Patents
Patents for H04Q 11 - Selecting arrangements for multiplex systems (43,004)
06/1994
06/07/1994US5319485 Wavelength-assignable optical communication system
06/07/1994US5319484 Photonic time-division multiplexer and demultiplexer
06/07/1994US5319360 ATM exchange which resequencies the cells using their sequence numbers
06/07/1994CA1330119C Method and facilities for hybrid packet switching
06/02/1994CA2110318A1 Dual connections
06/01/1994EP0598931A1 Method for the control of switched telephone connections, especially permanent switched telephone connections
06/01/1994EP0524965B1 Private telephone system with simplified command feature
05/1994
05/31/1994US5317630 Interface for a data telephone and data terminal in a digital telephone system
05/31/1994US5317570 System and method for learning transmission band of multiplex packet
05/31/1994US5317565 Method of sequencing bus operations in a simplex switch
05/31/1994US5317564 Merging network for collection of data from multi-computers
05/31/1994US5317563 Method of and system for monitoring packet rate in packet network
05/31/1994US5317562 Method and apparatus for routing cell messages using delay
05/31/1994US5317537 Multi-port memory device having precharged bit lines
05/31/1994US5317415 Data communication method using a plurality of lines
05/31/1994CA2110207A1 Method and device for detection and correction of errors in atm cell headers
05/31/1994CA2031055C Programmable multiplexing techniques for mapping a capacity domain into a time domain within a frame
05/31/1994CA2025632C Routing method and routing system for switching system having a plurality of paths
05/31/1994CA2022955C Customer definable integrated voice/data call transfer technique
05/31/1994CA2007312C Parallel time slot interchanger matrix and switch block module for use therewith
05/26/1994WO1994011976A1 Method and apparatus for aligning a digital communication data stream across a cell network
05/26/1994WO1994011975A1 Establishing telecommunications call paths in broadband communication networks
05/26/1994WO1994011974A1 Method and apparatus for preserving packet sequencing in a packet transmission system
05/26/1994WO1994011973A1 Identification of data packets
05/26/1994WO1994011972A1 A method and apparatus for estimating traffic in an asynchronous telecommunications network
05/26/1994DE4317951C1 Transmitting data packets in async. transfer mode - equalising propagation delays between transmission and reception of test packets over separate paths
05/26/1994DE4315420C1 Converting digital data streams with ATM cellular structure - using structure cell for temporary storage of structure data and test results in plesiochronous digital hierarchy frame
05/26/1994DE4315022C1 Digital TDM communications system - with spaced coupling fields coupled via intermediate adaptors within central module
05/25/1994EP0598671A2 Function distribution in a packet switched network
05/25/1994EP0598526A2 Telecommunication system with improved reconfiguration capability
05/25/1994EP0598485A2 Hierarchical path hunt for multirate connections
05/25/1994EP0598455A2 Transmission system for synchronous digital hierarchy
05/25/1994EP0598007A1 Method of communication.
