Wireless power receiver and method for controlling the same
First Claim
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1. A wireless power receiver comprising:
- a resonant tank receiving a power signal and varying a resonant frequency in response to a control signal; and
a determining unit determining a wireless power transmission mode on the basis of the power signal and outputting the control signal depending on a determination result, wherein the determining unit comprisesa detecting unit receiving the power signal and outputting a detection signal, anda controlling unit calculating a pulse width of the detection signal and outputting the control signal depending on the pulse width.
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Abstract
A wireless power receiver according to an exemplary embodiment in the present disclosure may include a resonant tank receiving a power signal and varying a resonant frequency in response to a control signal; and a determining unit determining a wireless power transmission mode on the basis of the power signal and outputting the control signal depending on a determination result.
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Citations
18 Claims
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1. A wireless power receiver comprising:
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a resonant tank receiving a power signal and varying a resonant frequency in response to a control signal; and a determining unit determining a wireless power transmission mode on the basis of the power signal and outputting the control signal depending on a determination result, wherein the determining unit comprises a detecting unit receiving the power signal and outputting a detection signal, and a controlling unit calculating a pulse width of the detection signal and outputting the control signal depending on the pulse width. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A method for controlling a wireless power receiver including a resonant tank, the method comprising:
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receiving a power signal by using the resonant tank; determining a wireless power transmission mode on the basis of the power signal; and adjusting a resonant frequency of the resonant tank according to the wireless power transmission mode, wherein the determining of the wireless power transmission mode comprises filtering the power signal to the output a detection signal, caluculating a pulse width of the detection signal, and determining the wireless power transmission mode depending on the pulse width. - View Dependent Claims (13, 14, 15, 16, 17, 18)
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Specification