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    • 2. 发明授权
    • Image sensing apparatus
    • 影像传感装置
    • US4689689A
    • 1987-08-25
    • US774792
    • 1985-09-11
    • Syuichiro SaitoNobuaki DateNobuo TezukaTadashi Okino
    • Syuichiro SaitoNobuaki DateNobuo TezukaTadashi Okino
    • H04N5/238G03B7/087H04N5/235
    • H04N3/1537H04N5/2351
    • In an image sensing apparatus having an image sensor which converts an optical image of an object into an electrical signal, a view finder for monitoring the optical image equivalent to the image incident on the image sensor, an optical member arranged in the path of light incident on the image sensor to selectively guide the light to the image sensor and also to the view finder, an exposure member which is at least partially disposed in between the object and the optical member and is arranged to control an exposure and a light receiving element which is arranged separately from the image sensor, a control circuit is arranged to cause the light receiving element to form a first photometric information when the optical member guides the optical image to the view finder; to control the exposure member on the basis of the first photometric information while the optical image is led to the image sensor by the optical member; to cause, after that, the image sensor to form a second photometric information; and again to control the exposure member on the basis of the second photometric information.
    • 在具有将物体的光学图像转换为电信号的图像传感器的图像传感装置中,用于监视与入射到图像传感器上的图像相当的光学图像的取景器,布置在光入射路径中的光学构件 在图像传感器上,以选择性地将光引导到图像传感器以及取景器,曝光构件至少部分地设置在物体和光学构件之间并被布置成控制曝光和光接收元件, 与图像传感器分开布置,控制电路被布置成当光学构件将光学图像引导到取景器时使光接收元件形成第一测光信息; 根据第一测光信息控制曝光构件,同时通过光学构件将光学图像引导到图像传感器; 在此之后,使图像传感器形成第二测光信息; 并再次基于第二测光信息控制曝光构件。
    • 5. 发明授权
    • Electronic photography system with still and motion picture modes
    • 具有静态和动态影像模式的电子摄影系统
    • US4918538A
    • 1990-04-17
    • US112957
    • 1987-10-23
    • Syuichiro SaitoTadashi Okino
    • Syuichiro SaitoTadashi Okino
    • F02B75/02G11B31/00H04N1/40H04N5/235
    • H04N5/235G11B31/006H04N1/40056F02B2075/025Y10S358/906
    • An electronic still/motion picture photography system including an optical-electronic transducer for producing electrical signals responsive to an optical image, a light information control member, such as a diaphragm, for controlling the state of light information incident on the transducer, a discriminating circuit for discriminating the state of light information as it is controlled by the light information control member, a drive source responsive to the output of the discriminating circuit for driving the light information control member, a recorder for recording the output of the transducer, an indicating switch for indicating the amount of output representing the exposed image to be recorded by the recorder, and a operating circuit responsive to the output of the indicating switch for changing the driving characteristics of the drive source.
    • 一种电子静态/电影摄影系统,包括用于产生响应于光学图像的电信号的光学电子换能器,用于控制入射到换能器上的光信息的状态的光信息控制部件,例如光阑,识别电路 用于鉴别由光信息控制部件控制的光信息的状态,响应于用于驱动光信息控制部件的识别电路的输出的驱动源,用于记录换能器的输出的记录器,指示开关 用于指示表示由记录器记录的曝光图像的输出量,以及响应于用于改变驱动源的驱动特性的指示开关的输出的操作电路。
    • 9. 发明授权
    • Image pickup device
    • 图像拾取装置
    • US5920349A
    • 1999-07-06
    • US384684
    • 1995-02-06
    • Tadashi OkinoTakashi Sasaki
    • Tadashi OkinoTakashi Sasaki
    • H04N5/232
    • H04N5/23212
    • An image pickup device is provided with a phototaking optical system for guiding light from an object to an image sensor which produces image information from the received light; a dividing unit for dividing the image information from the image sensor into plural blocks; an extraction unit for extracting from the plural blocks divided by the dividing unit, those with a relatively high content of high-frequency components; a detection unit for detecting focus information relating to the focus state of the phototaking optical system based on frequency information relating to the frequency components of the blocks extracted by the extraction unit; and a driving unit for driving the phototaking optical system according to the focus information.
    • 图像拾取装置设置有用于将来自物体的光引导到从接收的光产生图像信息的图像传感器的摄影光学系统; 分割单元,用于将来自图像传感器的图像信息分割成多个块; 提取单元,用于从由分割单元划分的多个块中提取具有相对高的高频分量含量的提取单元; 检测单元,用于基于与由提取单元提取的块的频率分量相关的频率信息来检测与拍摄光学系统的焦点状态相关的焦点信息; 以及用于根据焦点信息驱动拍摄光学系统的驱动单元。
    • 10. 发明授权
    • Photographing apparatus and lens position control device
    • 拍摄装置和镜头位置控制装置
    • US5867217A
    • 1999-02-02
    • US946124
    • 1997-10-07
    • Tadashi OkinoHarunobu Ichinose
    • Tadashi OkinoHarunobu Ichinose
    • G02B7/00G02B7/10H04N5/232G03B17/00H04N5/225H04N5/262
    • H04N5/23296G02B7/001G02B7/102H04N5/232H04N5/23293
    • A lens position control device for a rear-focus type zoom lens includes a rear-focus type zoom lens, an image pickup element for converting an optical image formed by the zoom lens into an electrical signal, a signal processing circuit for executing signal processing of the electrical signal so as to obtain an electronic zooming effect, a focus detection circuit for detecting a focus adjustment state of the zoom lens, a memory for storing information associated with movement of a focusing lens group according to lens positions of a variable magnification lens group and a focusing lens group of the zoom lens, and a control circuit for, when it is determined based on an output from the focus detection circuit that the zoom lens is in an in-focus state, moving the focusing lens group on the basis of the position of the variable magnification lens group and the information stored in the memory, and for, when it is determined that the zoom lens is in an out-of-focus state, performing a zooming operation on the basis of a signal processing result of the signal processing circuit, and moving the focusing lens group on the basis of information detected by the focus detection circuit.
    • 一种用于后焦点型变焦镜头的镜头位置控制装置,包括后焦点型变焦镜头,用于将由变焦镜头形成的光学图像转换为电信号的图像拾取元件,用于执行信号处理的信号处理电路 电信号以获得电子变焦效果,用于检测变焦镜头的焦点调节状态的焦点检测电路,用于存储与可变放大透镜组的透镜位置相关联的与聚焦透镜组的移动相关联的信息的存储器 以及变焦透镜的聚焦透镜组,以及控制电路,用于当基于焦点检测电路的输出确定变焦透镜处于对焦状态时,基于 可变放大透镜组的位置和存储在存储器中的信息,并且当确定变焦透镜处于离焦状态时,执行变焦 根据信号处理电路的信号处理结果,根据由聚焦检测电路检测到的信息来移动聚焦透镜组。