US PATENT SUBCLASS 219 / 121.3
.~.~.~.~ 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}
121.12  DF  .~.~ Using electron beam {12}
121.28  DF  .~.~.~ Position control {2}
121.3.~.~.~.~ Condition responsive

DEFINITION

Classification: 219/121.3

Condition responsive:

(under subclass 121.28) Subject matter wherein the charge particle beam is located in response to a position detector (e.g., a detector circuit encoder and computer or a secondary emission detector).