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TOUCH SENSOR DEVICE AND ELECTRONIC APPARATUS HAVING THE SAME

  • US 20100259503A1
  • Filed: 04/08/2010
  • Published: 10/14/2010
  • Est. Priority Date: 04/10/2009
  • Status: Active Grant
First Claim
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1. A touch sensor device, comprising:

  • a first human body contact part which forms a capacitance between a human body and the first human body contact part itself when the human body makes a contact or approaches thereto;

    a power supply part which outputs an AC voltage to the first human body contact part;

    a current detecting part which detects a current flown from the power supply part to the human body;

    a reference potential part to be a reference potential of the AC voltage; and

    a second human body contact part which is electrically connected to the reference potential part and to which the human body makes a contact.

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