05/24/1994US5315677 Optical pulse generator
05/24/1994US5315640 Data transfer device
05/24/1994US5315595 Packet mode method and concentrator arrangement for data terminals served by an ISDN
05/24/1994US5315594 Inter-network transport element of sonet overhead
05/24/1994US5315591 Method and apparatus for controlling congestion in packet switching networks
05/24/1994US5315588 Method of controlling frame-relay module, and high-speed switching system
05/24/1994US5315586 Resource reallocation for flow-enforced user traffic
05/24/1994US5315581 Hit-less protection switching method and apparatus for ATM transmission lines
05/24/1994US5315423 Wavelength multiplexed two dimensional image transmission through single mode optical fiber
05/24/1994CA2020240C Semi-automated operator assistance telecommunication calls
05/18/1994EP0597569A2 Communication system enabling external control of system terminals
05/18/1994EP0597487A2 Asynchronous transfer mode communication system
05/18/1994EP0597349A1 Method and arrangement for recovering plesiochrone signals transmitted in tributaries
05/18/1994EP0597204A2 Distributed data processing system using B,D and H ISDN channels
05/18/1994EP0555267A4 Sonet signal generating apparatus and method
05/18/1994CN1024623C Resource-decoupled architechure for telecommunication switching system
05/17/1994WO1994011971A1 Call reception control in atm network
05/17/1994US5313649 Switch queue structure for one-network parallel processor systems
05/17/1994US5313579 B-ISDN sequencer chip device
05/17/1994US5313467 Integrated communication link having a dynamically allocatable bandwidth and protocol for transmission of allocation information over the link
05/17/1994US5313462 Synchronism establishing method and apparatus
05/17/1994US5313459 Private branch exchange system and methods for operating same
05/17/1994US5313458 Traffic control system
05/17/1994US5313453 Asynchronous transfer mode channel testing apparatus
05/11/1994WO1994010809A1 Information transmission system
05/11/1994WO1994004007A3 Telecommunications switch architecture
05/11/1994EP0596698A2 Communication terminal apparatus and communication method
05/11/1994EP0596624A2 Bandwidth allocation, transmission scheduling, and congestion avoidance in broadband asynchronous transfer mode networks
05/11/1994EP0596296A2 Digital telecommunication exchange with connection possibility for one or more external computers
05/11/1994EP0596200A2 Improvements in to ATM signal processors
05/11/1994EP0596159A1 Policing device and policing method using same
05/11/1994EP0596158A1 Digital telephone set with a plurality of interconnected circuit modules
05/11/1994EP0595911A1 Basic rate interface.
05/10/1994US5311590 Method of operating a telecommunications terminal
05/10/1994US5311576 Adjunct processor embedded in a switching system
05/10/1994US5311574 Automatic customer call back for automatic call distribution systems
05/10/1994US5311569 System for delivering emergency information
05/10/1994US5311518 ISDN interface circuit and system using the same
05/10/1994US5311508 Apparatus for receiving and decoding a serial data packet containing the status of a network of single point I/O devices
05/10/1994US5311506 Switching network for switching channels
05/10/1994US5311456 Arrangement for finding a group of contiguous channels in a channel group
05/10/1994US5311345 Free space optical, growable packet switching arrangement
05/10/1994US5311344 Bidirectional lightwave transmission system
05/10/1994US5311171 For a digital loop carrier transmission system
05/10/1994CA2016638C Data communication bypass apparatus and method
05/06/1994CA2102455A1 Policing device and policing method using same
05/04/1994EP0594878A1 Passive optical telecommunication system
05/04/1994EP0594780A1 Modular, user programmable telecommunications system with distributed processing
05/03/1994US5309512 Call waiting deluxe feature
05/03/1994US5309511 Personal communication system
05/03/1994US5309442 ISDN terminal system
05/03/1994US5309440 ISDN user-network interface system
05/03/1994US5309438 ATM cell delay circuit for ISDN system
05/03/1994US5309434 Multi-media communication apparatus
05/03/1994US5309430 Telecommunication system
05/03/1994US5309395 Synchronous static random access memory
05/03/1994US5309266 Photonic switching matrix
05/03/1994CA2018698C Private branch exchange system with attendant console
05/03/1994CA1329249C Integrated services digital network module
04/1994
04/28/1994WO1994009603A1 Private branch exchange system and methods for operating same
04/28/1994WO1994009602A1 Optical switching matrix
04/28/1994WO1994009601A1 Optical transmission network with switching matrix
04/28/1994WO1994009576A1 A broadband virtual private network service and system
04/28/1994CA2146652A1 Private branch exchange system and methods for operating same
04/28/1994CA2124463A1 Optical transmission network with switching matrix
04/28/1994CA2117301A1 Optical switching matrix
04/27/1994EP0594356A2 Multirate, SONET-ready, switching arrangement