US PATENT SUBCLASS 219 / 121.78
.~.~.~ Beam position control

Current as of: June, 1999
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219 /   HD   ELECTRIC HEATING

50  DF  METAL HEATING (E.G., RESISTANCE HEATING) {19}
121.11  DF  .~ By arc {16}
121.6  DF  .~.~ Using laser {12}
121.78.~.~.~ Beam position control {3}
121.79  DF  .~.~.~.~> Path adjustment
121.8  DF  .~.~.~.~> Swept or scanned
121.81  DF  .~.~.~.~> Condition responsive

DEFINITION

Classification: 219/121.78

Beam position control:

(under subclass 121.60) Subject matter wherein the coherent light beam is positioned on a workpiece by relative movement of the beam (e.g., X-Y table movement reflector movement, rotary discs).