公开(公告)号：US20180278850A1

公开(公告)日：2018-09-27

申请号：US15798470

申请日：2017-10-31

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Kyung Rin KIM ,  Gyu Won KIM ,  Chang Jae HEO

IPC: H04N5/232 ,  G03B5/00

CPC classification number: H04N5/23287 ,  G03B5/00 ,  G03B2205/0069 ,  H04N5/2257 ,  H04N5/23254

Abstract: An actuator of a camera module includes a magnetic body, a driving coil disposed to face the magnetic body, and a driving apparatus including a driving circuit connected to the driving coil and selectively providing one of a first control signal and a second control signal to the driving circuit according to a driving mode. The driving apparatus compares a level of a control signal of a previous driving mode with a level of a control signal of a following driving mode upon the driving mode being switched.

公开(公告)号：US20160148360A1

公开(公告)日：2016-05-26

申请号：US14947186

申请日：2015-11-20

Applicant: Samsung Electro-Mechanics Co., Ltd.

Inventor： Kyung Rin KIM ,  Byoung Won HWANG ,  Chang Hyun KIM

IPC: G06T5/20 ,  G06T5/00 ,  H04N5/232 ,  H04N5/262

CPC classification number: H04N5/23258 ,  G06T5/003 ,  G06T2207/20201 ,  H04N5/23264 ,  H04N5/2328

Abstract: A filter preprocessing circuit includes: a determiner configured to determine, depending on a level of an offset included in a detection signal from a gyro sensor, whether or not a preprocessing operation is to be performed before the detection signal is transferred to a filter; and a remover configured to remove a portion of the offset from the detection signal during the preprocessing operation.

Abstract translation: 滤波器预处理电路包括：确定器，被配置为根据来自陀螺仪传感器的检测信号中包括的偏移的电平来确定在检测信号被传送到滤波器之前是否执行预处理操作; 以及去除器，被配置为在预处理操作期间从检测信号中去除偏移的一部分。

公开(公告)号：US20150211856A1

公开(公告)日：2015-07-30

申请号：US14304704

申请日：2014-06-13

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Kyung Rin KIM ,  Byoung Won HWANG ,  Chang Hyun KIM

IPC: G01C19/5776

CPC classification number: G01C19/5776 ,  G01C25/005

Abstract: Embodiments of the invention provide a driving circuit of a gyro sensor and a method for controlling a driving circuit of a gyro sensor. The driving circuit includes an analog circuit configured to receive one or more driving displacement signals and one or more gyro signals related to one or more sensing axes from the gyro sensor, detect one or more direct current (DC) gyro signal values through a demodulation process using a clock signal generated by using the one or more driving displacement signals and the one or more gyro signals, and receive temperature data from a temperature sensor. The driving circuit further includes a signal converter configured to convert the one or more DC gyro signals and the temperature data into one or more digital signals, and a digital circuit. The digital circuit is configured to receive the one or more DC gyro signal values and the temperature data from the signal converter, and compare an output signal value from the analog circuit based on only a pre-set reference voltage with a pre-set reference value through a predetermined control signal according to a result of a comparison between a temperature variation calculated based on the temperature data with a pre-set reference variation, to control a determination of whether an offset has been generated with respect to the output signal value and performing a correction calculation on the offset or performing a termination.

Abstract translation: 本发明的实施例提供了陀螺仪传感器的驱动电路和用于控制陀螺仪传感器的驱动电路的方法。 驱动电路包括被配置为从陀螺仪传感器接收一个或多个驱动位移信号和与一个或多个感测轴相关的一个或多个陀螺仪信号的模拟电路，通过解调过程检测一个或多个直流（DC）陀螺仪信号值 使用通过使用一个或多个驱动位移信号和一个或多个陀螺仪信号而产生的时钟信号，以及从温度传感器接收温度数据。 驱动电路还包括被配置为将一个或多个DC陀螺仪信号和温度数据转换为一个或多个数字信号的信号转换器和数字电路。 数字电路被配置为从信号转换器接收一个或多个DC陀螺仪信号值和温度数据，并且仅将预设的参考电压与来自模拟电路的输出信号值预先设定为基准值进行比较 根据基于温度数据计算出的温度变化与预先设定的参考变化的比较的结果，通过预定的控制信号来控制是否已经相对于输出信号值产生了偏移并且执行 对偏移量进行校正计算或执行终止。

公开(公告)号：US20180149881A1

公开(公告)日：2018-05-31

申请号：US15655130

申请日：2017-07-20

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Kyung Rin KIM ,  Jin Yong KANG

IPC: G02B27/64 ,  G02B7/09 ,  G03B13/36 ,  G03B5/02 ,  H02K41/035

Abstract: An actuator of a camera module includes a magnetic body disposed on one side surface of a lens barrel, a driving coil, and a driving apparatus. The driving coil faces the magnetic body. The driving apparatus is configured to drive the driving coil in one of a linear driving scheme and a pulse width modulation (PWM) driving scheme based on an external illumination information in an illumination signal and move the lens barrel in a direction perpendicular to an optical axis direction.

