Methods and Systems for Pointing Device Using Acoustic Impediography
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United States of America Patent
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Issued Date -
Jan 19, 2012
app pub date -
May 16, 2011
filing date -
May 14, 2010
priority date (Note) -
Abandoned
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Abstract
Invention includes a novel pointing device which uses acoustic impediography as a means to locate the position of finger and then uses the said location to control the position of a cursor on a computer screen. In addition, while the finger is touching the sensor the touch-pressure level can be estimated via statistical data evaluation, as average brightness decreases with increasing touch-pressure providing a means for gesturing. This new device has the advantage that it can double as a biometric identification device for verifying the identity of the computer's user.
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