Patents
Patents for H04Q 11 - Selecting arrangements for multiplex systems (43,004)
02/1995
02/09/1995DE4326212A1 Coupling arrangement for signals which are to be transmitted on carrier frequencies
02/08/1995EP0637416A1 Method and apparatus for preserving packet sequencing in a packet transmission system
02/08/1995EP0637414A1 Synchronization of sdh signals
02/07/1995US5388238 System and method for monitoring the validity of circulating pointers in a FIFO memory
02/07/1995US5388096 Distributed circuit switch having switch memory and control memory
02/07/1995US5387927 Method and apparatus for broadband transmission from a central office to a number of subscribers
02/07/1995CA2051070C Isdn d channel congestion control method
02/07/1995CA2048679C Communications network
02/07/1995CA2029821C Network node interface of a digital communication system
02/07/1995CA1334303C Digital key telephone system
02/02/1995WO1995003657A1 Atm exchange
02/01/1995EP0637186A1 Systems and multiplexers for the allocation of time intervals
02/01/1995EP0637185A2 Radiocommunication system
02/01/1995EP0637184A2 Maintenance of a TDM switching network
02/01/1995EP0637183A2 Network with digital and analogue outputs
02/01/1995EP0637182A2 A self-routing optical communication node using Sagnac gates
02/01/1995EP0637154A2 Control architecture for atm networks
02/01/1995EP0637149A2 Method and apparatus for providing multicast virtual circuits
02/01/1995EP0637013A1 Process and apparatus for outputting of digital-speech-signals
02/01/1995EP0577653B1 Process for finding the transmission properties of an electric line
02/01/1995EP0383931B1 Method of automatically editing data for controlling a processor that carries out distributed control and a system using the same
02/01/1995CN1098236A Apparatus and method for supporting a line group apparatus remote from a line unit
01/1995
01/31/1995US5386467 Intelligent network communication system
01/31/1995US5386418 Method for synchronizing synchronous data communication network and communication device used in the synchronous data communication network
01/31/1995US5386415 Packet communiction method and packet communication apparatus
01/31/1995US5386414 Method and apparatus for distributing data traffic among the trunks connecting communication switches
01/28/1995CA2128767A1 Control architecture for atm networks
01/26/1995WO1995002951A1 Serial bit rate converter for a tdm switching matrix
01/26/1995DE4324201A1 Circuit arrangement for an intermediate adapter to connect parts of a communication system
01/25/1995EP0635991A1 Asynchronous detection of a serially transmitted optical binary word
01/25/1995EP0635987A2 Private branch exchange and line card to be used in such a private branch exchange
01/25/1995EP0635185A1 Method of structuring a b-field format in a dect-standard system
01/25/1995EP0635180A1 Optical processing system
01/25/1995EP0634991A1 Surface modified particles and method of making the same
01/24/1995US5384823 Telecommunications switch with integral feature installation capability
01/24/1995US5384806 Modem with time-invariant echo path
01/24/1995US5384774 Asynchronous transfer mode (ATM) payload synchronizer
01/24/1995US5384773 Multi-media analog/digital/optical switching apparatus
01/24/1995US5384771 Multimedia call configuration system
01/24/1995US5384766 LAN management system in electronic switching apparatus
01/24/1995CA2108381C Telephone agent call management system
01/19/1995DE4323704A1 Circuit arrangement of an interface for switching system controllers interconnected via a parallel bus system
01/18/1995EP0634880A1 Time-division multiplex switching network and time switch
01/18/1995EP0634879A2 Arrangement and method for handling data structures during their flow through a network node
01/18/1995EP0634075A1 Adaptive video file server and methods for its use
01/18/1995CN1097535A Controlled access atm switch
01/17/1995US5383203 Compact device for correcting a header error in ATM cells
01/17/1995US5383196 SONET signal generating apparatus and method
01/17/1995US5383183 Data communication equipment
01/17/1995US5383181 Packet switching system capable of reducing a delay time for each packet
01/17/1995US5383180 Circuit pack for digital loop carrier tranmission systems
01/17/1995US5383177 Packet switching testing method and apparatus
01/17/1995US5383046 Supervisory and control signal transmitting system for use in optically amplifying repeaters system
