Photocopying – Contact printing – Light boxes
Patent
1990-12-11
1991-12-17
Grimley, A. T.
Photocopying
Contact printing
Light boxes
118647, 118659, 355256, 355261, G03G 1506
Patent
active
050737988
ABSTRACT:
Electronic photography apparatus has a photoconductor material on which an electrostatic latent image is formed, a developing device for developing the electrostatic latent image formed on this photoconductive material, a developing electrode provided in the developing device for developing the electrostatic latent image, a developers such that the developer supply exists in the spacing between the photoconductor material and the developing electrode and an injecting means for injecting air to the developers remaining in the spacing between the photoconductor material and the developing electrode so that the developers remaining in the spacing between the photoconductor material and the developing electrode are blown out before they become dried and changed into solid developers. In another embodiment in which a developer supplying container for storing developers supplied to the spacing between the photoconductor material and a developer discharging container for storing the developers discharged from the spacing between the photoconductive material are used and a developing electrode and the circulating path is provided independently of the two containers for supplying the developers to the spacing between the photoconductive material and the developing electrode, the electrostatic latent image can be developed by a very small amount of developers without irregularity.
REFERENCES:
patent: 2911944 (1959-11-01), Hayford et al.
patent: 4398818 (1983-08-01), Jeromin et al.
patent: 4622915 (1986-11-01), Ohtsuka et al.
Kawasumi Koichi
Shirakura Akira
Tsuchiya Takao
Watanabe Haruo
Barlow Jr. J. E.
Eslinger Lewis H.
Grimley A. T.
Maioli Jay H.
Sony Corporation
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