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

IPC: H05B6/06 ,  H05B6/12 ,  H05B1/02 ,  H02J50/10 ,  H02M7/04

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.

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

IPC: H02J50/12 ,  H02M1/00

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.

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

IPC: H02J50/80 ,  H02J50/12

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.

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

IPC: H02J50/60 ,  H02J50/00 ,  H02J50/12 ,  H02J50/90 ,  H02J50/80 ,  H02J50/40 ,  H01Q1/38

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.