01/17/1995US5383045 Code word recognition unit and use thereof
01/17/1995CA2049182C Traffic shaping method and circuit
01/17/1995CA2022872C Customer programmable automated integrated voice/data technique for communication systems
01/17/1995CA2001068C Method for transmitting data on the internal bus of a workstation, internal bus device implementing said method and matching circuit for said internal bus
01/14/1995CA2127831A1 Method of controlling access to a buffer as well as apparatus for temporarily storing data packets and exchange with such apparatus
01/12/1995WO1995001708A1 Process for shaping and analysing data component oriented signalling messages in communications equipment
01/12/1995WO1995001683A1 Method and apparatus for detecting cyclic code
01/12/1995WO1995001602A1 Broadband intelligent telecommunications network and method employing a resource system to support network services
01/11/1995EP0633708A1 Switching network for a digital time division multiplex telephone exchange
01/11/1995EP0633707A1 Remotely controlled communications system with a transmission module
01/11/1995EP0633706A2 Optical packet synchronization circuit
01/11/1995EP0632945A1 Packet reassembly method and apparatus
01/11/1995EP0632942A1 Process for allotting transmission time slots in a passive optical network.
01/10/1995US5381527 System for efficient message distribution by succesively selecting and converting to an alternate distribution media indicated in a priority table upon preferred media failure
01/10/1995US5381468 Telephone exchange including less display elements than channels
01/10/1995US5381415 Call collision sidestep system for two-way simultaneous calls in an ISDN network
01/10/1995US5381411 Apparatus for controlling ATM cell generation rate
01/10/1995US5381409 Method and installation for switching packets
01/10/1995US5381408 Packet transmission system
01/10/1995US5381407 Method and system for controlling user traffic to a fast packet switching system
01/10/1995US5381406 Time switching circuit
01/10/1995US5381240 Communication apparatus
01/10/1995CA2053441C Switching system using identical switching nodes
01/10/1995CA1333925C Communication system for forming different networks on the same ring transmission line
01/08/1995CA2116254A1 Optical packet synchronization circuit
01/05/1995WO1995001076A1 Bandwidth and congestion control for queue channels in a cell switching communication controller
01/05/1995WO1995001036A1 Option bus adapter for use with a digital telephone
01/05/1995WO1995001022A1 Arrangement for defining a transmission delay in a subscriber network
01/05/1995WO1995001019A1 Subscriber network arrangement for accession of subscribers to a telephone network
01/05/1995WO1994027387A3 Multiplex formats for atm
01/04/1995EP0632673A2 Multimedia resource reservation system
01/04/1995EP0632672A2 System and method for bandwidth reservation for different traffic classes
01/04/1995EP0632671A2 Method and apparatus for reserving system resources to ensure quality of service
01/04/1995EP0632670A2 Method of controlling parameter downloading from a communication switching system to customer stations
01/04/1995EP0632669A1 Communication system including ATM network and demultiplexer
01/04/1995EP0632634A2 Method and module for permitting the test of a digital telephone exchange
01/04/1995EP0632622A1 Method of temporally spacing cell transmissions belonging to messages and apparatus for carrying out the method
01/04/1995EP0631706A1 Methods and devices for prioritizing in handling buffers in packet networks
01/04/1995EP0631705A1 A method of grouping links in a packet switch
01/04/1995EP0631704A1 Device and method for adaptively adjusting loading capacity for a node in a packetized communication system
01/03/1995US5379441 Homebus system for permitting homebus equipment and ISDN basic interface equipment to use same twisted pair line homebus
01/03/1995US5379307 System for detecting failure in dual bus user network
01/03/1995US5379298 Multimedia multiplexer device having automatic parameter recognizing and setting function, and communications systems including multimedia multiplexer devices
01/03/1995US5379297 Concurrent multi-channel segmentation and reassembly processors for asynchronous transfer mode
01/03/1995US5379295 Cross-connect system for asynchronous transfer mode
01/03/1995US5379293 Voice packet assembling/disassembling apparatus
01/03/1995US5379280 Conferencing system for distributed switching network