公开(公告)号：US10833539B2

公开(公告)日：2020-11-10

申请号：US16014211

申请日：2018-06-21

Applicant: WITS Co., Ltd.

Inventor： Ji Hoon Kim ,  Tae Seok Ko ,  Dong Yeol Lee ,  Ju Hyoung Park ,  Sang Beom Lee

IPC: H02J50/60 ,  G06K7/10 ,  H04W52/02 ,  H02J50/80 ,  H02J50/12

Abstract: A mobile terminal includes a communication controller configured to detect a wireless tag in a mobile environment and a wireless charging controller configured to receive power wirelessly, and control the communication controller to determine whether the wireless tag is in the mobile environment, in response to receiving a wake-up power signal from a wireless power transfer apparatus.

公开(公告)号：US10892647B2

公开(公告)日：2021-01-12

申请号：US16136648

申请日：2018-09-20

Applicant: WITS Co., Ltd.

Inventor： Se Joo Kim ,  Jung Woo Choi ,  Tae Seok Ko ,  Byoung Woo Ryu

IPC: H02J50/12 ,  H02J50/80 ,  H02J50/05

Abstract: A wireless power transmitter having a data transmission and reception capability is disclosed. The wireless power transmitter includes a main coil to transmit power, an inverter to apply an alternating current (AC) signal to the main coil, a communication module to output a transmission signal including transmission data to be wirelessly transmitted the wireless power transmitter, and/or receive a reception signal including received data wirelessly received by the wireless power transmitter, a first connecting circuitry to prevent a power signal of the main coil from being input to the communication module, and the auxiliary coil to connect to the main coil and connected to the first connecting circuitry. The main coil or the auxiliary coil may be configured to transmit the transmission data and receive the reception signal, and the auxiliary coil may be wiredly connected to the main coil or not wiredly connected to the main coil.

公开(公告)号：US10886783B2

公开(公告)日：2021-01-05

申请号：US16159818

申请日：2018-10-15

Applicant: WITS Co., Ltd.

Inventor： Se Joo Kim ,  Tae Seok Ko ,  Young Woon Choi ,  Joung Ho Son ,  Doo Young Song

IPC: H02J50/12 ,  H02M7/5387 ,  H01F38/14 ,  H02J7/02 ,  H02M7/48 ,  H02M7/487

Abstract: A wireless power transmission apparatus includes: an alternating current (AC) power output to convert input power into AC power and output the AC power; and a power transmitter including a plurality of resonators. The power transmitter receives the AC power and wirelessly transmits the AC power in a first operating mode in which two of the resonators are connected in series and the two resonators transmit the AC power, and in a second operating mode in which one of the resonators transmits the AC power.