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公开(公告)号:US20180215277A1
公开(公告)日:2018-08-02
申请号:US15746327
申请日:2016-05-27
Inventor: Futoshi DEGUCHI , Yoshio KOYANAGI , Kazuhiro EGUCHI , Katsuya OKAMOTO , Ryosuke HASABA
CPC classification number: B60L53/31 , B60L53/12 , B60L2200/32 , B63G8/001 , B63H19/00 , H02J7/025 , H02J50/12 , H02J50/40 , H02J50/50 , H04B5/0037 , Y02T10/7005
Abstract: A power transmission device is configured to transmit power underwater to an underwater vehicle having a power reception coil. The power transmission device includes a power transmission coil configured to transmit power to the power reception coil through a magnetic field, a power transmission unit configured to transmit an alternating current voltage having a frequency a 10 kHz or lower to the power transmission coil, and a first capacitor connected to the power transmission coil and configured to form a resonance circuit resonating at the frequency with the power transmission coil.
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公开(公告)号:US20210006339A1
公开(公告)日:2021-01-07
申请号:US16754654
申请日:2019-01-29
Inventor: Kazuhiro EGUCHI , Souichi KAWATA , Katsuya OKAMOTO , Yoshio KOYANAGI
Abstract: A underwater communication device communicates data with another underwater communication device having another first coil and another second coil in water. The underwater communication device includes a first coil configured to transmit the data to and from the other first coil via a magnetic field, a second coil configured to transmit the data to and from the other second coil via a magnetic field, a supply unit configured to supply the data to the first coil and the second coil, a first capacitor connected to the first coil and forming a first resonance circuit that resonates with the first coil at a first resonance frequency, and a second capacitor connected to the second coil and forming a second resonance circuit that resonates with the second coil at a second resonance frequency that is different from the first resonance frequency.
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公开(公告)号:US20170048457A1
公开(公告)日:2017-02-16
申请号:US15337877
申请日:2016-10-28
Inventor: Kazuhiro EGUCHI , Ryuuichi YATSUNAMI , Hideki TATEMATSU
CPC classification number: H04N5/23241 , G03B17/561 , G03B2206/00 , G06K9/00771 , H01F38/14 , H02J7/025 , H02J50/10 , H04N5/2251 , H04N5/23203 , H04N5/23209
Abstract: An imaging apparatus of the disclosure includes a base that has a power transmitter for transmitting power wirelessly; and a movable unit that has a power receiver for receiving power wirelessly from the power transmitter, an imager operating on the basis of power received by the power receiver, and a first communicator transmitting image information acquired by the imager wirelessly. The movable unit is movable relative to the base. According to the disclosure, it is possible to improve reliability of transmission and reception of a signal and power, and it is possible to alleviate deficiency due to limitation on the number of operation times caused by a mechanical contact.
Abstract translation: 本公开的成像装置包括具有用于无线发射功率的功率发射器的基座; 以及可移动单元,具有用于从电力发送器无线地接收电力的功率接收器,基于由电力接收器接收的功率操作的成像器以及无线地发送由成像器获取的图像信息的第一通信器。 可移动单元可相对于底座移动。 根据本公开,可以提高信号和电力的发送和接收的可靠性,并且由于由机械接触引起的操作次数的限制,可以减轻缺陷。
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公开(公告)号:US20190082106A1
公开(公告)日:2019-03-14
申请号:US16184753
申请日:2018-11-08
Inventor: Kazuhiro EGUCHI , Ryuuichi YATSUNAMI , Hideki TATEMATSU
CPC classification number: H04N5/23241 , G03B17/561 , G03B2206/00 , G06K9/00771 , H01F38/14 , H02J7/025 , H02J50/10 , H04N5/2251 , H04N5/23203 , H04N5/23209
Abstract: An imaging apparatus of the disclosure includes a base that has a power transmitter for transmitting power wirelessly; and a movable unit that has a power receiver for receiving power wirelessly from the power transmitter, an imager operating on the basis of power received by the power receiver, and a first communicator transmitting image information acquired by the imager wirelessly. The movable unit is movable relative to the base. According to the disclosure, it is possible to improve reliability of transmission and reception of a signal and power, and it is possible to alleviate deficiency due to limitation on the number of operation times caused by a mechanical contact.
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公开(公告)号:US20210305846A1
公开(公告)日:2021-09-30
申请号:US17264203
申请日:2019-06-07
Inventor: Ryosuke HASABA , Kazuhiro EGUCHI , Yoshio KOYANAGI , Katsuya OKAMOTO , Souichi KAWATA , Tatsuo YAGI
Abstract: 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.
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公开(公告)号:US20210281328A1
公开(公告)日:2021-09-09
申请号:US17194677
申请日:2021-03-08
Inventor: Kazuhiro EGUCHI , Souichi KAWATA , Katsuya OKAMOTO , Yoshio KOYANAGI
Abstract: An underwater communication device is provided and adapted to communicate data in water with another underwater communication device including another coil. The underwater communication device includes a first coil configured to transmit data to and from the other coil via a magnetic field, a second coil configured to transmit the data to and from the other coil via a magnetic field, and a supply unit configured to supply the data to at least one of the first coil and the second coil. A coil surface of the first coil and a coil surface of the second coil overlap each other.
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