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Finger motion detecting apparatus and method

  • US 8,292,833 B2
  • Filed: 07/21/2010
  • Issued: 10/23/2012
  • Est. Priority Date: 08/27/2009
  • Status: Active Grant
First Claim
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1. A finger-motion detecting apparatus comprising:

  • a sensing unit to be disposed on a wrist of a subject person, said sensing unit configured to output a measurement signal which is in a form of an infrared ray into the wrist of the subject person and to receive a reflected signal of the measurement signal according to motion of tendons in the wrist of the subject person;

    a signal control unit configured to control whether the measurement signal is outputted and to adjust the measurement signal to optimize conditions for sensing changes of tendons in the wrist in the reflected signal; and

    a finger-motion recognizing unit configured to detect finger motion of the subject person from the reflected signal.

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