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