Patents by Inventor Ross C. McKemmie

Ross C. McKemmie 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).

  • Automatic voltage regulator
    Patent number: 4219769
    Abstract: An automatic voltage regulator comprises means for monitoring the voltage of an alternator with a voltage crossover detector and a pulse generator so that a train of output control pulses are produced which are controlled in their mark to space ratio by the output of a circuit which senses the amplitude of the alternator output voltage.
    Type: Grant
    Filed: December 8, 1978
    Date of Patent: August 26, 1980
    Assignee: Contrology Techniques Limited
    Inventors: Alistair A. Macfarlane, Ross C. McKemmie