Photocomposition machine

Details Photocomposition machine Photocomposition machine

1977-09-02

1979-01-23

Adams, Russell E.

354 7, 354 10, B41B 1300

Patent

active

041357949

ABSTRACT:
A photocomposition machine wherein the lens system includes at least one focusing lens which is moved into point size position by a mechanical drive under a control means which returns the lens carriage to a known reference position prior to a composition routine, which reference position becomes a value in the memory of the control, whereby the mechanical precision and wear alteration of the drive become of no factor in accurate focusing of the lenses.

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