Patents by Inventor Charles C. Petty

Charles C. Petty 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).

  • Internal calibration source for infrared radiation detector
    Patent number: 4965448
    Abstract: An internal calibration source for an infrared radiation detector has a low emissivity surface with a high emissivity reticle thereon. An image of the detector is focused on the surface so that it is retroreflected back to the detector. The image is scanned between the high and low emissivity regions during calibration.
    Type: Grant
    Filed: April 24, 1986
    Date of Patent: October 23, 1990
    Assignee: Honeywell Inc.
    Inventors: Paul G. Morse, Charles C. Petty