Patents by Inventor Rachel Fillmore Smythe

Rachel Fillmore Smythe 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).

  • Cabinet-surface-mounted projection lens and methods
    Patent number: 7470030
    Abstract: A projection system includes a cabinet having a surface with an aperture therein, a projector disposed within the cabinet, adapted to project light through the aperture in the surface of the cabinet, and a lens disposed in the aperture to project the light onto a screen disposed generally non-parallel to the cabinet surface having the aperture.
    Type: Grant
    Filed: July 28, 2005
    Date of Patent: December 30, 2008
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: John A. Devos, Gregory J. May, Rachel Fillmore Smythe
  • Dynamic projection screen
    Patent number: 7130118
    Abstract: An enhanced-contrast projection screen and method of controlling such screens are disclosed. An embodiment of a dynamic projection screen includes a passive layer and at least one active layer. The active layer is superimposed on at least a portion of the passive layer and is adapted to selectively toggle between being transparent and being opaque. A method of controlling such a screen includes determining desired dimensions of a reflective region, and activating at least a portion of an active layer superimposed on at least a portion of a passive layer. The active layer is adapted to selectively toggle between being transparent and opaque.
    Type: Grant
    Filed: August 6, 2004
    Date of Patent: October 31, 2006
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Rachel Fillmore Smythe, John A. Devos