Patents
Sitemap › H04 - Electric communication technique › H04Q - Selecting › H04Q 1 - Details of selecting apparatus or arrangements
Patents for H04Q 1 - Details of selecting apparatus or arrangements (11,745)
10/1995
10/17/1995US5459644 Wiring distribution frame
10/17/1995US5459643 Electrically enhanced wiring block with break test capability
10/12/1995WO1995027379A1 Cable management system with remote line testing
10/12/1995DE4411954A1 Connector for coupling test and measuring devices to main distributor
10/11/1995EP0676122A1 Cabinet structure, having variable size, for electric and/or electronic equipments.
10/10/1995US5457690 In a communication system
10/10/1995US5456608 Cross-connect system
10/04/1995CN1109643A Terminal block with protection
10/03/1995US5455856 Method and system for partially automating feeder and distribution cable cross-connects
10/03/1995CA2062102C Remote maintenance method and device thereof in private branch exchange system
09/1995
09/26/1995US5453990 Switching circuit having error detection capability
09/21/1995WO1995025405A1 Test port for network interface device module
09/21/1995DE4423339C1 Modular distribution strips for MDF for telephone and data leads
09/21/1995CA2185449A1 Test port for network interface device module
09/20/1995EP0672926A1 Circuit board packaging structure
09/20/1995CN1108870A Cabinet and position allocation
09/19/1995US5451170 Terminal block with protection
09/13/1995EP0671856A1 Cross-connect device for multistrand wires, especially for telephonic applications
09/12/1995US5450469 Subscriber interface box
09/12/1995US5450272 Telecommunications equipment
09/12/1995US5449299 Telecommunications terminal
09/06/1995CN2207041Y Easy measuring type rotary clamping terminal mould
09/05/1995US5448675 Telecommunications distribution frame with tracing
09/05/1995US5448632 Call monitoring system for intelligent call processing
09/05/1995US5448617 Method of processing intelligent network service call with DTMF subscriber signalling in electronic switching system for toll/tandem
09/05/1995US5448015 Support and Guide device for cables carrying elcetrical or light signals
08/1995
08/31/1995WO1995023447A1 Improved module for the connection and testing of telephone lines
08/29/1995USRE35030 Wiring block having detachable leg assemblies
08/29/1995US5446732 Method of and apparatus for signalling between nodes in network
08/23/1995EP0668714A1 Rack apparatus, for containing electric components therein, having inproved shielding function
08/16/1995EP0667083A1 Intelligent pulse to tone converter (cpti)
08/15/1995US5442726 Optical fiber storage system
08/15/1995US5442696 Method and apparatus for detecting control signals
08/15/1995US5442694 Ring tone detection for a telephone system
08/09/1995EP0615662A4 Gel filled electrical connector.
08/08/1995US5440582 Method and apparatus for determining signal usability
08/08/1995US5439395 DSX jack
08/03/1995DE4402365A1 Line plug for distributor changeover connections
08/01/1995US5438617 Low frequency digital network cross-connect panel
08/01/1995CA2123759C Apparatus and method for connecting telephone switching devices
08/01/1995CA2041209C Tone and announcement message code generator for a telephonic switching system and method
07/1995
07/27/1995WO1995020175A1 High-density fiber distribution frame
07/27/1995DE4401540A1 Processing interference, faulty and information signals from exchange or data processor
07/25/1995US5436964 Programmable call progress tones for a switching system
07/25/1995US5435747 Electrically-protected connector
07/25/1995CA1336446C Switch hook flash detection circuit
07/20/1995WO1995019677A1 Subscriber line impedance measurement device and method
07/19/1995EP0663783A2 Disconnect signalling detection arrangement
07/19/1995EP0663782A1 Cable distribution system
07/19/1995EP0663781A2 Transport apparatus for large network telecommunication equipment
07/19/1995CN2203808Y Transverse testing wiring bank
07/18/1995CA2017173C Connector bank with overvoltage surge protection
07/13/1995WO1995019086A1 Telecommunications conferencing/communications apparatus and method
07/11/1995US5432847 Low frequency telecommunication digital network interface patch panel
07/11/1995US5432505 Cable management system with automatic mapping
07/05/1995CN1104805A Module for rapid interconnection of two monopair telephone lines
06/1995
06/27/1995US5428680 DTMF signal receiving apparatus equipped with a DTMF signal judging circuit
06/27/1995US5428662 Detecting make-break clicks on a telephone line
06/27/1995US5427547 Gel filled modular electrical connecting block
06/22/1995EP0685119A4 Telecommunications terminal block.
06/22/1995DE4445734A1 Overload control for main processor of distributed communication system
06/22/1995DE4342740A1 Small telecommunication exchange system metal housing
06/22/1995DE4342739A1 Miniature telecommunications exchange installation
06/21/1995CN1029061C Alarm and test system for digital added main line
06/21/1995CA2135221A1 Transport apparatus for large network telecommunication equipment
06/20/1995US5426696 Method of improving receiver sensitivity and speech immunity with DTMF-reception
06/14/1995EP0658076A1 Modular type casing for telecommunication apparatus
06/14/1995EP0658060A1 Detector for low-frequency tone signals
06/14/1995EP0658059A1 Connecting and disconnecting block
06/14/1995EP0657741A2 Cable management system with remote line testing through switch
06/13/1995US5423694 Telecommunications terminal block
06/08/1995WO1995015643A1 Voice enhancement system and method
06/08/1995CA2133943A1 Cable management system with remote line testing through switch
06/06/1995US5422949 Subscriber terminal apparatus
06/06/1995US5422946 Main distribution device for telephone and data lines
06/06/1995US5422945 Fast last digit detection of a dialed telephone number
05/1995
05/31/1995EP0655168A1 Improved cross connect system for telecommunications systems.
05/30/1995US5420920 Network interface device module providing sealed customer-accessible test port
05/30/1995US5419715 Terminal strip with flexible labelling facility
05/24/1995EP0654851A1 Asymmetric contact and terminal block comprising such contacts
05/24/1995EP0654674A2 Cable management system with service and user line testing
05/23/1995US5418334 Relative position tracer lamp indicator
05/23/1995CA2134918A1 Cable management system with service and user line testing
05/18/1995WO1995009511A3 Radiotelephone system for groups of remote subscribers
05/17/1995EP0653892A1 Method for pulling a wire by means of a pilot wire
05/17/1995EP0653137A1 Rack designed to hold subscriber-station assemblies.
05/17/1995CN2197782Y Safety model of distributing support
05/17/1995CN1102745A Communication line safety device with alarming device
05/16/1995US5416837 Telephone network interface enclosure
05/16/1995US5416836 Disconnect signalling detection arrangement
05/16/1995US5416835 Automatic signaling-type indicator for use in subsequent interactive dialing
05/09/1995US5414765 Network interface device having switch
05/09/1995US5414695 Method for monitoring existing telephone connections, particularly permanently switched telephone connections
05/09/1995US5413494 Jack module assembly
05/04/1995WO1995012302A1 Cabinet structure, having variable size, for electric and/or electronic equipments
05/03/1995EP0651548A1 Call monitoring system for intelligent call processing
05/03/1995EP0651465A2 Electrical wiring block with break test capability
05/02/1995US5412715 Apparatus and method for connecting telephone switching devices
04/1995
04/27/1995WO1995011536A1 Rack for switching cabinets
04/27/1995CA2174638A1 Rack for switching cabinets
1 ... 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 ... 118