Patents by Inventor Robert D. Scott, Jr.

Robert D. Scott, Jr. 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).

  • Battery charger
    Patent number: 4152635
    Abstract: A battery charging circuit employing three operational amplifiers, one to sense charging current and two to regulate constant voltage charging, one for low rate or float level and one for high rate charging. A resistance element acts as part of the current sensing circuit and also limits charge current. A Zener diode provides a voltage reference and aids in sensing deviations of actual terminal voltage from desired terminal voltage to provide feedback control to the voltage regulating operational amplifiers.
    Type: Grant
    Filed: July 14, 1977
    Date of Patent: May 1, 1979
    Assignee: Research Development Systems, Inc.
    Inventor: Robert D. Scott, Jr.