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Class Information
Number: 370/515
Name: Multiplex communications > Communication techniques for information carried in plural channels > Combining or distributing information via time channels > Synchronizing > Using synchronization information contained in a frame > Unique synchronization word or unique bit sequence > Pseudo-random
Description: Subject matter in which a maximal or minimum length binary sequence is utilized for achieving synchronization.

Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
4677617 Rapid frequency-hopping time synchronization Jun. 30, 1987
4663501 Self-synchronizing descrambler May. 5, 1987
4651327 Decoder for spectrum diffusion signals Mar. 17, 1987
4635274 Bidirectional digital signal communication system Jan. 6, 1987
4617674 Synchronizing system for spread spectrum transmissions between small earth stations by satellite via an intermediate hop to a large earth station Oct. 14, 1986
4592044 Apparatus and method for checking time slot integrity of a switching system May. 27, 1986
4587661 Apparatus for synchronizing spread spectrum transmissions from small earth stations used for satellite transmission May. 6, 1986
4532635 System and method employing two hop spread spectrum signal transmissions between small earth stations via a satellite and a large earth station and structure and method for synchronizing such Jul. 30, 1985
4479227 Auto-balance method and apparatus for suppression of residual lines in a transmitted spectrum Oct. 23, 1984
4475208 Wired spread spectrum data communication system Oct. 2, 1984
4435826 Frame synchronizer Mar. 6, 1984
4433425 Method and apparatus for detecting the training sequence for a self-adapting equalizer Feb. 21, 1984
4426712 Correlation system for global position receiver Jan. 17, 1984
4423517 Code sequence synchronization system for spread spectrum communication receiver Dec. 27, 1983
4414662 System for the transmission of digital data in packets Nov. 8, 1983
4379206 Monitoring circuit for a descrambling device Apr. 5, 1983
4377822 Test equipment for a teletex television receiver Mar. 22, 1983
4361891 Spread spectrum signal estimator Nov. 30, 1982
4336610 Method and an arrangement for address-free fault location by loop closure in message transmission links Jun. 22, 1982
4267592 Anti-jam radio May. 12, 1981
4004100 Group frame synchronization system Jan. 18, 1977
3997729 Pseudo-random sequencing for speech predictive encoding communications system Dec. 14, 1976
3988538 Digital data scrambler and descrambler Oct. 26, 1976
3952162 Time division digital switching network Apr. 20, 1976

1 2 3 4 5

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