US PATENT SUBCLASS 219 / 704
.~.~ Load condition sensor

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.~.~ Load condition sensor {6}
705  DF  .~.~.~> Plural diverse types
706  DF  .~.~.~> By ultrasonic or acoustic
707  DF  .~.~.~> Gas or vapor
708  DF  .~.~.~> Weight
709  DF  .~.~.~> Field intensity/reflection
710  DF  .~.~.~> Temperature {2}

DEFINITION

Classification: 219/704

Load condition sensor:

(under subclass 702) Subject matter wherein a device is indicative of or responding to a physical state of the material or object.

SEE OR SEARCH THIS CLASS, SUBCLASS:

626, for an inductive cooking system with load sensing.

665, for an inductive heating device with load sensing responsive switching power supply.