Compound lens system

Details Compound lens system Compound lens system

1991-12-10

1993-06-01

Arnold, Bruce Y.

Optical: systems and elements

Lens

Multiple component lenses

359771, 359778, G02B 934, G02B 936

Patent

active

052165485

ABSTRACT:
A compound lens system specifically designed for use in a handy scanner of a computer system for photographing a printed object. The compound lens is capable of photographing the printed object up to a width of 128 mm, (5.04 in). The compound lens system encompasses four lenses which include a positive lens with a convex surface and a non-concave surface, two biconcave lenses, and a biconvex lens.

REFERENCES:
patent: 3807836 (1974-04-01), Baker
patent: 4285579 (1981-08-01), Yamada
patent: 4753522 (1988-06-01), Nishina et al.

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