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31.发明授权公开(公告)号：US10727701B2
公开(公告)日：2020-07-28
申请号：US16415117
申请日：2019-05-17
Inventor： Duk Ju Ahn , In Kui Cho , Seong Min Kim , Jung Ick Moon , Sang Bong Jeon , Byung Chan Kim , Je Hoon Yun , Dong Won Jang , Hyung Do Choi
Abstract: Provided is a wireless power reception apparatus which receives a power from a wireless power transmission apparatus. A wireless power reception apparatus which receives a power from a wireless power transmission apparatus, the wireless power reception apparatus comprising a duty controller configured to control a duty cycle; a power converter configured to convert an effective load resistance according to the duty cycle; a reception resonator configured to receive a power from a transmission coil of the wireless power transmission apparatus, wherein the duty cycle and a current of the transmission coil is adjusted based on a load resistance of the wireless power reception apparatus.
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公开(公告)号：US10483787B2
公开(公告)日：2019-11-19
申请号：US16265422
申请日：2019-02-01
Inventor： In Kui Cho , Seong Min Kim , Jung Ick Moon , Duk Ju Ahn , Je Hoon Yun , Hyung Do Choi , Dong Won Jang
Abstract: Provided is a wireless charging apparatus for performing wireless charging of an electronic device including a receiving coil located in a three-dimensional (3D) wireless charging zone using a plurality of transmitting coils arranged in the 3D wireless charging zone and at least one power source configured to supply a current to the plurality of transmitting coils.
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33.发明授权公开(公告)号：US10298066B2
公开(公告)日：2019-05-21
申请号：US15240043
申请日：2016-08-18
Inventor： Duk Ju Ahn , In Kui Cho , Seong Min Kim , Jung Ick Moon , Sang Bong Jeon , Byung Chan Kim , Je Hoon Yun , Dong Won Jang , Hyung Do Choi
Abstract: The wireless power reception apparatus includes: a duty controller configured to calculate an amount of current of a transmission coil required for the wireless power transmission apparatus and control a duty cycle by using at least one of distance information between the wireless power transmission apparatus and the wireless power reception apparatus or load current information; a power converter configured to convert an effective load resistance according to the duty cycle; a wireless data transmitter configured to transmit a signal that requires a control of the calculated amount of current of the transmission coil to the wireless power transmission apparatus; and a reception resonator configured to receive a power according to the amount of current of the transmission coil controlled by the signal that requires a control of the amount of current of the transmission coil from the wireless power transmission apparatus.
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