Patents by Inventor Ronald A. Bavol

Ronald A. Bavol 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).

  • Low power active input circuit
    Patent number: 6043703
    Abstract: An active input circuit module includes a plurality of active input circuits disposed on a circuit board each circuit having an input and a return. Each active input circuit further has a constant current source having a current source input and a constant current output coupled through a current limiting resistor to an opto-coupler input and the return. A shunt resistor is coupled in parallel with the opto-coupler input.
    Type: Grant
    Filed: July 30, 1997
    Date of Patent: March 28, 2000
    Assignee: Allen-Bradley Company, LLC
    Inventor: Ronald A. Bavol