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:
Nov. 05, 2024
Filed:
Oct. 18, 2021
Samsung Electronics Co., Ltd., Suwon-si, KR;
Korea Advanced Institute of Science and Technology, Daejeon, KR;
Kyungmin Lee, Suwon-si, KR;
Kiyoung Kim, Suwon-si, KR;
Gun-Woo Moon, Daejeon, KR;
Young-Dal Lee, Daejeon, KR;
Dongmin Kim, Daejeon, KR;
Jaeil Baek, Daejeon, KR;
SAMSUNG ELECTRONICS CO., LTD., Suwon-si, KR;
KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY, Daejeon, KR;
Abstract
According to various embodiments, a wireless power transmission device may comprise: a coil circuit configured to generate a power signal for power transmission to an electronic device; an inverter configured to convert direct current power to alternating current power and to provide the alternating current power to the coil circuit; a coil-type detection unit comprising a coil disposed to be adjacent to the coil circuit and configured to detect a signal corresponding to the power signal; and a control circuit configured to adjust, based on the detected signal, a switching frequency of the inverter to change the alternating current power output from the inverter.