US 10,892,647 B2
Wireless power transmitter with data communication provision
Se Joo Kim, Suwon-si (KR); Jung Woo Choi, Suwon-si (KR); Tae Seok Ko, Suwon-si (KR); and Byoung Woo Ryu, Suwon-si (KR)
Assigned to WITS Co., Ltd., Gyeonggi-do (KR)
Filed by WITS Co., Ltd., Yongin-si (KR)
Filed on Sep. 20, 2018, as Appl. No. 16/136,648.
Claims priority of application No. 10-2017-0151762 (KR), filed on Nov. 14, 2017; and application No. 10-2018-0013289 (KR), filed on Feb. 2, 2018.
Prior Publication US 2019/0148980 A1, May 16, 2019
Int. Cl. H02J 50/12 (2016.01); H02J 50/80 (2016.01); H02J 50/05 (2016.01)
CPC H02J 50/12 (2016.02) [H02J 50/05 (2016.02); H02J 50/80 (2016.02)] 29 Claims
OG exemplary drawing
1. A wireless power transmitter comprising:
a main coil configured to transmit power;
an inverter configured to apply an alternating current (AC) signal to the main coil;
a communication module configured 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 configured to prevent a power signal of the main coil from being input to the communication module; and
an auxiliary coil configured to connect to the main coil and connected to the first connecting circuitry.