Optical imaging device

Details Optical imaging device Optical imaging device

1986-03-24

1988-10-11

Punter, William H.

Photocopying

Contact printing

Light boxes

355 66, G02B 700, G02B 2700

Patent

active

047766832

ABSTRACT:
A casing in the form of a slender hollow structure has a slit-shaped entrance aperture defined in an upper cover thereof and a slit-shaped exit aperture defined in a lower cover thereof. The casing houses a covex roof-shaped mirror having a convex reflecting surface, a lens array, a concave roof-shaped mirror array having an array of convex reflecting surfaces, and a spacer interposed between the concave roof-shaped mirror array and the lens array to keep them spaced apart. The upper and lower covers of the casing are integrally formed with or securely coupled to the spacer. A light shield plate lies between the corner of the convex roof-shaped mirror and the lens array, and a reflecting plate is mounted on the upper cover of the casing for reflecting light from a light source to an object to be imaged. A sensor for detecting the amount of light emitted from the light source is also mounted on the casing.

REFERENCES:
patent: 1921918 (1933-08-01), Goodwin
patent: 3364816 (1968-01-01), Jeffree
patent: 3606535 (1971-09-01), Koizumi
patent: 3873188 (1975-03-01), Baeker
patent: 3912377 (1975-10-01), Johnson
patent: 4196994 (1980-04-01), de Jesus et al.
patent: 4460424 (1984-07-01), Buser et al.
patent: 4525059 (1985-06-01), Haramaki

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