Patents
Patents for H04Q 1 - Details of selecting apparatus or arrangements (11,745)
05/1997
05/21/1997EP0774197A1 Switching in a telecommunications service node
05/21/1997EP0774196A1 Service node for a telephony network
05/21/1997EP0774189A1 Method and apparatus for securing data communication
05/21/1997CN2254608Y Box movable telephone exchange
05/21/1997CA2186794A1 Automatic dialing mode selection
05/20/1997US5631956 High density telephone network interface unit
05/15/1997WO1997017783A1 Traffic measurement in a communication system
05/15/1997DE19629521A1 Matrix circuit board for selective telephone line connections
05/15/1997DE19623470A1 Automatic power distribution device for subscriber telephone lines
05/15/1997DE19614066C1 Pivotable flush-mounted house door security paging station
05/14/1997CN2254254Y Integral installation front operation clamp-down type protector for central distribution frame for telephone
05/14/1997CN1149807A Matrix patch board, wiring plug and its producing method
05/14/1997CN1149771A Terminating device for telecommunication and data technology
05/07/1997DE19546779C1 Basic element with spaces for plugs especially for distribution frame
05/07/1997CN1149373A Voice enhancement system and method
05/06/1997US5627539 Bidirectional signalling mechanism for interfacing computing devices to the analog telephone network
05/02/1997EP0771052A2 Telephone line connector
05/02/1997EP0770311A2 Transmission system with improved tone detection
05/02/1997EP0770310A2 Transmission system with improved tone detection
05/02/1997EP0427800B1 Interlock circuit for preventing corruption of telephone line signals
05/01/1997WO1997016036A1 An intermediate coupling device in a telecommunication system
05/01/1997CA2235814A1 An intermediate coupling device in a telecommunication system
04/1997
04/30/1997CN1148924A Network termination equipment
04/29/1997US5625686 Customer-accessible test port for network interface device
04/29/1997US5624276 Securing and contacting adapter for a connector block
04/29/1997US5624267 Cross-connect bus
04/23/1997EP0769229A2 Universal demarcation point
04/23/1997EP0769215A1 Method of switching over telecommunications cables without interruption, and switch over plug for use in the method
04/23/1997CN1148317A Self-locking apparatus of rack for communication/transmission system
04/22/1997US5623542 Combination telephone network interface and cable television apparatus and cable television module
04/22/1997US5622516 Insulation displacement terminal with two-wire insertion capability
04/16/1997EP0768802A1 Automatic mdf apparatus
04/16/1997CN2252465Y Fuse overcurrent protector for distributing equipment
04/16/1997CN2252390Y Distribution equipment over current protector
04/16/1997CN1147649A Distributed processing method for checking status of processor in electronic switching system
04/10/1997WO1997013186A1 Device for the operation of appliances, utilities and services within a building
04/09/1997EP0767592A2 Weatherable outside electronic device enclosure
04/09/1997EP0676122B1 Cabinet structure, having variable size, for electric and/or electronic equipments
04/09/1997CN1034537C Improved cross connect system for telecommunication systems
04/08/1997US5619565 Voice activity detection method and apparatus using the same
04/08/1997US5619564 Tone detector with improved performance in the presence of speech
04/03/1997WO1997012471A1 Method and system for transferring data between a mobile and a stationary group of persons
04/03/1997WO1997012467A1 Method and system for rapidly generating and transmitting a character sequence using voice frequencies
04/03/1997WO1997012423A1 Modular terminal block assembly
04/03/1997WO1997012418A2 Contact component for a distributor in a telecommunication facility
04/03/1997WO1997012361A1 Telephone network service for converting speech to touch-tones
04/03/1997DE19536224A1 Plug for distributor in telecommunication appts.
