Patents for H04Q 1 - Details of selecting apparatus or arrangements (11,745) |
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03/02/1993 | US5190460 Central office connector for a distributing frame system |
02/24/1993 | EP0528505A2 Speech decoder with DTMF-regenerator and process for regeneration of a DTMF signal |
02/18/1993 | WO1993003570A1 Transparent inband signaling |
02/18/1993 | DE4130588C1 Connector strip receptacle for module carriers - has pair of brackets at front profile with retainers for PCB having conductor paths connectable to cutting clamping contacts of terminal strip |
02/18/1993 | CA2114435A1 Transparent inband signaling |
02/11/1993 | DE4126815A1 Speech decoder system for digital telephone network - has regenerator with detector to produce standard DTMF signal from input signal contg. distorted DTMF signal |
02/10/1993 | EP0324012B1 Shorted-coaxial-cable detector for local-area networks |
02/09/1993 | US5185743 Signaling cell switching system |
02/03/1993 | EP0526303A1 Device for storing and separating conductors |
02/03/1993 | EP0525487A2 Subscriber terminal with an identification device for audible tones |
01/26/1993 | CA2049842A1 Modular patch panel |
01/21/1993 | WO1993001687A1 Tone receiver comprising a switch capacitor zero crossing detector |
01/21/1993 | DE4123980A1 Indicating and operating panel e.g. for lift - covers entire opening in body with cover plates with holding elements arranged on cover plate underside which engages with locking elements in body |
01/20/1993 | EP0524115A1 Multiple plug for interconnection, in particular for telephone or computer lines |
01/20/1993 | EP0523552A1 Telephone cable head |
01/19/1993 | US5181236 Automatic call returning method for call distributor with message record capability |
01/19/1993 | CA1312912C Apparatus for protecting electrical lines in a distributor of a telecommunication installation |
01/13/1993 | EP0522540A1 Cable terminal with protection for telephone distributor |
01/12/1993 | US5178554 Modular jack patching device |
01/07/1993 | EP0520991A1 Distributing frame for telecommunication networks. |
01/05/1993 | US5177785 Method and system for secure telecommunications |
01/05/1993 | US5177781 Dialing pulse signature recognizing method and device |
01/05/1993 | US5176540 Distributor strip for telecommunication systems for connecting incoming and outgoing lines |
01/05/1993 | CA1312366C Automatic call distribution (acd) switching system having distributed processing capability |
12/30/1992 | EP0519924A1 Contact component for a distribution switchboard in a telecommunication network. |
12/29/1992 | US5175673 Distributor for use in communication systems |
12/23/1992 | EP0518864A1 Distribution switchboard in a telecommunication network |
12/22/1992 | CA1311826C Apparatus for organizing equipment cables |
12/16/1992 | EP0518390A2 Jack and test plug |
12/15/1992 | US5172406 Dtmf signal detection apparatus |
12/09/1992 | EP0231259B1 Nationwide radio paging system |
12/08/1992 | US5170327 Distal distribution frame module |
12/02/1992 | EP0516459A2 Facsimile server with manual call release emulation |
12/02/1992 | EP0437482A4 Main distribution frame structure |
12/01/1992 | CA1311069C Trunk dialing converter |
11/25/1992 | EP0515241A1 Telephone conference system |
11/19/1992 | EP0514076A2 Communication apparatus for connection to a public switched telephone network |
11/17/1992 | US5163855 Connector bank for telecommunication systems |
11/12/1992 | DE4115001A1 Interruption free switch=over of telephone network changeover - has connector with bridging plug insert allowing wire to be removed before re-connecting |
11/11/1992 | EP0512457A1 Method and arrangement for monitoring of switching paths in a switching network |
11/10/1992 | US5163084 Voice information service system and method utilizing approximately matched input character string and key word |
11/10/1992 | US5163050 Configurable parameter dtmf detector |
11/10/1992 | US5162792 On-the-fly arrangement for interconnecting leads and connectors |
11/04/1992 | CN1018975B Double side automatic wire stripping terminals connecting box |
11/03/1992 | CA1309764C Method of operating a packet switching network |
10/27/1992 | US5158480 Distributing facilities |
10/20/1992 | US5156551 Front-facing line terminal block assembly |
10/14/1992 | EP0508870A1 Modular patch panel |
10/14/1992 | CN1018698B Telecommunications terminal block and adapter |
