Patents by Inventor Christian Bovet

Christian Bovet 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).

  • Automatic interpupillary distance measuring device
    Patent number: 4881806
    Abstract: To measure automatically a distance related to the interpupillary distance of a person, a light source generates a corneal reflection on at least one eye of the person. By means of a scanning system such as a rotating mirror, a sensor receiver is scanned transversely to the general direction of observation of the person to direct light rays from the corneal reflection or reflections onto the sensor receiver in which is a measurement reference mark relative to which the corneal reflection or reflections is or are located.
    Type: Grant
    Filed: July 26, 1988
    Date of Patent: November 21, 1989
    Assignee: Essilor International Cie Generale d'Optique
    Inventor: Christian Bovet