04/03/1997CA2231826A1 Method and system for the high-speed generation and transmission of a sequence of characters by means of voice frequencies
04/02/1997EP0766484A2 Connection device for the telecommunication and data technology
04/02/1997EP0766482A2 Distribution device for the telecommuncation and data technology
04/02/1997EP0712542A4 Wiring distribution frame
04/02/1997CN1146843A Test port for network interface device module
03/1997
03/30/1997CA2186711A1 Automatic re-arrangement and distribution device for telecommunication and data lines
03/30/1997CA2185765A1 Termination device for telecommunications and data transmission
03/26/1997EP0765091A2 Module multiple terminal block for cable connections of a main distributing frame of telephone and data lines
03/25/1997US5615255 Method and apparatus for measuring loads in a common channel signalling link
03/22/1997CA2185172A1 Modular multiple terminal block for cable connections to a main distributing frame for telecommunication and data lines
03/20/1997WO1997010666A1 Line testing in a telecommunications network
03/20/1997WO1997007622A3 Process and device for recognising selection pulses during a telephone conversation
03/20/1997DE19636198A1 Telefon- und Datenkommunikationsleitungs-Konditionierungsanordnung Telephone and data communication line conditioning assembly
03/19/1997EP0763956A1 Sensing circuit
03/19/1997CA2184295A1 Sensing circuit
03/18/1997US5612617 Frequency detection circuit
03/18/1997CA2112767C Tone-detecting method for detecting at least one tone in a dual-tone multifrequency signal, call-progress method using the same
03/18/1997CA2008518C Line concentration system
03/12/1997CN1144980A Moutning of protectors in connector blocks
03/11/1997US5610978 Ring discriminator
03/11/1997US5610912 Switching in a telecommunications service node
03/06/1997DE19537529C1 Distributor strip for telecommunication and data technology
03/05/1997EP0546173B1 Tone receiver comprising a switch capacitor zero crossing detector
03/05/1997CN2248930Y Blocking-in type wire connecting means
03/04/1997CA2056707C Protection casing against electromagnetic disturbances for electrical connection device
02/1997
02/27/1997WO1997007622A2 Process and device for recognising selection pulses during a telephone conversation
02/27/1997WO1997007569A1 Transient voltage surge protection assembly for telecommunications lines
02/26/1997CN2248377Y Thermistor overcurrent protecting plug
02/25/1997US5606606 Combination telephone network interface and cable television apparatus and cable television module
02/25/1997US5606489 Ganged IROB in range out of building protector
02/20/1997WO1997006547A1 Coupling arrangement
02/20/1997WO1997006546A1 Matrix-related jumpering arrangement
02/20/1997DE19531829A1 Verfahren und Vorrichtung zur Impulswahlerkennung bei bestehender Gesprächsverbindung Method and apparatus for pulse dialing detection with existing call connection
02/18/1997US5604793 Tone blocking using variable delay buffer
02/12/1997CN1142696A Insulation displacement terminal with two-wire insertion capability
02/11/1997US5602723 Subrack device
02/11/1997US5602532 Audio coupled annunciating system for electrical panel boxes
02/11/1997US5601460 Gel filled modular electrical connecting block
02/05/1997EP0715773A4 Cross-connect system
02/05/1997CN2246878Y User board of programmed digital switchboard
02/05/1997CN1142268A High-density optical-fiber distribution frame
02/04/1997US5600746 Patch panel and collar for optical fiber couplers
02/04/1997US5600717 Combination telephone network interface and cable television apparatus and cable television module
02/04/1997US5600716 Customer-accessible test port for network interface device
02/04/1997US5599191 Patch panel providing 50-pin connectors
02/04/1997US5599190 Communication wiring system including a reconfigurable outlet assembly
02/04/1997CA2081535C Method and apparatus for detecting control signals
02/04/1997CA2029053C Fault tolerant interconnection networks
01/1997
01/29/1997EP0680666A4 Gel filled modular electrical connecting block.
01/29/1997CN1141520A Connector modules
01/29/1997CN1141519A Connector module with test and jumper access
01/28/1997US5598455 Alarm and test system for a digital added main line
01/22/1997EP0755095A2 Coaxial cable plug
1 ... 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 ... 118