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公开(公告)号：US11462948B2
公开(公告)日：2022-10-04
申请号：US16753406
申请日：2018-10-19
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Jae-Seok Park , Chong-Min Lee , Sung-Ku Yeo , Jae-Hyuck Shin , Young-Ho Ryu
Abstract: A wireless power transmission apparatus includes patch antennas which form an RF wave; a memory storing electromagnetic wave distribution maps corresponding to transmission conditions for transmitting the RF wave; and a processor configured to determine a position of an electronic device and a position of a living body, determine a transmission condition which transmits the RF wave which causes an electromagnetic wave having a size not exceeding a first threshold value to be applied to a position of the living body while being beam-formed at a position of the electronic device, using at least a portion of the electromagnetic wave distribution maps, and generate the RF wave with the determined transmission condition using the patch antennas, each electromagnetic wave distribution map indicating the size of electromagnetic waves at one or more points around the wireless power transmission apparatus when the RF wave is formed by each of the transmission conditions.
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公开(公告)号：US10511192B2
公开(公告)日：2019-12-17
申请号：US15499382
申请日：2017-04-27
Applicant: Samsung Electronics Co., Ltd.
Inventor： Jae-Hyun Park , Dong-Zo Kim , Do-Won Kim , Bong-Chul Kim , Sung-Ku Yeo , Young-Ho Ryu , Chong-Min Lee
Abstract: An electronic device is provided that includes a housing and a power receiver disposed within the housing. The power receiver includes a conductive pattern for receiving power wirelessly. The conductive pattern includes a main coil having a plurality of turns, a first sub-coil formed at an input port of the main coil, and a second sub-coil formed at an output port of the main coil. The electronic device also includes a controller configured to control to receive power using the conductive pattern.
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公开(公告)号：US10469132B2
公开(公告)日：2019-11-05
申请号：US16105364
申请日：2018-08-20
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 , H04B7/06 , H04W4/70
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.
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公开(公告)号：US11923610B2
公开(公告)日：2024-03-05
申请号：US16331858
申请日：2017-05-24
Applicant: Samsung Electronics Co., Ltd. , HONGIK UNIVERSITY INDUSTRY-ACADEMIA COOPERATION FOUNDATION
Inventor： Jae-Hyun Park , Jeong-Hae Lee , Min-Seo Park , Young-Ho Ryu , Sung-Bum Park , Kwi-Seob Um , Chong-Min Lee , Chang-Hyun Lee
CPC classification number: H01Q21/065 , H01Q1/48 , H01Q1/523 , H01Q9/0421
Abstract: In various embodiments, an antenna array may comprise a dielectric; a first patch antenna disposed on a first region of the dielectric; a second patch antenna disposed on a second region of the dielectric; and a ground layer including a first sub-ground layer in contact with a lower portion of the first region of the dielectric, a third sub-ground layer in contact with a lower portion of the second region of the dielectric, and a second sub-ground layer spaced apart from a lower portion between the first region and the second region of the dielectric.
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公开(公告)号：US10439450B2
公开(公告)日：2019-10-08
申请号：US15474747
申请日：2017-03-30
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Chong-Min Lee , Kyung-Woo Lee , Sung-Bum Park , Jae-Hyun Park , Jae-Hyuck Shin , Young-Ho Ryu , Sang-Wook Lee
IPC: H04L5/00 , G01S13/42 , H02J50/90 , H02J50/80 , H02J50/20 , H02J7/02 , H04W8/00 , H02J50/60 , G01S7/41
Abstract: A wireless power transmitting device is provided. The wireless power transmitting device may comprise an antenna, a memory, and a processor configured to control to store, as reference information, information of a first reflected signal of a pilot signal sent out through the antenna at a first time in the memory and control to compare the reference information with information about second reflected signals of a pilot signal sent out through the antenna at a second time, and determine a position of a target for detection based on a result of the comparison.
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Patent Agency Ranking
公开(公告)号：US09853481B2
公开(公告)日：2017-12-26
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
CPC classification number: H02J50/12 , G01R19/16538 , G01R21/133 , H02J7/0054 , H02J7/02 , H02J7/025 , H02J50/10 , H02J50/40 , H02J50/80 , H02J50/90
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.
