| Patents for H04Q 1 - Details of selecting apparatus or arrangements (11,745) |
|---|
| 05/04/1994 | CN2164170Y Distribution module |
| 05/03/1994 | CA2008505C Interlock circuit for preventing corruption of telephone line signals |
| 04/27/1994 | CN2163495Y Telecommunication cable connecting case module |
| 04/26/1994 | US5307404 Signal detecting device |
| 04/20/1994 | CN1085691A Gas tube vent-safe device |
| 04/19/1994 | US5305325 Method and a device for supervising and testing majority voting |
| 04/19/1994 | US5305315 Trunk interface for the ISDN system using two different signalling systems |
| 04/14/1994 | WO1994008429A1 Jack module assembly |
| 04/12/1994 | US5302140 Connector with mounting collar for use in universal patch panel systems |
| 04/06/1994 | CN2161040Y Knife for separating internal wire reed from external wire reed |
| 04/05/1994 | US5301057 Subscriber interface for a fiber optic communications terminal |
| 03/31/1994 | CA2101035A1 Terminal emulation system |
| 03/30/1994 | EP0589085A1 Subscriber connection unit for connecting a PBX to a public telephone exchange |
| 03/30/1994 | CN2160182Y Alarm for safety device of telecommunication terminal base |
| 03/30/1994 | CN2160181Y Jointing type high frequency terminal board |
| 03/29/1994 | US5299209 Apparatus and method for detecting fault in ATM switch |
| 03/29/1994 | US5299098 For telecommunication and data distribution devices |
| 03/29/1994 | US5297975 Terminal bank for the telecommunication and data technology |
| 03/29/1994 | CA2011068C Hot cut procedure for telecommunications network |
| 03/23/1994 | CN2159640Y Seizing-up connector for test |
| 03/23/1994 | CN1084321A Improved cross connect system for telecommunications systems |
| 03/22/1994 | US5297229 System for extending communication equipment using flat coaxial cable |
| 03/22/1994 | US5297199 Apparatus for connecting and disconnecting subscriber premises line and incoming telephone company line |
| 03/22/1994 | US5296646 Protector module for telephone line junction box |
| 03/17/1994 | WO1994006250A1 Device for the automatic distribution of telephone and data connections |
| 03/17/1994 | DE4306349C1 Distributor unit for telephone and data lines - with distributor rails fitted with distributor elements providing closed path between exchange cable and each subscriber cable |
| 03/17/1994 | DE4230418A1 Optical distributor cabinet insert - with pivoted mounting chassis comprising horizontal base and vertical front panel allowing easy access to optical fibre connections |
| 03/15/1994 | US5295223 Voice/voice band data discrimination apparatus |
| 03/12/1994 | CA2078081A1 Network node event notification in circuit switched environments |
| 03/10/1994 | DE4228071A1 Decoding and conversion appts. for telephone tone signals - has signals generated in digital form to simulate signals of joystick controller for operating computer |
| 03/09/1994 | EP0585700A1 Wiring block |
| 03/03/1994 | WO1994005058A1 Improved cross connect system for telecommunications systems |
| 03/03/1994 | DE4228952A1 Tone signal evaluation system for telephone exchange - with microcontroller supplied with frequency and level information for each tone signal voltage |
| 03/03/1994 | CA2140449A1 Improved cross connect system for telecommunications systems |
| 03/02/1994 | EP0584658A2 Distributor for EMI shielded cabinets |
| 03/01/1994 | US5291553 Weatherproof telephone network interface modules |
| 03/01/1994 | CA2004596C Device for connecting optical lines to a wideband telecommunications exchange |
| 02/24/1994 | DE4237170A1 Telecommunication network device - only allows PCB insert to be removed from frame when no leads are plugged into socket. |
| 02/22/1994 | US5289558 Switching assembly for glass fiber cables of the telecommunication and data technology |
| 02/22/1994 | US5289340 Structure of an electronic device including a number of printed circuit boards |
| 02/17/1994 | WO1994004004A1 Rack designed to hold subscriber-station assemblies |
| 02/16/1994 | EP0233892B1 A telephone line switch |
| 02/16/1994 | CN1082283A High-speed facility protection in a digital telecommunications system |
| 02/16/1994 | CN1082257A Coupling box with user connecting assemblage |
| 02/16/1994 | CN1082256A Surge arrestor fail safe thermal overload mechanism |
| 02/15/1994 | US5287405 Called party response detecting apparatus |
| 02/09/1994 | EP0582037A2 Method and apparatus for improving wideband detection of a tone |
| 02/02/1994 | CN2155115Y Main base for safety device |
| 01/26/1994 | EP0579927A2 DTMF signal detection for voice processing equipment |
| 01/26/1994 | CN2154574Y Protective device pattern plate |
