公开(公告)号：US10056946B2

公开(公告)日：2018-08-21

申请号：US15474506

申请日：2017-03-30

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Kyung-Woo Lee ,  Jae-Hyuck Shin ,  Sang-Wook Lee ,  Chong-Min Lee ,  Hyo-Seok Han

IPC: H04B5/00 ,  H04B7/04 ,  H04W4/02 ,  H04W52/52 ,  H04W52/28 ,  H04W52/42 ,  H04B17/10 ,  H04W4/70

CPC classification number: H04B5/0037 ,  H04B5/0031 ,  H04B7/04 ,  H04B7/0617 ,  H04B17/101 ,  H04B17/102 ,  H04W4/026 ,  H04W4/70 ,  H04W52/283 ,  H04W52/42 ,  H04W52/52

Abstract: According to an embodiment a wireless power transmitting device, includes a power transmission antenna including patch antennas to wirelessly transmit power, and communication antennas configured to receive a communication signal from an electronic device. The wireless power transmitting device also includes a processor configured to detect a direction in which the electronic device is positioned based on the communication signal received through the communication antennas and control the power transmission antenna to transmit the power in the detected direction.

公开(公告)号：US09819212B2

公开(公告)日：2017-11-14

申请号：US14626500

申请日：2015-02-19

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kyung-Woo Lee ,  Chong-Min Lee ,  Hee-Won Jung ,  Keum-Su Song

IPC: H02J17/00 ,  H02J7/02 ,  G01R21/133 ,  H02J7/00 ,  H02J50/10 ,  H02J50/80 ,  G01R19/165

Abstract: A method for detecting a load in wireless charging is provided. The method includes storing predetermined transmission signal waveform information, transmitting a signal according to the predetermined transmission signal waveform information, detecting a waveform change in the transmitted signal, and determining whether a device exists based on the detected waveform change.

公开(公告)号：US09806554B2

公开(公告)日：2017-10-31

申请号：US14297251

申请日：2014-06-05

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kyung-Woo Lee ,  Kang-Ho Byun ,  Chong-Min Lee ,  Hee-Won Jung ,  Min-Cheol Ha ,  Seung-Woo Han

IPC: H02J7/00 ,  H02J7/02 ,  H02J5/00

CPC classification number: H02J50/12 ,  H02J5/005 ,  H02J7/0047 ,  H02J7/025 ,  H02J50/40 ,  H02J50/80 ,  H02J2007/005

Abstract: A method for generating a load variation for detecting a wireless power receiving unit in wireless charging is provided. The method includes maintaining a switch connected to a dummy load in an ON state by the wireless power receiving unit, receiving wireless power from a wireless power transmitting unit, and, upon receiving the wireless power, switching the switch connected to the dummy load to an OFF state.