Automatic color-sync polarity control

Details Automatic color-sync polarity control Automatic color-sync polarity control

2005-08-17

2009-02-10

Kostak, Victor R (Department: 2622)

Television

Monitoring, testing, or measuring

Synchronization

C348S505000, C348S507000, C386S349000, C386S349000

Reexamination Certificate

active

07489338

ABSTRACT:
A system and method for automatically controlling color synchronization polarity during video decoding. Various aspects of the present invention may comprise at least one module that is adapted to monitor color synchronization polarity at a plurality of instances over a period of time. The at least one module may also, for example, be adapted to generate a sequence of signals indicative of the color synchronization polarity correctness at the plurality of instances. The at least one module may additionally, for example, be adapted to statistically analyze the sequence of signals. The at least one module may further, for example, be adapted to determine, based at least in part on the statistical analysis of the sequence of signals, whether color synchronization polarity is correct. The at least one module may still further, for example, be adapted to control color synchronization polarity based, at least in part, on the polarity correctness determination.

REFERENCES:
patent: 4337477 (1982-06-01), Sagishima et al.
patent: 4383273 (1983-05-01), Lunn
patent: 4706110 (1987-11-01), Richter
patent: 4941035 (1990-07-01), Judge
patent: 4970581 (1990-11-01), O'Gwynn
patent: 7224407 (2007-05-01), Yoshii et al.

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