HAND HELD ACTIVATING LIGHT SOURCES FOR PHOTO-CHROMIC TOYS
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United States of America Patent
Stats
-
N/A
Issued Date -
Mar 1, 2007
app pub date -
Aug 22, 2006
filing date -
Aug 24, 2005
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
In one embodiment of the invention, a doubled ended light pen for photo-chromic toys is disclosed. A doubled ended light pen includes a housing having a first end and a second end, a first ultraviolet light emitting diode (UVLED) mounted near the first end of the housing, a second UVLED mounted near the second end of the housing, and first and second switches mounted in the housing. The housing holds one or more batteries to provide power. The first switch and the second switch respectively switch ON and OFF the power supplied by the one or more batteries to the first UVLED and the second UVLED. When powered on, the first UVLED applies a wide angle activation light while the second UVLED applies a point source activation light to a photo-chromic surface.
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Family
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Cited Art Landscape
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