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公开(公告)号：US5724619A
公开(公告)日：1998-03-03
申请号：US743182
申请日：1996-11-05
摘要： An auto focus camera includes a focus detecting circuit, a lens driving circuit for driving a taking lens to an in-focus position based on a focus detection result, a starting signal outputting circuit for outputting a starting signal which starts a focusing operation, an operating member to be operated by a user after the starting signal is outputted, and a controlling circuit for controlling the lens driving circuit so as to drive the taking lens in manners different between before and after an operation of the operation member.
摘要翻译： 自动对焦照相机包括：聚焦检测电路，用于根据焦点检测结果将拍摄镜头驱动到对焦位置的镜头驱动电路，用于输出开始聚焦操作的起始信号的起动信号输出电路， 输出启动信号后由用户操作的构件，以及控制电路，用于控制透镜驱动电路，以便在操作构件的操作之前和之后以不同的方式驱动摄影镜头。
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公开(公告)号：US5613166A
公开(公告)日：1997-03-18
申请号：US481204
申请日：1995-06-07
摘要： An auto focus camera includes a focus detecting circuit, a lens driving circuit for driving a taking lens to an in-focus position based on a focus detection result, a starting signal outputting circuit for outputting a starting signal which starts a focusing operation, an operating member to be operated by a user after the starting signal is outputted, and a controlling circuit for controlling the lens driving circuit so as to drive the taking lens in manners different between before and after an operation of the operation member.
摘要翻译： 自动对焦照相机包括：聚焦检测电路，用于根据焦点检测结果将拍摄镜头驱动到对焦位置的镜头驱动电路，用于输出开始聚焦操作的起始信号的起动信号输出电路， 输出启动信号后由用户操作的构件，以及控制电路，用于控制透镜驱动电路，以便在操作构件的操作之前和之后以不同的方式驱动摄影镜头。
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公开(公告)号：US5315339A
公开(公告)日：1994-05-24
申请号：US885615
申请日：1992-05-19
摘要： An auto focus camera includes a focus detecting circuit, a lens driving circuit for driving a taking lens to an in-focus position based on a focus detection result, a starting signal outputting circuit for outputting a starting signal which starts a focusing operation, an operating member to be operated by a user after the starting signal is outputted, and a controlling circuit for controlling the lens driving circuit so as to drive the taking lens in manners different between before and after an operation of the operation member.
摘要翻译： 自动对焦照相机包括：聚焦检测电路，用于根据焦点检测结果将拍摄镜头驱动到对焦位置的镜头驱动电路，用于输出开始聚焦操作的起始信号的起动信号输出电路， 输出启动信号后由用户操作的构件，以及控制电路，用于控制透镜驱动电路，以便在操作构件的操作之前和之后以不同的方式驱动摄影镜头。
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公开(公告)号：US5196880A
公开(公告)日：1993-03-23
申请号：US593980
申请日：1990-10-09
申请人： Kenji Ishibashi , Minoru Kuwana , Yasuaki Serita , Tetsuya Arimoto , Hiroshi Ootsuka , Yoshihiro Hara , Hiroshi Ueda , Masayuki Ueyama
发明人： Kenji Ishibashi , Minoru Kuwana , Yasuaki Serita , Tetsuya Arimoto , Hiroshi Ootsuka , Yoshihiro Hara , Hiroshi Ueda , Masayuki Ueyama
IPC分类号： G02B7/10
CPC分类号： G02B7/102
摘要： A camera system which comprises a photo-taking lens assembly of varifocal type including a zooming lens and a focusing lens; a manipulatable member; a zooming drive device for driving the zooming lens during a manipulation of the manipulatable member; a focusing device for driving the focusing lens; a focal length detector for sequentially detecting a current focal length of the photo-taking lens assembly; a zooming amount calculator operable to repeatedly add or subtract a predetermined amount to or from the current focal length during the manipulation of the manipulatable member thereby to sequentially update a target focal length used as a reference for the drive of the zooming lens; a first control adapted to receive the target focal length updated by the zooming amount calculator for calculating the amount of deviation in focus which would occur before the target focal length is attained and also for controlling the focusing device so as to eliminate the amount of deviation in focus which has been calculated; and a second control for controlling the zooming drive device, when the manipulation of the manipulatable member is released, so as to drive the zooming lens to a position where the target focal length calculated by the zooming amount calculator is attained.
