1978-07-17
1979-11-27
Gonzales, John
354229, G03B 3500
Patent
active
041758447
ABSTRACT:
An optical apparatus for producing a relatively large image with a relatively small distance between the apparatus and an image plane, includes a surface distribution of lenslets of a size not substantially larger than the smallest size resolvable by the unaided human eye and disposed on the focal plane of the lenslets, the pinholes defining a plurality of discrete light transmission paths, arranged with respect to the lenslets such that each path transmits light representing a different portion of the image produced by each of the lenslets to the image plane. Photosensitive film is held at the image plane and the image plane is displaced a sufficient distance from the focal plane to permit distribution of the light passing through each pinhole onto an area about the size of a lenslet. The sum of the contributions of each of the light paths produces a completed image on the image plane.
REFERENCES:
patent: Re28162 (1974-09-01), Anderson
patent: 3447438 (1969-06-01), Kaufer et al.
patent: 3459111 (1969-08-01), Cooper
patent: 3950769 (1976-04-01), Yevick
Brook, R., Pinhole Camera, In British Journal of Photograph, vol. 11, pp. 244, 245, Mar. 18, 1977.
Gonzales John
Yeda Research & Development Co. Ltd.
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