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公开(公告)号：US20230253832A1
公开(公告)日：2023-08-10
申请号：US18158765
申请日：2023-01-24
CPC分类号： H02J50/20 , H02J7/0048
摘要： An electronic device includes a power receiving device, a reception-side power storage unit configured to store power received by the power receiving device, a drive unit configured to be activated together with the power receiving device by the power stored in the reception-side power storage unit, a notification unit configured to notify a user of a state of the power in the reception-side power storage unit, a first power measurement unit configured to measure supplied power, a second power measurement unit configured to measure power consumption, and circuitry configured to change a notification mode in the notification unit based on a relationship between the supplied power and the power consumption.
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公开(公告)号：US20240332999A1
公开(公告)日：2024-10-03
申请号：US18615501
申请日：2024-03-25
发明人： Tsubasa SUZUKI , Yuki TOKUYAMA , Shinichiro FUKI , Tomokazu SAKAI , Atsushi SUGIHARA , Teppei ABE
CPC分类号： H02J7/0042 , H01Q1/248 , H02J50/40
摘要： A wirelessly rechargeable power supply device includes a circuit board, a power storage device, two or more antennas configured to receive power, a housing that accommodates the circuit board, the power storage device, and the two or more antennas, and a charging circuit that is mounted on the circuit board and is configured to charge the power storage device with the power received by the two or more antennas. The two or more antennas include a first antenna and a second antenna. A direction in which a sensitivity of the first antenna is lowest and a direction in which a sensitivity of the second antenna is lowest are different from each other.
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公开(公告)号：US20230318357A1
公开(公告)日：2023-10-05
申请号：US18124281
申请日：2023-03-21
发明人： Teppei ABE , Shinichiro FUKI , Tomokazu SAKAI , Shigeo TAKEDA , Yuki TOKUYAMA
CPC分类号： H02J50/12 , H02J50/20 , H02J7/007 , H02J50/005 , B60R16/02
摘要： A charger includes a power receiving unit, a power storage unit, and a power transmission unit. The power receiving unit is configured to receive, through wireless power supply via radio waves, power transmitted from a power transmitting device disposed in a vehicle. The power storage unit is configured to be supplied and charged with the power received by the power receiving unit. The power transmission unit is configured to transmit, through wireless power supply via electromagnetic induction, the power stored in the power storage unit to an electrical device that is to be charged.
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公开(公告)号：US20240313581A1
公开(公告)日：2024-09-19
申请号：US18602391
申请日：2024-03-12
发明人： Kazuhiro KITA , Yuki TOKUYAMA , Kazuhito KAWAMURA , Taku KOIKE , Hiroki KANEMOTO
摘要： A device power supply system is applied to a building including a recessed space that is formed to be recessed with respect to a wall surface of a living space and is opened toward the living space and is for supplying electric power to a device, and the device power supply system includes: a device arrangement portion that is provided in the recessed space and in which the device is to be disposed; and a power transmitter configured to transmit electric power to be supplied to the device disposed in the device arrangement portion as microwaves, and the power transmitter is disposed on a peripheral portion of the recessed space or at an inner side of the peripheral portion, and a transmission direction of the microwaves is set to a direction intersecting a depth direction of the recessed space.
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公开(公告)号：US20230246482A1
公开(公告)日：2023-08-03
申请号：US18158564
申请日：2023-01-24
发明人： Yuki TOKUYAMA , Shinichiro FUKI , Atsushi SUGIHARA
CPC分类号： H02J50/005 , H02J50/12 , H02J50/402 , H02J50/20
摘要： A contactless power supply system includes one or more power receiving devices, a power transmitting device, and a determining unit. The power receiving devices each include a transmitting unit and a power receiving unit. The power transmitting device includes a receiving unit and a power supplying unit. The determining unit is configured to determine, based on a prevention condition information that represents a prevention condition, whether the power receiving device that has transmitted the beacon signal satisfies the prevention condition. The power received by the power receiving device is prevented from increasing when the prevention condition is satisfied. The power supplying unit is configured to reduce power supply to the power receiving device that satisfies the prevention condition based on a determination result of the determining unit.
