Photocopying – Projection printing and copying cameras – Original moves continuously
Patent
1985-11-29
1987-05-26
Wintercorn, Richard A.
Photocopying
Projection printing and copying cameras
Original moves continuously
354 4, 355 77, G03B 2748, G03B 2750, G03B 2770
Patent
active
046680802
ABSTRACT:
A high resolution periodic pattern is formed in a layer of a photosensitive material by means of a beam of light and a lenticular array formed of a plurality of lenslets. The lenticular array is positioned over the layer and the beam of light is directed through the lenticular array onto the layer. The beam of light is scanned across the lenticular array to pass through the individual lenslets which defines the light into a fine beam and thereby exposes a small area of the layer. The beam is shaped to achieve a periodic pattern in the layer as the beam scans across the layer. By moving the layer in synchronism with the scanning, a two dimensional array of the pattern can be obtained.
REFERENCES:
patent: 3316805 (1967-05-01), Cary
patent: 4092654 (1978-05-01), Alasia
patent: 4390789 (1983-06-01), Smith et al.
patent: 4464030 (1984-08-01), Gale et al.
patent: 4524127 (1985-06-01), Kane
patent: 4528260 (1985-07-01), Kane
Patent application of H. P. Kleinknecht, Ser. No. 754,134, "Optical Imager with Diffractive Lenticular Array", filed Jul. 12, 1985.
Gale Michael T.
Kleinknecht Hans P.
Knop Karl H.
Cohen Donald S.
RCA Corporation
Tripoli Joseph S.
Wintercorn Richard A.
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