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Control system for a microwave oven, a microwave oven using such a control system and methods of making the same

  • US 5,653,906 A
  • Filed: 10/31/1994
  • Issued: 08/05/1997
  • Est. Priority Date: 09/07/1994
  • Status: Expired due to Fees
First Claim
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1. A control system for a microwave oven having a magnetron including a transformer, said control system further comprising an electrical circuit to interconnect an electrical power source through a conductor to said transformer to operate said magnetron, further including an actual amperage detector of the electrical current flowing from said power source through said conductor to said transformer at that time so as to monitor the operating condition of said magnetron;

  • and whereinsaid actual amperage detector comprises;

    a current sampling circuit and means for determining from said current sampling circuit the highest reading on said current having a sinusoidal wave form.

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