Layout of large multistage interconnection networks technical field |
10/06/1992 | US5153757 Network control arrangement |
10/06/1992 | US5153578 Apparatus and method for establishing identical data in dual atm switches |
10/01/1992 | WO1992017037A1 Communications installation |
10/01/1992 | WO1992017013A1 Digital communication system with transmission servers |
09/30/1992 | EP0506136A2 Broadcast/switching apparatus for executing broadcast/multi-cast transfers over unbuffered asynchronous switching networks |
09/30/1992 | EP0505695A2 All-node switch - an unclocked, unbuffered, asynchronous, switching apparatus |
09/29/1992 | US5151934 Key telephone apparatus |
09/29/1992 | US5151930 Method for personal paging a telephone private branch exchange with the assistance of a personal paging device that offers mutually different operating modes for personal paging |
09/28/1992 | CA2039223A1 Method and apparatus for identifying valid cells in a redundant path combining unit of an asynchronous transfer mode switch |