Method and apparatus for oscillating an array of marking element

Recorders – Performance of multiple functions of steam and gas engines – Pressure responsive element

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346 75, 346140R, G01D 1518

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active

043498280

ABSTRACT:
A method and apparatus for marking wherein an array of marking elements is used to mark on a continuously moving mark-receiving surface. In order to provide a rectangular grid in an efficient manner, the array is oscillated both perpendicular and parallel to the direction of movement of the mark-receiving surface.

REFERENCES:
patent: 3644931 (1972-02-01), Stringer et al.
patent: 3693181 (1972-09-01), Marshall et al.
patent: 3737914 (1973-06-01), Hertz
patent: 3752288 (1973-08-01), Detig et al.
patent: 3852772 (1974-12-01), Hecht et al.
patent: 4050075 (1977-09-01), Hertz et al.

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