US 11,658,520 B2
Apparatus and method for performing power control in wireless power transfer system
Yongcheol Park, Seoul (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR)
Filed by LG ELECTRONICS INC., Seoul (KR)
Filed on Apr. 5, 2021, as Appl. No. 17/222,516.
Application 17/222,516 is a continuation of application No. 15/930,922, filed on May 13, 2020, granted, now 11,005,307.
Application 15/930,922 is a continuation of application No. 16/488,195, granted, now 10,998,775, previously published as PCT/KR2019/004582, filed on Apr. 16, 2019.
Claims priority of application No. 10-2018-0043939 (KR), filed on Apr. 16, 2018; and application No. 10-2018-0099226 (KR), filed on Aug. 24, 2018.
Prior Publication US 2021/0257867 A1, Aug. 19, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. H02J 50/80 (2016.01); H02J 50/12 (2016.01); H02J 50/40 (2016.01)
CPC H02J 50/80 (2016.02) [H02J 50/12 (2016.02); H02J 50/40 (2016.02)] 20 Claims
OG exemplary drawing
 
1. A wireless power transmitter for transmitting wireless power to a wireless power receiver and communicating with the wireless power receiver, the wireless power transmitter configured to:
receive, from the wireless power receiver, a received power packet (RPP) which informs a value of received power wirelessly received by the wireless power receiver;
transmit, to the wireless power receiver, a bit pattern for requesting communication in response to the RPP based on the wireless power transmitter having at least one data packet to be sent to the wireless power receiver;
receive a polling packet from the wireless power receiver in response to the bit pattern, wherein the polling packet is for polling the data packet; and
transmit the data packet to the wireless power receiver.