摘要翻译： 一种照相机系统，包括变焦镜头类型的摄影镜头组件，包括变焦镜头和聚焦透镜; 一个可操纵的成员; 用于在可操纵构件的操纵期间驱动变焦镜头的变焦驱动装置; 用于驱动聚焦透镜的聚焦装置; 用于顺序地检测所述摄影镜头组件的当前焦距的焦距检测器; 变焦量计算器，其可操作以在操纵可操纵构件期间反复地向或从当前焦距增加或减去预定量，从而顺序地更新用作变焦透镜驱动的基准的目标焦距; 适于接收由变焦量计算器更新的目标焦距的第一控制器，用于计算在达到目标焦距之前将发生的焦点偏离量，并且还用于控制聚焦装置，以消除偏转量 已计算的重点; 以及第二控制，用于当解除可操纵构件的操纵时，控制变焦驱动装置，以便将变焦透镜驱动到达到由变焦量计算器计算的目标焦距的位置。
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公开(公告)号：US5408291A
公开(公告)日：1995-04-18
申请号：US983324
申请日：1992-11-30
申请人： Tokuji Ishida , Masataka Hamada , Jun Hasegawa , Kenji Ishibashi , Toshio Norita , Hiroshi Ootsuka
发明人： Tokuji Ishida , Masataka Hamada , Jun Hasegawa , Kenji Ishibashi , Toshio Norita , Hiroshi Ootsuka
CPC分类号： G02B7/285
摘要： An AF camera system for automatically controlling an objective lens for focusing an object includes a focus detector for generating a defocus data DF carrying information of a defocus amount and a defocus direction based on a focus condition of an object to be focused through an objective lens detected in a detection cycle, an infocus detector for detecting an infocus condition based on the defocus data, a lens driver for driving the objective lens based on the defocus amount and defocus direction carried in the defocus data DF when the infocus detection means did not detect the infocus condition; and a control for controlling the focus adjustment based on defocus data and/or the detection of the infocus condition detected by the infocus detection means.
摘要翻译： 用于自动控制用于聚焦物体的物镜的AF相机系统包括焦点检测器，用于基于被检测物镜的待聚焦物体的聚焦条件来产生携带散焦量和散焦方向信息的散焦数据DF 在检测周期中，用于根据散焦数据检测聚焦条件的聚焦检测器，用于当聚焦检测装置未检测到散焦数据DF时基于散焦量和散焦方向驱动物镜的透镜驱动器 聚焦条件; 以及用于基于散焦数据控制焦点调整的控制和/或由焦点检测装置检测到的聚焦状态的检测。
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公开(公告)号：US5319412A
公开(公告)日：1994-06-07
申请号：US22780
申请日：1993-02-23
CPC分类号： G02B7/34
摘要： In an automatic focus control device of a camera there are provided defocus amount calculation means for calculating a defocus amount for a predetermined focus plane of a photographic lens in the camera on the basis of the electric signal generated by a light receiving means, comparing means for comparing the obtained value on the basis of the calculated defocus amount with a reference value, control means controlling driving speed of the photographic lens by the lens driving means in response to the comparison result of a comparing means, photographic condition setting means for setting the photographic condition and reference value setting means for setting said reference value in response to the set photographic condition.
摘要翻译： 在照相机的自动聚焦控制装置中，设置散焦量计算装置，用于根据由光接收装置产生的电信号计算照相机中的摄影镜头的预定聚焦平面的散焦量，比较装置， 根据计算出的散焦量与获得的参考值进行比较的控制装置，根据比较装置的比较结果，通过透镜驱动装置控制摄影透镜的驱动速度的控制装置，用于设置摄影的摄影条件设定装置 条件和参考值设置装置，用于响应于所设置的拍摄条件设置所述参考值。
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公开(公告)号：US5192966A
公开(公告)日：1993-03-09
申请号：US901797
申请日：1992-06-22
IPC分类号： G02B7/34
CPC分类号： G02B7/34
摘要： In an automatic focus control device of a camera there are provided defocus amount calculation means for calculating a defocus amount for a predetermined focus plane of a photographic lens in the camera on the basis of the electric signal generated by a light receiving means, comparing means for comparing the obtained value on the basis of the calculated defocus amount with a reference value, control means controlling driving speed of the photographic lens by the lens driving means in response to the comparison result of a comparing means, photographic condition setting means for setting the photographic condition and reference value setting means for setting said reference value in response to the set photographic condition.
