Method and arrangement for eliminating ghost image

Details Method and arrangement for eliminating ghost image Method and arrangement for eliminating ghost image

1975-09-25

1977-08-09

Wintercorn, Richard A.

Photocopying

Projection printing and copying cameras

Image transferred to or from curved surface

346108, 355 66, G03B 2748, G03B 2750, G03B 2770

Patent

active

040407373

ABSTRACT:
A method of eliminating a ghost image in an image forming process wherein a recording medium is scanned with a light beam reflected by a polygonal rotary mirror, and wherein the light beam for scanning is directed toward the rotary mirror along a path so that the angle between the path and the rotary axis of the rotary mirror is not equal to 90.degree. so as to displace the ghost image formed on the recording medium to a position out of the scanning line on the recording medium.

REFERENCES:
patent: 2234717 (1941-03-01), Altman et al.
patent: 2331113 (1943-10-01), Fassel
patent: 2823579 (1958-02-01), Fitter
patent: 3867571 (1975-02-01), Starkweather et al.
patent: 3898627 (1975-08-01), Hooker et al.
patent: 3974506 (1976-08-01), Starkweather

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