Patents by Inventor Anne C. Croguenec

Anne C. Croguenec 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).

  • EQUIPMENT AND METHOD FOR MEASURING DENTAL SHADE
    Publication number: 20130164701
    Abstract: The invention relates to a device for measuring dental shade.
    Type: Application
    Filed: February 18, 2013
    Publication date: June 27, 2013
    Inventors: Jean-Marc Inglese, Anne C. Croguenec, Julien D. Barneoud
  • Equipment and method for measuring dental shade
    Patent number: 8400635
    Abstract: The invention relates to a device for measuring dental shade comprising: —illumination means (24, 40, 42, 44, 48, 50), for successively illuminating at least one part of a tooth (D) with light of various spectral ranges, —at least one sensor (26) sensitive to light coming from said tooth part, in response to the illumination, to generate for each different color of illumination, at least one measurement signal, —means (30, 32) for converting the measurement signals corresponding to said tooth part, into the coordinates of a measurement point (202), in a shade space in which “reference” points (320, 410, 540) are also defined, corresponding to the preset shades of a dental shade guide, and—search means (114), for the tooth part, for a shade corresponding to the reference point closest to the measurement point, in the shade space.
    Type: Grant
    Filed: February 7, 2005
    Date of Patent: March 19, 2013
    Assignee: Carestream Health, Inc.
    Inventors: Jean-Marc Inglese, Anne C. Croguenec, Julien D. Barneoud