Patents by Inventor Willem Cornelis Van Tol

Willem Cornelis Van Tol 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).

  • Solid-state storage drive
    Patent number: 3968385
    Abstract: A drive unit, such as a drive unit for a storage device including an integrated solid-state store, including an input terminal, a capacitively loaded output terminal, and a charging transistor which is connected between a supply terminal and the output terminal. The output terminal is connected, by means of a rectifying member, to a discharge switch, the output terminal also being connected, by means of a capacitive member, to a voltage supply circuit which is connected between the supply terminal and a control electrode of the charging resistor.
    Type: Grant
    Filed: October 31, 1974
    Date of Patent: July 6, 1976
    Assignee: U.S. Philips Corporation
    Inventor: Willem Cornelis Van Tol