公开(公告)号：US20210234269A1

公开(公告)日：2021-07-29

申请号：US17051387

申请日：2019-08-26

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Artem Rudolfovitch VILENSKIY ,  Mikhail Nikolaevich MAKURIN ,  Chongmin LEE

IPC: H01Q3/36

Abstract: Provided is an antenna apparatus including: a signal splitter configured to generate a second signal including N equal-phase signals by splitting a first signal received from a signal source; a signal source virtual beam adjustor configured to generate a third signal including N signals by shifting a phase of each signal included in the second signal; a transmission beam adjustor configured to generate a fourth signal including N signals by shifting a phase of each signal included in the third signal by 0 degree or 180 degrees; and a transmitter including N transmission antennas transmitting respectively transmitting the N signals included in the fourth signal.

公开(公告)号：US20210194291A1

公开(公告)日：2021-06-24

申请号：US17272822

申请日：2019-09-03

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY

Inventor： Sungku YEO ,  Kangyoon LEE ,  Chongmin LEE ,  Dongin KIM ,  Sangyun KIM ,  Jaeseok PARK ,  Youngho RYU ,  Hamed ABBASIZADEH

IPC: H02J50/20 ,  H02J50/12 ,  H02M7/25 ,  H02M7/23

Abstract: An electronic device according to various embodiments of the present invention comprises: a receiving circuit for outputting an AC power received wirelessly; and a rectifier circuit for rectifying the AC power being output from the power receiving circuit. The rectifier circuit comprises a forward rectifier circuit and a reverse rectifier circuit. A first terminal of the forward rectifier circuit is connected to the receiving circuit and the reverse rectifier circuit, a second terminal of the forward rectifier circuit is connected to an output terminal, and the forward rectifier circuit comprises first transistors for rectifying the AC power during a first period. A first terminal of the reverse rectifier circuit is connected to the receiving circuit and the forward rectifier circuit, a second terminal of the reverse rectifier circuit is connected to a ground, and the reverse rectifier circuit can comprise second transistors for preventing the AC power from being transmitted to the forward rectifier circuit during a second period.

公开(公告)号：US20210149428A1

公开(公告)日：2021-05-20

申请号：US17022540

申请日：2020-09-16

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jaeseok PARK ,  Sungku YEO ,  Youngho RYU ,  Jaesun SHIN ,  Jeongman LEE ,  Chongmin LEE ,  Hyoseok HAN

IPC: G05F1/625

Abstract: An electronic device according to an embodiment may include: a plurality of loads, a processor, and a power management circuit configured to provide the plurality of loads with a power, wherein the power management circuit may include a plurality of regulators configured to adjust a voltage of a power received from a power source and output a voltage-adjusted power, a switching circuit configured to connect at least one of the plurality of regulators to at least one of the plurality of loads, a plurality of power sensors each power sensor being configured to measure a magnitude of a power input to each of the plurality of loads, and a controller. The controller may be configured to obtain information related to an operation of each of the plurality of loads from the processor, obtain the magnitude of the power input to each of the plurality of loads from each of the plurality of power sensors, and identify a load which operates abnormally among the plurality of loads based on the magnitude of the power input to each of the plurality of loads and the information related to the operation of each of the plurality of loads.

公开(公告)号：US20230402879A1

公开(公告)日：2023-12-14

申请号：US18456176

申请日：2023-08-25

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jaeseok PARK ,  Jaehyun PARK ,  Beomwoo GU ,  Kangho BYUN ,  Sungku YEO ,  Youngho RYU ,  Chongmin LEE ,  Hyoseok HAN

IPC: H02J50/12 ,  H02J50/60 ,  G01R25/00 ,  G01R27/02

CPC classification number: H02J50/12 ,  H02J50/60 ,  G01R25/00 ,  G01R27/02

Abstract: The disclosure provides a wireless power transmitting apparatus and a method for wirelessly transmitting power by the wireless power transmitting apparatus. The wireless power transmitting apparatus according to an example embodiment comprises: a power amplifier; a coil connected to the power amplifier and configured to generate an electromagnetic field based on power received from the power amplifier; an impedance sensing circuit connected between the power amplifier and the coil; at least one auxiliary coil electromagnetically coupled to the coil; and a controller, wherein the controller may be configured to: identify a change in impedance, from a signal sensed through the impedance sensing circuit, and adjust an operation setting of the at least one auxiliary coil based on the identified change in impedance.

公开(公告)号：US20230327711A1

公开(公告)日：2023-10-12

申请号：US18335015

申请日：2023-06-14

Applicant: Samsung Electronics Co., Ltd.

Inventor： Chongmin LEE ,  Sungku YEO ,  Kangho BYUN ,  Jaesun SHIN ,  Jeongman LEE ,  Hyoseok HAN

IPC: H04B5/00 ,  H02J50/12

CPC classification number: H04B5/0037 ,  H04B5/0081 ,  H02J50/12

Abstract: An electronic device may include: a resonance circuit including a battery, a coil, and a capacitor, and configured to receive power wirelessly; a rectifying circuit including multiple transistors, and configured to rectify alternating current power provided from the resonance circuit into direct current power; and a control circuit, wherein the control circuit is configured to: identify a difference between the phase of voltage and the phase of current of the alternating current power provided from the resonance circuit during wireless reception of power from an external electronic device; and perform impedance matching by controlling the bias voltage of at least one of the multiple transistors on the basis that the difference between the phase of voltage and the phase of current satisfies a designated condition.

