US 12,081,042 B2
Wireless power reception device, wireless power transmission device, and method for transmitting/receiving messages between wireless power reception device and wireless power transmission device using data transmission stream
Yongcheol Park, Seoul (KR); Gyunghwan Yook, Seoul (KR); and Jinho Youn, Seoul (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR)
Appl. No. 17/799,813
Filed by LG ELECTRONICS INC., Seoul (KR)
PCT Filed Feb. 17, 2021, PCT No. PCT/KR2021/002015
§ 371(c)(1), (2) Date Aug. 15, 2022,
PCT Pub. No. WO2021/167341, PCT Pub. Date Aug. 26, 2021.
Claims priority of provisional application 62/977,669, filed on Feb. 17, 2020.
Prior Publication US 2023/0078771 A1, Mar. 16, 2023
Int. Cl. H02J 50/80 (2016.01); H02J 50/10 (2016.01); H02J 50/40 (2016.01); H04L 69/24 (2022.01)
CPC H02J 50/80 (2016.02) [H04L 69/24 (2013.01); H02J 50/10 (2016.02); H02J 50/402 (2020.01)] 15 Claims
OG exemplary drawing
 
1. A wireless power receiver for receiving a wireless power from a wireless power transmitter comprising:
a power pickup circuit configured to receive the wireless power from the wireless power transmitter; and
a communication/control circuit configured to communicate with the wireless power transmitter and control the wireless power,
wherein the communication/control circuit is configured to:
be available for transmitting and receiving an application-level message to and from the wireless power transmitter using a data transport stream including an auxiliary data control (ADC) packet and a plurality of auxiliary data transport (ADT) packets which is consecutive, and
transmit a data packet including information for a maximum size of an ADT packet to the wireless power transmitter,
wherein the data packet comprises one of special request (SRQ) packets comprising a request field and a parameter field, and
wherein the parameter field includes information for the maximum size.