摘要翻译： 在照相机的自动聚焦控制装置中，设置散焦量计算装置，用于根据由光接收装置产生的电信号计算照相机中的摄影镜头的预定聚焦平面的散焦量，比较装置， 根据计算出的散焦量与获得的参考值进行比较的控制装置，根据比较装置的比较结果，通过透镜驱动装置控制摄影透镜的驱动速度的控制装置，用于设置摄影的摄影条件设定装置 条件和参考值设置装置，用于响应于所设置的拍摄条件设置所述参考值。
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公开(公告)号：US5023646A
公开(公告)日：1991-06-11
申请号：US351176
申请日：1989-05-12
申请人： Tokuji Ishida , Masataka Hamada , Kenji Ishibashi , Nobuyuki Taniguchi , Hiroshi Ootsuka , Toshio Norita , Toshihiko Karasaki
发明人： Tokuji Ishida , Masataka Hamada , Kenji Ishibashi , Nobuyuki Taniguchi , Hiroshi Ootsuka , Toshio Norita , Toshihiko Karasaki
摘要： A camera with an automatic focusing device has an objective lens mounted on a camera. An image formed by the objective lens is divided into a plurality of zones. In each zone, a brightness distribution is obtained so as to detect a rough focusing condition in each zone, thereby producing a plurality of rough focusing condition data. Based on the result of the rough focusing condition data, one zone is selected. Furthermore, a precise focusing condition is detected in the selected zone based on the light contained in the selected zone, so as produce a precise focusing condition data. Based on the precise focusing condition data obtained from the selected zone, the objective lens is driven to an infocus condition.
摘要翻译： 具有自动对焦装置的相机具有安装在相机上的物镜。 由物镜形成的图像被分成多个区域。 在每个区域中，获得亮度分布，以便检测每个区域中的粗略聚焦状态，由此产生多个粗略聚焦条件数据。 根据粗略聚焦条件数据的结果，选择一个区域。 此外，基于所选择的区域中包含的光，在所选择的区域中检测精确的聚焦条件，以产生精确的聚焦条件数据。 基于从所选区域获得的精确聚焦条件数据，物镜被驱动到聚焦条件。
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公开(公告)号：US4998124A
公开(公告)日：1991-03-05
申请号：US276920
申请日：1988-11-28
申请人： Tokuji Ishida , Masataka Hamada , Jun Hasegawa , Kenji Ishibashi , Toshio Norita , Hiroshi Ootsuka
发明人： Tokuji Ishida , Masataka Hamada , Jun Hasegawa , Kenji Ishibashi , Toshio Norita , Hiroshi Ootsuka
IPC分类号： G02B7/28
CPC分类号： G02B7/285
摘要： An AF autofocus camera system for automatically controlling an objective lens for focusing an object including a focus detector for generating defocus data carrying information of a defocus amount and a defocus direction based on a focus condition of an object to be focused through an objective lens detected at a detection cycle, and a focus condition memory for storing defocus data obtained in a present detection cycle, a previous detection cycle, and a cycle before the previous detection cycle. The system further includes first and second infocus detectors for detecting the infocus condition based on the defocus data itself and the average of the defocus data, respectively. First and second lens drive controllers are provided for driving and stopping the objective lens responsive to the first and second infocus detectors, respectively. The system further includes a selector for selecting the second infocus detector and the second lens controller to be operative where none of the defocus data is within an acceptable range or tolerance range so as to be considered as an infocus condition and the defocus direction of the defocus data obtained in the present and previous detection cycles show opposite directions.
摘要翻译： 一种AF自动对焦照相机系统，用于自动控制用于聚焦物体的物镜，所述物镜包括焦点检测器，用于产生携带散焦量和散焦方向信息的散焦数据，所述散焦数据基于通过在 检测周期，以及聚焦条件存储器，用于存储在当前检测周期中获得的散焦数据，先前检测周期和在先前检测周期之前的周期。 该系统还包括分别基于散焦数据本身和散焦数据的平均值来检测聚焦条件的第一和第二焦点检测器。 第一和第二透镜驱动控制器分别用于响应于第一和第二焦点检测器来驱动和停止物镜。 该系统还包括选择器，用于选择第二焦点检测器和第二透镜控制器，以在散焦数据不在可接受的范围或公差范围内的情况下工作，以便被认为是聚焦条件和散焦的散焦方向 在当前和之前的检测周期中获得的数据显示相反的方向。
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公开(公告)号：US4816856A
公开(公告)日：1989-03-28
申请号：US32738
申请日：1987-03-30
CPC分类号： G02B7/34
摘要： In an automatic focus control device of a camera there are provided defocus amount calculation means for calculating a defocus amount for a predetermined focus plane of a photographic lens in the camera on the basis of the electric signal generated by a light receiving means, comparing means for comparing the obtained value on the basis of the calculated defocus amount with a reference value, control means controlling driving speed of the photographic lens by the lens driving means in response to the comparison result of a comparing means, photographic condition setting means for setting the photographic condition and reference value setting means for setting said reference value in response to the set photographic condition.
摘要翻译： 在照相机的自动聚焦控制装置中，设置散焦量计算装置，用于根据由光接收装置产生的电信号计算照相机中的摄影镜头的预定聚焦平面的散焦量，比较装置， 根据计算出的散焦量与获得的参考值进行比较的控制装置，根据比较装置的比较结果，通过透镜驱动装置控制摄影透镜的驱动速度的控制装置，用于设置摄影的摄影条件设定装置 条件和参考值设置装置，用于响应于所设置的拍摄条件设置所述参考值。
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