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    • 46. 发明申请
    • Automatic focusing device and method of controlling the same
    • 自动对焦装置及其控制方法
    • US20060029380A1
    • 2006-02-09
    • US11199997
    • 2005-08-10
    • Hideo Taka
    • Hideo Taka
    • G03B13/00
    • G02B7/36G03B13/00
    • An automatic focusing device for camera is provided which makes it possible to sequentially photograph a large number of frames while ensuring a high focusing accuracy. A first focusing unit carries out a first focusing operation. After the first focusing unit carries out the first focusing operation, a second focusing unit carries out a second focusing operation. A storage device stores a difference in results obtained by the first and second focusing operations. In sequential shooting, a controller causes the first focusing unit to correct the result of the first focusing operation according to the stored difference, and inhibits the second focusing unit from carrying out the second focusing operation.
    • 提供一种用于照相机的自动对焦装置,其可以在确保高聚焦精度的同时顺序拍摄大量的帧。 第一聚焦单元执行第一聚焦操作。 在第一聚焦单元执行第一聚焦操作之后,第二聚焦单元执行第二聚焦操作。 存储装置存储通过第一和第二聚焦操作获得的结果的差异。 在顺序拍摄中,控制器使得第一聚焦单元根据存储的差异校正第一聚焦操作的结果,并且禁止第二聚焦单元执行第二聚焦操作。
    • 48. 发明授权
    • Ranging device
    • 测距装置
    • US06700651B2
    • 2004-03-02
    • US10119678
    • 2002-04-11
    • Hideo Taka
    • Hideo Taka
    • G01C300
    • G02B7/34G01C3/08G01C3/18
    • A distance/defocus device has a plurality of areas in an observing frame, and time sequentially determines the distance to an object or an amount of defocus for each area by performing a correlation calculation while shifting images of the object with respect to each other. The calculation time can be reduced by determining a shift range of the correlation calculation for subsequent areas on the basis of the result of the correlation calculation for a previous, predetermined area.
    • 距离/散焦装置在观察帧中具有多个区域,并且通过在相对于彼此移动对象的图像的同时执行相关计算来时间顺序地确定与对象的距离或散焦量。 可以通过基于先前的预定区域的相关计算的结果确定后续区域的相关计算的移位范围来减少计算时间。