| Patents for H04Q 1 - Details of selecting apparatus or arrangements (11,745) | 
|---|
| 11/08/1994 | US5362257 Communications connector terminal arrays having noise cancelling capabilities | 
| 11/04/1994 | CA2117232A1 Cable management system | 
| 11/02/1994 | EP0622964A1 Voice activity detection method and apparatus using the same | 
| 11/02/1994 | EP0622963A2 Apparatus for adaptively tuning to a received periodic signal | 
| 11/02/1994 | EP0622962A1 Call progress tone detection method | 
| 11/02/1994 | EP0550642B1 Dtmf signal detection apparatus for a voice store and forward equipment | 
| 11/01/1994 | US5361298 Telecommunications service provision equipment transfer | 
| 10/27/1994 | WO1994024806A1 A method to produce and transmit information | 
| 10/27/1994 | WO1994024726A1 Telecommunications terminal block | 
| 10/26/1994 | EP0621734A2 Method and apparatus for monitoring telecommunication networks | 
| 10/26/1994 | EP0621733A1 Pluggable protection module for module for fast interconnection of telephone lines | 
| 10/26/1994 | CN2181151Y Frame for telephone general wire distributing shelf | 
| 10/26/1994 | CN2181150Y Double-surface inclined module | 
| 10/25/1994 | US5359654 Telecommunications network interface assembly | 
| 10/25/1994 | US5359652 Tone receiver comprising a switch capacitor zero crossing detector | 
| 10/20/1994 | DE4308228C1 Main distributor for optical fibres in communications technology | 
| 10/19/1994 | EP0602067A4 Transparent inband signaling. | 
| 10/19/1994 | CN1093859A Distribution device, in particular for the main distribution device of telephone and data lines | 
| 10/13/1994 | WO1994023546A1 Cabinet and position allocation | 
| 10/13/1994 | CA2136963A1 Cabinet and position allocation | 
| 10/11/1994 | US5355408 Network interface device with environmentally protected compartment | 
| 10/05/1994 | EP0618741A1 Distribution arrangement, especially for the main distribution of telephone and data lines | 
| 10/04/1994 | US5353346 Multi-frequency signal detector and classifier | 
| 10/04/1994 | US5353345 Method and apparatus for DTMF detection | 
| 10/04/1994 | US5353344 Method of determining levels at given frequencies of a VF signal | 
| 10/04/1994 | US5353342 Adaptive multitone signaling method | 
| 09/28/1994 | CN2178410Y Sweating safety device for telephone wire | 
| 09/28/1994 | CN2178409Y Communication cable free wiring configuration adapter junction box | 
| 09/27/1994 | US5351232 Path monitoring system for cross-connect system | 
| 09/22/1994 | DE4406483A1 Tondetektor Tone detector | 
| 09/21/1994 | EP0615662A1 Gel filled electrical connector | 
| 09/21/1994 | CN2178030Y Direct type quick connecting module | 
| 09/21/1994 | CN2178029Y Improved safety wiring gang | 
| 09/20/1994 | US5349578 Time slot switching function diagnostic system | 
| 09/20/1994 | US5349254 Call progress detection circuit | 
| 09/15/1994 | WO1994021100A1 Telecommunications device | 
| 09/14/1994 | EP0614596A1 Device for the automatic distribution of telephone and data connections | 
| 09/13/1994 | US5347611 Apparatus and method for transparent tone passing over narrowband digital channels | 
| 09/13/1994 | US5347572 Telephone line monitoring apparatus and method | 
| 09/13/1994 | US5347270 Method of testing switches and switching circuit | 
| 09/07/1994 | EP0520991B1 Distributing frame for telecommunication networks | 
| 09/07/1994 | CN1091887A A method of connecting subscribers to a telephone exchange | 
| 09/01/1994 | WO1994019896A1 Telelphone dialling code processor | 
| 08/31/1994 | CN1091573A Method and apparatus for detecting telephone line states in electronic switching system | 
| 08/30/1994 | US5343510 Wireless telephone | 
| 08/30/1994 | US5343414 Apparatus for adaptively tuning to a received periodic signal | 
| 08/25/1994 | DE4317367C1 Switching network for a digital time-division multiplex telephone exchange | 
| 08/24/1994 | CN2175504Y Pressed block for telephone cable conjunction | 
| 08/23/1994 | US5341269 Voltage protector and grounding bar arrangement for terminal block | 
| 08/20/1994 | CA2115692A1 Distribution device, in particular for the main distribution device of telephone and data lines | 
| 08/18/1994 | WO1994018722A1 Transmission line connectors and assemblies thereof | 
