Apparatus for adjusting picture quality of high definition telev

Details Apparatus for adjusting picture quality of high definition telev Apparatus for adjusting picture quality of high definition telev

1991-03-08

1992-09-08

Chin, Tommy P.

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

358141, H04N 5262, H04N 546, H04N 701, H04N 557

Patent

active

051463318

ABSTRACT:
An image display device including picture quality adjustment circuitry is adapted so that a selected one of an input video signal of a standard aspect ratio order an input video signal of a wide aspect ratio is input thereto, and a display having a wide aspect ratio screen for displaying an image of a video signal to which picture quality adjustment processing by the picture quality adjustment circuitry is implemented, wherein a scheme is employed to alter characteristics such as sharpness adjustment processing, etc. applied to the input video signal, thereby permitting picture qualities of display images of various aspect ratios to be optimized.

REFERENCES:
patent: 4581640 (1986-04-01), Cole
patent: 4670783 (1987-06-01), Nadan
patent: 4984078 (1991-01-01), Skinner
patent: 4984081 (1991-01-01), Miyoshi
patent: 5001551 (1991-03-01), Otto
patent: 5014116 (1991-05-01), Kawai

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