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公开(公告)号:US20230209663A1
公开(公告)日:2023-06-29
申请号:US18113824
申请日:2023-02-24
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Namju PARK , Taeho LEE , Yongwook KIM , Jungsuk CHU , Dongoh KANG
CPC classification number: H05B6/062 , H05B6/1245 , H05B1/0266 , H05B1/0202 , H02J50/10 , H02M7/05
Abstract: A cooking device that includes a controller configured to, after being activated, control an operation of the cooking device; a communication unit configured to, after being activated, transmit data to a wireless power transmission device; a pickup coil configured to wirelessly receive power from a transmitting coil of the wireless power transmission device; a rectification unit configured to rectify the an alternating current (AC) of the pickup coil corresponding to the power received by the pickup coil, to produce a direct current (DC); a first capacitor configured to be charged in accordance with the DC current produced by the rectification unit to activate the communication unit; and a second capacitor, having a capacitance greater than a capacitance of the first capacitor, configured to be charged in accordance with the DC current produced by the rectification unit to activate the controller, so that the communication unit is activated before the controller.
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公开(公告)号:US20210127460A1
公开(公告)日:2021-04-29
申请号:US17079351
申请日:2020-10-23
Applicant: Samsung Electronics Co., Ltd.
Inventor: Jiwoong CHOI , Hongjoo KANG , Namju PARK , Semin LEE , Taeho LEE
Abstract: A cooking apparatus is disclosed. The cooking apparatus includes a cooking plate including a plurality of heating areas, a plurality of induction coils in locations corresponding to each of the plurality of heating areas in the lower part of the cooking plate, a driver supplying currents to each of the plurality of induction coils, and a processor. The processor is configured to, based on a user instruction for turning on a second heating area among the plurality of heating areas being received while a first heating area among the plurality of heating areas is turned on, stop the supply of a current to a first induction coil corresponding to the first heating area among the plurality of induction coils during a threshold time.
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3.
公开(公告)号:US20230402883A1
公开(公告)日:2023-12-14
申请号:US18457014
申请日:2023-08-28
Applicant: Samsung Electronics Co., Ltd.
Inventor: Namju PARK , Jaejin KIM , Teaho LEE , Dongoh KANG , Jungsuk CHU
CPC classification number: H02J50/80 , H02J50/12 , H02J50/402
Abstract: An example wireless power transmission apparatus includes a plate; a first communication module configured to perform wireless communication with an electronic device positioned on the plate; a power transmitting coil configured to transmit wireless power to the electronic device; a driving circuit configured to apply a current to the power transmitting coil; and a processor electrically connected to the first communication module, and the driving circuit. The processor is configured to control the driving circuit to periodically transmit the wireless power through the power transmitting coil, control the first communication module to acquire control information stored in a second communication module of the electronic device for a first time period during which transmission of the wireless power is stopped, and control the driving circuit to adjust the wireless power based on the control information.
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公开(公告)号:US20220329112A1
公开(公告)日:2022-10-13
申请号:US17697349
申请日:2022-03-17
Applicant: Samsung Electronics Co., Ltd.
Inventor: Dongoh KANG , Jungsuk CHU , Sooam KIM , Jaejin KIM , Namju PARK
Abstract: A wireless power transmission apparatus includes: a housing; a plate coupled with an upper portion of the housing; a power transmitting coil positioned inside the housing and configured to transmit wireless power to an electronic device put on the plate; a printed circuit board positioned between the plate and the power transmitting coil, and comprising at least one layer in which an antenna and a plurality of Foreign Object Detection (FOD) coils are formed; a processor electrically connected to the power transmitting coil and the printed circuit board; and a switch device configured to perform switching to a connection between the antenna and the processor or a connection between the plurality of FOD coils and the processor.
