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:
May. 26, 2026
Filed:
Jul. 21, 2023
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Denso Corporation, Kariya, JP;
Kazutaka Kimura, Mishima, JP;
Toshiya Hashimoto, Miyoshi, JP;
Makoto Hashimoto, Seto, JP;
Nobuhisa Yamaguchi, Kariya, JP;
Keisuke Tani, Kariya, JP;
Kazuyoshi Obayashi, Kariya, JP;
Masaki Kanesaki, Susono, JP;
Yuichi Takemura, Kariya, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;
DENSO CORPORATION, Kariya, JP;
Abstract
A power supply device that wirelessly transmits power includes: a DC power source; an inverter circuit connected to the DC power source; a resonance circuit connected to the inverter circuit and including a power transmission coil; sensors that detect a current value flowing through the circuits or a voltage value applied to the circuits; and a control device connected to the inverter circuit and the sensor. The control device controls, when causing the power supply device to wirelessly transmit power, the inverter circuit to convert a DC voltage supplied from the DC power source into an AC voltage and supply the AC voltage to the resonance circuit. The control device controls, when diagnosing a sensor abnormality, the inverter circuit to supply the DC voltage to the resonance circuit without converting the DC voltage into the AC voltage and diagnoses a sensor abnormality based on a present sensor detection value.