Patents
Sitemap › H04 - Electric communication technique › H04J - Multiplex communication › H04J 3 - Time-division multiplex systems
Patents for H04J 3 - Time-division multiplex systems (63,408)
11/1993
11/23/1993US5265089 Digital multiplex communication system
11/23/1993CA1324691C Predictive agc in tdm systems
11/18/1993EP0570210A2 System for controlling frequency multiplexing modems
11/18/1993DE4216265A1 Telecommunication signal transmission system - transmits signals between several subscribers terminals and central telephone exchange in both directions
11/18/1993DE4215380A1 Synchronisation system for local clocks with automation modules - performs synchronisation operation when difference between local unit and central unit is less than transmission and processing time of central unit
11/16/1993US5263057 Method of reducing waiting time jitter
11/16/1993US5263056 Justification decision circuit for an arrangement for bit rate adjustment
11/16/1993US5263028 Frame transfer device for a fixed format frame transmission network
11/16/1993US5263027 Multiplex transmitter-receiver system
11/16/1993US5263025 Communication system and equipment
11/11/1993WO1993022886A1 A method and a cross-connection architecture for error-free change-over of a cross-connection matrix
11/11/1993WO1993022858A1 Cross-connection architecture for sdh-signals comprising time- and space division switch groups
11/11/1993WO1993022856A1 Synchronization of sdh signals
11/11/1993WO1993022852A1 Transfer of sdh overhead information
11/11/1993WO1993022850A1 A method of increasing interference diversity in an fdma/tdma-based cellular system and cellular system
11/11/1993DE4315260A1 Multichannel multiplex data transmission controller with status memory - has branching signal lines for connecting peripheral memory to transmission processor with software-implemented upper transmission layer.
11/10/1993EP0568778A2 Call processing using logical channel assignments
11/10/1993EP0568659A1 Method of assigning a voice/data channel or a temporary control channel
11/09/1993US5261118 Simulcast synchronization and equalization system and method therefor
11/09/1993US5260978 Synchronous residual time stamp for timing recovery in a broadband network
11/09/1993US5260977 Communication terminal equipment
11/09/1993US5260973 For processing a baseband input signal and carrier signal
11/09/1993US5260951 Digital data communication system
11/09/1993US5260940 Circuit arrangement for bit rate adaptation
11/09/1993US5260937 Power conserving technique for a communications terminal time slot interchanger
11/09/1993CA2072898C Flexible interface system for interfacing different complements of port circuits to a pcm telephony switching system
11/09/1993CA1324204C Communication system
11/03/1993EP0568429A1 Regenerator for digital framed signals, useful in particular in digital transmission equipment for radio waves
11/03/1993EP0568046A2 Image coding/decoding apparatus
11/03/1993EP0567546A1 Amplitude control of a burst signal in a receiver
11/02/1993US5259027 Dial restoral method for digital circuits
11/02/1993US5259005 Apparatus for and method of synchronizing a clock signal
11/02/1993US5258995 Wireless communication system
11/02/1993CA2021688C Phase matching circuit
11/02/1993CA1323918C Communication processor for a packet-switched network
10/1993
10/29/1993CA2094994A1 Frame digital signal regenerator, particularly for a microwave digital communications installation
10/27/1993EP0343189B1 Tdma communications system with adaptive equalization
10/27/1993CN1077828A Voice transmission method and apparatus in duplex radio system
10/26/1993US5257404 Simulcast synchronization and equalization system and method therefor
10/26/1993US5257398 Hopped-carrier dynamic frequency reuse
10/26/1993US5257265 Method and apparatus for reducing multipath distortion
10/26/1993US5257262 DCME unit capable of processing a wide variety of input information signals
10/26/1993US5257261 Methods and apparatus for concatenating a plurality of lower level SONET signals into higher level sonet signals
10/26/1993CA1323675C Digital frame synchronizer
10/20/1993EP0565890A2 Method and system for the transmission of a data signal in a VC-12-container in transmission channels
10/20/1993EP0565739A1 Procedure for the allocation of timeslots in a passive optical network
10/19/1993US5255340 Method for detecting voice presence on a communication line
10/19/1993US5255293 Phase locked loop arrangement
10/19/1993US5255292 to prevent false-locking and accelerate acquisition
10/19/1993US5255291 Microprocessor based packet isochronous clocking transmission system and method
10/19/1993CA2032597C Method of processing the signalling information within configurable multiplexers
10/19/1993CA2006102C Communication switching system
10/19/1993CA2004030C Spectrally efficient tdm duplex communication system
10/19/1993CA2002603C Energy saving protocol for a tdm radio
10/19/1993CA1323457C Pcm communication system
10/14/1993WO1993020635A1 Network interfacing method and a network interface for a digital transmission network
10/14/1993WO1993020627A1 Demultiplexer synchroniser
10/14/1993CA2132635A1 Demultiplexer synchroniser
10/13/1993EP0565472A2 Method and apparatus for sharing a telecommunications channel among multiple users
10/13/1993EP0565305A1 Transmission of a clock signal over an asynchronous data channel
10/13/1993EP0565203A2 Multiplexer for time slot data
10/13/1993EP0565046A2 TDMA network and protocol for reader-transponder communications and method
10/13/1993EP0564627A1 Method for handling data transmission frames of variable length with a channel controller and for writing them to a cyclic buffer memory.