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公开(公告)号：US20230208168A1
公开(公告)日：2023-06-29
申请号：US18063108
申请日：2022-12-08
CPC分类号： H02J7/0047 , H02J50/10 , H02J50/402
摘要： A power transmitting device is configured to perform contactless power supply using a power transfer signal to a power receiving device that supplies power to a power supply target. The power transmitting device includes a power transmitting antenna, a region indicator unit, and processing circuitry. The power transmitting antenna is configured to transmit a power transfer signal to the power receiving device. The region indicator unit emits a visible beam. Based on a transmitted power that is transmitted as the power transfer signal, the processing circuitry derives a power receivable region, in which the power receiving device is capable of receiving the power transfer signal as a received power greater than or equal to a specified threshold. The processing circuitry uses the region indicator unit to emit the visible beam toward at least a part of the power receivable region.
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公开(公告)号：US20240213807A1
公开(公告)日：2024-06-27
申请号：US18527483
申请日：2023-12-04
发明人： Yuki TOKUYAMA , Atsushi SUGIHARA , Taku KOIKE , Riho MAMIYA , Shinichiro FUKI
摘要： A power transmitting device includes a power transmitting unit. The power transmitting unit is configured to transmit power through wireless power supply to a power receiving device disposed in a cabin of a mobile unit. At least one front seat and a rear seat are provided in the cabin to be aligned in a front-rear direction of the mobile unit. The interior of the cabin includes a first region that includes a region in which the front seat is disposed and a region on a front side, and a second region that includes a region in which the rear seat is disposed and a region on a rear side. The power transmitting unit is disposed such that a central axis of a power transmittable range in which the power can be transmitted is contained within the second region.
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公开(公告)号：US20230266806A1
公开(公告)日：2023-08-24
申请号：US18170594
申请日：2023-02-17
发明人： Yuki TOKUYAMA , Shinichiro FUKI , Teppei ABE , Tomokazu SAKAI
摘要： A power transmitting device includes a power transmitting unit configured to perform power transmission to the power receiving device through contactless power supply, and a memory unit that stores appropriate power supply information, and processing circuitry that is configured to switch a power transmission mode of the power transmitting unit. The processing circuitry is configured to acquire power supply information in a surrounding environment at execution of the power transmission, determine whether the power supply information and the appropriate power supply information are different from each other, set the power transmission mode to a limit mode when determining that the power supply information and the appropriate power supply information are different from each other, and set the power transmission mode to a normal-output mode when determining that the power supply information and the appropriate power supply information are not different from each other.
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公开(公告)号：US20230208199A1
公开(公告)日：2023-06-29
申请号：US18063130
申请日：2022-12-08
发明人： Teppei ABE , Shinichiro FUKI , Tomokazu SAKAI , Shigeo TAKEDA , Yuki TOKUYAMA
摘要： A contactless power supply system includes power receiving devices, a power transmitting device, and a determining unit. The power receiving devices each include a transmitting unit and a power receiving unit. The power transmitting device includes a receiving unit and a power supplying unit. Efficiency condition information is defined that includes an efficiency condition that indicates that the power transmitting device can transmit power to a power receiving device efficiently. The determining unit is configured to determine, based on the efficiency condition information, the power receiving device that satisfies the efficiency condition as the power receiving device to which the power transmitting device transmits power, among the power receiving devices from which the receiving unit has received the beacon signals. The power supplying unit is configured to supply power to the power receiving device that has been determined by the determining unit.
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公开(公告)号：US20240322606A1
公开(公告)日：2024-09-26
申请号：US18590016
申请日：2024-02-28
CPC分类号： H02J50/27 , H02J7/0042 , H02J7/0068 , H02J50/70 , H02J50/80 , H02J50/90
摘要： A portable charging device includes a housing, a power storage device, a charging interface, and a circuit board. The housing includes a power receiving-side wall and a charging-side wall. The power receiving-side wall and the charging-side wall include two surfaces of the housing that face each other. The charging interface is configured to supply power of the power storage device to an external device. A power receiving antenna is mounted on the circuit board. The power storage device and the charging interface are disposed so as to face the charging-side wall. The circuit board is disposed such that the power receiving antenna faces the power receiving-side wall.
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