Digitally programmed microwave oven

Details Digitally programmed microwave oven Digitally programmed microwave oven

H - Electricity

05

B

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H05B 1/02 (2006.01) F24C 7/02 (2006.01) H03B 9/10 (2006.01) H05B 6/68 (2006.01)

Patent

CA 1087254

DIGITALLY PROGRAMMED MICROWAVE OVEN Abstract of the Disclosure A digitally programmed microwave oven having a microwave generator energized by a high voltage power supply connected to an alternating current source through mechanically actuated oven door interlock switches, with the power supply regulating the current supplied to the microwave generator to compensate for peak voltage variations in the alternating current source by resonating the output of the power supply in the region of the frequency of the alternating current source in which the power supply is initially ener- gized by a semiconductor switch actuated by a computer to accurately control the time of initial supply of power to said power supply at a point which minimizes the input current surge to said resonant circuit by actuating said semiconductor switch at a time substantially .pi./2 radians of said frequency after the zero voltage point of said alternating current source.

272166

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