US PATENT SUBCLASS 219 / 121.81
.~.~.~.~ Condition responsive

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  DF  .~.~.~ Beam position control {3}
121.81.~.~.~.~ Condition responsive

DEFINITION

Classification: 219/121.81

Condition responsive:

(under subclass 121.78) Subject matter wherein the coherent light beam is positioned in response to a detected condition.

(1) Note. For example, a feed back signal from reflected light is used to control an XY movement. Position sensors are used for computer control of digital deflector and XY movement.