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    • 21. 发明授权
    • Method for detecting movement of image sensors
    • 检测图像传感器运动的方法
    • US07151561B2
    • 2006-12-19
    • US10102175
    • 2002-03-20
    • Chun-Huang LinJeng-Feng LanChien-Chang Huang
    • Chun-Huang LinJeng-Feng LanChien-Chang Huang
    • H04N5/228G09G5/08G06K9/56G06K9/64
    • H04N5/145
    • A method to detect the movement of an image sensor according to captured images. An image region is captured from a first image. Then, a first corresponding region matching the first region is captured from a second image. A second image region is captured from the second image. Then, a second corresponding region matching the second captured image region is captured from the first image. Finally, the movement of the image sensor is determined according to the first region and the first corresponding region when a first relative distance between the first region and the first corresponding region is the same as a second relative distance of the second captured image region and the second corresponding region, but in the opposite direction.
    • 根据拍摄图像检测图像传感器的移动的方法。 从第一图像捕获图像区域。 然后,从第二图像捕获与第一区域匹配的第一对应区域。 从第二图像捕获第二图像区域。 然后,从第一图像捕获与第二拍摄图像区域匹配的第二对应区域。 最后,当第一区域和第一对应区域之间的第一相对距离与第二捕获图像区域的第二相对距离相同时,根据第一区域和第一对应区域确定图像传感器的运动, 第二个相应的区域,但在相反的方向。
    • 22. 发明授权
    • Optical apparatus
    • 光学仪器
    • US07050043B2
    • 2006-05-23
    • US10628438
    • 2003-07-29
    • Chien-Chang HuangChun-Huang LinJeng-Feng Lan
    • Chien-Chang HuangChun-Huang LinJeng-Feng Lan
    • G09G5/08
    • G06F3/0317G06F3/03545
    • An optical apparatus. The optical apparatus is applied to an object surface, comprising a frame, a light emitting device and an optical sensor. The frame is disposed in the optical apparatus, having a first compartment and a second compartment, wherein the first compartment has a first opening and the second compartment has a second opening. The light emitting device is disposed in the first compartment, wherein light emitted from the light emitting device passes through the first opening and is reflected by the object surface outside the frame. The optical sensor is disposed in the second compartment to receive light reflected from the object surface passing through the second opening.
    • 光学装置。 光学装置被应用于物体表面,包括框架,发光装置和光学传感器。 框架设置在具有第一隔间和第二隔间的光学设备中,其中第一隔室具有第一开口,第二隔室具有第二开口。 发光装置设置在第一隔室中,其中从发光装置发射的光穿过第一开口并被框架外部的物体表面反射。 光学传感器设置在第二隔室中以接收从通过第二开口的物体表面反射的光。
    • 23. 发明申请
    • Optical mouse and image capture chip thereof
    • 光电鼠标及其图像捕获芯片
    • US20050157202A1
    • 2005-07-21
    • US10865568
    • 2004-06-10
    • Chun-Huang LinJeng-Feng Lan
    • Chun-Huang LinJeng-Feng Lan
    • G03B7/099H04N5/235
    • H04N5/2353
    • An optical mouse and image capture chip thereof. The image capture chip comprises an image sensor, a calculating logic circuit, and a refreshing logic circuit. The image sensor has a plurality of sensor units, capturing an image according to an exposure parameter to provide a plurality of exposure values. The calculating logic circuit provides an average exposure value by calculating the exposure values. If the exposure sample is within a first exposure range, the refreshing logic circuit maintains the exposure parameter and accordingly drives the image sensor to capture a next image. If the average exposure value is within a second exposure range, the refreshing logic circuit adjusts the exposure parameter with a first exposure extreme and accordingly drives the image sensor to capture a next image. If the average exposure value is within a third exposure range, the refreshing logic circuit adjusts the exposure parameter with a second exposure extreme and accordingly drives the image sensor to capture a next image.
    • 一种光学鼠标及其图像捕获芯片。 图像捕获芯片包括图像传感器,计算逻辑电路和刷新逻辑电路。 图像传感器具有多个传感器单元,根据曝光参数拍摄图像以提供多个曝光值。 计算逻辑电路通过计算曝光值来提供平均曝光值。 如果曝光样本处于第一曝光范围内,则刷新逻辑电路维持曝光参数,因此驱动图像传感器捕获下一图像。 如果平均曝光值在第二曝光范围内,则刷新逻辑电路利用第一曝光极值来调整曝光参数,并因此驱动图像传感器捕捉下一图像。 如果平均曝光值在第三曝光范围内,则刷新逻辑电路用第二曝光极值来调整曝光参数,并因此驱动图像传感器捕获下一图像。
    • 24. 发明申请
    • Optical navigation chip
    • 光导航芯片
    • US20050139944A1
    • 2005-06-30
    • US10858970
    • 2004-06-02
    • Chun-Huang LinJeng-Feng LanChien-Chang Huang
    • Chun-Huang LinJeng-Feng LanChien-Chang Huang
    • H01L31/0232
    • G06F3/0317G06F3/03543
    • An optical navigation chip. The optical navigation chip is appropriate for an optical pointing device and used for calculating a displacement of the optical navigation chip relative to an operating surface. The optical navigation chip comprises a photo sensor array driven by a photo sensor control circuit for detecting an image of the operating surface, a signal readout circuit coupled with the photo sensor array for reading out the image in analog format, an analog-to-digital conversion (ADC) circuit coupled with the signal readout circuit for converting the image from analog format to digital format, an image qualification circuit coupled with the ADC circuit for determining quality of the image and outputting a quality index accordingly, and a motion detection circuit for outputting the displacement according to the quality index.
    • 光导航芯片。 光学导航芯片适用于光学指向装置并用于计算光学导航芯片相对于操作表面的位移。 光学导航芯片包括由用于检测操作表面的图像的光传感器控制电路驱动的光传感器阵列,与用于以模拟格式读出图像的光传感器阵列耦合的信号读出电路,模数转换器 与用于将图像从模拟格式转换为数字格式的信号读出电路耦合的转换(ADC)电路,与ADC电路耦合的图像鉴定电路,用于确定图像的质量并相应地输出质量指标;以及运动检测电路, 根据质量指标输出位移。
    • 29. 发明授权
    • Photo driver circuit with power saving function and method thereof
    • 具有省电功能的照片驱动电路及其方法
    • US07573012B1
    • 2009-08-11
    • US12131408
    • 2008-06-02
    • Chien-Teng HuangJeng-Feng LanSheng-Yeh Lai
    • Chien-Teng HuangJeng-Feng LanSheng-Yeh Lai
    • G01J1/32
    • G01J1/32
    • The present invention discloses a photo driver circuit with power saving function and a corresponding method thereof. The photo driver circuit with power saving function comprises: a photo sensor device for sensing light and generating a corresponding photo current; a current amplifier amplifying the photo current; an output control circuit for generating a driver output signal according to the output of the current amplifier; and a power saving control circuit for activating a power saving mode in which the power saving control circuit outputs one or more control signals to shut down one or both of the current amplifier and the output control circuit.
    • 本发明公开了一种具有省电功能的光驱电路及其相应的方法。 具有省电功能的光电驱动电路包括:用于感测光并产生相应光电流的光传感器装置; 放大光电流的电流放大器; 输出控制电路,用于根据电流放大器的输出产生驱动器输出信号; 以及省电控制电路,用于启动省电模式,其中省电控制电路输出一个或多个控制信号以关闭电流放大器和输出控制电路中的一个或两个。