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:
Aug. 04, 2026
Filed:
Feb. 23, 2023
Samsung Electronics Co., Ltd., Suwon-si, KR;
Kyungmin Lee, Suwon-si, KR;
Dongzo Kim, Suwon-si, KR;
Mincheol Ha, Suwon-si, KR;
Yunjeong Noh, Suwon-si, KR;
Keyic Son, Suwon-si, KR;
Samsung Electronics Co., Ltd., Suwon-si, KR;
Abstract
A power supply device is provided. The power supply device includes an authentication circuit, power supply circuits, and a control circuit connected to the authentication circuit and the power supply circuits. Each of the power supply circuits includes a coil and a communication circuit and may be configured to transmit a power signal to one power reception device through the coil. The control circuit performs an authentication operation for fast charging of a plurality of power reception devices without a collision by using the authentication circuit and the power supply circuits.