Video signal processing apparatus and video signal...

Details Video signal processing apparatus and video signal... Video signal processing apparatus and video signal...

2007-09-04

2007-09-04

Williams, Howard L. (Department: 2819)

Coded data generation or conversion

Converter calibration or testing

C348S572000, C345S204000

Reexamination Certificate

active

11149187

ABSTRACT:
A video signal processing apparatus comprises an A/D converter for digitizing an analog video signal, an integration circuit for integrating the digitized video signal within a predetermined integration range, a picture display device for displaying a picture based on an integration output, and a control unit which, when an offset adjustment signal is inputted to the A/D converter, corrects the offset value so as to eliminate a difference between the integration value of the integration circuit and a preliminarily set specified value, and determines whether or not offset adjustment is completed based on the number of times when the corrected offset value is within a range defined by adding a predetermined error to the specified value.

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European Search Report dated Oct. 4, 2005 for Appln. No. 05104305.7.

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