Incremental printing of symbolic information – Light or beam marking apparatus or processes – Scan of light
Patent
1993-09-20
1997-06-24
Fuller, Benjamin R.
Incremental printing of symbolic information
Light or beam marking apparatus or processes
Scan of light
347238, 347243, 359858, B41J 247, B41J 245, G02B 2740, G02B 510
Patent
active
056421494
ABSTRACT:
A printing apparatus includes an imaging system which focuses a plurality of different color LED sources on a photosensitive recording medium without use of any refractive optics. The imaging system comprises two concave mirrors having reflective surfaces, each of which is a conic section, and a baffle located between the mirrors. Each of the mirrors includes an aperture and the baffle is located between the apertures of the mirrors. A printing method utilizing the apparatus includes reflection of light generated by the LED sources between the mirrors following a series of zigzag turns, convergence of the light through an aperture in one of the mirrors, and formation of an image on a photosensitive recording medium without passing through refracting optics, wherein the baffle blocks light from propagating directly towards an imaging surface without reflecting in the imaging system.
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Paul G. Hannan; General Analysis of Two-Mirror Relay Systems; Feb. 1, 1992; vol. 31, No. 4, Applied Optices; pp. 513-518.
Eastman Kodak Company
Fuller Benjamin R.
Short Svetlana Z.
Yockey David
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