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    • 1. 发明授权
    • Stereoscopic camera module and electronic device using the same
    • 立体相机模块和电子装置使用相同
    • US08514271B2
    • 2013-08-20
    • US12900461
    • 2010-10-07
    • Shih-Chieh Yen
    • Shih-Chieh Yen
    • H04N13/02
    • H04N5/2257H04N13/211H04N2213/001
    • A stereoscopic camera module includes two lens modules, a light guide assembly, an image sensor, and a processor. Each lens module includes a shutter and at least one lens. The light guide assembly includes two inlets and an outlet, the two inlets are hermetically sealed by the two lens modules. External light rays enter into the two inlets from the two lens modules respectively and project from the outlet. The image sensor is position at the outlet of the light guide assembly and configured for capturing images. The processor is configured for controlling the shutters to open in quick succession and composing a left image and a right image alternately captured by the image sensor to a stereoscopic image.
    • 立体相机模块包括两个透镜模块,光导组件,图像传感器和处理器。 每个透镜模块包括快门和至少一个透镜。 光导组件包括两个入口和出口,两个入口由两个透镜模块气密密封。 外部光线分别从两个透镜模块进入两个入口,并从出口突出。 图像传感器位于光导组件的出口处并被配置用于捕获图像。 处理器被配置为控制快门以快速连续的方式打开,并且将由图像传感器交替地捕获的左图像和右图像组合成立体图像。
    • 2. 发明授权
    • Phase-locked loop with calibration function and associated calibration method
    • 具有校准功能和相关校准方法的锁相环
    • US08421507B2
    • 2013-04-16
    • US13299638
    • 2011-11-18
    • Ming-Yu HsiehShih-Chieh Yen
    • Ming-Yu HsiehShih-Chieh Yen
    • H03L7/06
    • H03L7/10H03L7/087H03L7/093
    • A phase-locked loop (PLL) includes a charge pump, a frequency divider, a voltage detector, a control module, and a calibration module. When a predetermined current amount and a predetermined frequency dividing amount are provided, the voltage detector measures a voltage associated with an output frequency of the PLL to generate a first reference voltage. When a test current amount and the predetermined frequency dividing amount are provided, the voltage detector again measures the voltage to generate a second reference voltage. When the predetermined current amount and a test frequency dividing amount are provided, the voltage detector again measures the voltage to generate a third reference voltage. The control module estimates a loop gain of the PLL according to the current amounts, the frequency dividing amounts and the reference voltages. The calibration module calibrates the PLL according to the loop gain.
    • 锁相环(PLL)包括电荷泵,分频器,电压检测器,控制模块和校准模块。 当提供预定电流量和预定分频量时,电压检测器测量与PLL的输出频率相关联的电压以产生第一参考电压。 当提供测试电流量和预定分频量时,电压检测器再次测量电压以产生第二参考电压。 当提供预定电流量和测试分频量时,电压检测器再次测量电压以产生第三参考电压。 控制模块根据当前量,分频量和参考电压来估计PLL的环路增益。 校准模块根据环路增益校准PLL。
    • 4. 发明申请
    • Phase-Locked Loop
    • 锁相环
    • US20120119801A1
    • 2012-05-17
    • US13297195
    • 2011-11-15
    • Ming-Yu HsiehShih-Chieh Yen
    • Ming-Yu HsiehShih-Chieh Yen
    • H03L7/087
    • H03L7/10H03L7/087H03L7/093H03L7/1976
    • A phase-locked loop (PLL) including an active filter, a voltage-controlled oscillator (VCO), two phase detectors, a charge pump and a digital-to-analog converter (DAC) is provided. The VCO generates an oscillation signal according to a control signal provided at an output of the active filter. The first phase detector generates a phase difference signal according to a reference signal and a feedback signal associating with the oscillation signal. The charge pump provides a charging current to a first input of the active filter according to the phase difference. The second phase detector generates a digital reference signal according to the phase difference between the reference signal and the feedback signal. The DAC converts the digital reference signal to an analog reference voltage and provides the analog reference voltage to the second input of the active filter.
    • 提供了包括有源滤波器,压控振荡器(VCO),两相检测器,电荷泵和数模转换器(DAC)的锁相环(PLL)。 VCO根据在有源滤波器的输出处提供的控制信号产生振荡信号。 第一相位检测器根据参考信号和与振荡信号相关联的反馈信号产生相位差信号。 电荷泵根据相位差向有源滤波器的第一输入端提供充电电流。 第二相位检测器根据参考信号和反馈信号之间的相位差产生数字参考信号。 DAC将数字参考信号转换为模拟参考电压,并将模拟参考电压提供给有源滤波器的第二个输入。
    • 6. 发明授权
    • Bandwidth control apparatus for phase lock loop and method thereof
    • 锁相环带宽控制装置及其方法
    • US07948286B2
    • 2011-05-24
    • US12862346
    • 2010-08-24
    • Shih-Chieh YenYao-Chi WangMing-Yu Hsieh
    • Shih-Chieh YenYao-Chi WangMing-Yu Hsieh
    • H03L7/06
    • H03L7/1075H03L7/093H03L7/1072
    • A loop bandwidth control apparatus applied to a phase locked loop (PLL) includes a first loop filter module, a second loop filter module, a control module, a first switching module, and a second switching module. The first filter module and the second loop filter module output a first voltage and a second voltage, respectively. The second loop filter module has a bandwidth different from that of the first loop filter module. According to one of the first voltage and the second voltage, the control module generates a bandwidth control signal. According to the bandwidth control signal, the first switching module forms a path between a charge pump and one of the first loop filter module and the second loop filter module, and the second switching module forms a path between a voltage-controlled oscillator (VCO) and one of the first loop filter module and the second loop filter module.
