Array of optical projection devices

Details Array of optical projection devices Array of optical projection devices

1974-02-28

1978-04-18

Stephan, Steven L.

Optics: image projectors

Composite projected image

Plural projection paths with single light source

350167, 350202, G03B 2126, G02B 2700, G02B 1700

Patent

active

040848949

ABSTRACT:
In an array of optical image projection devices where each image projection device projects a portion of an object image onto a surface, the improvement of forming the entire object image on the surface without overlapping of the image portions where each lens system comprises a lens for projecting its corresponding portion of the object image; first reflecting means for reflecting the image portion projected by the lens back through the lens; further reflecting means for projecting the image portion projected back through the lens onto the surface so that all of the image portions may be merged into a single image on the surface.

REFERENCES:
patent: 3014403 (1961-12-01), Alofs
patent: 3453043 (1969-07-01), Anthony
patent: 3584950 (1971-06-01), Gundlach
patent: 3606535 (1971-09-01), Koizumi
patent: 3741646 (1973-06-01), Knechtel et al.
patent: 3836249 (1974-09-01), Weber
IBM Technical Disclosure, Short Length Optical System, R. J. Wohl, vol. 13, No. 10, Mar. 1971, p. 2947.

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