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ELECTRONIC DEVICE

  • US 20120105375A1
  • Filed: 10/25/2011
  • Published: 05/03/2012
  • Est. Priority Date: 10/27/2010
  • Status: Abandoned Application
First Claim
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1. An electronic device comprising:

  • a housing;

    a touch surface exposed to a surface of the housing;

    a displacement detector configured to detect a displacement of an object touching the touch surface based on a light from the touch surface;

    a rotational movement detector configured to detect a rotational movement of the object based on the displacement detected by the displacement detector;

    a linear movement detector configured to detect a linear movement of the object based on the displacement detected by the displacement detector;

    a signal generator configured to generate a first operation signal corresponding to the rotational movement detected by the rotational movement detector and to generate a second operation signal corresponding to the linear movement detected by the linear movement detector; and

    a control unit configured to control an operation to be performed based on the first operation signal and an operation to be performed based on the second operation signal.

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