Sampling device, display device using sampling device, and...

Details Sampling device, display device using sampling device, and... Sampling device, display device using sampling device, and...

2007-03-29

2011-12-06

Harold, Jefferey (Department: 2422)

Television

Synchronization

Automatic phase or frequency control

C348S327000, C348S518000, C348S536000, C348S538000, C348S571000

Reexamination Certificate

active

08072542

ABSTRACT:
A correction sampling signal generation circuit is disposed subsequent to a plural-stage sampling signal generation circuit for sequentially generating sampling signals in response to an input timing signal, an extended sampling circuit is disposed subsequent to a plural-stage sampling circuit for sampling a video signal at timing of the sampling signal, and a data signal is sampled at timing of the sampling signal generated by the extended sampling circuit. In a timing adjustment period, the data signal for adjustment is generated, the phases of the data signal and the timing signal are relatively shifted, the outputs of the sampling circuits are supplied to a common output line through respective switches, and the phase of the optimum timing signal or the video signal is determined based on the output from the common output line.

REFERENCES:
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patent: 2004/0183752 (2004-09-01), Kawasaki et al.
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patent: 2007/0146246 (2007-06-01), Nakamura et al.
patent: 2005-004191 (2005-01-01), None

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