Half tone imaging system

Details Half tone imaging system Half tone imaging system

1976-09-13

1978-01-03

Moses, Richard L.

Photocopying

Including fiber optics

96 45, 355 32, G03G 1501

Patent

active

040663531

ABSTRACT:
A half-tone screen in which a first and second set of grooves are inscribed in a transparent member. The grooves are arranged in a repetitive pattern with each groove from the first set being interposed between adjacent grooves of the second set, and the width of each groove of the first set being greater than the width of each groove of the second set.

REFERENCES:
patent: 3905822 (1975-09-01), Marks
patent: 4003649 (1977-01-01), Goren et al.
patent: 4007981 (1977-02-01), Goren

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