Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
David Michael Lane0
Thomas Patrick Lennon0
Date of Patent
August 28, 2007
0Patent Application Number
111554210
Date Filed
June 17, 2005
0Patent Primary Examiner
Patent 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.
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