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    • 91. 发明授权
    • Auto-focusing device and image pickup device
    • 自动对焦装置和图像拾取装置
    • US09519202B2
    • 2016-12-13
    • US14483770
    • 2014-09-11
    • Panasonic Corporation
    • Kenichi HonjoMitsuyoshi OkamotoKoji Shibuno
    • G03B13/36H04N5/232G03B3/10G02B7/36
    • G03B13/36G02B7/36G03B3/10H04N5/23212H04N5/23219
    • An auto-focusing device including: an imaging unit which generates image data of a subject image; an optical system which includes a focus lens; a lens driver which drives the focus lens; a lens position detector which detects a position of the focus lens; a region detector which detects a predetermined region of the subject image; an evaluation value calculating unit which calculates an AF evaluation value; a movement determining unit which determines whether a subject is moving closer or away based on whether the predetermined region has been enlarged or reduced from the region before; and a lens controller which controls the lens driver, wherein the lens controller controls a moving direction and a moving speed of the focus lens in an autofocus operation based on a determination result of the movement determining unit, the AF evaluation value, and a position detection result for the focus lens.
    • 一种自动对焦装置,包括:成像单元,其生成被摄体图像的图像数据; 包括聚焦透镜的光学系统; 驱动聚焦透镜的透镜驱动器; 检测聚焦透镜的位置的透镜位置检测器; 区域检测器,其检测所述被摄体图像的预定区域; 评估值计算单元,其计算AF评估值; 运动确定单元,其基于所述预定区域是否已经从所述区域放大或缩小来确定对象是否正在移动得更近或远离; 以及控制透镜驱动器的透镜控制器,其中透镜控制器基于移动确定单元的确定结果,AF评估值和位置检测来控制自动聚焦操作中的聚焦透镜的移动方向和移动速度 结果为聚焦镜头。
    • 96. 发明授权
    • Apparatus for driving actuator of camera module in mobile device
    • 用于在移动设备中驱动相机模块的致动器的装置
    • US09500835B2
    • 2016-11-22
    • US14323192
    • 2014-07-03
    • SAMSUNG ELECTRO-MECHANICS CO., LTD.
    • Shin Jae Kang
    • G02B7/00H04N5/225
    • G02B7/00G02B7/08G03B3/10G03B2205/0007G03B2205/0053H04N5/2257
    • Embodiments of the invention provide an apparatus for driving an actuator of a camera module in a mobile device. The apparatus includes a proportional-integral-derivative (PID) controller configured to compare an output of a gyro sensor with an output of a hall sensor configured to sense a position of an actuator to output a digital signal of plural bits, and a differential current digital-to-analog converter configured to convert the digital signal output from the PID controller into an analog current signal. The apparatus further includes a linear driver configured to receive the signal output from the differential current digital-to-analog converter to output a linear driving signal, an H-bridge circuit configured to control magnitudes of a forward driving current and a reverse driving current flowing in the actuator based on the output of the linear driver, and a driving direction controller configured to output a signal controlling a direction of current flowing in the actuator to the H-bridge circuit based on the digital signal output from the PID controller.
    • 本发明的实施例提供一种用于驱动移动设备中的相机模块的致动器的装置。 该装置包括比例积分微分(PID)控制器,其被配置为将陀螺传感器的输出与霍尔传感器的输出进行比较,霍尔传感器被配置为感测致动器的位置以输出多个位的数字信号,以及差分电流 配置为将从PID控制器输出的数字信号转换成模拟电流信号的数/模转换器。 该装置还包括线性驱动器,其被配置为接收从差分电流数模转换器输出的信号以输出线性驱动信号; H桥电路,被配置为控制正向驱动电流的大小和反向驱动电流流动 基于线性驱动器的输出的致动器以及驱动方向控制器,被配置为基于从PID控制器输出的数字信号,输出控制致动器中流动的电流的方向到H桥电路的信号。
    • 99. 发明申请
    • LENS DRIVING DEVICE
    • 镜头驱动装置
    • US20160313569A1
    • 2016-10-27
    • US15136542
    • 2016-04-22
    • TDK CORPORATION
    • Shusuke ICHIHASHI
    • G02B27/64G02B7/04
    • G02B27/646G02B7/04G02B7/08G02B7/102G02B7/36G03B3/10H04N5/23212
    • The present invention is a lens driving device comprising first driving coils 30a which relatively moves a lens holder 40 against a base part 10 along X axis perpendicular to an optical axis of a lens 100, and second driving coils 30b which relatively moves a lens holder 40 against a base part 10 along Y axis perpendicular to an optical axis. At the base part 10, an opening part 12 is formed where a part of the lens 100 is to be inserted in a movable manner along the driving plane. The oblique diameter Dxy1 and Dxy2 of the opening part 12 along the oblique direction positioned at the middle of X axis and Y axis, is larger than the first inner diameter Dx along X axis direction of the opening part 12, and also larger than the second inner diameter Dy along Y axis direction of the opening part 12. At the base part 10, the cylinder shape projection part 14 is formed along the periphery of the opening part 12.
    • 本发明是一种透镜驱动装置,包括:第一驱动线圈30a,其将透镜保持件40相对于垂直于透镜100的光轴的X轴相对地移动到基部10;以及第二驱动线圈30b,其相对移动透镜保持器40 沿着垂直于光轴的Y轴抵靠基部10。 在基部10处,形成开口部12,其中透镜100的一部分沿着驱动平面可移动地插入。 开口部12的沿着位于X轴和Y轴的中心的倾斜方向的斜直径Dxy1和Dxy2大于沿着开口部12的X轴方向的第一内径Dx,并且大于第二 内径Dy沿着开口部12的Y轴方向。在基部10处,圆筒状突起部14沿着开口部12的周缘形成。