Invention Grant
- Patent Title: Wireless power receiver and electronic device
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Application No.: US16828458Application Date: 2020-03-24
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Publication No.: US11355972B2Publication Date: 2022-06-07
- Inventor: Daisuke Uchimoto
- Applicant: ROHM Co., LTD.
- Applicant Address: JP Kyoto
- Assignee: ROHM Co., LTD.
- Current Assignee: ROHM Co., LTD.
- Current Assignee Address: JP Kyoto
- Agency: Chip Law Group
- Priority: JPJP2019-065945 20190329
- Main IPC: H02J50/90
- IPC: H02J50/90 ; H02J7/02 ; H02J50/80 ; H02J50/12

Abstract:
A wireless power receiver receives a power signal from a wireless power transmitter, the wireless power receiver including a reception antenna including a reception coil, a rectifier circuit that rectifies a current of the reception antenna, a plurality of position detection coils provided near the reception coil or provided to overlap the reception coil, and a position detection unit that detects a positional relation between the position detection coils and a transmission coil of the wireless power transmitter based on a detection signal indicating an electrical state of the position detection coils. An electronic device includes the wireless power receiver. Another electronic device includes a wireless power receiver that receives a power signal from a wireless power transmitter and that can detect a position of a transmission coil of the wireless power transmitter, and a notification unit that notifies a user of information based on the position of the transmission coil.
Public/Granted literature
- US20200313470A1 WIRELESS POWER RECEIVER AND ELECTRONIC DEVICE Public/Granted day:2020-10-01
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