| 08/18/1994 | DE4324798C1 Screened housing for a distribution panel | 
| 08/16/1994 | US5339251 Apparatus for adaptively tuning to a received periodic signal | 
| 08/09/1994 | US5337400 Distribution frame and optical connector holder combination | 
| 08/09/1994 | US5337378 Optical fiber switch including partitions for restricting surplus fibers | 
| 08/09/1994 | US5337347 Method and system for progressive database search termination and dynamic information presentation utilizing telephone keypad input | 
| 08/04/1994 | WO1994017572A1 Gel filled modular electrical connecting block | 
| 08/03/1994 | EP0609136A1 Connector terminal for connecting leads | 
| 08/03/1994 | EP0609135A1 Pre-wired terminal block | 
| 07/27/1994 | CN1090111A Anti-saturation exchanger port inductive circuit | 
| 07/26/1994 | US5333193 Telephone network termination module having insulation displacement terminals | 
| 07/26/1994 | US5333191 Detection of multifrequency tone signals | 
| 07/26/1994 | US5332397 Telecommunications adapter | 
| 07/20/1994 | EP0519924B1 Contact component for a distribution switchboard in a telecommunication network | 
| 07/19/1994 | US5331206 Circuit for driving a transmission line | 
| 07/13/1994 | CN2171962Y Clip safety wiring module | 
| 07/13/1994 | CN2171961Y Safety device for telephone wiring frame | 
| 07/12/1994 | US5329583 Enhanced automatic call distribution system operation | 
| 07/12/1994 | US5329538 Circuit for providing digital data having high clarity in a digital signal receiver | 
| 07/12/1994 | US5329520 High-speed facility protection in a digital telecommunications system | 
| 07/07/1994 | DE4314353C1 Connecting leads for switching matrix bay in communications exchange | 
| 07/06/1994 | EP0605093A1 An improved cable organiser | 
| 07/06/1994 | CN2171185Y Four safety constructional detail | 
| 07/05/1994 | US5327418 Circuit arrangement for centrally controlled telecommunications exchanges | 
| 06/28/1994 | US5325427 Apparatus and robust method for detecting tones | 
| 06/28/1994 | US5323916 Unequal flange-type telephone equipment rack adapted for universal application | 
| 06/23/1994 | DE4242742A1 Communications engineering appts. mounting frame with cabling spaces | 
| 06/22/1994 | EP0602067A1 Transparent inband signaling | 
| 06/21/1994 | US5323454 Telephone junction enclosure and system for sealing a wire opening array | 
| 06/15/1994 | EP0601984A1 A method of connecting subscribers to a telephone exchange | 
| 06/15/1994 | EP0601082A1 Adaptive echo canceller for voice messaging system | 
| 06/14/1994 | US5321745 Adaptive efficient single/dual tone decoder apparatus and method for identifying call-progression signals | 
| 06/14/1994 | CA1330225C Interface circuit with transient event tolerance | 
| 06/09/1994 | WO1994013061A1 Arrangement for isolating a dc coupling from a symmetry requiring ac circuit | 
| 06/07/1994 | US5319703 Apparatus and method for identifying speech and call-progression signals | 
| 06/01/1994 | EP0599701A1 Communication system with contact bank for high bit rate communications | 
| 06/01/1994 | EP0599442A1 Private branch exchange | 
| 06/01/1994 | EP0598931A1 Method for the control of switched telephone connections, especially permanent switched telephone connections | 
| 06/01/1994 | CN2167495Y Electricity wire distribution frame with single working surface | 
| 05/18/1994 | EP0597327A2 Multiple terminal bloc for distribution frames and systems of low current installation | 
| 05/17/1994 | US5313519 Protected telephone network interface device | 
| 05/17/1994 | US5312270 Wiring block having detachable leg assemblies | 
| 05/11/1994 | WO1994010808A1 Intelligent pulse to tone converter (cpti) | 
| 05/11/1994 | EP0596776A1 Contact bank with adaptable labelling | 
| 05/11/1994 | CN2164623Y Single side jumping type teminal mould block for outer wire of general wire assembling frame | 
| 05/10/1994 | US5311589 Apparatus and method for audible signaling tone recognition | 
| 05/10/1994 | US5311588 Call progress detection circuitry and method | 
| 05/10/1994 | US5311575 Telephone signal classification and phone message delivery method and system | 
| 05/10/1994 | US5311170 Method and system for making bipolar switching to protection channel | 
| 05/04/1994 | EP0594831A1 Telecommunications network interface assembly |