High resolution scanner

Details High resolution scanner High resolution scanner

1993-02-16

1993-10-19

Ben, Loha

Optical: systems and elements

Deflection using a moving element

359208, 250235, 358474, G02B 2608

Patent

active

052551148

ABSTRACT:
A high resolution scanner is disclosed which is adapted to digitally record an image from photographic film. The scanner comprises a folded integrating sphere which projects illumination on the film as the film is moved relative to the integrating sphere. Light transmitted through the film is directed to a photodetector by an optical system. In order to produce an aberration-free image on the photodetector, the illumination projected on the film is in the form of an arc, and a unit magnification optical system transmits light to a photodetector having image sensor elements arranged in an arc.

REFERENCES:
patent: 3748015 (1973-07-01), Offner
patent: 3752559 (1973-08-01), Fletcher et al.
patent: 5013108 (1991-05-01), Van Amstel
patent: 5103091 (1992-04-01), Hirose et al.
patent: 5122658 (1992-06-01), Ando
patent: 5136413 (1992-08-01), MacDonald et al.

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