Sharpness improvement apparatus for video signals

Television – Image signal processing circuitry specific to television – Transition or edge sharpeners

Reexamination Certificate

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Details

C345S589000

Reexamination Certificate

active

07154561

ABSTRACT:
Disclosed is a sharpness improvement apparatus of an image signal which improves a sharpness of an analogue image signal so as to display a clear image. A display device which displays an inputted image signal on a screen can display a clear image with a digital sharpness improvement apparatus which realizes a sharpness of the image signal into a digital method by improving a degradation phenomenon of a signal generated at an analogue image processing into a simple digital circuit.

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