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公开(公告)号:US20220117047A1
公开(公告)日:2022-04-14
申请号:US17518227
申请日:2021-11-03
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Duckjin SUNG , Yujeub HA , Namju PARK , Sunggyun PARK
Abstract: A home appliance includes a case having a first seating portion and a second seating portion, a first coil arranged in the first seating portion and configured to generate induced current to the first seating portion, a second coil arranged in the second seating portion and configured to generate induced current to the second seating portion and having a height lower than a height of the first seating portion, a first inverter arranged in the first seating portion and to supply driving current to the first coil to cause the first coil to generate the induced current, and a second inverter arranged in the first seating portion and to supply driving current to the second coil to cause the second coil to generate the induced current.
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公开(公告)号:US20250119986A1
公开(公告)日:2025-04-10
申请号:US18934539
申请日:2024-11-01
Applicant: Samsung Electronics Co., Ltd.
Inventor: Hongjoo KANG , Eundae BAE , Namju PARK , Jiwoong CHOI
Abstract: An induction heating device including a first burner; a first working coil for the first burner; a second burner; a second working coil for the second burner; an inverter including a plurality of switches, the plurality of switches being configured to perform switching so that a current flows through the first working coil and the second working coil; and a processor configured to control the switching by the plurality of switches so that the first working coil has a first operating frequency due to an inductance value of the first working coil and the current flowing through the first working coil, the second working coil has a second operating frequency due to an inductance value of the second working coil and the current flowing through the second working coil, and the first operating frequency differs from the second operating frequency by a predetermined frequency value or more.
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公开(公告)号:US20240195223A1
公开(公告)日:2024-06-13
申请号:US18536913
申请日:2023-12-12
Applicant: Samsung Electronics Co., Ltd.
Inventor: Jaejin KIM , Dongwook KIM , Jiwoong CHOI , Heejun KANG , Namju PARK
CPC classification number: H02J50/12 , H02J50/402 , H02J50/80 , H05B1/0266 , H05B6/062 , H05B6/1236 , H02J2310/14 , H05B2213/06
Abstract: A wireless power transmission device is provided. The wireless power transmission device includes a wireless power transmitter configured to wirelessly transmit power to a cooking appliance, a communication interface configured to establish a wireless communication connection to the cooking appliance, memory storing one or more programs including instructions and transmission frequency information for each of a plurality of cooking appliances including a load, and one or more processors, wherein instructions, when executed by the one or more processors, cause the wireless power transmission device to control the communication interface to receive identification information related to a type of the cooking appliance, determine a limited frequency corresponding to the identification information, based on the transmission frequency information, and set an operation frequency range of first power being transmitted to the cooking appliance in a low-load state in which an operation of a main load of the cooking appliance is stopped, based on the limited frequency.
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8.
公开(公告)号:US20240186828A1
公开(公告)日:2024-06-06
申请号:US18438761
申请日:2024-02-12
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Jungsuk CHU , Taeho LEE , Dongoh KANG , Kanghoon KIM , Yongwook KIM , Namju PARK
CPC classification number: H02J50/12 , H02M1/0009 , H02M1/0058 , H02J2310/14
Abstract: A wireless power-driven household device for controlling an amount of power to be supplied to a load includes a wireless power transmitter configured to wirelessly transmit power via a transmitting coil, a receiving coil configured to wirelessly receive power from the transmitting coil of the wireless power transmitter, a rectifier configured to rectify an alternating current (AC) voltage received wirelessly, a direct current (DC) link configured to receive a DC voltage that is an output of the rectifier, a current sensor configured to sense current supplied from the DC link to the load, a switch provided between the rectifier and the DC link to adjust an amount of power to be supplied to the load based on the current supplied to the load and sensed by the current sensor, and a controller configured to control an on/off state of the switch.
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公开(公告)号:US20210352774A1
公开(公告)日:2021-11-11
申请号:US17284705
申请日:2019-10-08
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Jiwoong CHOI , Namju PARK , Changsun YUN , Hyunkwan LEE
IPC: H05B6/06 , H05B6/12 , H05B6/04 , H02M7/493 , H02M7/5387
Abstract: A control method for a cooking apparatus is disclosed. The disclosed control method for the cooking apparatus comprises the steps of: receiving an input of an output level for a heating coil; determining a plurality of driving frequencies for a driving power on the basis of the output level; generating a driving power alternately having the plurality of determined driving frequencies; and providing the generated driving power to the heating coil.
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