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:
Mar. 01, 2022
Filed:
Dec. 18, 2020
Korea Electronics Technology Institute, Seongnam-si, KR;
Yong Seok Lim, Seoul, KR;
Hae Yong Jung, Bucheon-si, KR;
Tai Gil Kwon, Seongnam-si, KR;
Yong Seong Kim, Goyang-si, KR;
Yongju Park, Goyang-si, KR;
Korea Electronics Technology Institute, Seongnam-si, KR;
Abstract
The present invention provides a system tar wireless power transmission, wherein the system is a system for wireless power transmission detecting a foreign object, including a power transmitting coil for transmitting AC power, a power receiving coil for receiving the AC power transmitted from the power transmitting coil wherein the power receiving coil is spaced apart from the power transmitting coil, and a detection circuit for detecting a foreign object located between the power transmitting coil and the power receiving coil wherein a first resistor and a first detection coil connected in series, and a second resistor and a second detection coil connected in series are connected in parallel, and wherein at least one of the first detection coil and the second detection coil is disposed between the power transmitting coil and the power receiving coil.