Multi-magnification short focal length imaging system

Details Multi-magnification short focal length imaging system Multi-magnification short focal length imaging system

1986-03-14

1987-07-07

Wintercorn, Richard A.

Photocopying

Including fiber optics

355 46, G03B 2700

Patent

active

046783113

ABSTRACT:
A multi-magnification, short focal length imaging system is enabled by providing a lens assembly having a plurality of short focal length lens arrays formed within a unitary plastic or glass body. The lens arrays are composed of a plurality of lenslets formed by either a masking/radiation heat treating process when using a photosensitive glass or by plastic injection molding techniques. The lenslets are formed with the appropriate spacing parameters and lens axis tilt orientation to enable projection of a reduced or enlarged image of a document at an image plane. The lens assembly is translated and/or rotated in response to magnification reproduction values selected by an operator so as to place the appropriate lens array into an optical projection path.

REFERENCES:
patent: 4394083 (1983-07-01), Rees
patent: 4459010 (1984-07-01), Hinton et al.
patent: 4542983 (1985-09-01), Zambelli et al.
patent: 4595275 (1986-06-01), Sonobe

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