Synchronizer

Details Synchronizer Synchronizer

1997-07-25

1999-12-28

Chin, Stephen

Pulse or digital communications

Synchronizers

375357, 375365, H04L 700

Patent

active

060091312

ABSTRACT:
A detection circuit of a synchronizer detects a difference between a reference timing of a transmitter and a reference timing of a receiver based on a time of receiving a known transmission pattern sent from the transmitter. An average value calculation circuit calculates an average value of the difference detected by the detection circuit. An integration circuit determines an integrated value by integrating the average value each time of interrupting the receiver. A correction value calculation circuit calculates a correction value to correct the reference timing of the receiver in forward direction in the case where the integrated value exceeds a predetermined first threshold level and to correct the reference timing of the receiver backward in the case where the integrated value is reduced below a predetermined second threshold level.

REFERENCES:
patent: 3812430 (1974-05-01), Schmidt et al.
patent: 4344176 (1982-08-01), Qureshi
patent: 4686673 (1987-08-01), Hotta
patent: 4811338 (1989-03-01), Haruyama et al.
patent: 5535249 (1996-07-01), Miyashita

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