Patents by Inventor Alain Matge

Alain Matge 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).

  • Cartridge for a video-disk, and video-disk suitable for such a cartridge
    Patent number: 4320833
    Abstract: A cartridge for enclosing a video-disc, which comprises a sleeve and a tray. The video-disc is located into a cavity hollowed in the tray and secured to the bottom of this cavity along a circular central zone through the medium of a plurality of magnetic patches glued to it and attracted by a circular magnet embedded in the bottom of the cavity.
    Type: Grant
    Filed: October 14, 1980
    Date of Patent: March 23, 1982
    Assignee: Thomson-CSF
    Inventors: Pierre Antoniotti, Alain Matge, Philippe Guillon