Patents by Inventor Piet VANDER Lely

Piet VANDER Lely 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).

  • Record player
    Patent number: 3941392
    Abstract: An automatic diameter selection device for the pick-up arm of a record player. A sensing pin disposed in the turntable is depressed by records greater than a given diameter and cooperates with abutment members to move a plate between a plurality of locked positions. The plate moves only if, after a record has been placed on the turntable, the sensing pin occupies a position which differs from its previous position.
    Type: Grant
    Filed: September 26, 1974
    Date of Patent: March 2, 1976
    Assignee: U.S. Philips Corporation
    Inventors: Jozef-Antoon Grosemans, Piet VANDER Lely, Willem Hendrik Stigter