Patents by Inventor Timothy D. Emmerich

Timothy D. Emmerich 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).

  • Optical modulation system
    Patent number: 7876400
    Abstract: Embodiments including a charge responsive optical material are disclosed.
    Type: Grant
    Filed: October 31, 2005
    Date of Patent: January 25, 2011
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Roshan B. Baliga, Timothy D. Emmerich, Peter J. Fricke, Richard Aufranc, John A. Devos, P. Guy Howard
  • Active layer
    Patent number: 7724431
    Abstract: A method and apparatus apply an electric field across active layer, wherein active layer is configured to change from a first light attenuating state to a second lesser light attenuating state in response to the applied the electric field and wherein the second lesser light attenuating state permits light to be reflected from a light reflective face.
    Type: Grant
    Filed: September 29, 2006
    Date of Patent: May 25, 2010
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Marshall Field, Gregory J. May, Peter J. Fricke, Timothy D. Emmerich
  • Composite light based adjustment
    Patent number: 7457035
    Abstract: Embodiments of sensing light are disclosed.
    Type: Grant
    Filed: August 19, 2005
    Date of Patent: November 25, 2008
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Peter J. Fricke, Timothy D. Emmerich, Roshan B. Baliga
  • Encrypting data
    Patent number: 7370978
    Abstract: Embodiments disclose encrypting data used to adjust reflectivity of the screen.
    Type: Grant
    Filed: May 9, 2005
    Date of Patent: May 13, 2008
    Inventors: Daryl E. Anderson, Andrew L. Van Brocklin, Peter James Fricke, Timothy D. Emmerich
  • Active layer
    Publication number: 20080080047
    Abstract: A method and apparatus apply an electric field across active layer, wherein active layer is configured to change from a first light attenuating state to a second lesser light attenuating state in response to the applied the electric field and wherein the second lesser light attenuating state permits light to be reflected from a light reflective face.
    Type: Application
    Filed: September 29, 2006
    Publication date: April 3, 2008
    Inventors: Marshall Field, Gregory J. May, Peter J. Fricke, Timothy D. Emmerich
  • Charge responsive optical material
    Publication number: 20070097478
    Abstract: Embodiments including a charge responsive optical material are disclosed.
    Type: Application
    Filed: October 31, 2005
    Publication date: May 3, 2007
    Inventors: Roshan B. Baliga, Timothy D. Emmerich, Peter J. Fricke, Richard Aufranc, John A. Devos, P. Guy Howard