公开(公告)号：US20180149824A1

公开(公告)日：2018-05-31

申请号：US15656188

申请日：2017-07-21

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Kyung Rin KIM ,  Gyu Won KIM

IPC: G02B7/02 ,  H04N5/232

CPC classification number: G02B7/023 ,  G02B7/021 ,  G02B27/646 ,  G03B13/36 ,  G03B2205/0076 ,  H04N5/2257 ,  H04N5/23287

Abstract: An actuator of a camera module includes a shape memory alloy (SMA) wire group and a driver. The shape memory alloy (SMA) wire group includes first SMA wires driving a first lens module and second SMA wires driving a second lens module. The driver configured to drive a pair of SMA wires driving different lens modules of the first and the second lens modules among the first and the second SMA wires in a same scheme.

公开(公告)号：US20160061628A1

公开(公告)日：2016-03-03

申请号：US14679245

申请日：2015-04-06

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Kyung Rin KIM ,  Byoung Won HWANG ,  Chang Hyun KIM

IPC: G01C25/00

CPC classification number: G01C19/5776

Abstract: There is provided an apparatus for correcting a gyro sensor, including: a driving circuit using a driving displacement signal from the gyro sensor and a reference voltage to output a demodulated signal; a correction circuit determining whether a duty ratio of the demodulated signal is distorted and performing a correction to converge the duty ratio of the demodulated signal to a preset target value if it is determined that the duty ratio of the demodulated signal is distorted; and a sensing circuit performing a demodulation process of a sensing signal from the gyro sensor using the demodulated signal to output a gyro signal, whereby it is possible to accurately detect the gyro signal so as to assure reliability of the gyro sensor.

Abstract translation: 提供了一种用于校正陀螺传感器的装置，包括：使用来自陀螺传感器的驱动位移信号的驱动电路和参考电压以输出解调信号; 确定解调信号的占空比是否失真的校正电路，并且如果确定解调信号的占空比失真，则执行校正以将解调信号的占空比收敛到预设目标值; 以及感测电路，使用解调信号来执行来自陀螺仪传感器的感测信号的解调处理，以输出陀螺仪信号，从而可以精确地检测陀螺仪信号，以确保陀螺仪传感器的可靠性。

公开(公告)号：US20140144233A1

公开(公告)日：2014-05-29

申请号：US14088136

申请日：2013-11-22

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Kyung Rin KIM ,  Byoung Won HWANG ,  Chang Hyun KIM

IPC: H03G3/20 ,  G01P15/08

CPC classification number: G01P15/08 ,  G01C19/5776 ,  H03G3/30

Abstract: The present invention relates to an apparatus and a method for automatic gain control of a sensor, and a sensor apparatus. The apparatus for automatic gain control of a sensor including: a PID control unit for outputting a gain value applied compensated sensor signal by performing PID control while generating and changing a gain value to converge a peak value of a sensor signal to a target value; and a margin calculation unit for determining the degree of change of peaks of a previous gain value applied compensated sensor signal and a current gain value applied compensated sensor signal and performing calculation of a margin for stabilizing the compensated sensor signal according to the result of determination of the degree of change is provided. Further, a sensor apparatus and a method for automatic gain control of a sensor are provided.

Abstract translation: 本发明涉及用于传感器的自动增益控制的装置和方法以及传感器装置。 一种用于传感器的自动增益控制的装置，包括：PID控制单元，用于通过在产生和改变增益值的同时执行PID控制来输出施加的补偿传感器信号的增益值，以将传感器信号的峰值收敛到目标值; 以及余量计算单元，用于确定应用补偿传感器信号的前一个增益值的峰值的变化程度和施加的补偿传感器信号的当前增益值，并且根据确定的结果执行用于稳定补偿的传感器信号的余量的计算 提供变更的程度。 此外，提供了一种用于传感器的自动增益控制的传感器装置和方法。