Apparatus for recording CRT image

Details Apparatus for recording CRT image Apparatus for recording CRT image

1987-09-11

1989-06-20

Mullins, James B.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358 77, 358180, 358332, 358345, H04N 504

Patent

active

048413712

ABSTRACT:
A CRT image recording apparatus in which a picture a CRT image displayed on a CRT is photographed by a camera. In this apparatus, the number of vertical synchronizing signals separated from a video signal is counted, and the exposure time during which the CRT image is photographed is determined so as to correspond to the number of vertical synchronizing signals 2.sup.K .multidot.n (where K and n are integers) thereby counted. The exposure time is therefore determined is synchronism with the vertical synchronizing signals, thereby preventing any nonuniformity of exposure from occurring on a film.

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