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. 15, 2020
Filed:
Oct. 25, 2018
Samsung Electronics Co., Ltd., Gyeonggi-do, KR;
Yong-Youn Kim, Gyeonggi-do, KR;
Dong-Il Son, Gyeonggi-do, KR;
Samsung Electronics Co., Ltd, , KR;
Abstract
A coil device for transmitting wireless power includes at least one switch, a first coil, a second coil configured to be physically connected to the first coil through the at least one switch, a third coil configured to be physically connected to the first coil through the at least one switch, and a logic circuit configured to control the at least one switch. In a first mode, the logic circuit is configured to control the at least one switch so that an inductance of the first coil is a first inductance and control the at least one switch so that the first coil and the second coil are connected to each other and the first coil and the third coil are not connected to each other. In a second mode, the logic circuit is configured to control the at least one switch so that the inductance of the first coil is a second inductance and control the at least one switch so that the first coil and the third coil are connected to each other and the first coil and the second coil are not connected to each other.