Patents by Inventor Franciscus Tol

Franciscus 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).

  • High-voltage generating device
    Patent number: 4315306
    Abstract: A high-voltage generating device which comprises a transformer having a secondary coil subdivided into sections which are series-connected via diodes. The beginning of the first section is connected to a point of fixed potential via a further diode. The beginning and the end of the first section are also connected to this fixed potential point via first and second capacitors, respectively. As a result, a tapping lead connected, for example, to the beginning of the second section provides a voltage of from one to two times the voltage difference across a section, as desired.
    Type: Grant
    Filed: January 28, 1980
    Date of Patent: February 9, 1982
    Assignee: U.S. Philips Corporation
    Inventors: Franciscus Tol, Albertus B. A. Baggermans