Patents by Inventor Maurice Vincent Whelan

Maurice Vincent Whelan 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).

  • Device for driving or energizing a display device
    Patent number: 3993991
    Abstract: A device for driving or energizing a display device in which an input signal varying stepwise or continuously in amplitude is converted into one or more output signals supplied to the display device by means of a semiconductor surface layer which can be controlled with a common gate electrode and preferably with an inversion layer which can be controlled in lateral extent.
    Type: Grant
    Filed: May 16, 1975
    Date of Patent: November 23, 1976
    Assignee: U.S. Philips Corporation
    Inventors: Jean Hubertus Josef Lorteije, Maurice Vincent Whelan