The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 25, 2010
Filed:
Sep. 29, 2006
Applicants:
Marshall Field, Corvallis, OR (US);
Gregory J. May, Corvallis, OR (US);
Peter J. Fricke, Corvallis, OR (US);
Timothy D. Emmerich, Corvallis, OR (US);
Inventors:
Marshall Field, Corvallis, OR (US);
Gregory J. May, Corvallis, OR (US);
Peter J. Fricke, Corvallis, OR (US);
Timothy D. Emmerich, Corvallis, OR (US);
Assignee:
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/56 (2006.01); G03B 21/60 (2006.01);
U.S. Cl.
CPC ...
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.