The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 14, 2025
Filed:
Jul. 19, 2023
Lg Innotek Co., Ltd., Seoul, KR;
Yu Ri Park, Seoul, KR;
Yong Il Kwon, Seoul, KR;
LG INNOTEK CO., LTD., Seoul, KR;
Abstract
A method of receiving power of a wireless power receiver, including a signal transmission phase of transmitting a signal including an FOD status packet to a wireless power transmitter; a power reception phase of receiving a first power from the wireless power transmitter when a NAK response indicating that a foreign object is present in the charging area of the wireless power transmitter is received from the wireless power transmitter, or receiving a second power from the wireless power transmitter when an ACK response indicating that the foreign object is not present in the charging area of the wireless power transmitter is received from the wireless power transmitter, in response to the FOD status packet; a phase of transmitting a reception power packet including information on reception power intensity to the wireless power transmitter; and a phase of receiving a signal including information on a result of determining whether the foreign object is present in the charging area from the wireless power transmitter using information measured or calculated by the wireless power transmitter in response to the reception power packet, while receiving the second power.