Image forming optical system

Details Image forming optical system Image forming optical system

1980-01-30

1981-10-13

Wintercorn, Richard A.

Photocopying

Projection printing and copying cameras

Original moves continuously

350 27, 355 60, 355 63, G03B 2748, G03B 2750, G03B 2770, G02B 2118

Patent

active

042945380

ABSTRACT:
An optical system for forming a spot object or an arcuate object into an arcuate image or a spot image. This optical system has a band-like spherical mirror obtained by sectioning a concave spherical mirror. By the band-like spherical mirror, the spot object disposed on the rotational symmetry axis other than the center of curvature may be imaged into an arcuate form on a certain surface perpendicular to the rotational symmetry axis. Conversely, an arcuate object on said certain surface may form a spot image at the position whereat the spot object is disposed.

REFERENCES:
patent: 3758774 (1973-09-01), Hildenbrandt
patent: 3884573 (1975-05-01), Franklin
patent: 3937556 (1976-02-01), Newell
patent: 3951546 (1976-04-01), Markle
patent: 3963353 (1976-06-01), Hemstreet
patent: 4011011 (1977-03-01), Hemstreet et al.
patent: 4023126 (1977-05-01), Schlafer
patent: 4215934 (1980-08-01), Karasawa et al.

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