| Patents for H04Q 1 - Details of selecting apparatus or arrangements (11,745) |
|---|
| 11/03/1993 | CN1022663C Function unit |
| 10/28/1993 | WO1993021738A1 Assembly for a distributor rack in a telecommunications network |
| 10/27/1993 | EP0567143A1 Optical matrix switch |
| 10/27/1993 | EP0566928A2 Tone detection method for telephone subset |
| 10/26/1993 | US5257309 Dual tone multifrequency signal detection and identification methods and apparatus |
| 10/20/1993 | EP0557297A4 Method and apparatus for modulating and dectecting a subcarrier signal for an inductively coupled transponder |
| 10/19/1993 | US5255310 Method of approximately matching an input character string with a key word and vocally outputting data |
| 10/19/1993 | US5255161 Wire guide element for a distributor unit in telecommunication systems |
| 10/14/1993 | WO1993020661A1 Maintaining and updating cable records |
| 10/14/1993 | WO1993020600A1 Miniature coax jack module |
| 10/13/1993 | CN2143853Y Automatic alarm fully auto-set safety unit |
| 10/06/1993 | EP0564192A2 Network based outbound call management |
| 10/06/1993 | EP0563996A2 Connector module for telephone line junction box and method of protecting a circuit |
| 10/06/1993 | EP0563677A1 Subscriber circuit tester |
| 10/05/1993 | US5251256 Independent hysteresis apparatus for tone detection |
| 10/04/1993 | CA2091142A1 Connector module for telephone line junction box and method of protecting a circuit |
| 09/21/1993 | US5247574 Adaptive no balance DX signalling circuit |
| 09/21/1993 | US5246383 Gel filled electrical connector |
| 09/21/1993 | US5246378 Coaxial jack assembly |
| 09/16/1993 | WO1993018621A1 Telephone splitter element, particularly a terminal strip |
| 09/16/1993 | DE4208097A1 Telecommunication network switching station arrangement - ensures that fixing screw for circuit board cannot be withdrawn while end of optical cable is plugged correctly into socket |
| 09/16/1993 | DE4207948A1 Telecommunication appts. with completely covered circuit boards - has polycarbonate cover extending over entire width as far as exchange line and terminal contact connections and mains cable connector |
| 09/16/1993 | CA2130555A1 Telephone splitter element, particularly a terminal strip |
| 09/15/1993 | EP0560111A2 Internodal transfer in multinode voice messaging systems |
| 09/08/1993 | EP0559559A1 Telephone distributing element, in particular terminal block |
| 09/08/1993 | EP0559315A2 Telecommunications service provision equipment transfer |
| 09/07/1993 | US5243499 Distributor unit for attaching and connecting electrical lines in telecommunication systems |
| 09/01/1993 | EP0557297A1 Method and apparatus for modulating and dectecting a subcarrier signal for an inductively coupled transponder |
| 08/31/1993 | US5241591 Telephone system having a dial data changeover switch |
| 08/31/1993 | US5241579 Status management method of a signalling service device in an electric switching system |
| 08/25/1993 | EP0556979A2 Junction enclosure |
| 08/24/1993 | US5239128 Field encapsulatable splice cabinet |
| 08/24/1993 | US5238426 Universal patch panel for communications use in buildings |
| 08/11/1993 | CN1075233A Connection and branching sleeve for telecommunications cables, coaxial cables or glass fibre cables |
| 08/10/1993 | US5235638 Telephone network interface |
| 08/10/1993 | US5235133 Housing |
| 08/03/1993 | US5233501 Digital telecommunication network cross-connect module having a printed circuit board connected to jack switches |
| 07/27/1993 | US5231669 Low bit rate voice coding method and device |
| 07/13/1993 | US5227581 Housing providing protection against electromagnetic interference for an electrical connection device |
| 07/08/1993 | WO1993013580A1 Connection and branching sleeve for telecommunications cables, coaxial cables or glass fibre cables |
| 07/07/1993 | EP0550327A1 Support and guiding means for cables transmitting electrical or light signals |
| 07/07/1993 | EP0550144A1 Method and apparatus for detection of a control signal in a communication system |
| 07/06/1993 | US5224881 Connection strip having semi-integrated protectors |
| 06/30/1993 | EP0549517A1 Level determining circuit for a predetermined frequency of an audio frequency signal |
| 06/30/1993 | EP0548438A1 A method for detecting dual tone multi-frequency signals and device for implementing said method |
| 06/29/1993 | US5224012 Solid state station protectors |
| 06/29/1993 | US5222908 Bridge assembly |
| 06/24/1993 | DE4142586A1 Verbindungs- und abzweigmuffe fuer fernmeldekabel, koaxialkabel oder glasfaserkabel Connecting and branching sleeve for telecommunication cables, coaxial or fiber optic cables |
| 06/23/1993 | EP0547373A1 A circuit and method for dual-tone multifrequency detection |
