Control of scanning laser beam

Details Control of scanning laser beam Control of scanning laser beam

1975-02-06

1976-03-09

Miller, Jr., George H.

Recorders

Printing, dotting, or punching marker

Ink transfer support or moving means

178 76, 219121LM, G01D 942, H04N 300, B23K 900

Patent

active

039435296

ABSTRACT:
In pattern generating apparatus of the type employing a reciprocating laser beam for scanning a substrate surface, three scan lines are formed simultaneously. During reciprocation in one direction, the beam is deflected upwardly at an angle of arccot (1/3) with respect to the reciprocating direction, and during reciprocation in the opposite direction, the beam is deflected downwardly at an angle of arccot (1/3).

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patent: 3812371 (1974-05-01), Chin
patent: 3813676 (1974-05-01), Wolfe

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