Apparatus and method for providing charging status information in wireless power transmission system
Number of patents in Portfolio can not be more than 2000
United States of America
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Jan 21, 2025
Grant Date -
May 4, 2023
app pub date -
Jul 30, 2019
filing date -
Jul 30, 2019
priority date (Note) -
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Abstract
Disclosed in the present specification is a wireless power reception device comprising: a power pickup unit configured to receive wireless power from a wireless power transmission device by means of magnetic coupling with the wireless power transmission device at an operational frequency and convert an alternating current signal generated by the wireless power into a direct current signal; a battery configured to receive the direct current signal from the power pickup unit; and a communication/control unit configured to receive the direct current signal from the power pickup unit, perform a handover procedure from in-band communication using the operational frequency to out-band communication using a frequency other than the operational frequency, perform a procedure for selecting a priority display device on which charging status information about the battery is to be displayed through the out-band communication with the wireless power transmission device, and generate the charging status information.
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