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    • 2. 发明授权
    • Control system
    • 控制系统
    • US5376991A
    • 1994-12-27
    • US195602
    • 1994-02-14
    • Kitahiro KanedaHideyuki AraiHirofumi SudaSeiya Ota
    • Kitahiro KanedaHideyuki AraiHirofumi SudaSeiya Ota
    • H04N5/232G05B13/02G03B13/00
    • G05B13/0275H04N5/23212
    • A control system computes a plurality of detection data and outputs a control amount for a control target. The control system includes a detecting circuit for detecting the plurality of detection data, a first computing circuit for quantitatively computing a degree at which the plurality of detection data output from said detecting circuit conform with a preset condition in accordance with a predetermined function and generating an output function for controlling the control target, a second computing circuit for computing a centroid of an external figure which is obtained by processing an external figure of the output function, output from the first computing circuit, in accordance with predetermined approximation, and a driving section for driving the control target based on an output from the second computing circuit.
    • 控制系统计算多个检测数据并输出控制目标的控制量。 控制系统包括用于检测多个检测数据的检测电路,第一计算电路,用于根据预定功能定量计算从所述检测电路输出的多个检测数据符合预设条件的程度,并产生 输出功能,用于计算通过处理根据预定近似从第一计算电路输出的输出功能的外部图形获得的外部图形的质心的第二计算电路和驱动部分 用于基于来自第二计算电路的输出来驱动控制目标。
    • 4. 发明授权
    • Image sensing apparatus
    • 影像传感装置
    • US5343246A
    • 1994-08-30
    • US23487
    • 1993-02-25
    • Hideyuki AraiHirofumi SudaKitahiro Kaneda
    • Hideyuki AraiHirofumi SudaKitahiro Kaneda
    • H04N5/235H04N5/232H04N5/238
    • H04N5/2352
    • An image sensing apparatus comprises a light measuring circuit for performing a weighted light measurement on the basis of a light measuring area set in a predetermined position within an image sensing plane, a detecting circuit for detecting the levels of the luminance signals obtained from a plurality of detecting areas set within the image sensing plane, a discriminating circuit for discriminating the state of an object being photographed on the basis of the output of the detecting circuit, a compensation circuit for compensating a light measurement signal produced by the light measuring circuit in a backlighting photographic state, and a compression circuit for controlling a compression point and/or a compression rate of a high-luminance signal in accordance with the amount of compression performed by the compression circuit.
    • 一种图像感测装置,包括:光测量电路,用于根据设置在图像感测平面内的预定位置的光测量区域进行加权光测量;检测电路,用于检测从多个 检测在图像感测平面内设置的区域,鉴别电路,用于基于检测电路的输出来鉴别被拍摄物体的状态;补偿电路,用于补偿由光测量电路在背光中产生的光测量信号 以及压缩电路,用于根据由压缩电路执行的压缩量来控制高亮度信号的压缩点和/或压缩率。
    • 5. 发明授权
    • Automatic focusing device using a plurality of different frequency
components extracted at the same point
    • 使用在同一点提取的多个不同频率分量的自动聚焦装置
    • US5739858A
    • 1998-04-14
    • US309555
    • 1994-09-20
    • Hirofumi SudaHideyuki Arai
    • Hirofumi SudaHideyuki Arai
    • G02B7/36H04N5/232G03B13/00
    • H04N5/23212G02B7/365
    • Disclosed herein is an automatic focusing device including a plurality of extraction means for extracting different frequency components from among image pickup signals outputted by image pickup means, driving direction decision means for deciding the driving direction of a focusing lens based on the signal extracted by the extraction means, detection means for detecting a focusing signal in correspondence with the degree of focusing by dividing a signal at the same point which is extracted by the extraction means, driving speed decision means for deciding the driving speed of the focusing lens based on the detection means, and driving means for driving the focusing lens of optical system to the focusing point based on the driving direction decision means and the driving speed decision means.
