Apparatus for maintaining of a cathode ray tube image within the

Details Apparatus for maintaining of a cathode ray tube image within the Apparatus for maintaining of a cathode ray tube image within the

1982-11-26

1985-07-16

Faber, Alan

Facsimile and static presentation processing

Facsimile

Recording apparatus

358345, H04N 584

Patent

active

045300119

ABSTRACT:
Apparatus and method are provided for controlling the brightness and brightness range of a CRT produced image. The resolution of photographs of the CRT-formed images is improved by establishing the absolute brightness and brightness range of the image to be reproduced within the brightness acceptance range of the photographic material used to record the images. Light sensing and measurement of the CRT image permits the establishment of a suitable image brightness and brightness range when representative samples of the video signal are supplied to the monitor CRT of the camera.

REFERENCES:
patent: 3177764 (1965-04-01), Akima
patent: 3400632 (1968-09-01), Wahli
patent: 3471740 (1969-10-01), Dreyfoos
patent: 3700329 (1972-10-01), Mason
patent: 4005262 (1977-01-01), Fijisawa
patent: 4344699 (1982-08-01), McIntosh

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