Patents by Inventor Paul P. M. Mathijs

Paul P. M. Mathijs 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).

  • Patent number: 5050147
    Abstract: A disc changer comprises a frame (1), a cassette holder (3) having a positioning surface (11) for a cassette comprising with a plurality of supports for a disc, in particular an optical disc, means (75, 87) for moving said supports out of and into the cassette, and retaining means (103, 117) for retaining a disc which has been moved out of the cassette. The disc changer comprises a motor driven cassette lift to produce a rectilinear axial movement of the cassette holder relative to the frame in a direction transverse to the positioning surface of the cassette holder to transfer the discs in the cassette to a predetermined plane. The cassette lift comprises a lift element (21) which is rotatably connected to the cassette holder and which is coupled to drive means (41), which lift element has an axis of rotation (31) extending transversely of said positioning surface.
    Type: Grant
    Filed: April 3, 1989
    Date of Patent: September 17, 1991
    Assignee: U.S. Philips Corporation
    Inventors: Henri M. Grobben, Willem J. Borgions, Paul P. M. Mathijs