Patents
Patents for H04J 3 - Time-division multiplex systems (63,408)
11/1994
11/22/1994US5367536 Parallel transmission of TDMA sync and data bursts by artificial frequency selective fade and decision feedback equalization
11/22/1994US5367524 Method for sequential data transmission
11/22/1994US5367522 Multimedia communicating apparatus
11/22/1994US5367519 Multiple access communication system capable of deciding a connection route among a central station, repeater stations, and terminal stations
11/22/1994CA2019935C Output waveform control circuit
11/17/1994EP0624983A2 Synchronization arrangement for a compressed video signal
11/17/1994EP0624982A2 Clock apparatus for a compressed video signal
11/17/1994DE4408852C1 Method for providing a frame clock and an arrangement and use
11/17/1994DE4316225A1 Method and arrangement for the interference-free clock recovery for digital signals having a constant bitrate at the receiving end
11/15/1994US5365519 ATM switch1ng system connectable to I/O links having different transmission rates
11/15/1994US5365518 Sonet overhead server
11/15/1994US5365510 Communications system with a single protection loop
11/15/1994US5365272 Method for formatting compressed video data into transport cells
11/15/1994CA2014259C Synchronizing continuous bit stream oriented terminals in a communications network
11/10/1994WO1994026032A1 Digital controlled xtal osc
11/10/1994CA2159189A1 Digital controlled xtal osc
11/09/1994EP0624010A1 An electrooptical line module for transmitting in level-1 synchronous digital hierachy with synchronizing unit
11/09/1994CN1094877A Improvements relating to telecommunication transmission systems
11/08/1994US5363417 Clock slip counting process and apparatus
11/08/1994US5363404 Apparatus and method for conveying information in a communication network
11/08/1994US5363378 Channel data transmission system
11/08/1994US5363376 Method and apparatus for synchronizing timing among radio ports in wireless communications systems
11/08/1994US5363375 Method and apparatus for synchronizing timing among radio ports in wireless communications systems using hierarchical scheme
11/08/1994US5363374 Method for allocating resources by anticipated reservation in an integrated service satellite network
11/08/1994US5363370 Multirate digital multiplexing demultiplexing method and device
11/08/1994CA2027693C Multiplexer and demultiplexer, particularly for information transmission networks with a synchronous hierarchy of the digital signals
11/02/1994EP0622958A2 Real-time data transmitter and receiver
11/02/1994EP0622926A2 Extended range enhanced skew controller
11/02/1994EP0622919A1 Interface device for format conversion
11/02/1994EP0622918A2 Method and apparatus for adaptive clock recovery
11/02/1994EP0621998A1 Method and apparatus for the formatting of data for transmission.
11/01/1994US5361263 Transmission system for the synchronous digital hierarchy
11/01/1994US5361253 ATM policing function with autonomous reference time instants
11/01/1994CA2024809C Digital signal multiplexing apparatus and demultiplexing apparatus
10/1994
10/31/1994CA2122535A1 Interface conversion device
10/27/1994WO1994024793A1 Composite clock signal
10/27/1994WO1994024790A1 Synchronous optical digital transmission system and method
10/27/1994WO1994024787A1 Process for converting digital data flows with atm cell structure
10/27/1994WO1994024786A1 Layer 2 protocol for the random access channel and the access response channel
10/27/1994CA2160770A1 Synchronous optical digital transmission system and method
10/27/1994CA2160570A1 A conversion procedure for digital data streams in atm cell structure
10/27/1994CA2159212A1 Global video communications system
10/27/1994CA2159190A1 Composite clock signal
10/26/1994EP0621708A2 An adaptive medium access control scheme for wireless LAN
10/26/1994EP0621685A1 RF-amplifier with level control and radio transmitter including the same
10/26/1994EP0620959A1 Frequency synchronized bidirectional radio system
10/26/1994CN1094206A Data bus luterface apparatus
10/26/1994CN1094205A Error-correcting tandem encoding system
10/25/1994US5359605 Circuit arrangement for adjusting the bit rates of two signals
