-
公开(公告)号：US20210376668A1
公开(公告)日：2021-12-02
申请号：US17330932
申请日：2021-05-26
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Jeongman LEE , Beomwoo GU , Jaeseok PARK , Jaehyun PARK , Sungku YEO , Chongmin LEE , Hyoseok HAN
Abstract: The disclosure provides an electronic device and a method for controlling wireless charging in the electronic device. An electronic device includes: a sensor, a battery, a resonance circuit configured to wirelessly receive power, a rectification circuit configured to rectify an alternating current (AC) power provided from the resonance circuit into a direct current (DC) power, a DC/DC converter configured to convert the DC power provided from the rectification circuit to output a converted power, a charging control circuit configured to charge the battery using the converted power provided from the DC/DC converter, and a controller, and the controller may be configured to: identify movement information of the electronic device corresponding to a value sensed via the sensor, identify a voltage value of the DC power rectified via the rectification circuit, and control an output of the DC/DC converter based on the movement information and the voltage value.
-
公开(公告)号：US20210265862A1
公开(公告)日：2021-08-26
申请号：US17036940
申请日：2020-09-29
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Sungku YEO , Chongmin LEE , Jaeseok PARK , Youngho RYU , Jeongman LEE
Abstract: An electronic device and a method of controlling the electronic device are provided. The electronic device includes: a first housing, a second housing configured to detachably and rotatably engage with the first housing upon a first rotation axis, and defining an inner space when engaged with the first housing, a first waveguide supported by the first housing and extending toward the second housing along the first rotation axis in the inner space, a second waveguide supported by the second housing, extending toward the first housing along the first rotation axis in the inner space, and aligned to be spaced apart from the first waveguide by a predetermined distance, a first coil disposed in the first housing and outside the first waveguide, and a second coil disposed in the second housing, outside the second waveguide, and at a position corresponding to the first coil.
-
公开(公告)号：US20240429743A1
公开(公告)日：2024-12-26
申请号：US18813660
申请日：2024-08-23
Applicant: Samsung Electronics Co., Ltd.
Inventor： Jaehyun PARK , Beomwoo GU , Joonhong KIM , Jaeseok PARK , Sungku YEO , Youngho RYU
Abstract: According to various embodiments, a cover device capable of being coupled to a wireless power-receiving unit comprising circuitry configured to receive wireless power from a wireless power-transmitting unit comprising circuitry may comprise: a first capacitor; a first coil connected to the first capacitor; a ferrite sheet arranged, on at least a portion of the first coil, in the coupling direction between the wireless power-receiving unit and the cover device; and a metal sheet arranged, on at least a portion of the ferrite sheet, in the coupling direction between the wireless power-receiving unit and the cover device. The first capacitor and the first coil can form a closed loop. A first resonance frequency of the first coil can be higher than a second resonance frequency of a second coil of the wireless power-receiving unit.
-
24.发明公开公开(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
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.
-
25.发明公开公开(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
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.
-
Patent Agency Ranking
公开(公告)号：US20230318358A1
公开(公告)日：2023-10-05
申请号：US18208210
申请日：2023-06-09
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Yeeun CHOI , Harkjoon KIM , Hyunsu PARK , Seokyoung KANG , Sungku YEO , Eunha CHOI
CPC classification number: H02J50/12 , H02J50/80 , H02J50/005
Abstract: A wireless power transmitter capable of selecting a master wireless power receiver to visually provide, to a user, states-of-charge of wireless power receivers being charged includes a coil, a short-range communication module for communicating with a plurality of the wireless power receivers receiving power from the coil, and a processor communicatively coupled to the short-range communication module. The processor detects a first wireless power receiver which has an inclination or a tilt or takes a preset motion from among the plurality of wireless power receivers, identifies the first wireless power receiver as a master wireless power receiver indicating states-of-charge of the plurality of wireless power receivers, and transmits, to the first wireless power receiver, a signal informing that the first wireless power receiver is identified as the master wireless power receiver.
-
27.发明公开公开(公告)号：US20230155416A1
公开(公告)日：2023-05-18
申请号：US17987590
申请日：2022-11-15
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Jaehyun PARK , Beomwoo GU , Jaeseok PARK , Kangho BYUN , Jaesun SHIN , Sungku YEO , Youngho RYU
CPC classification number: H02J50/005 , H02J50/12 , H02J50/402 , H03H7/38
Abstract: The disclosure provides a variable wireless power transmitter including a plurality of resonators and a method of controlling the variable wireless power transmitter. A wireless power transmitter of the disclosure may include: a housing; a power amplifier disposed inside the housing; a first resonator including at least one coil and fixed to a first portion of the housing; a second resonator including at least one coil, rotatably disposed at a second portion of the housing, and configured to form a variable angle with the first resonator; a sensor configured to sense a shape change based on rotation of the second resonator; a controller configured to: identify a shape change of the first resonator and the second resonator based on a signal sensed by the sensor, identify whether impedance is matched for the first resonator or the second resonator based on the identification of the shape change, and generate a control signal for impedance matching for the first resonator or the second resonator based on identifying that the impedance is not matched; and a matching circuit including at least one coil and at least one capacitor, electrically coupled between the power amplifier and the first resonator, and configured to perform impedance matching based on the control signal received from the controller.
-
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：US20230077067A1
公开(公告)日：2023-03-09
申请号：US17903472
申请日：2022-09-06
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Joonhong KIM , Beomwoo GU , Jaeseok PARK , Jaehyun PARK , Sungku YEO , Youngho RYU
Abstract: The disclosure provides a wireless power transmitting device and a method for detecting an approaching object by the wireless power transmitting device. According to the disclosure, a wireless power transmitting device may comprise: a power amplifier, a transmission resonator including a coil, and configured to receive an electrical signal corresponding to a first frequency, which is output through the power amplifier, and to form a magnetic field by the received electrical signal corresponding to the first frequency to transmit power, an antenna configured in a shape corresponding to any one side of a symmetrical axis of a split ring resonator (SRR) antenna, disposed adjacent to the transmission resonator, and configured to receive a signal corresponding to a second frequency, a sensing circuit configured to sense at least part of the signal corresponding to the second frequency transmitted to the antenna, and a controller configured to identify whether a human body approaches, based on a signal sensed through the sensing circuit. A first terminal of the sensing circuit may be connected to a first portion of the antenna, and a second terminal of the sensing circuit may be connected to the coil of the transmission resonator.
-
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
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.
-
-
-
-
-
-
-
-
-
Search Results
32
records
(took 0.021 seconds)
