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. 19, 2024
Filed:
Jun. 24, 2020
Lg Electronics Inc., Seoul, KR;
Jungkeun Park, Seoul, KR;
LG ELECTRONICS INC., Seoul, KR;
Abstract
A wireless power transmission device comprises a plurality of transmission coils having different inductances and a controller. The controller wirelessly transmits a first transmission power to the electronic apparatus through a first transmission coil among the plurality of transmission coils, obtains whether it is an under-coupling mode or an over-coupling mode, when receiving power shortage information from the electronic apparatus, changes from the first transmission coil to a second transmission coil according to the obtained mode, and wirelessly transmits a second transmission power to the electronic apparatus through the changed second transmission coil. The second transmission coil is one of the remaining transmission coils except for the first transmission coil among the plurality of transmission coils.