US PATENT SUBCLASS 219 / 717
.~.~.~ Plural power supplies


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

678  DF  MICROWAVE HEATING {15}
702  DF  .~ With control system {8}
715  DF  .~.~ Power switching {3}
717.~.~.~ Plural power supplies


DEFINITION

Classification: 219/717

Plural power supplies:

(under subclass 715) Subject matter wherein two or more power sources are feeding microwave energy to the load.

SEE OR SEARCH THIS CLASS, SUBCLASS:

476+, for an electric resistance heating device with plural separate heaters.

662, for an inductive heating device with a switching power supply for plural load inductors.

697, for a waveguide applicator with plural input power.

701, for a microwave tunnel furnace with plural heating zones.

SEE OR SEARCH CLASS

307, Electrical Transmission or Interconnection Systems, 11+, for a plural load circuit system and subclasses 43+ for plural supply circuits or sources.