Systems and methods to provide input/output for a portable data processing device
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United States of America Patent
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N/A
Issued Date -
Mar 22, 2007
app pub date -
Sep 19, 2005
filing date -
Sep 19, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Systems and methods are disclosed to provide input/output for a portable data device by projecting a keyboard pattern using a light projector; capturing one or more images of a user's digits on the keyboard pattern with a camera; decoding a character being typed on the keyboard pattern; and displaying the typed character using the light projector.
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