公开(公告)号：US20170201128A1

公开(公告)日：2017-07-13

申请号：US15313972

申请日：2015-05-26

Applicant: HANRIM POSTECH CO., LTD.

Inventor： Chun-Kil JUNG ,  Hak Do KIM ,  Sang Youn NOH

IPC: H02J50/12 ,  H02J7/02 ,  H04W24/08 ,  H02J50/80

Abstract: A wireless power reception device and a wireless communication method thereby are provided. The wireless communication method by the wireless power reception device may comprise the steps of: receiving a wireless power signal from a wireless power transmission device; measuring the strength of the wireless power signal; modulating the amplitude of the wireless power signal according to the measured strength of the wireless power signal; and performing communication with the wireless power transmission device by using the signal having the amplitude modulated.

公开(公告)号：US20180212467A1

公开(公告)日：2018-07-26

申请号：US15544882

申请日：2016-01-20

Applicant: HANRIM POSTECH CO., LTD.

Inventor： Chun Kil JUNG ,  Sang Youn NOH ,  Hak Do KIM

IPC: H02J50/12 ,  H02J50/40 ,  H02J7/02

CPC classification number: H02J50/12 ,  H02J7/0054 ,  H02J7/025 ,  H02J50/40

Abstract: A wireless power transmission device, and a transmission power control method therefor are provided. A wireless power transmission device for wirelessly transmitting power to a wireless power receiving device can comprise: a primary core comprising at least one primary coil and transmitting a power signal to the wireless power receiving device by being coupled, through magnetic induction or magnetic resonance, to a secondary core provided at the wireless power receiving device; an inverter connected to the primary core so as to apply an alternating voltage necessary for transmitting the power signal; and a controller connected to the inverter, and controlling a direct voltage to be applied to the wireless power transmission device and/or a gate voltage of the inverter on the basis of the information on the power received at the wireless power receiving device by the power signal.

公开(公告)号：US20170201127A1

公开(公告)日：2017-07-13

申请号：US15313970

申请日：2015-05-26

Applicant: HANRIM POSTECH CO., LTD.

Inventor： Chun-Kil JUNG ,  Hak Do KIM ,  Sang Youn NOH

IPC: H02J50/12 ,  H02J50/80 ,  H02J7/04 ,  H02J7/02

CPC classification number: H02J50/12 ,  H02J7/025 ,  H02J7/042 ,  H02J7/045 ,  H02J50/10 ,  H02J50/40 ,  H02J50/80 ,  H03D1/10

Abstract: A wireless power reception device and a wireless communication method thereby are provided. The wireless communication method by the wireless power reception device may comprise the steps of: receiving a wireless power signal from a wireless power transmission device; measuring the strength of the wireless power signal; modulating the amplitude of the wireless power signal according to the measured strength of the wireless power signal; and performing communication with the wireless power transmission device by using the signal having the amplitude modulated.