Apparatus for transferring a toner image

Details Apparatus for transferring a toner image Apparatus for transferring a toner image

1979-07-24

1982-02-23

Braun, Fred L.

Photocopying

Including fiber optics

G03G 1500

Patent

active

043166660

ABSTRACT:
An x-ray imaging system for intraoral dental radiography. The imaging process is based on xeroradiographic principles, the surface of a small photoconductive plate being electrically charged. After insertion into a carrier, to form a light-tight cassette, the photoconductive plate is placed in a patient's mouth and x-ray exposed. The cassette, and the resultant electrostatic charge image therein, is inserted into the system processor, the photoconductive plate removed and transported to a developer station wherein the image is developed using liquid toner. The toner image is then dried and transferred from the photoconductive plate by using a transparent adhesive material and fixed to a white plastic substrate, forming an image member wherein the image can be viewed in reflectance or transmittance. The adhesive material and substrate are stored in separate cartridge compartments. After cleaning, the photoconductive plate is available for reuse. The developed xeroradiographic images are exposed and processed sequentially, processing time being approximately 20 seconds, the developed images having the characteristics of edge enhancement and deletion, the xeroradiographic images therefor having advantages over film images.

REFERENCES:
patent: 2661289 (1953-12-01), Mayo et al.
patent: 2892391 (1959-06-01), Mayo et al.
patent: 3091160 (1963-05-01), Crumrine et al.
patent: 4068937 (1978-01-01), Willemse et al.
patent: 4114536 (1978-09-01), Kaneko et al.

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