US PATENT SUBCLASS 219 / 711
.~.~.~.~ By infrared

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

678  DF  MICROWAVE HEATING {15}
702  DF  .~ With control system {8}
704  DF  .~.~ Load condition sensor {6}
710  DF  .~.~.~ Temperature {2}
711.~.~.~.~ By infrared

DEFINITION

Classification: 219/711

By infrared:

(under subclass 710) Subject matter wherein the temperature sensor is responsive to the radiation of wavelengths just beyond the red end of the visible spectrum.

SEE OR SEARCH CLASS

374, Thermal Measuring and Testing,

120+, for temperature measurement in spaced noncontact relationship to specimens.