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    • 42. 发明授权
    • Moving driving device of camera
    • 移动相机的驱动装置
    • US4849779A
    • 1989-07-18
    • US169449
    • 1988-03-17
    • Kouji YamamotoShinji TominagaAkira YamanakaHiroshi UedaNobuyuki TaniguchiIkushi NakamuraMichihiro Iwata
    • Kouji YamamotoShinji TominagaAkira YamanakaHiroshi UedaNobuyuki TaniguchiIkushi NakamuraMichihiro Iwata
    • G03B7/091G03B7/16G03B15/05G03B17/42G03B1/00
    • G03B17/425G03B15/05G03B7/091G03B7/16G03B2215/0503
    • The motor drive device according to the present invention drives a motor until a hold signal disappears and the motor is braked when the holding signal disappears. After a predetermined period from the time when the holding signal disappears, it is detected whether or not a completion position signal representing that the load has reached the normal complete position is output. If the completion position signal is not output, the motor is started again. The load is driven until the load reaches the position where the completion position signal is output, and then the motor is braked. Thus the load can be stopped at the correct position. Also, with the motor drive device according to the present invention, the motor may be braked after the load is driven by a predetermined amount. After a predetermined period has passed therefrom, it is detected whether or not a signal representing that the load is normally driven is output, and if the signal is not ouput, the motor is started again. The load is driven until the signal is output and then the motor is braked. Thus, the load can be correctly driven.
    • 根据本发明的电机驱动装置驱动马达直到保持信号消失,并且当保持信号消失时马达被制动。 在保持信号消失之后的预定时间段之后,检测出表示负载已达到正常完成位置的完成位置信号是否被输出。 如果未输出完成位置信号,则电机再次启动。 负载被驱动直到负载到达完成位置信号输出的位置,然后电动机被制动。 因此,负载可以停在正确的位置。 此外,根据本发明的电动机驱动装置,在负载被驱动预定量之后,电动机可以被制动。 在经过预定时间之后,检测是否输出表示负载正常驱动的信号,如果信号不输出,则电动机再起动。 负载被驱动直到信号输出,然后马达被制动。 因此,可以正确地驱动负载。
    • 44. 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。