US PATENT SUBCLASS 219 / 715
.~.~ Power switching

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

678  DF  MICROWAVE HEATING {15}
702  DF  .~ With control system {8}
715.~.~ Power switching {3}
716  DF  .~.~.~> With detector
717  DF  .~.~.~> Plural power supplies
718  DF  .~.~.~> Having duty cycle

DEFINITION

Classification: 219/715

Power switching:

(under subclass 702) Subject matter wherein a device controls on and off periods of energy being supplied from the power supply to the microwave heating apparatus.

SEE OR SEARCH THIS CLASS, SUBCLASS:

661, for an inductive heating device with a switching power supply system.

SEE OR SEARCH CLASS

323, Electricity: Power Supply or Regulation Systems.

363, Electric Power Conversion Systems.