H04Q 11 - Selecting arrangements for multiplex systems

Patents for H04Q 11 - Selecting arrangements for multiplex systems (43,004)
10/1988
10/05/1988	EP0285331A2 Data link controller
10/05/1988	EP0285330A2 Data protocol controller
10/05/1988	EP0285329A2 Dual-port timing controller
10/05/1988	EP0285154A2 System for connecting a plurality of terminals to a network-connecting equipment in a broadband network
10/04/1988	US4775210 Voice and data distribution system with fiber optic multinode star network
09/1988
09/28/1988	EP0284534A1 Switching system for hybrid time-division multiplexes
09/28/1988	EP0283596A1 Convertible switched telephone exchange
09/27/1988	US4774705 Switch matrix with acoustic delay for TDMA signal storage on-board a satellite
09/27/1988	US4774704 Interface circuit for connecting a digital equipment to a time multiplex link
09/22/1988	WO1988007313A2 Improvements in electro optical switch architectures
09/22/1988	WO1988007299A1 Switching arrangement
09/22/1988	DE3707894A1 Hand-held unit for testing telecommunications line systems
09/21/1988	EP0283296A2 Signal switching system
09/21/1988	CN88101769A Synchronisation arrangements for digital telecommunications exchange system
09/21/1988	CN88100334A Digital circuit exchange and diriding group exchange network and exchange equipment thereof
09/20/1988	US4773065 Communication network system
09/14/1988	EP0282229A2 Synchronisation arrangements for a digital telecommunications exchange system
09/14/1988	EP0282197A2 A digital telephone switching system having a message switch with address translation
09/14/1988	EP0282158A2 Communication system
09/14/1988	EP0282071A2 Optical switching system
09/14/1988	EP0281888A2 Circuit arrangement for the subscriber line circuits of a digital time division multiplex telecommunication exchange
09/14/1988	EP0281758A1 Digital interface for an integrated subscriber terminal unit
09/13/1988	US4771425 Synchoronous packet voice/data communication system
09/13/1988	US4771422 Priority user protection in multiple priority switching systems
09/13/1988	US4771420 Time slot interchange digital switched matrix
09/13/1988	US4771419 Method of and switch for switching information
09/13/1988	US4771418 Time-slot assigner multiplexer
09/13/1988	CA1242039A1 Interface channel unit
09/13/1988	CA1241996A1 Self-routing switch node combining electronic and photonic switching
09/08/1988	DE3706406A1 Device for simulating telephone sets or ancillary devices operating according to the ISDN system
09/07/1988	WO1988006831A1 Rearrangeable multiconnection switching network
09/07/1988	EP0281099A2 Method for managing logical channels for ISDN packet service
09/07/1988	EP0280955A2 Circuit arrangement for connecting subscriber devices to a communication network
09/07/1988	EP0280953A1 Circuit arrangement for the transmission of message signals between subscriber devices and a telecommunication network
09/07/1988	EP0280895A1 Digital interface between at least two subscriber terminal units and a processing unit
09/07/1988	CN88100917A Wideband/multislot switching apparatus
09/06/1988	US4769833 Wideband switching system
09/06/1988	US4769809 Method of and circuit arrangement for through-switching broadband digital signals without phase jump in a synchronous broadband communication network
08/1988
08/31/1988	EP0280172A2 Digital device for generating PCM signals, in particular for digital telephone, data processing or image processing systems
08/31/1988	EP0280171A2 Digital interface device for PCM data, in particular for digital telephone, data processing or image processing system
08/31/1988	EP0280090A1 Coupling arrangement for multistage coupling fields in telecommunication exchanges, especially time division multiplex telephone exchanges with coupling multiples and interconnection lines which interconnect these multiples from coupling stage to coupling stage
08/30/1988	US4768188 Optical demand assigned local loop communication system
08/30/1988	CA1241464A1 Digital signal-channel distributor
08/24/1988	EP0279571A1 A wideband/multislot switching arrangement
08/24/1988	EP0279355A2 A remote maintenance system for a digital communication network
08/24/1988	EP0200721B1 Arrangement for communication between equipment belonging to different network architectures
08/24/1988	EP0164406B1 Fast circuit switching system
08/23/1988	US4766596 Method and circuit arrangement for the transmission of data signals between control devices connected to one another via a loop system
08/23/1988	US4766594 Digital network system having arrangement for testing digital subscriber line
08/23/1988	CA1241098A1 Arrangement for controlling switched speech or data communication in a communications exchange
08/17/1988	EP0278289A2 Testing device for a broadband switching network
08/16/1988	US4764921 Method of multiplexing digital signals
08/16/1988	US4764918 Telecommunication switching system
08/10/1988	CN87107775A Line condition data collection system in telephone exchange
08/09/1988	US4763321 Dynamic bandwidth allocation mechanism between circuit slots and packet bit stream in a communication network
08/09/1988	US4763317 Digital communication network architecture for providing universal information services
08/09/1988	US4763316 Circuit arrangement for centrally controlled time division multiplex telecommunication exchange facilities
08/03/1988	EP0276776A2 Digital switching network for circuit and packet switching, and switching matrix element therefor
08/03/1988	EP0276349A1 Apparatus for switching information between channels for synchronous information traffic and asynchronous data packets
08/03/1988	EP0276296A1 Current-limiting circuit.
