Patents by Inventor Shirley Rae Duvall, legal representative

Shirley Rae Duvall, legal representative 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).

  • Image sensor having a variable aperture and mono-color focal plane array for dual color detection
    Patent number: 7655911
    Abstract: An image sensor is provided that includes a focal plane array; a cold shield having a top wall disposed over the focal plane array and defining an aperture operatively configured to be selectively switched between a first diameter and a second diameter that is larger than the first diameter; and a filter element disposed between the cold shield aperture and the focal plane array. The filter element includes a first band-pass filter and a second band-pass filter. The first band-pass filter is disposed directly beneath the cold shield aperture when the cold shield aperture is switched to the first diameter or the second diameter. The second band-pass filter is covered by the top wall of the cold shield when the cold shield aperture is switched to the first diameter and is disposed directly beneath the cold shield aperture when the cold shield aperture is switched to the second diameter.
    Type: Grant
    Filed: April 19, 2007
    Date of Patent: February 2, 2010
    Assignee: DRS Sensors & Targeting Systems, Inc.
    Inventors: Terence Joseph Murphy, Robert Duvall, Shirley Rae Duvall, legal representative