Patents by Inventor Geoffrey Eastham

Geoffrey Eastham 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).

  • Diagnostic circuit protection device
    Patent number: 5452173
    Abstract: A circuit protection device for use with an electrical unit comprises driver circuitry connected to the electrical unit and connecting means electrically connecting the device to the electrical unit to provide a voltage signal indicative of a voltage associated with the electrical unit. A voltage detector is connected to the connecting means and receives the voltage signal, and provides a conditioned voltage signal output representative of the voltage signal. An analog-to-digital converter receives the conditioned voltage signal output and converts the conditioned voltage signal output to a digital value. A digital processing device receives the digital value from the analog-to-digital converter and provides an output signal to the driver circuitry to turn off power to the primary if an error is detected.
    Type: Grant
    Filed: September 8, 1992
    Date of Patent: September 19, 1995
    Assignee: Challenge Technologies, Inc.
    Inventors: C. Tom Brannon, Geoffrey Eastham