Panasonic Intellectual Property Management Co., Ltd.

Panasonic Holdings Corporation

Tatsuo Yagi

Yoshio Koyanagi

Shuichiro Yamaguchi

Kazuhiro Eguchi

Katsuya Okamoto

Ryosuke Hasaba

Souichi Kawata

A power receiver apparatus is movable under water. The power receiver apparatus includes: a power receiver device configured to receive power wirelessly transmitted from a power transmitter apparatus; a power supply device including a storage battery and configured to charge the storage battery based on received power received by the power receiver device; a first sensor configured to detect a rectified voltage value rectified based on the received power; a second sensor configured to detect a charging current value to the storage battery charged by the power supply device; a processor configured to determine a power transmission voltage value corresponding to the power wirelessly transmitted from the power transmitter apparatus based on the rectified voltage value and the charging current value; and a communication device configured to transmit the power transmission voltage value determined by the processor to the power transmitter apparatus.

Power receiver apparatus, power transmission voltage control method, and underwater power supply system

A power receiving device is disposed underwater. The power receiving device includes a housing formed of a weak magnetic material, a ferromagnetic body that surrounds an outer side of the housing and is formed of a ferromagnetic material, and a power receiving coil wound around an outer side of the ferromagnetic body.

Power receiving device, power transmitting device, and underwater power supply system

Growing community of inventors

Fukuoka, Japan

Tatsuo Yagi