Patents by Inventor Joël Lelevé

Joël Lelevé 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 for detecting rain on a windscreen
    Patent number: 7860275
    Abstract: A method for detecting raindrops on a windscreen, which uses a camera, which is fitted inside the vehicle opposite the windscreen and which is focused at infinite. The method comprises steps of acquiring images by a camera through the windscreen, camera preferably focused at infinite, retrieving the contours of the spots present on the acquired images, and realizing the histogram of the widths of contours of the spots.
    Type: Grant
    Filed: May 21, 2007
    Date of Patent: December 28, 2010
    Assignee: Valeo Vision
    Inventors: Joël Lelevé, Julien Rebut, Abdelaziz Bensrhair, Georges Challita
  • System and method of detecting driving conditions for a motor vehicle
    Patent number: 7350945
    Abstract: A system for a motor vehicle for detecting driving conditions on a road, including a nebulosity, the range of visibility in the presence of a nebulosity or the distance between an obstacle in the road and the motor vehicle. The system includes a headlight which emits a visible light beam and an infrared light beam, at least one light sensor which receives at least a portion of the infrared beam reflected back to the vehicle, a optical device for directing at least a part of the reflected infrared beam to the light sensor and a device for detecting the modulated signal of the reflected infrared beam and determining at least one driving condition based on a comparison of the reflected infrared beam modulated signal and the corresponding emitted infrared beam modulated signal.
    Type: Grant
    Filed: January 7, 2005
    Date of Patent: April 1, 2008
    Assignee: Valeo Vision
    Inventors: Pierre Albou, Joël Lelevé