Photographing method and apparatus using a photoconductive layer

Details Photographing method and apparatus using a photoconductive layer Photographing method and apparatus using a photoconductive layer

1996-03-28

1999-08-17

Frahm, Eric

Facsimile and static presentation processing

Facsimile

Recording apparatus

347238, H04N 100, G01D 942

Patent

active

059401842

ABSTRACT:
A photographic method for controlling characteristics of an image to be recorded by changing the conditions for voltage application and achieves image recording by setting application voltage in accordance with image characteristics as desired. The range of external application voltage is set according to resistance of the liquid crystal medium, threshold voltage of the liquid crystal medium, and base current of a photo sensor, and the application voltage is changed according to the desired image characteristics within the preset range.

REFERENCES:
patent: 4310858 (1982-01-01), Hareng et al.
patent: 4899224 (1990-02-01), Ooba et al.
patent: 5359206 (1994-10-01), Yamamoto et al.

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