Density adjusting method in image recording

Details Density adjusting method in image recording Density adjusting method in image recording

1981-11-05

1983-06-28

Hartary, Joseph W.

Recorders

Performance of multiple functions of steam and gas engines

Pressure responsive element

346108, 358298, G01D 1514

Patent

active

043908829

ABSTRACT:
In a process of image recording by scanning a recording material with a light beam modulated by an image signal, the density of the recorded image is adjusted by controlling the light intensity during a predetermined interval using a clock pulse for picture elements, recording an image for a predetermined time within the predetermined interval, and changing the predetermined recording time for the entire image or only portions thereof. The recording time is changed in a very simple manner, for example, by operating a variable resistor.

REFERENCES:
patent: 4245228 (1981-01-01), Cook
patent: 4251821 (1981-02-01), Kimura
patent: 4347523 (1982-08-01), Ohara

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