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Class Information
Number: 370/507
Name: Multiplex communications > Communication techniques for information carried in plural channels > Combining or distributing information via time channels > Synchronizing > Mutual (reciprocal) synchronization
Description: Subject matter wherein the clock frequency adjustment of one station is based upon information about the status of clock signals originating at other stations of the system.










Sub-classes under this class:

Class Number Class Name Patents
370/508 Transmission time into time slots adjusted based upon propagation delay time 367


Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
5432823 Method and circuitry for minimizing clock-data skew in a bus system Jul. 11, 1995
5428645 Anonymous time synchronization method Jun. 27, 1995
5426633 System for processing synchronization signals with phase synchronization in a mobile communication network Jun. 20, 1995
5408506 Distributed time synchronization system and method Apr. 18, 1995
5394437 High-speed modem synchronized to a remote CODEC Feb. 28, 1995
5327277 Method and apparatus for determining equalization delays in a transmission system and related apparatus Jul. 5, 1994
5313462 Synchronism establishing method and apparatus May. 17, 1994
5239562 Matching the clock phase of duplicated clock circuits Aug. 24, 1993
5229996 Split-window time alignment Jul. 20, 1993
5204882 Service clock recovery for variable bit rate services Apr. 20, 1993
5173899 TDMA communications network of transmitting information between a central station and remote stations Dec. 22, 1992
5130987 Method for synchronizing a wide area network without global synchronizing Jul. 14, 1992
5123009 Method and apparatus for disabling an echo canceller Jun. 16, 1992
5117442 Methods and circuits for synchronizing signals in a modular redundant fault tolerant computer system May. 26, 1992
5052028 Method for synchronizing the phase of clock signals of two clock generators in communications networks Sep. 24, 1991
5043982 Multichannel multipoint network using time-division multiplexing incorporating a time offset for propagation delay Aug. 27, 1991
5027375 Process for the resynchronization of an exchange in a telecommunication network Jun. 25, 1991
5025457 Synchronizing continuous bit stream oriented terminals in a communications network Jun. 18, 1991
5001730 Clock synchronization algorithm for address independent networks Mar. 19, 1991
4965811 Adaptive timing Oct. 23, 1990
4935927 Base station emulator Jun. 19, 1990
4912706 Frame synchronization in a network of time multiplexed optical space switches Mar. 27, 1990
4894846 Method for maintaining a correct time in a distributed processing system Jan. 16, 1990
4890303 Method and circuit for synchronizing a digital data transmission system with a network-external clock Dec. 26, 1989
4881223 Asynchronous time division communication system Nov. 14, 1989
4860285 Master/slave synchronizer Aug. 22, 1989
4843455 Color television signal sampling clock phase control system Jun. 27, 1989
4815109 Sampling clock synchronization Mar. 21, 1989
4812839 System for controlling network activation sequence Mar. 14, 1989
4811365 Communications system Mar. 7, 1989
4809259 Arrangement for establishing wide band connection in a switching network Feb. 28, 1989
4807259 Time synchronization method in data transmission system Feb. 21, 1989
4794596 Data network synchronisation Dec. 27, 1988
4780883 Data modem with adaptive synchronized speed change Oct. 25, 1988
4761799 Time-locking method for stations which form part of a local star network, and local star network for performing the time-locking method Aug. 2, 1988
4757521 Synchronization method and apparatus for a telephone switching system Jul. 12, 1988
4746920 Method and apparatus for clock management May. 24, 1988
4740961 Frame checking arrangement for duplex time multiplexed reframing circuitry Apr. 26, 1988
4736393 Distributed timing control for a distributed digital communication system Apr. 5, 1988
4691294 Clock/data synchronization interface apparatus and method Sep. 1, 1987
4688217 Method of implementing burst acquisition control in TDMA system Aug. 18, 1987
4680779 Distributed clock synchronization in a digital data switching system Jul. 14, 1987
4677617 Rapid frequency-hopping time synchronization Jun. 30, 1987
4642806 Communications network having a single node and a plurality of outstations Feb. 10, 1987
4592051 Activation in a digital subscriber connection May. 27, 1986
4592050 Apparatus and method for providing a transparent interface across a satellite communications link May. 27, 1986
4574376 Activation of a transmission link by code sending Mar. 4, 1986
4530091 Synchronization of real-time clocks in a packet switching system Jul. 16, 1985
4389722 Method for the simultaneous transmission of a plurality of data stream over one transmission channel Jun. 21, 1983
4355386 Time-division multiplex digital switching network for a PCM telephone exchange system utilizing duplicate connecting field installations Oct. 19, 1982

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