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公开(公告)号：US20170346342A1
公开(公告)日：2017-11-30
申请号：US15499382
申请日：2017-04-27
Applicant: Samsung Electronics Co., Ltd.
Inventor： Do-Won Kim , Jae-Hyun PARK , Dong-Zo Kim , Bong-Chul Kim , Sung-Ku Yeo , Young-Ho Ryu , Chong-Min Lee
CPC classification number: H02J50/12 , H01F27/2804 , H01F38/14 , H02J7/025
Abstract: An electronic device is provided that includes a housing and a power receiver disposed within the housing. The power receiver includes a conductive pattern for receiving power wirelessly. The conductive pattern includes a main coil having a plurality of turns, a first sub-coil formed at an input port of the main coil, and a second sub-coil formed at an output port of the main coil. The electronic device also includes a controller configured to control to receive power using the conductive pattern.
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公开(公告)号：US11777341B2
公开(公告)日：2023-10-03
申请号：US16901929
申请日：2020-06-15
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Chong-Min Lee , Yu-Su Kim , Hyung-Koo Chung , Hyo-Seok Han
CPC classification number: H02J50/12 , H02J50/10 , H02J50/70 , H05K1/0218 , H05K1/0224 , H02J7/0013 , H02J50/40 , H05K3/46 , H05K2201/0723 , H05K2201/09354 , H05K2201/09972
Abstract: A wireless power receiver for wirelessly receiving power from a wireless power transmitter comprises: a power reception circuit receiving electromagnetic waves emitted from the wireless power receiver so as to output power having an alternating current waveform; a rectifier for rectifying the power, having an AC waveform, outputted from the power reception circuit into power having a direct current waveform; a DC/DC converter for converting, into a voltage of a preset level, a voltage of the power having a direct current waveform, the power being rectified by the rectifier; a charger for charging a battery by using the power having a DC waveform, converted from the DC/DC converter; an alternating current ground connected to the power reception circuit and/or the rectifier so as to receive at least a portion of the power having an alternating current waveform; and a direct current ground connected to the DC/DC converter and/or the charger so as to receive at least a portion of the power having a direct current waveform, wherein the alternating current ground and the direct current ground can be disposed on different PCB layers, respectively.
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公开(公告)号：US11108284B2
公开(公告)日：2021-08-31
申请号：US16562495
申请日：2019-09-06
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Chong-Min Lee , Kyung-Woo Lee , Sung-Bum Park , Jae-Hyun Park , Jae-Hyuck Shin , Young-Ho Ryu , Sang-Wook Lee
IPC: H02J50/90 , H02J50/60 , H02J50/80 , H02J50/20 , G01S13/42 , H02J7/02 , H04L5/00 , H04W8/00 , G01S7/41
Abstract: A wireless power transmitting device is provided. The wireless power transmitting device may comprise an antenna, a memory, and a processor configured to control to store, as reference information, information of a first reflected signal of a pilot signal sent out through the antenna at a first time in the memory and control to compare the reference information with information about second reflected signals of a pilot signal sent out through the antenna at a second time, and determine a position of a target for detection based on a result of the comparison.
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公开(公告)号：US10784706B2
公开(公告)日：2020-09-22
申请号：US15977501
申请日：2018-05-11
Inventor： Chong-Min Lee , Seong-Cheol Kim , Dae-Hyun Kim , Sang-Wook Lee , Young-Ho Ryu , Byeong-Ho Lee , Seong-Wook Lee , Young-Jun Yoon
Abstract: A wireless power transmitter configured to wirelessly transmit power to an electronic device is provided. The wireless power transmitter includes a power transmission antenna including a plurality of patch antennas for wirelessly transmitting power, a sensor, and a processor, wherein the processor may be configured to create a first clutter map representing a reflection characteristic of an object positioned around the wireless power transmitter based on, at least, first data obtained by the sensor during a first period, store the first clutter map, compare a difference between the first clutter map and second data obtained by the sensor during a second period with data contained in the first clutter map, create a second clutter map corresponding to the second period based on a result of the comparison, determine a position of an organism using the second data and the second clutter map, and control the power transmission antenna such that a magnitude of the RF wave is less than a predetermined value based on the position of the organism.
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