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    • 5. 发明授权
    • Haptic actuator using cellulose electro-active paper film
    • 触觉致动器采用纤维素电活性纸膜
    • US08680741B2
    • 2014-03-25
    • US13295520
    • 2011-11-14
    • Sang-Yeon KimJae hwan Kim
    • Sang-Yeon KimJae hwan Kim
    • H01L41/08
    • G06F3/016H01L41/094H01L41/193
    • A haptic actuator using a cellulose electro-active paper film is provided. The haptic actuator includes a cellulose electro-active paper film exhibiting a piezoelectric phenomenon and a metal electrode for applying electricity to the electro-active paper film, so that the haptic actuator can be provided in the form of a thin film, can manifest high transparency, and can produce displacement to the magnitude of sufficiently stimulating the sensor receptors of a user's skin in response to the applied electricity. Also, the haptic actuator is friendly to the environment and humans thanks to the use of cellulose which is an environmentally friendly material.
    • 提供了使用纤维素电活性纸膜的触觉致动器。 触觉致动器包括显示压电现象的纤维素电活性纸膜和用于向电活性纸膜施加电力的金属电极,使得触觉致动器可以以薄膜的形式提供,可以表现出高透明度 并且可以响应于所施加的电力而产生位移到充分刺激使用者皮肤的传感器受体的量级。 此外,由于使用作为环境友好材料的纤维素,触觉致动器对环境和人类是友好的。
    • 6. 发明授权
    • Apparatus and method for detecting and correcting defective pixels in image sensor
    • 用于检测和校正图像传感器中的有缺陷的像素的装置和方法
    • US06674404B1
    • 2004-01-06
    • US09474004
    • 1999-12-28
    • Suk-Joong LeeSang-Yeon Kim
    • Suk-Joong LeeSang-Yeon Kim
    • G06K940
    • H04N5/367
    • A method for detecting and correcting a defective pixel in an image sensor including an M(row line)×N(column line) unit pixels, M and N being positive integers, includes a first step of electrically scanning photoelectric charges generated from unit pixels of a first row line for a first integration time and storing a first data corresponding to the photoelectric charges, a second step of electrically scanning photoelectric charges generated from the unit pixels of the first row line for a second integration time and storing a second data corresponding to the photoelectric charges, a third step of comparing the first data and the second data one another, if the first data is different from the second data, an error signal is generated and then a corresponding address of the unit pixel is stored as a defective pixel address, a fourth step of repeating the first to the third step to an Mth line by increasing an address by one, and a fifth step of comparing an address of a unit pixel to be read with the defective pixel address, if the address of the unit pixel is equal to the defective pixel address, a correction operation is performed to generated a corrected data.
    • 一种用于检测和校正包括M(行线)x N(列线)单元像素M和N为正整数的图像传感器中的缺陷像素的方法,包括:电扫描从单元像素 第一行线,用于第一积分时间并存储对应于光电电荷的第一数据;第二步骤,从第一行线的单位像素产生的光电电荷电扫描第二积分时间,并存储对应于第 光电电荷,如果第一数据与第二数据不同,则将第一数据和第二数据进行比较的第三步骤,产生误差信号,然后存储单位像素的相应地址作为缺陷像素地址 ,通过将地址增加1来重复第一至第三步骤到第M行的第四步骤,以及将单位像素的地址与b进行比较的第五步骤 e读取缺陷像素地址,如果单位像素的地址等于缺陷像素地址,则执行校正操作以产生校正数据。