10/25/1994US5359604 Input-output signal control apparatus
10/25/1994US5359602 Data communications system for use in a digital data network
10/25/1994US5359145 Time-divisional data register
10/23/1994CA2121018A1 Rf amplifier with signal-level control, and radio transmitter equipped therewith
10/19/1994EP0620663A2 Method for synchronisation of digital data transmission
10/19/1994EP0620662A1 Processing, serializing and synchronizing device
10/19/1994EP0529012B1 Method of and circuit for synchronizing data
10/18/1994US5357542 Repeater station wherein input frame data are accessible
10/18/1994US5357531 Transmitter
10/18/1994US5357516 Apparatus for use in time division multiplexed communication systems
10/18/1994US5357515 Non-interruption transmission line switching system in a duplex transmission network
10/18/1994US5357514 Distributed bit-by-bit destuffing circuit for byte-stuffed multiframe data
10/18/1994US5357513 Transmission power level adjustment in radio telephony
10/18/1994US5357491 Clock selection control device
10/18/1994US5357360 Optical data network having adjustable delays for switching over to backup unit
10/18/1994US5357249 Apparatus and method for high speed flexible multiplexing for fiber optic data transmissions
10/18/1994CA1332627C Jitter control in digital communications links
10/15/1994CA2120959A1 Method for the digital transmission of data
10/13/1994WO1994023508A1 A home and small business phone system for operation on a single internal twisted pair line
10/13/1994WO1994018776A3 Multimedia distribution system
10/13/1994DE4311552A1 In-service monitoring of optical transmission devices
10/12/1994EP0619664A2 Random access satellite communication system using random numbers generated in a range variable with channel traffic
10/12/1994EP0538277B1 Highly reliable optical data system
10/12/1994EP0526465B1 Stuffing process and device for reducing waiting time jitter
10/11/1994US5355515 Method and apparatus for estimating initial time alignment in a cellular communications network
10/11/1994US5355368 Method for allocating time slots for transmission in a half-duplex time division multiple access point-to-multipoint bidirectional transmission network
10/11/1994US5355363 Voice transmission method and apparatus in duplex radio system
10/11/1994US5355362 Digital loop carrier system
10/11/1994US5355238 Method and apparatus for the monitoring and demarcation of synchronous optical networks
10/11/1994CA2050656C Digital data radio transmission system
10/11/1994CA1332476C Remote supervisory and controlling system
10/11/1994CA1332453C Technique for improved subjective performance in a communication system using attenuated noise-fill
10/06/1994DE4405461C1 Calibration of TDMA systems including a passive optical network
10/05/1994EP0618749A1 Apparatus and system for information multiplexing in ATM network
10/05/1994EP0618748A1 Apparatus and system for information multiplexing in ATM network
10/05/1994EP0618706A2 Statistical gain using ATM signalling
10/05/1994EP0618694A2 Method for synchronisation of travel time and clock phase of digital signals
10/05/1994EP0617877A1 A uniswitch comprising a plurality of units which are distributed locally and which are connected by means of physical links
10/05/1994EP0617867A1 Controllable multiplexer for a digital switch
10/05/1994EP0617866A1 Apparatus and method for formatting variable length data packets for a transmission network
10/05/1994CN1093211A An operations center for a television program packaging and delivery system
10/04/1994US5353313 Transmission of a clock signal over an asynchronous data channel
10/04/1994US5353285 Time slot management system
10/04/1994US5353143 Optical receiver
10/04/1994CA2033572C Digital cross connection apparatus
10/04/1994CA2009234C Base station emulator
09/1994
09/29/1994WO1994022273A1 A signal transmission system
09/29/1994WO1994022272A1 Switching equipment arrangement
09/29/1994WO1994022251A1 Method for synchronizing interconnected sdh and pdh telecommunications networks
09/29/1994WO1994022250A1 Method for controlling conditional connections in a telecommunications system
09/29/1994WO1994022249A1 Method for controlling conditional connections in a synchronous digital telecommunications system