F - Mech Eng,Light,Heat,Weapons – 24 – C
Patent
F - Mech Eng,Light,Heat,Weapons
24
C
327/2.5
F24C 7/02 (2006.01) H03B 9/10 (2006.01)
Patent
CA 1042516
ABSTRACT OF THE DISCLOSURE Apparatus for varying microwave power level is included in a microwave oven. The microwave oven includes a magnetron for producing microwaves used for heating and a half-wave voltage doubler for supplying half-wave pulsating DC voltage to the magnetron. In order to vary voltage and thus power output of the magnetron, the charging of the capacitor in the half-wave voltage doubler is controlled by a variable resistance connected in series with the rectifier in the otherwise conventional half- wave voltage doubler.
263269
Harmon Larry R.
Simon Donald J.
LandOfFree
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