08/02/1988	US4761799 Time-locking method for stations which form part of a local star network, and local star network for performing the time-locking method
08/02/1988	US4761779 Subscriber's line switching control system
07/1988
07/27/1988	EP0275964A2 Method for the conversion of utility data in services-integrated communication exchangers
07/27/1988	EP0275743A1 Equipment for digital multiplexing and demultiplexing of packets with different lengths
07/26/1988	US4760395 Arrangement for communications between equipment belonging to different network architectures
07/26/1988	CA1239712A1 Conference circuit for digital communication systems
07/20/1988	EP0274800A1 Multistage switching system for switching N1 input channels to N2 output channels
07/20/1988	EP0274653A2 Method for diagnosing and testing an interface unit
07/19/1988	US4759059 Analog telephone circuit for digital telephone system
07/19/1988	US4759056 Personal-servicing communication system
07/19/1988	US4759017 Telecommunications exchange allocating variable channel bandwidth
07/19/1988	US4759012 Time division switching system
07/19/1988	US4759010 Time switch with a dual memory structure-type control memory
07/14/1988	WO1988005233A1 Optical communications network
07/14/1988	DE3641561C1 Circuit arrangement for switching PCM channels
07/12/1988	US4757529 Call distribution arrangement
07/12/1988	US4757526 Signal transfer arrangement
07/12/1988	US4757521 Synchronization method and apparatus for a telephone switching system
07/12/1988	CA1239213A1 Telephone system port communication method and apparatus
07/06/1988	EP0273249A2 Fault tolerant switch with selectable operating modes
07/06/1988	CN85109286B Multi-purpose speech-sound/data system
07/05/1988	US4756018 Multiple access communication system having loop-check circuitry for switching intraoffice connections
07/05/1988	US4755995 Program update in duplicated switching systems
07/05/1988	US4755992 Transparent packet access over d-channel of ISDN
07/05/1988	US4755985 Method and apparatus for facilitating moves and changes in a communication system
07/05/1988	CA1238968A1 Communication switching system
06/1988
06/30/1988	DE3643838A1 Speech recognition device for integrated services communications systems, in particular telephone switching systems
06/30/1988	DE3643614A1 Modular-design communications system
06/29/1988	EP0272939A2 Dynamic buffer supervising system for a data link access protocol control
06/29/1988	EP0272513A2 Method for testing an interface unit
06/28/1988	US4754478 Method of adding additional subscribers and signals to existing connection
06/28/1988	US4754454 Synchronization circuitry for duplex digital span equipment
06/28/1988	US4754452 Optical local area network using a common optical carrier with separate user angle modulation
06/28/1988	US4754273 System for controlling network activation sequence
06/28/1988	CA1238735A1 Method and apparatus for sharing operators among assistance systems
06/23/1988	DE3643768A1 Device for detecting superframes in time-division multiplex signals
06/22/1988	EP0272171A1 Digital signals transmission circuit for a telephone network
06/22/1988	EP0271955A2 Circuit for the synchronization of devices in exchange and amplifier stations in a time division transmission system
06/21/1988	US4752924 Data communication network
06/21/1988	US4752777 Delta network of a cross-point switch

1 ... 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 ... 431