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:
Aug. 28, 2007
Filed:
Jun. 17, 2005
Applicants:
David Michael Lane, Sammamish, WA (US);
Thomas Patrick Lennon, Seattle, WA (US);
Inventors:
David Michael Lane, Sammamish, WA (US);
Thomas Patrick Lennon, Seattle, WA (US);
Assignee:
Microsoft Corp., Redmond, WA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
In an aspect of the present invention, methods and systems for providing an input device are disclosed. In an aspect of the present invention, the input device includes a symbol and a UV light source is provided to direct UV light on the symbol. The symbol includes an UV excitable compound. In an aspect of the invention, the UV light from the UV light source is directed onto the symbol with a light pipe. In operation, the UV light causes the symbol to glow so that the symbol is visible in a darkened environment.