TOUCH SENSOR DEVICE AND ELECTRONIC APPARATUS HAVING THE SAME
First Claim
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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Accused Products
Abstract
To provide a touch sensor device and the like, which can improve the detecting accuracy of a surface-capacitive type touch sensor. A touch sensor device of the present invention includes: a touch panel which forms a capacitance between a human body and itself when the human body makes a contact or approaches thereto; a power supply part which has a battery or the like which outputs a DC voltage, converts the DC voltage to an AC voltage, and outputs the AC voltage from the touch panel; a reference potential part to be a reference potential of the AC voltage; a wrist strap and a cable which are electrically connected to the reference potential part and to which the human body makes a contact; and a current detecting part which detects electric currents flown from the power supply part to the human body.
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Citations
20 Claims
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1. A touch sensor device, comprising:
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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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification