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公开(公告)号：EP4398421A1
公开(公告)日：2024-07-10
申请号：EP21955912.7
申请日：2021-08-30
申请人： Aeterlink Corp.
发明人： KODATE, Naoto , TANABE, Yuji
摘要： A multi-antenna which is capable of increasing the space efficiency and of avoiding or suppressing the problems of electromagnetic coupling is provided. The multi-antenna include; a substrate; a total of two linear antennas provided in a substantially cross shape to define four regions on the substrate; a total of eight linear antennas that form a substantially cross shape in each of the four regions; a total of four linear antennas provided along four sides of a substantially square shape at outermost positions on the substrate to surround the four regions; and a connecting line provided to connect all of the fourteen linear antennas in a substantially loop shape in a clockwise or anti-clockwise direction.
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公开(公告)号：EP4297241A1
公开(公告)日：2023-12-27
申请号：EP21934995.8
申请日：2021-03-31
申请人： Aeterlink Corp.
发明人： KODATE, Naoto , TANABE, Yuji
摘要： To provide a specific method that is feasible and effective for performing MCPT control with a relatively simple configuration. A power-receiving device for receiving electric power transmitted from a power-transmitting device, based on a wireless power transfer method is provided. The power-receiving device includes: a power-receiving antenna for receiving electromagnetic waves; a rectifier functionally connected to the power-receiving antenna for converting the electromagnetic waves into DC voltages; a controller functionally connected to the rectifier for adjusting a resistance on an output side of the rectifier; and a power storage device for storing an output of the controller. Voltage-current characteristics of the rectifier vary according to a distance between the power-transmitting device and the power-receiving device. The controller is adapted for performing MCPT control by stepwisely changing a resistance value so that a voltage value on the output side of the rectifier is lower than a predetermined threshold value.
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3.发明公开
公开(公告)号：EP4220893A1
公开(公告)日：2023-08-02
申请号：EP20959788.9
申请日：2020-10-28
申请人： Aeterlink Corp.
发明人： KODATE, Naoto , TANABE, Yuji
IPC分类号： H02J50/10
摘要： A power-receiving device for receiving electric power transmitted from a power-transmitting device, according to a wireless power supply system, and for supplying the electric power to a device is configured to include: a power-receiving antenna for receiving electromagnetic waves; a rectifier functionally connected to the power-receiving antenna, for converting the electromagnetic waves into DC voltages; a first power storage device functionally connected to the rectifier, for storing the DC voltages therein; a second power storage device functionally connected to the first power storage device, for storing the DC voltages therein; a device functionally connected to the second power storage device; a first switch for controlling distribution of electric power between the rectifier and the first power storage device; a second switch for controlling distribution of electric power between the first power storage device and the second power storage device; a third switch for controlling distribution of electric power between the first power storage device and the device; a fourth switch for controlling distribution of electric power between the second power storage device and the device; and a controller.
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