Method and apparatus for selective video signal sampling

Details Method and apparatus for selective video signal sampling Method and apparatus for selective video signal sampling

2005-04-19

2005-04-19

Kostak, Victor R. (Department: 2614)

Television

Image signal processing circuitry specific to television

A/d converters

C341S155000

Reexamination Certificate

active

06882371

ABSTRACT:
A video signal sampling apparatus for sampling an input analog video signal by use of a sampling clock, and producing a digital signal which represents a level of a resultant video signal sample as a digital video signal is disclosed. The video signal sampling apparatus includes N (N being an integer equal to or greater than 2) converters for sampling the input analog video signal by use of N sampling clocks having phases that are different from each other to produce N digital signals which represent levels of N resultant video signal samples respectively, and a selector for selecting one digital signal from the N digital signals produced by the N converters in order that an amplitude of the digital video signal output to the outside is maximized.

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