    • 应用于锁相环(PLL)的环路带宽控制装置包括第一环路滤波器模块,第二环路滤波器模块,控制模块,第一交换模块和第二交换模块。 第一滤波器模块和第二环路滤波器模块分别输出第一电压和第二电压。 第二环路滤波器模块具有与第一环路滤波器模块不同的带宽。 根据第一电压和第二电压之一,控制模块产生带宽控制信号。 根据带宽控制信号,第一开关模块形成电荷泵与第一环路滤波器模块和第二环路滤波器模块之一的路径,第二开关模块在压控振荡器(VCO) 以及第一环路滤波器模块和第二环路滤波器模块之一。
    • 8. 发明授权
    • Apparatus for checking concentricity between lens barrel and barrel holder
    • 用于检查镜筒与镜筒之间的同心度的装置
    • US07742159B2
    • 2010-06-22
    • US11938482
    • 2007-11-12
    • Shih-Chieh Yen
    • Shih-Chieh Yen
    • G01B9/00
    • G01B11/27G02B13/001G02B27/62G03B43/00
    • An apparatus for checking concentricity between a barrel holder and a lens barrel rotatably engaging with the barrel holder is provided. The lens barrel includes at least one lens coaxially received therein. The apparatus includes a barrel holder retaining member, a rotating member, a driving unit, a light source, and an image sensor. The barrel holder retaining member is used for fixedly retaining the barrel holder in position. The rotating member is structured for meshing with the lens barrel. The driving unit is used for driving the rotating member to rotate, thereby rotates the lens barrel. The light source is configured for emitting light toward a first end of the lens barrel. The image sensor is arranged to face toward an opposite second end of the lens barrel. The image sensor is configured for sensing the light emitted from the light source.
    • 提供了一种用于检查筒保持器和与筒保持器可旋转接合的镜筒之间的同心度的装置。 镜筒包括同轴地容纳在其中的至少一个透镜。 该装置包括筒保持器保持构件,旋转构件,驱动单元,光源和图像传感器。 筒保持器保持构件用于将筒保持器固定地保持在适当位置。 旋转构件被构造成与镜筒相啮合。 驱动单元用于驱动旋转构件旋转,从而旋转镜筒。 光源被配置为朝向镜筒的第一端发射光。 图像传感器布置成面向镜筒的相对的第二端。 图像传感器被配置用于感测从光源发射的光。
    • 9. 发明授权
    • Washing mechanism for optical members
    • 光学元件的清洗机构
    • US07694690B2
    • 2010-04-13
    • US11450427
    • 2006-06-09
    • Shih-Chieh Yen
    • Shih-Chieh Yen
    • B08B3/04
    • B08B3/044
    • An exemplary washing mechanism (9) for optical members includes a positioning assembly (10), a carrying assembly (20), and an adjusting assembly (30). The carrying assembly is mounted on the positioning assembly and includes poles (22) and slidable members. The slidable members are configured for holding optical members. Each slidable member is slidably mounted on a corresponding pole. The adjusting assembly is mounted on the positioning assembly and the carrying assembly and configured for adjusting a position of the carrying assembly.
    • 用于光学构件的示例性洗涤机构(9)包括定位组件(10),承载组件(20)和调节组件(30)。 承载组件安装在定位组件上并且包括杆(22)和可滑动构件。 可滑动构件被构造成用于保持光学构件。 每个可滑动构件可滑动地安装在相应的杆上。 调节组件安装在定位组件和承载组件上并构造成用于调节承载组件的位置。
    • 10. 发明授权
    • Lens module and optical module incorporating the same
    • 镜头模块和包含其的光学模块
    • US07609466B2
    • 2009-10-27
    • US12168785
    • 2008-07-07
    • Shih-Chieh Yen
    • Shih-Chieh Yen
    • G02B7/02
    • G02B7/022G02B7/021
    • A lens module includes a first lens and a second lens. The first lens includes a first central round portion and a first peripheral portion. The first peripheral portion has a first radially extending portion surrounding the first central round portion, and a first axially extending portion extending from the first radially extending portion. The first radially extending portion has a plurality of through holes defined therein. The second lens includes a second central round portion and a second peripheral having a second radially extending portion surrounding the second central round portion, and a second axially extending portion extending from the second radially extending portion. The second axially extending portion fittingly engaged in the first axially extending portion. The second axially extending portion and the first lens cooperatively define an inner space. The through holes are in communication with the inner space.
    • 透镜模块包括第一透镜和第二透镜。 第一透镜包括第一中心圆形部分和第一周边部分。 第一周边部分具有围绕第一中心圆形部分的第一径向延伸部分和从第一径向延伸部分延伸的第一轴向延伸部分。 第一径向延伸部分具有限定在其中的多个通孔。 第二透镜包括第二中心圆形部分和具有围绕第二中心圆形部分的第二径向延伸部分的第二周边,以及从第二径向延伸部分延伸的第二轴向延伸部分。 第二轴向延伸部分适合地接合在第一轴向延伸部分中。 第二轴向延伸部分和第一透镜协同地限定内部空间。 通孔与内部空间连通。