Patents by Inventor Jan Otto VAN Hattum

Jan Otto VAN Hattum 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: 4004177
    Abstract: A television camera tube in which the electrode which is positioned in front of the photosensitive layer is connected to the envelope by means of lug-shaped springs. To avoid microphonic interferences, the lug-shaped springs engage the wall of the envelope at the area of a bend in the spring so that a lever is formed.
    Type: Grant
    Filed: June 25, 1975
    Date of Patent: January 18, 1977
    Assignee: U.S. Philips Corporation
    Inventors: Jan Otto VAN Hattum, Willem Antonius Maria Hamersma