US PATENT SUBCLASS 219 / 121.31
.~.~.~ Workpiece position control

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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}
121.31.~.~.~ Workpiece position control {1}
121.32  DF  .~.~.~.~> Condition responsive

DEFINITION

Classification: 219/121.31

Workpiece position control:

(under subclass 121.12) Subject wherein the workpiece or a support therefore is located by moving the workpiece or the support (e.g., by servo control driving circuit for an XY table).