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公开(公告)号：US20210019014A1
公开(公告)日：2021-01-21
申请号：US16807308
申请日：2020-03-03
Applicant: Samsung Electro-Mechanics Co., Ltd.
Inventor： Soo Woong LEE , Joo Yul KO , Je Hyuk RYU
Abstract: A switching operation sensing apparatus includes an input operation unit including a first detector integrally formed with a housing; a current variable oscillation circuit generating an oscillation signal having a frequency that varies based on a change in a capacitance from a human body touch on the operating unit, or a change in an inductance from a non-human body touch on the operating unit, and regulate an operating current in response to a control signal; an input operation detection circuit identifying the touch to be from the human body touch, and identifying the touch to be from the non-human body touch based on characteristics of the varied frequency, and generating detection signals having different levels based on the identification of the touch; and a control circuit that determines a sensing manner based on the detection signals and generating the control signal current based on the determined sensing manner.
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公开(公告)号：US20230341578A1
公开(公告)日：2023-10-26
申请号：US17948164
申请日：2022-09-19
Applicant: Samsung Electro-Mechanics Co., Ltd.
Inventor： Soo Woong LEE
CPC classification number: G01V3/088 , G04F10/005
Abstract: A capacitance sensing device including a capacitor configured to have a sensed capacitance value that changes according to a proximity of an object, a sampler configured to sample the sensed capacitance value and output a sampling voltage, a voltage-controlled oscillator configured to convert the sampling voltage output from the sampler into an oscillation signal, and a time-to-digital converter configured to convert the oscillation signal into a digital signal, the digital signal including a sensed capacitance value corresponding to a frequency value of the oscillation signal.
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公开(公告)号：US20140176099A1
公开(公告)日：2014-06-26
申请号：US13784331
申请日：2013-03-04
Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
Inventor： Soo Woong LEE
IPC: G05F1/10
Abstract: There is provided a voltage supply device, including an inputting unit obtaining a reference voltage; an operational amplifier obtaining switching information based on the reference voltage and a feedback voltage, a switching unit outputting an input voltage as the feedback voltage based on the switching information from the operational amplifier, a controlling unit obtaining a control signal based on the reference voltage, and an outputting unit outputting an output voltage and hysteresis information based on the control signal.
Abstract translation: 提供了一种电压供应装置，包括获得参考电压的输入单元; 基于参考电压和反馈电压获得开关信息的运算放大器，基于来自运算放大器的开关信息输出输入电压作为反馈电压的开关单元，基于参考电压获得控制信号的控制单元， 以及输出单元，其基于所述控制信号输出输出电压和滞后信息。
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公开(公告)号：US20140117897A1
公开(公告)日：2014-05-01
申请号：US13747126
申请日：2013-01-22
Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
Inventor： Soo Woong LEE
IPC: H02P6/00
Abstract: There is provided a motor driving apparatus capable of stably performing operation conversion between a normal mode and a sleep mode by counting a duty of the PWM signal according to a preset clock signal, the motor driving apparatus including: a pulse width modulation (PWM) signal generating unit providing a PWM signal for driving a motor; a driving unit operating normally in a normal mode and waiting for operation in a sleep mode according to a control, and driving the motor in response to the PWM signal of the PWM signal generating unit; and a driving controlling unit counting a duty of the PWM signal according to a preset clock signal to determine an operation mode of the driving unit.
Abstract translation: 提供了一种电动机驱动装置，其能够通过根据预设的时钟信号对PWM信号的占空比进行计数来稳定地执行正常模式和睡眠模式之间的操作转换，所述电动机驱动装置包括：脉宽调制（PWM）信号 提供用于驱动电动机的PWM信号的发电单元; 驱动单元，其以正常模式正常工作，并且根据控制等待在休眠模式下操作，并且响应于PWM信号生成单元的PWM信号驱动所述电动机; 以及驱动控制单元，根据预设的时钟信号对PWM信号的占空比进行计数，以确定驱动单元的操作模式。
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公开(公告)号：US20140111173A1
公开(公告)日：2014-04-24
申请号：US13740751
申请日：2013-01-14
Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
Inventor： Soo Woong LEE
IPC: G05F1/613
CPC classification number: G05F1/565
Abstract: There is provided a low drop-out regulator. The low drop-out regulator includes a reference voltage generating unit converting input power to generate a reference voltage; an amplifier comparing the reference voltage and a feedback voltage to output a gate signal; a pass transistor array unit including a first transistor and a second transistor respectively including a gate receiving the gate signal; a voltage detector detecting the feedback voltage and an output voltage by using a switching operation of the pass transistor array unit; and a controller shutting off the gate signal applied to either of the first transistor or the second transistor, according to the reference voltage and the input power.
Abstract translation: 提供了一个低压差调节器。 低压差稳压器包括参考电压产生单元，其转换输入功率以产生参考电压; 比较参考电压和反馈电压以输出门信号的放大器; 传输晶体管阵列单元，包括分别包括接收所述栅极信号的栅极的第一晶体管和第二晶体管; 电压检测器，通过使用所述通过晶体管阵列单元的开关动作来检测所述反馈电压和输出电压; 以及控制器，根据参考电压和输入功率来切断施加到第一晶体管或第二晶体管中的任一个的栅极信号。
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Patent Agency Ranking
公开(公告)号：US20210004097A1
公开(公告)日：2021-01-07
申请号：US16798914
申请日：2020-02-24
Applicant: Samsung Electro-Mechanics Co., Ltd.
