The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Feb. 26, 2008

Filed:

Jan. 16, 2004
Applicant:

Genichi Imamura, Kanagawa, JP;

Inventor:

Genichi Imamura, Kanagawa, JP;

Assignee:

Leader Electronics Corporation, Kanagawa-ken, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 17/00 (2006.01); H04N 17/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

A video signal level monitoring apparatus which monitors the level of a video signal, said apparatus comprises means for inputting a first color difference component (Cb) and a second color difference component (Cr) of a component video signal, means for inputting a luminance component (Y) of the component video signal as a luminance component (Y) of a composite video signal, means for generating a color component (C) of the composite video signal from the first color difference component and the second color difference component, and means for displaying each of the amplitude values of the color component (C) and the luminance component (Y) in a one-dimensional direction. Preferably, the display means displays each amplitude value in a bar graph display and scale marks corresponding to a minimum acceptable value and a maximum acceptable value within a range in accordance with a predetermined standard.


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