Patents by Inventor Jean Blottiau

Jean Blottiau 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).

  • Process and apparatus for the automatic inspection of patterns
    Patent number: 4185298
    Abstract: An object pattern to be inspected, such as a printed circuit board, and a reference pattern are scanned synchronously by respective cameras. The outputs of the cameras are compared and a fault signal is produced when the outputs do not coincide.
    Type: Grant
    Filed: August 12, 1976
    Date of Patent: January 22, 1980
    Assignee: Compagnie Industrielle des Telecommunications Cit-Alcatel S.A.
    Inventors: Gilles Billet, Jean Blottiau