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)
07/1998
07/29/1998CN1189063A Method for generating load signal using boomerang technique
07/28/1998US5785548 Power tap network connector
07/22/1998EP0853777A1 Device for the operation of appliances, utilities and services within a building
07/22/1998CN1188378A Method of controlling time switch for diagnosing failure on call path
07/21/1998US5784516 Optical fiber distribution shelf assembly containing a modular optical switch
07/21/1998US5784515 Optical fiber cross connection apparatus and method
07/21/1998CA2096402C High-speed facility protection in a digital telecommunications system
07/16/1998WO1998031205A2 Frame structure
07/16/1998WO1998031157A1 Device for regulating the contact position of plug-in contact points of a distribution component
07/16/1998DE19710185C1 Unlatching and drawing tool for telecommunications and data applications
07/15/1998EP0852881A2 Contact component for a distributor in a telecommunication facility
07/15/1998EP0852869A1 Method and system for transferring data between a mobile and a stationary group of persons
07/15/1998EP0852867A1 Method and system for rapidly generating and transmitting a character sequence using voice frequencies
07/15/1998EP0852827A1 Modular terminal block assembly
07/15/1998CN2286361Y Relay plug column for mobile phone
07/14/1998US5781626 Communication device capable of controlling transmission parameters of outputted DTMF signals
07/14/1998US5781625 System and apparatus for generating within the premises a dial tone for enhanced phone services
07/14/1998US5781527 Integrated multi-fabric digital cross-connect integrated office links
07/14/1998US5781410 Densely packed telecommunications equipment enclosure
07/14/1998US5779504 Modular terminal block assembly
07/07/1998US5775956 Distribution panels especially for data transmission networks
07/07/1998US5774979 Modular cabling system and method for installing same
07/02/1998WO1998028894A1 System and method for modifying voice signals to avoid triggering tone detectors
07/01/1998EP0851692A2 Dual-tone multi-frequency signal transfer protocol
07/01/1998EP0851619A2 Higher speed digital loop carrier transmission system
07/01/1998EP0850530A1 Line testing in a telecommunications network
06/1998
06/30/1998US5774507 Synchronous clock controller for digital exchange
06/30/1998US5773763 Mounting device for communication RJ elements (patch panel) which has a rear cable guide strip and a front cable guide ring
06/30/1998US5772464 Straight contact and branch contact for electrical connectors or electrical clamps
06/25/1998WO1998027758A2 Methods and apparatus of providing transparency of dtmf signaling tones across a digital cellular voice channel
06/25/1998WO1998027752A1 Method for expediting access to services of a switched communications network
06/24/1998EP0849841A1 Method of making telephone or data terminal blocks and terminal block obtained by this process
06/24/1998EP0849602A2 System for locating patch cord ends
06/24/1998CN1038888C Module for repaid interconnection of two monopair telephone lines
06/20/1998CA2223186A1 Process for making a terminal block for interconnection of telephone or computer-related lines, and terminal block obtained by this process
06/17/1998EP0848317A2 Signal generating device and electronic device using the same
06/17/1998CN1038803C Central control telecommunication equipment
06/16/1998US5765698 Panel assembly with angularly oriented hinges
06/10/1998EP0847106A2 Terminal block, disconnecting or connecting block
06/10/1998CN2283953Y Battery back clamper of portable telephone
06/09/1998US5765125 Detection of tones while minimizing incorrect identification of other sounds as tones
06/09/1998US5764758 Method for converting a message
06/09/1998US5764754 For a telephone network
06/09/1998US5764043 Traceable patch cord and connector assembly and method for locating patch cord ends
06/04/1998WO1998024225A1 Interactive apparatus
06/03/1998CN2283334Y Safety device
06/02/1998US5760551 Automatic re-arrangement and distribution device for telecommunication and data lines
