Resonance terminal device for resonant wireless power reception system
First Claim
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1. A resonant wireless power reception apparatus, comprising:
- a near field communication (NFC) antenna for performing an NFC function through an NFC frequency band;
a resonator for receiving wireless power using a resonance frequency, the resonator being installed adjacent to the NFC antenna and having a first terminal and second terminal, wherein the resonance frequency is not within the NFC frequency band;
a first filer circuit for filtering a signal whose frequency is within the NFC frequency band, the first filter circuit having a first end and a second end, wherein the first end of the first filter circuit is connected to the first terminal of the resonator;
a second filter circuit for filtering a signal whose frequency is within the NFC frequency band, the second filter circuit having a first end and a second end, wherein the first end of the second filter circuit is connected to the second terminal of the resonator; and
a shunt capacitor having a first end that is directly connected to the second end of the first filter circuit and a second end that is directly connected to the second end of the second filter circuit and having a preset capacitance of eliminate harmonic radiation characteristics generated by the resonator.
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Abstract
A resonant wireless power reception apparatus includes a wireless near field communication (NFC) antenna for performing an NFC function through an NFC frequency band, a resonator for receiving resonant wireless power using a resonance frequency different from the NFC frequency band, the resonator being installed adjacent to the NFC antenna, and a high impedance circuit for filtering a signal having the NFC frequency band provided from the NFC antenna, the high impedance circuit being connected to the resonator.
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Citations
3 Claims
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1. A resonant wireless power reception apparatus, comprising:
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a near field communication (NFC) antenna for performing an NFC function through an NFC frequency band; a resonator for receiving wireless power using a resonance frequency, the resonator being installed adjacent to the NFC antenna and having a first terminal and second terminal, wherein the resonance frequency is not within the NFC frequency band; a first filer circuit for filtering a signal whose frequency is within the NFC frequency band, the first filter circuit having a first end and a second end, wherein the first end of the first filter circuit is connected to the first terminal of the resonator; a second filter circuit for filtering a signal whose frequency is within the NFC frequency band, the second filter circuit having a first end and a second end, wherein the first end of the second filter circuit is connected to the second terminal of the resonator; and a shunt capacitor having a first end that is directly connected to the second end of the first filter circuit and a second end that is directly connected to the second end of the second filter circuit and having a preset capacitance of eliminate harmonic radiation characteristics generated by the resonator. - View Dependent Claims (2, 3)
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Specification