Multiple frame rate synchronous detecting method and apparatus

Details Multiple frame rate synchronous detecting method and apparatus Multiple frame rate synchronous detecting method and apparatus

2002-04-16

2008-08-19

Ahn, Sam K (Department: 2611)

Pulse or digital communications

Synchronizers

Frequency or phase control using synchronizing signal

Reexamination Certificate

active

07415091

ABSTRACT:
A multiple frame rate synchronous detecting apparatus for synchronous-detecting received serial data having one frame rate among a plurality of predetermined frame rates is provided. The apparatus comprises a serial-to-parallel converter for serial-to-parallel converting the received serial data with matching with highest frame rate, a coincidence detector for comparing a portion of the converted parallel data corresponding to a predetermined region defined based on the frame rate, with a pattern for synchronous detection to detect coincidence, and a synchronous determiner for determining to have been synchronized with the frame rate when a periodic cycle of the coincidence detection is the same as a previous one.

REFERENCES:
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patent: 6262594 (2001-07-01), Cheung et al.
patent: 6385213 (2002-05-01), Nakamura et al.
patent: 6728492 (2004-04-01), Baroncelli
patent: 6804248 (2004-10-01), Tomar et al.
patent: 6804316 (2004-10-01), Shectman
patent: 2002/0154647 (2002-10-01), Potash

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