Photocopying – Contact printing – Light boxes
Patent
1988-06-08
1990-11-06
Grimley, A. T.
Photocopying
Contact printing
Light boxes
355326, 355327, G03G 500, G03G 1501
Patent
active
049690124
ABSTRACT:
An image recording apparatus has a photochromic photosensitive member with a light transmittance that is variable dependent on the light applied to it from an original that has been illuminated by a first light source. A second light source, which emits a light that the photochromic photosensitive member is insensitive to, is then used to form an electrostatic latent image on an uniformly charged photosensitive sheet with the photosensitive sheet being carried on the surface of a transfer drum past one or more developing devices in order to make the electrostatic latent image on the photosensitive sheet a visible image. A mask member film may alternatively be used between an exposure light source and the photosensitive sheet.
REFERENCES:
patent: 3627410 (1968-02-01), Jugle
patent: 3972608 (1976-08-01), Moriyama et al.
patent: 4173407 (1979-11-01), Kuehnle
patent: 4324484 (1982-04-01), Johnson
patent: 4647182 (1987-03-01), Pierce
patent: 4663257 (1987-05-01), Murasawa et al.
patent: 4772922 (1988-09-01), Kawahara et al.
patent: 4849785 (1989-07-01), Tanabe
J. A. C. Yule, "Color Reproduction in the Graphic Arts", Neblette's Handbook of Photography and Reprography, pp. 466-476, 1977.
Miyabayashi Takeshi
Nakai Hitoshi
Suzuki Makoto
Yamane Mitsuo
Brother Kogyo Kabushiki Kaisha
Grimley A. T.
Royer William J.
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