    • 本发明公开了一种自动聚焦装置,包括:多个提取装置,用于从摄像装置输出的图像拾取信号中提取不同的频率分量;驱动方向判定装置,用于基于通过提取提取的信号来确定聚焦透镜的驱动方向; 检测装置,用于通过对由提取装置提取的同一点分割信号来检测与聚焦度相对应的聚焦信号;驱动速度决定装置,用于基于检测装置确定聚焦透镜的驱动速度; 以及用于基于行驶方向判定装置和驱动速度决定装置将光学系统的聚焦透镜驱动到聚焦点的驱动装置。
    • 9. 发明授权
    • Automatic focusing device
    • 自动对焦装置
    • US6088060A
    • 2000-07-11
    • US823607
    • 1997-03-25
    • Hirofumi SudaMasamichi ToyamaAkihiro FujiwaraKunihiko Yamada
    • Hirofumi SudaMasamichi ToyamaAkihiro FujiwaraKunihiko Yamada
    • G02B7/36H04N5/232G03B13/00
    • G02B7/365G02B7/36H04N5/23212
    • An automatic focusing device for automatically controlling the focused state of an optical system on the basis of a video signal obtained within a focus detecting area which is set on an image sensing plane comprises: a tracing area setting circuit arranged to movably set, within said image sensing plane, an inner tracing area and an outer tracing area which surrounds the inner tracing area; a computing circuit arranged to compute information on a difference in a given frequency component of the video signal obtained from the inner and outer tracing areas in each of their different positions to which they are moved within the image sensing plane; determining means for determining the position or size of an object's image formed within the image sensing plane from the difference information computed by the computing circuit; and a circuit which is arranged to shift the focus detecting area to the position of the object's image determined by the determining circuit and to change the size of the focus detecting area according to the size of the object's image.
    • 一种用于根据在图像感测平面上设置的焦点检测区域内获得的视频信号来自动控制光学系统的聚焦状态的自动对焦装置包括:跟踪区域设置电路,被布置成可移动地设置在所述图像内 感测平面,内部跟踪区域和围绕内部跟踪区域的外部跟踪区域; 计算电路,被配置为计算从在图像感测平面内移动的它们的不同位置的每个内部和外部跟踪区域获得的视频信号的给定频率分量中的差异的信息; 确定装置,用于根据由计算电路计算的差异信息确定在图像感测平面内形成的对象的图像的位置或大小; 以及电路,其被配置为将焦点检测区域移动到由确定电路确定的对象图像的位置,并且根据对象的图像的大小来改变焦点检测区域的大小。
    • 10. 发明授权
    • Focus detecting system
    • 聚焦检测系统
    • US5446494A
    • 1995-08-29
    • US284757
    • 1994-08-02
    • Kouichi UedaMasamichi ToyamaHirofumi SudaNaoya KanedaYouichi Iwasaki
    • Kouichi UedaMasamichi ToyamaHirofumi SudaNaoya KanedaYouichi Iwasaki
    • G02B7/28H04N5/232G03B13/36
    • H04N5/23212G02B7/28
    • A focus detecting system for effecting automatic focusing by detecting the in-focus position of a focusing lens and driving the focusing lens to this position. This system has a signal processing means supplied with a video signal from image pick-up means to output a signal related to the in-focus state, a detection means for detecting the position of a focusing lens for forming an image in the image pick-up means, when the signal output from the signal processing means is processed, and a calculating means for calculating the presupposed in-focus position of the focusing lens from at least two groups of items of data on the signal outputted from the signal processing means and on the position of the focusing lens supplied from the detection means. Each time the deviation of the present position of the focusing lens from the presupposed in-focus position is calculated, the focusing lens is driven to move to an extent smaller than the deviation, thus being focused.
    • 一种焦点检测系统,用于通过检测聚焦透镜的对焦位置并将聚焦透镜驱动到该位置来实现自动聚焦。 该系统具有提供有来自图像拾取装置的视频信号以输出与对焦状态有关的信号的信号处理装置,用于检测用于在图像拾取装置中形成图像的聚焦透镜的位置的检测装置, 当从信号处理装置输出的信号被处理时,上升装置和用于从信号处理装置输出的信号上的至少两组数据中计算聚焦透镜的预先设定的对焦位置的计算装置和 在从检测装置提供的聚焦透镜的位置上。 每次计算聚焦透镜的当前位置与预先设定的对焦位置的偏差时,驱动聚焦透镜移动到比偏差小的程度,从而聚焦。