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1.发明公开公开(公告)号：US20230143912A1
公开(公告)日：2023-05-11
申请号：US17985599
申请日：2022-11-11
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Kyungho RYU , Kyongho KIM , Yongyun PARK , Kilhoon LEE , Yeongcheol RHEE , Taeho LEE , Hyunwook LIM
IPC: G09G5/00
CPC classification number: G09G5/008 , G09G2370/04
Abstract: Provided is a display driving circuit. The display driving circuit includes a clock data recovery circuit configured to receive a data signal and generate a clock signal and a first output data signal, an eye margin test circuit configured to sample the data signal by using the clock signal, based on a vertical measurement voltage and generate a second output data signal, and a bit error check circuit configured to measure a bit error rate of the data signal, based on the first output data signal and the second output data signal, wherein the clock data recovery circuit includes a jitter generator configured to generate jitter of the clock signal such that a jitter amplitude varies according to a horizontal control signal.
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公开(公告)号：US20250062705A1
公开(公告)日：2025-02-20
申请号：US18912164
申请日：2024-10-10
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Junghoon LEE , Youngjae PARK , Jonghyun SHIN , Taeho LEE , Jehyung CHO
Abstract: An air conditioner includes an inverter configured to drive a first motor for driving a first outdoor unit and a second motor for driving a second outdoor unit in parallel, and a processor. The processor is configured to determine parameters of the first motor and parameters of the second motor, compare the parameters of the first motor with the parameters of the second motor to determine whether the parameters differ by at least a certain value, and control the inverter through heterogeneous control for the first motor and the second motor based on the parameters differing by at least a certain value.
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公开(公告)号：US20230389132A1
公开(公告)日：2023-11-30
申请号：US18326564
申请日：2023-05-31
Applicant: Samsung Electronics Co., Ltd.
Inventor： Jaejin KIM , Sojeong YU , Taeho LEE , Yongwook KIM , Jiwoong CHOI , Hyunjoon CHOO
CPC classification number: H05B1/0266 , H05B6/06 , H05B6/1245 , H05B2213/06
Abstract: A wireless power transmission apparatus for determining empty heating is provided. The wireless power transmission apparatus includes at least one processor configured to control a communication interface configured to communicate with a cooking appliance, wherein the communication interface is further configured to receive, from the cooking appliance, a temperature of a bottom surface of the cooking appliance and an internal temperature of the cooking appliance for a first time period during which a heating operation is performed and for a second time period following the first time period, during which the heating operation is stopped, and the at least one processor is further configured to stop the heating operation for the second time period, and determine whether the cooking appliance undergoes empty heating based on a relationship between the temperature of the bottom surface and the internal temperature for the second time period.
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公开(公告)号：US20210013825A1
公开(公告)日：2021-01-14
申请号：US16922419
申请日：2020-07-07
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Taeho LEE , Junghyun LEE , Junghoon LEE , Yoonsup KIM , Youngjae PARK , Jieun BAN , Jong-Hyun SHIN
Abstract: A compressor control apparatus includes a rectifier configured to rectify AC power to DC power; an inverter including a plurality of switching elements, configured to convert the DC power into a three-phase voltage according to a pulse width modulation (PWM) signal applied to the plurality of switching elements; a motor configured to receive a three-phase current based on the three-phase voltage; a current detector configured to detect a sum of a first phase current, a second phase current, and a third phase current supplied to the motor; and a controller configured to differently determine a duty ratio of the PWM signal applied to each of the plurality of switching elements, and to determine the first phase current, the second phase current, and the third phase current, respectively, based on the determined duty ratio and the sum of the currents detected from the current detector.
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Patent Agency Ranking
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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公开(公告)号：US20240322674A1
公开(公告)日：2024-09-26
申请号：US18731957
申请日：2024-06-03
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Hyomin AHN , Youngjae PARK , Junghyun LEE , Taeho LEE , Jehyung CHO
CPC classification number: H02M1/4291 , H02M1/0048 , H02M7/06
Abstract: A home appliance for controlling a harmonic magnitude includes a current sensor configured to detect an input current of a power source, and at least one processor, and the at least one processor is configured to obtain a harmonic component from the input current detected by the current sensor, determine a length of a non-conducting interval of a switch so that a magnitude of the obtained harmonic component is less than a predetermined harmonic reference value, and generate a current reference value corresponding to the determined length of the non-conducting interval.
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8.发明公开公开(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：US20210068208A1
公开(公告)日：2021-03-04
申请号：US17010741
申请日：2020-09-02
Inventor： Dongoh KANG , Sangmin PARK , Byoungkuk LEE , Hyomin AHN , Eunsu JANG , Changsun YUN , Taeho LEE
Abstract: A cooking apparatus and a method for controlling the same. The cooking apparatus may include a heating coil operable by an induction heating method, an inverter configured to provide a driving power to the heating coil, a sensing coil positioned at an upper portion or a lower portion of the heating coil, a sensing circuit configured to provide a test power to an end of the sensing coil and sense a magnitude of power that is output at other end of the sensing coil, and a processor configured to identify whether an object to be heated is disposed at an upper portion of the sensing coil based on the magnitude of power sensed by the sensing circuit, and based on the disposition of the object to be heated being identified, control the inverter to apply the driving power to the heating coil.
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