Photocopying – Including fiber optics
Patent
1984-05-01
1985-03-19
Prescott, A. C.
Photocopying
Including fiber optics
355 14R, 355 35, 353 84, 350409, 350438, 501 11, 501 78, G03G 1500
Patent
active
045055696
ABSTRACT:
A projection apparatus includes an optical system for forming an image of an object illuminated by an illumination source on a photosensitive member. In the projection apparatus according to the invention, at least one lens in the lens system disposed in the optical path extending from the illumination source to the photosensitive member is such lens which possesses a property of spectral transmission factor to compensate the spectral sensitivity of the photosensitive member.
REFERENCES:
patent: 4244646 (1981-01-01), Bayer et al.
patent: 4288250 (1981-09-01), Yamashita
patent: 4297142 (1981-10-01), Ritze
patent: 4305757 (1981-12-01), Yamashita
patent: 4348484 (1982-09-01), Joormann et al.
patent: 4377628 (1983-03-01), Ishioka et al.
patent: 4382672 (1983-05-01), Boykin
patent: 4396720 (1983-08-01), Beall et al.
Seto Susumu
Toriumi Akihiko
Canon Kabushiki Kaisha
Prescott A. C.
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