公开(公告)号：US20230146055A1

公开(公告)日：2023-05-11

申请号：US18093088

申请日：2023-01-04

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jaeseok PARK ,  Beomwoo GU ,  Jaehyun PARK ,  Sungku YEO ,  Youngho RYU ,  Jeongman LEE ,  Chongmin LEE ,  Hyoseok HAN

IPC: H02J50/12 ,  H02J7/00 ,  H02J50/90 ,  H02J50/80 ,  G01R19/165

CPC classification number: H02J50/12 ,  H02J7/00712 ,  H02J50/90 ,  H02J7/00308 ,  H02J50/80 ,  G01R19/16576 ,  H02J2207/20

Abstract: An electronic device may include: a battery, a resonant circuit including a receiving coil, at least one capacitor and at least one switch, a rectifier circuit; a DC/DC converter, a charge control circuit; and a controller, wherein the controller may be configured to check the voltage outputted from the rectifier circuit, control the at least one switch so that the receiving coil and the at least one capacitor form a serial resonant circuit, if the voltage output from the rectifier circuit is greater than or equal to a threshold voltage, and control the at least one switch so that the receiving coil and the at least one capacitor form a parallel resonant circuit, if the voltage output from the rectifier circuit is less than the threshold voltage.

公开(公告)号：US20220334628A1

公开(公告)日：2022-10-20

申请号：US17856355

申请日：2022-07-01

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Chongmin LEE ,  Sungku Yeo ,  Jaeseok Park ,  Hyoseok Han ,  Jaesun Shin ,  Jeongman Lee

IPC: G06F1/26 ,  G05F1/66

Abstract: An electronic device includes a plurality of loads, at least one processor, a plurality of regulators configured to adjust a voltage of power received from a power source and output the adjusted power, and a switching circuit configured to connect at least one of the plurality of regulators to at least one of the plurality of loads. The at least one processor is configured to identify a load to which power is to be supplied among the plurality of loads, select at least one regulator among the plurality of regulators connectable to the identified load, and control the switching circuit to connect the at least one selected regulator to the identified load.

公开(公告)号：US20220239154A1

公开(公告)日：2022-07-28

申请号：US17583803

申请日：2022-01-25

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jaehyun PARK ,  Beomwoo GU ,  Jaeseok PARK ,  Hyunseok SHIN ,  Sungku YEO ,  Youngho RYU ,  Chongmin LEE

IPC: H02J50/12 ,  H02J50/00

Abstract: Disclosed is an annular resonator including a conductor formed on a surface of an annular shaped structure and having a first end and a second end opposite to the first end, and a capacitor having a first end and a second end opposite to the first end, wherein a radius of curvature of a first side facing a center portion of the annular shaped structure is smaller than a radius of curvature of a second side facing an outer periphery of the annular shaped structure, and wherein the first end and the second end of the conductor are electrically connected to the first end and the second end of the capacitor, respectively.

公开(公告)号：US20210376642A1

公开(公告)日：2021-12-02

申请号：US17085117

申请日：2020-10-30

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Beomwoo GU ,  Kangho BYUN ,  Hyunseok SHIN ,  Sungku YEO ,  Youngho RYU ,  Chongmin LEE

IPC: H02J7/00 ,  H02J50/12 ,  H02J50/80 ,  H02J7/02

Abstract: According to an embodiment, an electronic device may include a battery, a resonance circuit, a rectifier, a DC/DC converter, a charger, a switch, an overvoltage protection circuit configured to perform an overvoltage protection operation or to stop the overvoltage protection operation based on the voltage at the output terminal of the rectifier, a control circuit, and a communication circuit, and the control circuit may be configured to: based on a periodic repetition of a performance of the overvoltage protection operation and a stop of the overvoltage protection while the switch is in an off state, identify a first period during which the overvoltage protection operation is stopped, based on the first period, identify an expected voltage at an output terminal of the rectifier, to be expected, wherein the expected voltage is a voltage if the switch is in an on state, based on the expected voltage, identify whether an occurrence of an overvoltage is expected if the switch is in the on state, and control the communication circuit to transmit a communication signal including information about whether the occurrence of the overvoltage is expected.

公开(公告)号：US20210336489A1

公开(公告)日：2021-10-28

申请号：US17366994

申请日：2021-07-02

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Chongmin LEE ,  Jaeseok PARK ,  Hyoseok HAN ,  Sangwook LEE ,  Seunghyun LEE

IPC: H02J50/20 ,  H04B1/40 ,  H02J50/40 ,  H02J50/80

Abstract: Provided are a wireless power transmission device and an operating method therefor, the device confirming an optimum phase adjustment degree for each antenna by applying a reference signal to at least one from among a plurality of patch antennas and sequentially applying a plurality of phase electric signals to each of the remaining antennas, when an RF wave is formed using electric signals from a plurality of power sources.