10/12/1993US5253273 ISDN "S" signal detection and display apparatus
10/12/1993US5253254 Telecommunications system with arbitrary alignment parallel framer
10/12/1993US5253252 Token device for distributed time scheduling in a data processing system
10/12/1993US5253250 Routing and switching of high-speed optical data with the header transmitted on a subcarrier frequency
10/12/1993US5253057 Multiplexed transmission system of image data from two or more sources wherein thinning rates are adaptively allocated to respective sources
10/12/1993CA2004023C Tdm quasi-duplex system
10/12/1993CA1323109C Method for maintaining a correct time in a distributed processing system
10/06/1993EP0564385A1 Method and circuit for correction of uncontrolled slip of data sequences transmitted on digital links
10/06/1993EP0564339A1 TDMA radio-communication method
10/06/1993EP0563936A1 Frame synchronization circuit for digital communication system
10/06/1993EP0563592A1 Rate adaptation arrangement
10/06/1993EP0563511A2 Decoder for data-streams in a synchronous digital hierarchical system
10/06/1993CN1022366C Digital radio communication system and two-way radio
10/05/1993US5251313 Method of bit rate adaption using the ECMA 102 protocol
10/05/1993US5251239 Synchronizing method for SDH systems as well as method of and circuit arrangement for identifying different data structures
10/05/1993US5251217 Time-division multiplex information transmission system having a variable structure
10/05/1993US5251216 Receiver gain control for radio telephone system
10/05/1993US5251210 Method and apparatus for transforming low bandwidth telecommunications channels into a high bandwidth telecommunication channel
10/05/1993US5251209 Prioritizing attributes in integrated services networks
10/05/1993US5251204 Transmission test system in a broadband ISDN
10/05/1993US5250912 RF power amplifier
10/01/1993CA2092893A1 Tdma radio-communication method
09/1993
09/30/1993WO1993019540A1 Process for allotting transmission time slots in a passive optical network
09/29/1993EP0562963A1 AGC device in a receiver for data signals
09/29/1993EP0562961A1 Method of automatic gain control of a superheterodyne receiver and receiver using such a method
09/29/1993EP0562875A1 Multiresolution QAM system
09/29/1993EP0562221A1 Video decoder
09/29/1993EP0562022A1 Method and apparatus for multiprocessor digital communication
09/29/1993EP0561891A1 Tdm communication system for a wide area site and a plurality of local sites
09/29/1993EP0561880A1 Tdma ranging.
09/29/1993CN1076816A System of communication
09/28/1993WO1993020633A1 Method and apparatus for modifying a decision-directed clock recovery system
09/28/1993US5249186 Apparatus for detecting the start of frame in bipolar transmission systems
09/28/1993US5249181 Call processing using logical channel assignments
09/28/1993CA2092788A1 Improved automatic gain control method for a radio signal superheterodyne receiver and receiver using said method
09/28/1993CA2092785A1 Video decoder
09/27/1993WO1993019548A1 Apparatus for and method of synchronizing a clock signal
1 ... 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 ... 635