Patents by Inventor Charlie Lenny

Charlie Lenny has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Magnetron variable power supply with moding prevention
    Patent number: 5571439
    Abstract: A power supply for a magnetron varies a power output level and prevents moding of the magnetron. To provide a variable power output, a microprocessor senses an anode current and voltage of the magnetron. Based on the sensed signals, the microprocessor adjusts the conduction angle of a thyristor to obtain the desired power level. The microprocessor also monitors the anode voltage for detecting moding of the magnetron. If moding is detected, the microprocessor adjusts the conduction angle of another thyristor to change the current supplied to the filament. By changing the filament current, the microprocessor effectively prevents the moding of the magnetron.
    Type: Grant
    Filed: April 27, 1995
    Date of Patent: November 5, 1996
    Assignee: Fusion Systems Corporation
    Inventors: Chuck Daley, Robert J. Sweetman, Charlie Lenny