Method and apparatus for entering data using a virtual input device
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United States of America Patent
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-
Sep 2, 2003
Grant Date -
N/A
app pub date -
Feb 11, 2000
filing date -
Nov 4, 1999
priority date (Note) -
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status (Latency Note)
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Abstract
A user inputs digital data to a companion system such as a PDA, a cell telephone, an applicance, device using a virtual input device such as an image of a keyboard. A sensor captures three-dimensional positional information as to location of the user's fingers in relation to where keys would be on an actual keyboard. This information is processed with respect to finger locations and velocities and shape to determine when virtual keys would have been struck. The processed digital information is output to the companion system. The companion system can display an image of a keyboard, including an image of a keyboard showing user fingers, and/or alphanumeric text as such data is input by the user on the virtual input device.
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