Photocopying – Contact printing – Light boxes
Patent
1990-12-04
1992-12-15
Grimley, A. T.
Photocopying
Contact printing
Light boxes
355202, 359 51, G03G 500
Patent
active
051721643
ABSTRACT:
According to the present invention, an image forming apparatus uses a photoconductive member in which microcapsules with a liquid crystal material sealed therein are dispersed inside of a photoconductive layer thereof and comprises a charger for uniformly charging the photoconductive member and an LED head for forming an electrostatic latent image on the photoconductive member, and furthermore, comprises a voltage applying device for applying an alternating electric field to the photoconductive member so as to make the electrostatic latent image visible by the phase transition of the liquid crystal material, and a toner sticking device for sticking toner to the photoconductive member so as to make the electrostatic latent image visible. Therefore, it is possible to easily obtain both a display image and a printed image having high resolution.
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patent: 4603945 (1986-08-01), Fergason
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patent: 5006422 (1991-04-01), Sakurai et al.
patent: 5060011 (1991-10-01), Yamamoto et al.
patent: 5097286 (1992-03-01), Sakai
Fujiwara Mitsugu
Sasaki Kazuyoshi
Tomoyori Makoto
Alps Electric Co. ,Ltd.
Grimley A. T.
Heid David W.
Horgan Christopher
Kivlin B. Noel
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