Patents by Inventor Alice E. Cassidy

Alice E. Cassidy 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).

  • Digital circuit interrupter with an improved sampling algorithm
    Patent number: 5159519
    Abstract: A digital circuit interrupter having a keypad and display for entering and viewing the trip parameters utilizes a sampling algorithm to periodically sample the current within a protected circuit. The sampling algorithm allows a real time constant sampling interval independent of wide variations in the power system frequency.
    Type: Grant
    Filed: March 11, 1991
    Date of Patent: October 27, 1992
    Assignee: General Electric Company
    Inventors: Alice E. Cassidy, Robert J. Danek