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    • 2. 发明授权
    • Focus detecting device including means for determining a priority of
correlation calculations
    • 焦点检测装置包括用于确定相关计算的优先级的装置
    • US4766302A
    • 1988-08-23
    • US735569
    • 1985-05-17
    • Tokuji IshidaKatsumi KozakaiMasataka Hamada
    • Tokuji IshidaKatsumi KozakaiMasataka Hamada
    • G02B7/34G02B7/11
    • G02B7/34
    • In a focus detection system for detecting focus condition of an objective lens, there is disposed a pair of photo sensor arrays each having a plurality of photo cells lined up in one direction to receive a first image and second image passed through respectively a lens system and the photo sensor arrays produce first original signal groups and second original signal groups each signal groups corresponding to light intensity of the images projected thereto. A processing device processes the original signal groups in such a manner that the first original signal groups are respectively divided into a plurality of blocks, and one of the blocks of the first original signal groups is selected and it is detected that in what group in the selected block best coincidence occurs.
    • 在用于检测物镜的聚焦条件的焦点检测系统中,设置一对光传感器阵列,每个光传感器阵列具有沿一个方向排列的多个光电池,以接收通过分别透镜系统的第一图像和第二图像, 光传感器阵列产生第一原始信号组和第二原始信号组,每个信号组对应于投射到其上的图像的光强度。 处理装置以这样的方式处理原始信号组,使得第一原始信号组分别被分成多个块,并且选择第一原始信号组的块中的一个,并且检测到在 选择块最佳重合。
    • 7. 发明授权
    • Focus detecting device
    • 对焦检测装置
    • US5159383A
    • 1992-10-27
    • US757948
    • 1991-09-12
    • Tokuji IshidaKatsumi KozakaiMasataka Hamada
    • Tokuji IshidaKatsumi KozakaiMasataka Hamada
    • G02B7/34
    • G02B7/34
    • In a focus detection system for detecting focus condition of an objective lens, there is disposed a pair of photo sensor arrays each having a plurality of photo cells lined up in one direction to receive a first image and second image passed through respectively a lens system and the photo sensor arrays produce first original signal groups and second original signal groups each signal groups corresponding to light intensity of the images projected thereto. A processing device processes the original signal groups in such a manner that the first original signal groups are respectively divided into a plurality of blocks, and one of the blocks of the first original signal groups is selected and it is detected that in what group in the selected block best coincidence occurs.
    • 在用于检测物镜的聚焦条件的焦点检测系统中,设置一对光传感器阵列,每个光传感器阵列具有沿一个方向排列的多个光电池,以接收通过分别透镜系统的第一图像和第二图像, 光传感器阵列产生第一原始信号组和第二原始信号组,每个信号组对应于投射到其上的图像的光强度。 处理装置以这样的方式处理原始信号组,使得第一原始信号组分别被分成多个块,并且选择第一原始信号组的块中的一个,并且检测到在 选择块最佳重合。