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公开(公告)号：US20250038580A1
公开(公告)日：2025-01-30
申请号：US18610709
申请日：2024-03-20
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Byungwook JUNG , Dohyung KIM , Jaesup LEE , Solhee IN
Abstract: A wireless power transmission system including: a first wireless power transmitter to receive a beacon signal through a first array antenna unit, estimate a characteristic of a first wireless channel based on the beacon signal, and generate and output first power signals, wherein phases and amplitudes of the first power signals are adjusted based on a characteristic of the first wireless channel and a time reversal algorithm; and a first wireless power receiver to output the beacon signal through a first antenna unit, receive the first power signals through the first antenna unit, and generate an operating voltage based on the first power signals, wherein the first power signals are adjusted differently based on a quantity of wireless power transmitters, a quantity of wireless power receivers, a movement of the first wireless power transmitter, or a movement of the first wireless power receiver.
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公开(公告)号：US20240412960A1
公开(公告)日：2024-12-12
申请号：US18404645
申请日：2024-01-04
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Jawon KO , Jongwha LEE , Taijo JEON , Yunsong JEONG , Jaesup LEE , Solhee IN
IPC: H01J37/32
Abstract: A sensor device includes a first substrate, a second substrate on the first substrate, a plurality of detection units between the first substrate and the second substrate and configured to collect detection information from plasma formed in a space above the second substrate, a controller configured to generate characteristic data representing characteristics of the plasma based on the detection information collected by the plurality of detection units, and a power supply unit including a radio frequency (RF) energy harvester configured to produce power for operation of at least one of the plurality of detection units and the controller from RF power used to form the plasma.
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公开(公告)号：US20250069846A1
公开(公告)日：2025-02-27
申请号：US18584633
申请日：2024-02-22
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Solhee IN , Dohyung Kim , Sungsoo Kim , Jaesup Lee , Byungwook Jung
IPC: H01J37/244 , H01J37/32 , H02J50/20 , H02J50/40 , H02J50/90
Abstract: A system includes a radio frequency (RF) device outputting an RF signal; and at least one sensor device generating a power supply voltage using the RF signal output from the RF device, and operating by the power supply voltage, wherein the sensor device includes a case; a plurality of detectors disposed in the case, and collecting environmental data of a space in which the RF device and the sensor device are input, to generate detection data; a battery supplying a power supply voltage necessary for operation of the plurality of detectors; and a charger charging the battery, wherein the charger includes an antenna installed in the case and receiving RF power from an external source, an RF-DC converter converting an alternating current voltage corresponding to the RF power into a direct current voltage, a matching circuit connected between the antenna and the RF-DC converter, and a DC-DC converter adjusting a level of the direct current voltage and charging the battery.
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公开(公告)号：US20220006333A1
公开(公告)日：2022-01-06
申请号：US17448256
申请日：2021-09-21
Inventor： Sungku YEO , Jaeseok PARK , Kangyoon LEE , Chongmin LEE , Imran ALI , Kwantae KIM , Dongin KIM , Seongjin OH , Solhee IN
Abstract: The present disclosure relates to an artificial intelligence (AI) system which simulates functions such as cognition, judgment, and the like of the human brain by utilizing machine learning algorithms such as deep learning and the like, and to an application thereof. According to various embodiments, an electronic device may comprise: a first impedance matching circuit configured to perform a first impedance matching on a power signal wirelessly received from a wireless power transmission device; a second impedance matching circuit configured to perform a second impedance matching on the first impedance-matched power signal using any one impedance value among a plurality of impedance values; a control circuit configured to perform control to change an impedance value of the second impedance matching circuit to an impedance value learned using an impedance matching network model, corresponding to a power and a frequency of the second impedance-matched power signal; and a power conversion circuit configured to convert a second impedance-matched power signal in an AC form into a power in a DC form for charging a battery according to the changed impedance value.
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