Inventor： Jung Eui PARK , Joo Yul KO , Ho Kwon YOON , Woo Young CHOI , Soo Woong LEE , Joo Hyoung LEE , Ju Yong KIM
Abstract: A sensing device with a fingerprint sensor is provided. The sensing device includes a touch input pattern included in the fingerprint sensor, an oscillation circuit connected to the touch input pattern and configured to change a capacitance of the oscillation circuit when a touch occurrence is sensed by the touch input pattern and generate an oscillation signal based on the change in the capacitance, and an operation detection circuit configured to detect a touch occurrence based on a frequency included in the oscillation signal input from the oscillation circuit and generate a detection signal.
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公开(公告)号：US20180152608A1
公开(公告)日：2018-05-31
申请号：US15651189
申请日：2017-07-17
Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
Inventor： Jong Woo LEE , Joo Hyoung LEE , Je Hyuk RYU , Woo Young CHOI , Yong Woon JI , Soo Woong LEE , Byung Joo HONG , Joo Yul KO
CPC classification number: H04N5/2257 , G02B7/028 , G02B7/08 , G02B7/09 , G02B27/64 , G02B27/646 , H04N5/2253 , H04N5/232 , H04N5/23212 , H04N5/23258 , H04N5/23287
Abstract: An actuator includes a magnet, a driving coil, a driver, and a position detector. The magnet is disposed on one surface of a lens barrel. The driving coil is disposed at a proximity of the magnet. The driver is configured to apply a driving signal to the driving coil to move the lens barrel along an optical axis. The position detector is configured to generate an oscillation signal of which a frequency is changed based on movement of the magnet and configured to compare oscillation signals generated in a first position and a second position of the lens barrel to detect a present position of the lens barrel.
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公开(公告)号：US20180120364A1
公开(公告)日：2018-05-03
申请号：US15602653
申请日：2017-05-23
Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
Inventor： Jong Woo LEE , Joo Hyoung LEE , Je Hyuk RYU , Woo Young CHOI , Yong Woon JI , Soo Woong LEE , Byung Joo HONG , Joo Yul KO
CPC classification number: G01R23/02 , G01R23/10 , H03H17/0671 , H03K21/10 , H03K21/40
Abstract: A digital frequency measuring apparatus includes a frequency divider dividing an input frequency signal and providing a divided frequency signal; a period counter counting clock cycles in a period of the divided frequency signal using a clock signal and providing a period count value for each period; and a digital filter amplifying the period count value using an accumulated gain, converting an amplified period count value into a frequency, and providing a first digital output value. The digital filter determines the accumulated gain using a predetermined stage number and a predetermined decimator factor.
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公开(公告)号：US20150115852A1
公开(公告)日：2015-04-30
申请号：US14244450
申请日：2014-04-03
Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
Inventor： Soo Woong LEE
IPC: H02H7/122
Abstract: An over-current protection circuit may include a preliminary driving unit driving a motor inverter in a start-up mode prior to a normal mode, a current level detecting unit detecting a level of a current flowing through the motor inverter and a motor according to driving of the motor inverter and providing a detection voltage, and an over-current reference voltage setting unit setting the detection voltage detected by the current level detecting unit as an over-current reference voltage in the start-up mode.
Abstract translation: 过电流保护电路可以包括在正常模式之前以启动模式驱动电动机逆变器的初步驱动单元，检测流过电动机逆变器的电流的电流的电流电平检测单元和根据驱动的电动机 并提供检测电压，以及过电流参考电压设定单元，其将由电流电平检测单元检测的检测电压设置为起动模式中的过电流参考电压。
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10.发明申请APPARATUS AND METHOD FOR DETECTING BACK ELECTRO-MOTIVE FORCE IN SENSORLESS MOTOR 审中-公开用于检测传感器电机中反电动力的装置和方法公开(公告)号：US20150061553A1
公开(公告)日：2015-03-05
申请号：US14084531
申请日：2013-11-19
Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
Inventor： Soo Woong LEE
IPC: H02P6/18
Abstract: There are provided an apparatus and a method for detecting back electro-motive force (EMF) in a motor. The apparatus includes: a mode selecting unit selecting between an amplification mode and a bypass mode when power is on; a back EMF amplifying unit amplifying a back EMF voltage from the motor during an initial driving period if the amplification mode is selected by the mode selecting unit, and allowing the back EMF voltage to bypass it after the initial driving period if the bypass mode is selected by the mode selecting unit; and a zero-crossing detecting unit detecting a zero-crossing of an output signal from the back EMF amplifying unit, wherein the back EMF amplifying unit amplifies the back EMF voltage to a level detectable by the zero-crossing unit or higher.
Abstract translation: 提供了一种用于检测电动机中的反电动势（EMF）的装置和方法。 该装置包括：模式选择单元，当电源接通时，在放大模式和旁路模式之间进行选择; 反向EMF放大单元，如果模式选择单元选择了放大模式，则在初始驱动周期期间放大来自电动机的反电动势电压，并且如果选择了旁路模式，则允许反电动势电压在初始驱动周期之后绕过它 通过模式选择单元; 以及检测来自所述反电动势放大单元的输出信号的过零点的过零检测单元，其中所述反电动势放大单元将所述反电动势电压放大到所述过零点以上可检测的水平。
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