Grid-correction device for a TV set

Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry

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H04N 928

Patent

active

052607852

ABSTRACT:
A cursor for correcting the locations of points formed by the crossing horizontal and vertical lines of a grid arranged on the screen of a television receiver. The screen has a portion illuminated by a picture and a dark portion unilluminated by the picture. The grid also has at least one line of dark-points parallel to each edge of the picture and lying outside of the picture. The cursor is configured and dimensioned to extend into the picture when the cursor covers one of the dark-points.

REFERENCES:
Patent Abstracts of Japan 60-185482 Sep. 1985.
Patent Abstracts of Japan 58-201486 Nov. 1983.

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