Optical user interface for controlling portable electric device
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United States of America Patent
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Jan 16, 2007
Issued Date -
N/A
app pub date -
Dec 29, 2003
filing date -
Dec 30, 2002
priority date (Note) -
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Abstract
An optical user interface for controlling a portable electric device, such as a portable phone is provided. The user interface comprises a stripe-like optical contact surface, on which the finger of the user of the electric device is placed. A series of images of the fingerprint is taken and processed such that a motion vector or an image of the fingerprint is obtained. The invention provides a small-sized and economical user interface in terms of battery consumption and manufacturing costs.
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