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:
May. 31, 2022
Filed:
Mar. 05, 2019
Amosense Co., Ltd., Cheonan-si, KR;
Amosense Co., Ltd., Cheonan-si, KR;
Abstract
A wireless power transmission apparatus having a first coil configured to wirelessly charge a battery of a first electronic device; a second coil formed to have a size relatively greater than that of the first coil and configured to wirelessly charge a battery of a second electronic device; a shielding member configured to shield a magnetic field generated from the first coil and the second coil; and a case configured to accommodate the first coil, the second coil, and the shielding member, wherein the first coil is disposed so that a portion corresponding to a first width of a coil body overlaps a coil body of the second coil, and a portion corresponding to a remaining second width excluding the portion corresponding to the first width is located in a hollow part formed in the coil body of the second coil.