Patents Examined by R. V. Rollinec
  • Power supply circuit for a microwave oven
    Patent number: 3967156
    Abstract: A power supply circuit for a microwave oven which includes a magnetron, a transformer, a plural capacitor, and a current rectifier. The power supply circuit is particularly adapted to provide constant power output from the magnetron using either a 50Hz or 60Hz input power by selecting an appropriate one of said plural capacitances.
    Type: Grant
    Filed: October 24, 1974
    Date of Patent: June 29, 1976
    Assignee: Litton Systems, Inc.
    Inventor: Stephen A. Levie