Patents by Inventor Jean-Pierre Deshayes

Jean-Pierre Deshayes 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).

  • Apparatus for calibrating an optical instrument, and applications thereof
    Patent number: 5204733
    Abstract: To calibrate a radiometric optical instrument by means of a light source, the focal plane of the optical instrument containing photoelectric detectors which convert image brightness into an electrical signal, the light source is disposed in the entrance pupil or in the aperture diaphragm of the instrument. The invention is particularly suitable for calibrating an optical instrument on board a satellite.
    Type: Grant
    Filed: December 20, 1990
    Date of Patent: April 20, 1993
    Assignee: Centre National d'Etudes Spatiales
    Inventor: Jean-Pierre Deshayes