METHOD AND ELECTRONIC DEVICE FOR CHARGING PEN
First Claim
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1. A pen including a battery, the pen comprising:
- a resonance circuit unit configured to resonate with an electromagnetic field formed in an electronic device to output a resonance signal;
a switch control unit configured to, when an intensity of the resonance signal exceeds an intensity of a first reference range, output a signal corresponding to a first level range; and
a switch unit configured to connect the resonance circuit unit and the battery in response to reception of the signal corresponding to the first level range.
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Abstract
Various embodiments of the present disclosure relate to a method for charging a pen, and the pen may include: a resonance circuit unit that resonates with an electromagnetic field formed in an electronic device to output a resonance signal; a switch control unit that, when the intensity of the resonance signal exceeds an intensity of a first reference range, outputs a signal corresponding to a first level range; and a switch unit that connects the resonance circuit unit and a battery in response to reception of the signal corresponding to the first level range. Various embodiments in addition thereto are also possible.
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Citations
20 Claims
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1. A pen including a battery, the pen comprising:
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a resonance circuit unit configured to resonate with an electromagnetic field formed in an electronic device to output a resonance signal; a switch control unit configured to, when an intensity of the resonance signal exceeds an intensity of a first reference range, output a signal corresponding to a first level range; and a switch unit configured to connect the resonance circuit unit and the battery in response to reception of the signal corresponding to the first level range. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An electronic device comprising:
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a detecting sensor that includes at least one coil and is configured to; generate a detecting signal according to whether a pen is housed in a housing space of the electronic device by using the at least one coil, and output the detecting signal; and a processor configured to; determine whether the pen is housed at least based on the detecting signal of the detecting sensor, and when the pen is housed in the electronic device, apply a signal the at least one coil included in the detecting sensor to charge the pen. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification