Photocopying – Projection printing and copying cameras – Plural
Patent
1976-04-09
1978-02-07
Wintercorn, Richard A.
Photocopying
Projection printing and copying cameras
Plural
353 27R, 353 30, 353 66, 355 54, G03B 2744
Patent
active
040724166
ABSTRACT:
An optical system for reading a microrecord in which a plurality of data sets are formed on a record medium, each set representing a reduced scale image of a distinct page and being dissected into a multiplicity of data sub-sets. The sub-sets, which together form a data set, are dispersed on the medium in accordance with a predetermined pattern, the dispersed sub-sets forming the plurality of data sets being interlaced with each other whereby each data set occupies a distinct position on the medium and may be optically extracted therefrom. The optical system includes an array of lensettes each constituted by a reflective concave element associated with a reflective spherical element, the elements of each lensette being optically aligned with a respective data sub-set whereby the image of the sub-set formed on the concave element is reflected by the spherical element onto a screen.
REFERENCES:
patent: 2664026 (1953-12-01), Kavanagh
patent: 2701983 (1955-02-01), Back et al.
patent: 2748658 (1956-06-01), Bouwers
patent: 3658414 (1972-04-01), Fukushima
patent: 3712724 (1973-01-01), Courtney-Pratt
Izon Corporation
Wintercorn Richard A.
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