Patents by Inventor Fatima Benhalima

Fatima Benhalima 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).

  • Method of obtaining a range of colors
    Patent number: 6864981
    Abstract: A method of obtaining a range of colors includes the following steps: selecting a test color from a predetermined set of colors, selecting a test palette comprising a plurality of color samples, measuring the real color of each sample when illuminated by a white light source, measuring the apparent color of each sample when illuminated by a test source formed by the white light source filtered by the test color, measuring the chromatic error between the real color and the apparent color of each sample, taking account of chromatic adaptation, measuring the mean chromatic error for all the chromatic errors, comparing the mean chromatic error to a test value, and adding the test color to the range if the mean chromatic error is less than or equal to the test value.
    Type: Grant
    Filed: June 20, 2002
    Date of Patent: March 8, 2005
    Assignees: Essilor International (Compagnie Generale d'Optique), Museum National d'Histoire Naturelle
    Inventors: Françoise Vienot, Fatima Benhalima, Hans Brettel
  • Method of obtaining a range of colors
    Publication number: 20030053063
    Abstract: A method of obtaining a range of colors includes the following steps:
    Type: Application
    Filed: June 20, 2002
    Publication date: March 20, 2003
    Inventors: Francoise Vienot, Fatima Benhalima, Hans Brettel