Color video signal detector and color video signal detecting met

Details Color video signal detector and color video signal detecting met Color video signal detector and color video signal detecting met

1995-01-31

1996-07-02

Metjahic, Safet

Television

Image signal processing circuitry specific to television

Transition or edge sharpeners

348625, H04N 968, H04N 5208

Patent

active

055327567

ABSTRACT:
A color video signal detector that detects the color level and the color phase of a color video signal includes a differentiating circuit that differentiates a color video signal to detect edges in the color video signal, a switching IC that holds values of the color video signal at times after a given time interval from the edges, a circuit that counts the order of the edges and extracts the value of the color video signal at every count, and a microcomputer that measures the extracted values of the color video signal.

REFERENCES:
patent: 5164829 (1992-11-01), Wada
patent: 5204747 (1993-04-01), Shinkai

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