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:
Sep. 27, 2022
Filed:
Jul. 23, 2020
Samsung Electronics Co., Ltd., Gyeonggi-do, KR;
Kwangseob Kim, Gyeonggi-do, KR;
Changhak O, Gyeonggi-do, KR;
Kihyun Kim, Gyeonggi-do, KR;
Dongzo Kim, Gyeonggi-do, KR;
Jihye Kim, Gyeonggi-do, KR;
Yunjeong Noh, Gyeonggi-do, KR;
Kyungmin Lee, Gyeonggi-do, KR;
Hyungkoo Chung, Gyeonggi-do, KR;
Mincheol Ha, Gyeonggi-do, KR;
Samsung Electronics Co., Ltd, Suwon-si, KR;
Abstract
According to certain embodiments, a power transmission device comprises an induction circuit configured to transmit a wireless power signal through a charging pad and receive a signal from an external device; and at least one processor operatively connected to the induction circuit, wherein the processor is configured to: enter a wireless charging protection mode for wireless charging of the external device, measure a current value of the wireless power signal, and release the wireless charging protection mode when the packet information is not included in the signal transmitted from the external device and the measured current value or variation of the current value exceeds a threshold value.