Patents by Inventor Cordon R. Kerns

Cordon R. Kerns 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).

  • Current level detector
    Patent number: 4027239
    Abstract: A device is provided for detecting the current level of a DC signal. It includes an even harmonic modulator to which a reference AC signal is applied. The unknown DC signal acts on the reference AC signal so that the output of the modulator includes an even harmonic whose amplitude is proportional to the unknown DC current.
    Type: Grant
    Filed: November 25, 1975
    Date of Patent: May 31, 1977
    Assignee: The United States of America as represented by the United States Energy Research and Development Administration
    Inventor: Cordon R. Kerns