Invention Grant
- Patent Title: Multi-level power compatible wireless power receiving apparatus
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Application No.: US16739749Application Date: 2020-01-10
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Publication No.: US11218028B2Publication Date: 2022-01-04
- Inventor: Hyengcheul Choi , Bongsik Kwak , Seong Hun Lee
- Applicant: LG ELECTRONICS INC.
- Applicant Address: KR Seoul
- Assignee: LG ELECTRONICS INC.
- Current Assignee: LG ELECTRONICS INC.
- Current Assignee Address: KR Seoul
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: KR10-2019-0111698 20190909
- Main IPC: H02J50/40
- IPC: H02J50/40 ; H02J50/12 ; H01F38/14 ; H02J50/80

Abstract:
The present disclosure relates to a wireless power receiving apparatus capable of receiving multi-level power transmitted by a wireless power transmitting apparatus. According to an embodiment of the present disclosure, the wireless power receiving apparatus includes a first receiving coil in which induced current is generated by electromagnetic induction, a second receiving coil connected in series with the first receiving coil by a switch, and a processor that is driven based on the induced current generated by the first receiving coil and controls the switch based on power information included in the induction current to selectively connect the first receiving coil and the second receiving coil.
Public/Granted literature
- US20210075270A1 MULTI-LEVEL POWER COMPATIBLE WIRELESS POWER RECEIVING APPARATUS Public/Granted day:2021-03-11
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