Method and apparatus for a virtual display/keyboard for a PDA
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United States of America Patent
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-
Jul 24, 2001
Grant Date -
N/A
app pub date -
Aug 27, 1998
filing date -
Aug 27, 1998
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An improved computer or PDA with a projected display onto a substantially flat, white surface to create a virtual computer screen display and a projected keyboard onto the substantially flat, white surface and a laser sensor projected over the keyboard and parallel to the substantially flat, white surface to create a virtual keyboard. The virtual display and virtual keyboard permit the computer or PDA to be substantially smaller than typical computers or PDA's, while also permitting a relatively normal size display and keyboard/user input area.
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