Patents by Inventor Charles W. Sweeting

Charles W. Sweeting 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).

  • Patent number: 4546421
    Abstract: A flyback feedforward circuit for a pulse width modulated DC power supply in which the duty cycle is determined by varying the slope and peak amplitude of the sawtooth waveform under the influence of a weighted sum of input and output voltages.
    Type: Grant
    Filed: March 28, 1984
    Date of Patent: October 8, 1985
    Assignee: United Technologies Corporation
    Inventors: Vincent G. Bello, Charles W. Sweeting
  • Patent number: 4536700
    Abstract: A boost feedforward circuit for a pulse width modulated DC power supply in which the duty cycle is determined by varying the error signal level with respect to the instantaneous level of a sawtooth waveform, under the influence of a feedforward portion of the input voltage.
    Type: Grant
    Filed: March 28, 1984
    Date of Patent: August 20, 1985
    Assignee: United Technologies Corporation
    Inventors: Vincent G. Bello, Charles W. Sweeting