The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 07, 2022
Filed:
Mar. 24, 2020
Rohm Co., Ltd., Kyoto, JP;
Daisuke Uchimoto, Kyoto, JP;
ROHM Co., LTD., Kyoto, JP;
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.