Patents by Inventor Eugene F. Modert

Eugene F. Modert 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).

  • Square wave light generator
    Patent number: 3990787
    Abstract: Light rays are provided in square wave form at uniform intervals. A source f light is provided within three cylinders. The first cylinder being stationary has an aperture extending 120.degree.. The second and third cylinders each have apertures extending 240.degree., and the cylinders rotate in opposite directions. In operation the device gives equal light and dark periods with a rise and fall time one-half the period of the full open and full close time. The length of the periods are dependent on the rotational velocity of the cylinders.
    Type: Grant
    Filed: September 25, 1975
    Date of Patent: November 9, 1976
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventor: Eugene F. Modert