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1.发明申请公开(公告)号：US20170201126A1
公开(公告)日：2017-07-13
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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公开(公告)号：US20230066195A1
公开(公告)日：2023-03-02
申请号：US17710625
申请日：2022-03-31
Inventor： Byung Chan KIM , Kang Hee KIM , Haeng Sook RO , Gwang Moon PARK , Soo Ho SOHN , Ki Cheol TAE
IPC: H04L27/00
Abstract: In the present invention, in classifying modulation types of a plurality of modulation signals by using a classifier (an artificial neural network model based on machine learning), the classifier may classify the modulation types of the modulation signals by using pieces of I/Q data, sampled with one sampling frequency, as input data, and thus, may quickly classify the modulation signals.
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Patent Agency Ranking
公开(公告)号：US20220381867A1
公开(公告)日：2022-12-01
申请号：US17691593
申请日：2022-03-10
Inventor： Kang Hee KIM , Byung Chan KIM , Haeng Sook RO , Gwang Moon PARK , Soo Ho SOHN , Ki Cheol TAE
Abstract: A directive direction finding apparatus may comprise: a directivity-enabled antenna array in which a constituent antenna or antenna subarray has directivity in the same direction; an RF/IF receiver connected to the directivity-enabled antenna array; a digital receiver connected to the RF/IF receiver; a direction finder connected to the digital receiver; a directivity control unit to control an operation of the directivity-enabled antenna array; and a transport/control interface connected to the direction finder and to manage control and operation of the directivity-enabled antenna array, the RF/IF receiver, the digital receiver, the direction finder and the directive control unit.
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公开(公告)号：US20180235112A1
公开(公告)日：2018-08-16
申请号：US15599908
申请日：2017-05-19
Inventor： Byung Chan KIM , Sang-Won KIM , Seong-Min KIM , Jung Ick MOON , Sang Bong JEON , In Kui CHO , Hyung Do CHOI
IPC: H05K9/00 , G01R33/025
CPC classification number: G01R33/025 , H01F27/365 , H02J7/0042 , H02J7/025 , H02J50/10 , H02J50/70 , H04R2209/022
Abstract: Disclosed is a magnetic field shielding apparatus including an energy transmitter configured to generate a magnetic field, an energy receiver configured to receive the magnetic field generated by the energy transmitter, and a magnetic shield configured to shield a leaked magnetic field that is not received by the energy receiver, the magnetic shield including at least one closed region through which the leaked magnetic field passes, and at least one open region including a protrusion through which the leaked magnetic field moves to an inside of the magnetic field shielding apparatus after absorbed into the closed region.
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5.发明申请公开(公告)号：US20180152049A1
公开(公告)日：2018-05-31
申请号：US15428283
申请日：2017-02-09
Inventor： Sang Bong JEON , Jung Ick MOON , Sang-Won KIM , Seong-Min KIM , In Kui CHO , Jong Hwa KWON , Byung Chan KIM , Hyung Do CHOI
Abstract: Provided is an apparatus for reducing an electromagnetic wave in a wireless power transmitter using a reducing coil, the apparatus that may cancel external emission of a magnetic field formed at a transmission coil using the reducing coil based on induced electromotive force.
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6.发明申请公开(公告)号：US20190273400A1
公开(公告)日：2019-09-05
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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7.发明申请公开(公告)号：US20170141615A1
公开(公告)日：2017-05-18
申请号：US15267622
申请日：2016-09-16
Inventor： Jung Ick MOON , Seong Uk BAEK , Byoung In LEE , Woo Chul LEE , Jong Seup LEE , Dong Woo CHEON , Sang Bong JEON , Seong Min KIM , Duk Ju AHN , In Kui CHO , Byung Chan KIM , Je Hoon YUN , Dong Won JANG , Hyung Do CHOI
Abstract: Provided is a wireless power transmission device to reduce an electromagnetic wave except for a signal to be transmitted during wireless power transmission, the wireless power transmission device including a transmitter configured to generate a magnetic field by inputting a high-frequency power signal generated by a transmission circuit into a first coil, a receiver configured to generate an induced current by allowing the generated magnetic field to pass through a second coil, and a reducer configured to reduce a harmonic component of the high-frequency power signal using a third coil inserted on a path between the transmitter and the receiver.
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