Method of transporting a photosensitive sheet

Details Method of transporting a photosensitive sheet Method of transporting a photosensitive sheet

Filed on

1991-05-14

Date issued

1992-11-03

Examiner

Adams, Russell E.

Patent Class

Photocopying

SubClass

Projection printing and copying cameras

SubSubClass

With developing

Other Related Categories

355 77, G03B 2752, G03B 2732

Type

Patent

Status

active

Patent number

051609606

Description

ABSTRACT:
In a method of transporting a photosensitive sheet for image forming operation, the photosensitive sheet is transported forward through an exposure section where a latent image is formed thereon, and then through a pressure-developing section where the photosensitive sheet is pressed against an image receiving sheet to develop the latent image and form a visible image on the image receiving sheet. In this pressure-developing process, the length of the photosensitive sheet which is drawn out from the sheet-feeding rod is measured. Then, the photosensitive sheet is further transported forward until the image receiving sheet is separated therefrom. Thereafter, the photosensitive sheet is transported backward by the length measured in the pressure-developing process. Since the photosensitive sheet is transported backward by the measured length after the image forming operation, the unused portion of the photosensitive sheet remaining between the exposure section and the pressure-developing section can be accurately transported backward to be used for the next image forming operation.

REFERENCES:
patent: 4777513 (1988-10-01), Nelson
patent: 4935769 (1990-06-01), Ogura
patent: 4965622 (1990-10-01), Ibuchi
patent: 4994851 (1991-02-01), Iwai
patent: 5005043 (1991-04-01), Kobayashi et al.
patent: 5016041 (1991-05-01), Sonobe

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