05/1998
05/28/1998WO1998023074A2 Acoustic dialer
05/27/1998EP0843908A1 Transient voltage surge protection assembly for telecommunications lines
05/27/1998CN2282754Y Mobile telephone holder mounted to waist
05/27/1998CN1183176A Connection device for switching electrical signals
05/26/1998US5757805 Signaling information processing apparatus for use in an electronic switching system
05/26/1998US5757513 Signal discrimination circuit
05/26/1998US5757276 Communication port control system
05/26/1998US5755062 Portable structure for housing sensitive equipment and method of fabricating same
05/20/1998EP0842524A1 Coupling arrangement
05/20/1998EP0842523A1 Matrix-related jumpering arrangement
05/20/1998EP0774196B1 Service node for a telephony network
05/20/1998DE19711132C1 Application tool for applying i.p.c.d. conductors in communications-and data-technology modules
05/20/1998CN2282311Y Safety alarm with warning function
05/20/1998CN2282310Y Program control automatic instructure telephone device
05/20/1998CN2282309Y Volume increasing combined cable distributing box
05/20/1998CN2282308Y Distributing cabinet for telephont user line
05/20/1998CN1182520A Telephone exchange related main distribution arrangement
05/20/1998CN1182512A Universal demarcation point
05/20/1998CN1182296A 连接器 Connector
05/19/1998US5754643 Weatherable outside electronic device enclosure
05/19/1998CA2094412C Multi-frequency signal detector and classifier
05/13/1998EP0706723B1 Rear cross connect dsx system
05/13/1998CN1181861A Transmission system with improved tone detection
05/12/1998US5749476 Rack for a switching cabinet
05/07/1998WO1998019467A1 Load sharing group of service control points connected to a mediation point for traffic management control
05/07/1998WO1998019422A1 Computer network cross-connect panel providing physical layer monitoring
05/07/1998CA2270140A1 Computer network cross-connect panel providing physical layer monitoring
05/06/1998CN2281028Y Case-type protector
05/06/1998CN1181170A Transmission of voice-frequency signals in mobile telephone system
05/05/1998US5749067 Voice activity detector
05/05/1998US5748711 Telephone transaction processing as a part of call transport
05/05/1998US5748637 DTMF signaling on four-wire switched 56 KBPS lines
05/05/1998CA2081608C Distribution frame and optical connector holder combination
04/1998
04/30/1998WO1998018266A2 Telephone exchange
04/29/1998EP0838983A2 Electronic rack
04/28/1998US5745555 System and method using personal identification numbers and associated prompts for controlling unauthorized use of a security device and unauthorized access to a resource
04/23/1998DE19642953A1 Fernmeldevermittlungsanlage A telephone exchange
04/22/1998EP0837610A2 Improved interface card for use in a telecommunications network
04/21/1998US5740685 Security mechanism for a network interface unit
04/15/1998EP0836355A2 Establishment of a flexible rate interface link to restore channels from a failed communication link
04/15/1998EP0836354A2 Channel and data link automatic restoration
04/15/1998EP0835592A1 Main distribution board for a telecommunications facility
04/14/1998US5740169 Subscriber interface for a fiber optic communications terminal
04/14/1998US5739760 Method and system for remote supervisory control
04/09/1998DE19710000C1 Device for fixture of row of terminal strips
04/08/1998EP0835031A2 Method of controlling telecommunications signalling
04/08/1998EP0834965A2 Shielded housing for distribution assembly
04/02/1998WO1998013998A1 A system and method for providing shared resources to test platforms
04/02/1998WO1997049269A3 Portable structure for housing sensitive equipment and method of fabricating same
04/01/1998EP0833525A2 Method and device for decoding a sequence of signals
03/1998
03/31/1998US5734577 Adaptive IIR multitone detector
03/24/1998US5732133 System and method for selecting and generating telephone access numbers for limiting access to a telephone service
03/24/1998US5731546 Telecommunications cable management tray with a row of arcuate cable guide walls
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