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    • 1. 发明授权
    • Focus detecting apparatus with improved precision in detecting phase
difference
    • 具有提高检测相位差精度的对焦检测装置
    • US5093562A
    • 1992-03-03
    • US666694
    • 1991-03-08
    • Noriyuki OkisuHiroshi UedaToshio NoritaTokuji IshidaNobuyuki Taniguchi
    • Noriyuki OkisuHiroshi UedaToshio NoritaTokuji IshidaNobuyuki Taniguchi
    • G03B13/36G02B7/34
    • G02B7/34
    • The focus detecting apparatus of the present invention is adapted to detect focusing state of a taking lens by detecting relative positional relation between first and second images formed by luminous bundles from an object which passed through first and second image re-forming lenses, including first series of photosensitive elements receiving the first image, second series of photosensitive elements receiving the second image, first calculating device related to a plurality of portions of the series of elements each having a prescribed number of elements on the first series of photosensitive elements, for calculating a representative value for each portion, a second calculating device related to a plurality of portions of the series of elements each having a prescribed number of elements on the second series of photosensitive elements, for calculating a representative value for each portion correlation calculating device for calculating correlation between representative values of the portions of the series of elements on the first series of photosensitive elements and the representative values of each of the plurality of groups provided by dividing the portions of the series of elements on the second series of photosensitive elements, specifying device for specifying a group having highest correlation out of the correlation; and detecting device for detecting relative positional relation between the portions of the series of elements on the first series of photosensitive elements and the specified groups.
    • 本发明的焦点检测装置适于通过检测通过第一和第二图像重新形成透镜的物体的由发光束形成的第一和第二图像之间的相对位置关系来检测拍摄镜头的聚焦状态,包括第一系列 接收第一图像的感光元件,接收第二图像的第二系列感光元件,与第一系列感光元件上具有规定数量的元件的一系列元件的多个部分相关的第一计算装置,用于计算 每个部分的代表值,与第二系列感光元件上具有规定数量的元素的一系列元素的多个部分相关的第二计算装置,用于计算每个部分相关计算装置的代表值,用于计算相关性 代表价值 所述第一系列感光元件上的所述一系列元件的部分和通过将所述第二系列感光元件上的所述一系列元件的所述部分分割而提供的所述多个组中的每一个的代表值,用于指定具有 相关性最高相关; 以及用于检测第一系列感光元件和指定组之间的一系列元件的部分之间的相对位置关系的检测装置。
    • 8. 发明授权
    • Camera operated in one of a plurality of photographing modes
    • 相机以多种拍摄模式之一进行操作
    • US5363169A
    • 1994-11-08
    • US992895
    • 1992-12-15
    • Tokuji IshidaMasataka HamadaHiroshi OotsukaHiroshi Ueda
    • Tokuji IshidaMasataka HamadaHiroshi OotsukaHiroshi Ueda
    • G02B7/34G03B17/20G03B7/08
    • G03B17/20G02B7/346
    • A camera is operable in one among a first photographing mode, a second photographing mode and a third photographing mode, and is further selectively operable in one of a plurality of photographing states when the camera operates in the first mode. The camera includes a first manual operation member, a first element responsive to an operation of the first manual operation member for cyclically selecting one of the first, second and third photographing modes in this order, a second manual operation member, and a second element responsive to an operation of the second manual operation member for selecting one of the plurality of photographing states in the first photographing mode. The camera further includes an element that is responsive to the operation of the first manual operation member for changing a photographing mode of the camera from the first photographing mode to the third photographing mode without passing through the second photographing mode when the camera operates in the selected state in the first mode.
    • 相机可操作在第一拍摄模式,第二拍摄模式和第三拍摄模式之一中,并且当相机以第一模式操作时,可以进一步选择性地操作多个拍摄状态之一。 照相机包括第一手动操作构件,响应于第一手动操作构件的操作的第一元件,用于按顺序循环选择第一,第二和第三拍摄模式中的一个,第二手动操作构件和第二元件响应 涉及第二手动操作构件的操作,用于在第一拍摄模式中选择多个拍摄状态之一。 照相机还包括响应于第一手动操作构件的操作的元件,用于当照相机在所选择的照相机中操作时,将相机的拍摄模式从第一拍摄模式改变为第三拍摄模式,而不经过第二拍摄模式 状态处于第一模式。