Patents by Inventor Walter J. Dippold

Walter J. Dippold 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: 4134009
    Abstract: The dynamic range enhancement of the image intensifier is provided by an electrically conductive membrane or mesh which is disposed within the intensifier between the photocathode and the microchannel plate and a pulse width modulator to provide a control signal proportional to the light level adjacent the output window of the intensifier to provide a control signal for the membrane or mesh to control the electron image from the photocathode.
    Type: Grant
    Filed: June 13, 1977
    Date of Patent: January 9, 1979
    Assignee: International Telephone & Telegraph Corp.
    Inventor: Walter J. Dippold