| 01/25/1994 | US5281163 Cross connect system for telecommunications systems |
| 01/20/1994 | WO1993023960A3 Telecommunications network interface assembly |
| 01/19/1994 | EP0579040A2 Connection protection in a digital telecommunications system |
| 01/19/1994 | EP0268667B1 A telephone line monitoring system |
| 01/19/1994 | CN2153918Y In-line module with double connection point |
| 01/19/1994 | CN1081045A Telecommunications network interface assembly |
| 01/18/1994 | US5280487 Method and arrangement for detecting and localizing errors or faults in a multi-plane unit incorporated in a digital time switch |
| 01/12/1994 | EP0577848A1 Circuit for detecting object signal from input signal |
| 01/11/1994 | US5278897 Smart internodal transfer for subscriber access in multinode voice messaging systems |
| 01/06/1994 | WO1994000864A1 Surge arrestor fail safe thermal overload mechanism |
| 01/06/1994 | WO1994000856A1 Gas tube vent-safe device |
| 01/06/1994 | CA2139329A1 Gas tube vent-safe device |
| 01/06/1994 | CA2139327A1 Surge arrestor fail safe thermal overload mechanism |
| 01/05/1994 | EP0577332A2 Enhanced automatic call distribution system operation |
| 01/05/1994 | EP0576980A2 A method of improving sensitivity and speech immunity of a multifrequency receiver |
| 01/05/1994 | CN2152360Y Straight line safety connecting row |
| 01/05/1994 | CN1080438A Protector module for telephone line junction box and method of protecting a circuit |
| 01/04/1994 | US5276727 Remote maintenance method and device thereof in private branch exchange system |
| 12/31/1993 | CA2094945A1 Enhanced automatic call distribution system operation |
| 12/29/1993 | EP0576318A1 Matrix distribution, printed circuit board and method for distribution management |
| 12/29/1993 | EP0576205A2 Automatic processing of calls with different communication modes in a telecommunications system |
| 12/29/1993 | EP0575725A2 Adaptive signal detection process for the evaluation of multifrequency coded signals |
| 12/29/1993 | CN2151600Y Assembled safety terminals connector structure |
| 12/28/1993 | US5274692 Method for testing the line connection before switching from a telephone switching center to be placed out of service to a new digital telephone switching center to be placed into service |
| 12/22/1993 | EP0575100A1 Patching panel scanner |
| 12/22/1993 | EP0575072A1 Universal patch panel for electrical communications use in buildings |
| 12/15/1993 | EP0573760A1 Method for identifying speech and call-progression signals |
| 12/15/1993 | EP0573442A1 Electrically-protected connector |
| 12/14/1993 | US5271003 Internal routing method for load balancing |
| 12/14/1993 | US5269708 For transmitting telecommunication signals |
| 12/09/1993 | WO1993024997A1 Digital signal receiver |
| 12/09/1993 | DE4218124A1 Programmable multifrequency audio signal or sequence generator - produces security coded signal from memory in response to keying for acoustic transmission on telephone subscriber line |
| 12/09/1993 | CA2113898A1 Digital signal receiving device |
| 12/02/1993 | DE4315720A1 Telecommunications exchange equipment unit with circuits in drawers - allows optical functions to be implemented by photonic modules in system |
| 12/01/1993 | EP0571488A1 Configurable parameterized dtmf detector |
| 11/30/1993 | US5267305 Transparent inband signaling |
| 11/30/1993 | US5267250 Circuit arrangement for detection of an erroneous selection signal supplied to selection means |
| 11/27/1993 | CA2096188A1 Adaptive efficient single/dual tone decoder apparatus and method for identifying call-progression signals |
| 11/25/1993 | WO1993023961A1 A monitoring device for a u-link |
| 11/25/1993 | WO1993023960A2 Telecommunications network interface assembly |
| 11/25/1993 | DE4216422A1 Distribution element for installation in communications appts. - has base formed from several cable carrying channels having spring contact strip which grips support rail |
| 11/24/1993 | CN2147702Y Protector for general line distributing |
| 11/23/1993 | US5265187 Distribution frame and optical connector holder combination |
| 11/23/1993 | US5265156 Telecommunications digital signal |
| 11/23/1993 | US5265097 Data processor |
| 11/18/1993 | EP0570097A1 Apparatus and robust method for detecting tones |
| 11/16/1993 | US5263108 Electrical circuit apparatus |
| 11/16/1993 | US5263081 Method and apparatus for providing on-hook transmission for digital loop carrier channel units |
| 11/09/1993 | US5261061 Remote maintenance and administration method in a switchboard system |
| 11/09/1993 | US5260994 Maintenance termination unit module |