Patents by Inventor Marcus R. Eastman

Marcus R. Eastman 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).

  • Pulse width modulation (PWM) with jewel pivot accelerometer
    Patent number: 4315434
    Abstract: The output of the accelerometer is sent to a pulse width modulating digitng circuitry which consists of a comparator to generate the PWM signal, a flip-flop steering circuit, an "H" switch to toggle the torquer constant current either positive or negative, and an AND gate to gate the clock pulses for the output.
    Type: Grant
    Filed: May 21, 1980
    Date of Patent: February 16, 1982
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventor: Marcus R. Eastman