| 06/23/1993 | EP0547067A1 Alarm and test system for a digital main line. |
| 06/23/1993 | CN1073552A Telecommunications terminal block |
| 06/22/1993 | US5222131 Telephone protector including removable fuse holder |
| 06/22/1993 | US5222129 Telephone charging signalling detector suitable for central office line interface circuits |
| 06/22/1993 | US5221218 Edge-card connector |
| 06/17/1993 | DE4234403A1 Distribution rack for electronic communications equipment - has base and top frames separated by vertical struts which hold cross-pieces for vertical mounting rails |
| 06/17/1993 | DE4234386A1 Spacer for wiring distribution rack - has extruded right-angled triangular section with equal sides and projections on sides and corners for other fitments |
| 06/16/1993 | EP0546173A1 Tone receiver comprising a switch capacitor zero crossing detector. |
| 06/15/1993 | US5220600 High-density cross-connect bay |
| 06/15/1993 | US5220560 Modem pool system based on a packet communication procedure |
| 06/10/1993 | WO1993011586A1 Gel filled electrical connector |
| 06/08/1993 | US5218636 Dial pulse digit detector |
| 06/08/1993 | US5218635 Low-frequency alternating current signal detector, in particular for central office line interface circuits |
| 05/26/1993 | EP0543490A1 Apparatus for adaptively tuning to a received periodic signal |
| 05/26/1993 | EP0543173A1 Device for connecting and branching installation cables, particularly distributor, connecting box or distribution box for telecommunication cables |
| 05/25/1993 | US5214693 Multi-frequency signal receiver and a method of detecting the multi-frequency signal |
| 05/25/1993 | US5214692 Bypass for telephone switching system |
| 05/25/1993 | US5214673 Digital cross connect assembly |
| 05/19/1993 | CN2134015Y Distribution frame for telecommunications |
| 05/13/1993 | WO1993009612A1 Alarm and test system with improved coupling circuit for a digital added main line |
| 05/11/1993 | CA1317665C Environmentally protected housing for using central office protector modules outdoors |
| 05/08/1993 | WO1993015580A1 Circuit for detecting object signal from input signal |
| 05/05/1993 | EP0540219A2 Telecommunication interconnection testing |
| 05/05/1993 | CN2132365Y High insulating connecting terminal pair |
| 05/04/1993 | US5208737 Cross connect cabinet for telecommunications equipment |
| 05/04/1993 | US5207583 Network interface unit |
| 04/27/1993 | US5206902 Network signaling arrangement for controlling tandem network functions |
| 04/27/1993 | US5205758 Communications distribution interface unit assembly |
| 04/21/1993 | EP0537408A1 Routing in a network of bridge-connected LAN Segments |
| 04/20/1993 | US5204921 Automated optical main distributing frame system |
| 04/20/1993 | CA1316587C Device for holdng connector banks in telecommunication systems |
| 04/15/1993 | WO1993007654A1 Telecommunications terminal block |
| 04/14/1993 | EP0536496A2 Switching device for glass fibre cables of the telecommunication and data technology |
| 04/13/1993 | CA1316277C Loop status verification system |
| 04/13/1993 | CA1316233C Digital telecommunications network, cross-connect module |
| 04/08/1993 | DE4132917A1 Office telephone exchange module - has two overlying circuit boards within housing coupled together via releasable connections |
| 04/07/1993 | EP0418282A4 Portable call generator |
| 04/06/1993 | US5199878 Plug-in jack card for normally closed contacts |
| 04/02/1993 | CA2068473A1 Front-facing line terminal block assembly |
| 03/31/1993 | EP0534852A1 Method and apparatus for multiplexed transmission of DTMF signals |
| 03/30/1993 | US5198992 Method and apparatus for improving wideband detection of a tone |
| 03/30/1993 | US5198808 Matrix switch apparatus with a diagnosis circuit having stand-by ports and reduced size matrix switching elements |
| 03/18/1993 | WO1993005603A1 Telephone network interface |
| 03/18/1993 | WO1993005597A1 Adaptive echo canceller for voice messaging system |
| 03/16/1993 | US5195128 Communication system, particularly a telephone communication system |
| 03/16/1993 | US5195125 Telephone line connection apparatus |
| 03/11/1993 | DE4129588A1 Testing system for cross points and wiring of measuring network - uses different colour LED(s) for indicating correct function of each tested cross point |
| 03/10/1993 | EP0530645A2 Telephone signal classification and phone message delivery method and system |
| 03/10/1993 | EP0530333A1 Supporting profile for connecting and/or separating strips in telecommunications technology |
| 03/03/1993 | EP0529267A2 Terminal block for telecommunications and data systems engineering |
| 03/03/1993 | EP0427800A4 Interlock circuit for preventing corruption of telephone line signals |