Three-fold mirror assembly for a scanning projection system

Details Three-fold mirror assembly for a scanning projection system Three-fold mirror assembly for a scanning projection system

1974-09-26

1976-04-20

Wintercorn, Richard A.

Photocopying

Projection printing and copying cameras

Original moves continuously

350 55, 350199, 350294, 355 60, 355 65, G03B 2748, G03B 2750, G03B 2770

Patent

active

039515460

ABSTRACT:
A three-fold mirror array for a scanning projection system to permit placing the object and image of an annular reflective projection system in an orientation which facilitates scanning and yields an image symmetry identical to that obtained with contact printing in which three folding flats are combined with an annular field projection system. The three folding flats are incorporated in a monolithic assembly having a 90.degree. groove on one side and a fold surface perpendicular to the other folding surfaces on the other side of the assembly thereby permitting a simple pivoting scanning mechanism to be used for scanning a field larger than the narrow annular field available in the projection system.

REFERENCES:
patent: 3216316 (1965-11-01), Brownscombe
patent: 3748015 (1973-07-01), Offner
patent: 3836249 (1974-09-01), Weber

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