公开(公告)号：US20250088041A1

公开(公告)日：2025-03-13

申请号：US18958760

申请日：2024-11-25

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jaeseok PARK ,  Beomwoo Gu ,  Sangwook Kwon ,  Joonhong Kim ,  Jaehyun Park ,  Sungku Yeo

IPC: H02J50/60 ,  G01S13/04 ,  H02J50/12

Abstract: A wireless power transmission device includes: a power transmission coil; a first circuit electrically connected to the power transmission coil and configured to provide first power of a first frequency to the power transmission coil; a sensing antenna configured to detect a human body; a second circuit electrically connected to the sensing antenna; and a controller, where the controller is configured to: control the first circuit to provide the first power of the first frequency to the power transmission coil; control the second circuit to provide a second power of a second frequency, which is different from the first frequency, to the sensing antenna in a state in which the first power is provided to the power transmission coil; and obtain at least one parameter based on at least one sensing result for at least one point of the second circuit from the second circuit.