10/13/1992 | CA1308825C Terminal repeater having a function for repeating dc loop signal |
10/07/1992 | EP0507505A2 Network signalling arrangement for controlling tandem network functions |
10/06/1992 | US5153910 Protected telephone network interface device |
10/06/1992 | US5153843 Layout of large multistage interconnection networks technical field |
10/06/1992 | US5153819 For interconnecting wires |
09/29/1992 | US5151935 Programmable universal signaling circuit for a telephone network |
09/24/1992 | DE4207531A1 Distributor-cabinet system e.g. for telephone signal transmission fibre glass cable - has cabinet formed from frame structure with internally linked individual pivot frame having superimposed assembly group bearers |
09/22/1992 | US5150355 Relating exchanges |
09/17/1992 | WO1992016076A1 Supporting profile for connecting and/or disconnecting strips in telecommunications technology |
09/16/1992 | EP0503704A2 Supporting rail profile for terminal blocks and/or for disconnection blocks for telecommunication |
09/16/1992 | CN1064569A Electrically-protected connector |
09/09/1992 | CN2115632U High speed telephone set safety unit with solderless wrapping connection |
09/09/1992 | CN2115631U Distribution terminal frame |
09/09/1992 | CN2115630U High speed connecting rack |
09/08/1992 | US5145416 Telephone |
09/08/1992 | US5145380 Patch panel |
09/08/1992 | CA1307315C Telephone protection circuit |
09/03/1992 | WO1992015126A1 Electrical connector with grounding |
09/01/1992 | US5144652 Device for connecting a subscriber line to a selected internal line |
09/01/1992 | US5144626 Data processor |
08/26/1992 | WO1992015129A1 Electrically-protected connector |
08/26/1992 | CN2114257U Telephone protector |
08/26/1992 | CA2104784A1 Electrically-protected connector |
08/25/1992 | US5142569 Apparatus for selectively enabling subscriber device to respond to ringing signal in dependence upon ringing cadence |
08/25/1992 | CA1306796C Housing for receiving electric assemblies |
08/20/1992 | DE4114947C1 Protective plug for coupling to distributor contact module - has two differently shaped contact faces for contact spring of spring pair |
08/20/1992 | DE4114946C1 Contact module for telephone installation distributor - has contact springs with extra contact zones extending beyond sprung contacts |
08/19/1992 | CN2113579U General distribution fram self-reduction protector for telephone |
08/18/1992 | US5140590 Telephone or data switching system with variable protocol inter-office communication |
08/12/1992 | EP0498151A1 Terminal block with semi-integrated protections |
08/12/1992 | CN1017850B Protected plug for conector block or breaker block |
08/11/1992 | US5138569 Dual tone multi-frequency detector |
08/06/1992 | WO1992013407A1 Configurable parameterized dtmf detector |
08/05/1992 | CN2112233U Anti-theft and fault alertor in use for village broadcast telephone line |
07/28/1992 | US5134618 Method of testing connecting and/or switching devices and/or lines |
07/22/1992 | CN1017559B Method of testing connecting and/or switching device and/or lines |
07/15/1992 | EP0494768A2 Automated optical MDF system |
07/14/1992 | US5131041 Fault tolerant interconnection networks |
07/14/1992 | US5129842 Modular patch panel |
07/14/1992 | CA1305220C Nationwide radio paging system |
07/09/1992 | WO1992011723A1 Call progress decoder for multiple cadenced tones on telephone lines |
07/08/1992 | EP0493740A1 Connection module for a distributing equipment, especially for the main distributing frame of telecommunication arrangements |
07/08/1992 | EP0493703A1 Communication system especially telephone communication system |
07/08/1992 | EP0282577B1 Energy management system |
07/08/1992 | CN1017391B Subminiature extending protector for communication exchanger |
07/07/1992 | US5127851 Modular patch panel |
07/02/1992 | DE4042306A1 Dispersal point break-before-make changeover connector - uses sliding U-piece bearing against spring contacts to test operation |
07/01/1992 | EP0493056A2 Call progress decoder for multiple cadenced tones on telephone lines |
07/01/1992 | EP0492438A2 Method and system for making bipolar switching to protection channel |
07/01/1992 | EP0492220A1 Distributor for connecting and joining together electrical wires in telecommunication installations |
06/30/1992 | US5127004 Tone and announcement message code generator for a telephonic switching system and method |