Patents by Inventor Nicolas Chatel

Nicolas Chatel 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).

  • Device for measuring speed and position of a vehicle moving along a guidance track, method and computer program product corresponding thereto
    Patent number: 9221481
    Abstract: A device is provided for measuring speed and/or position of a vehicle moving along a guidance track, by day and by night, and doing so whatever the climatic conditions. Such a device includes at least one image capture apparatus delivering a sequence of digital images of an environment of the vehicle; an apparatus that determines the apparent motion of at least one visual index, called a primitive, between two images delivered by the image capture apparatus, so as to determine the apparent motion of said at least one visual index; and an apparatus that estimates speed and/or the position of the vehicle on the basis of the apparent motion of the at least one visual index.
    Type: Grant
    Filed: June 8, 2012
    Date of Patent: December 29, 2015
    Assignees: J.M.R. PHI
    Inventors: Jean-Luc Desbordes, Nicolas Chatel
  • DEVICE FOR MEASURING SPEED AND POSITION OF A VEHICLE MOVING ALONG A GUIDANCE TRACK, METHOD AND COMPUTER PROGRAM PRODUCT CORRESPONDING THERETO
    Publication number: 20150008294
    Abstract: A device is provided for measuring speed and/or position of a vehicle moving along a guidance track, by day and by night, and doing so whatever the climatic conditions. Such a device includes at least one image capture apparatus delivering a sequence of digital images of an environment of the vehicle; an apparatus that determines the apparent motion of at least one visual index, called a primitive, between two images delivered by the image capture apparatus, so as to determine the apparent motion of said at least one visual index; and an apparatus that estimates speed and/or the position of the vehicle on the basis of the apparent motion of the at least one visual index.
    Type: Application
    Filed: June 8, 2012
    Publication date: January 8, 2015
    Applicants: J.M.R. PHI
    Inventors: Jean-Luc Desbordes, Nicolas Chatel