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:
Mar. 28, 2023
Filed:
Feb. 17, 2021
Asahi Kasei Microdevices Corporation, Tokyo, JP;
Hiroaki Enomoto, Tokyo, JP;
Shiro Taga, Tokyo, JP;
Asahi Kasei Microdevices Corporation, Tokyo, JP;
Abstract
A wireless power feeding system is provided, comprising a power transmission apparatus configured to transmit predetermined transmission power and a power reception apparatus configured to receive the transmission power and generate input voltage according to the transmission power, wherein the power transmission apparatus includes a power transmission control unit configured to control an amount of the transmission power, the power transmission control unit is configured to receive a modulation signal from the power reception apparatus, and to reduce the transmission power in a case where the modulation signal is not received for a predetermined period after receiving the previous modulation signal, and the power transmission apparatus and the power reception apparatus are configured to control the input voltage to be larger than a predetermined first threshold and below a second threshold which is larger than the first threshold.