Photocopying – Contact printing – Light boxes
Patent
1988-03-11
1989-07-18
Prescott, A. C.
Photocopying
Contact printing
Light boxes
355259, 355298, 355326, 355211, 355212, G03G 1500, G03G 1516
Patent
active
048497851
ABSTRACT:
An image information is recorded first on the photosensitive drum in the form of opaque image which is the collected form of toner substances magnetically attracted to electrified photosensitive drum. This opaque image is then transferred on an intermediate film which is turned and exposed by an exposing means. At the same time, toner substances for forming an opaque image on the intermediate film are also recycled. This opaque image can be formed inside the inner periphery of a transparent image carrying member while it is being turned around and exposed by using a first exposing means. This opaque image is exposed again by a second exposing means to form a latent image on the photosensitive recording sheet tightly fit onto the transparent image carrying member, thus enabling the image to be formed clearly without diffusion.
REFERENCES:
patent: 4657373 (1987-04-01), Winthaegen et al.
patent: 4674857 (1987-06-01), Satomura et al.
patent: 4688925 (1987-08-01), Randall
Brother Kogyo Kabushiki Kaisha
Prescott A. C.
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