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    Automatic focus detecting apparatus
    2.
    发明授权
    Automatic focus detecting apparatus 失效
    自动对焦检测装置

    公开(公告)号：US4952965A

    公开(公告)日：1990-08-28

    申请号：US299646

    申请日：1989-01-23

    申请人： Tokuji Ishida ,  Masataka Hamada ,  Toshio Norita ,  Masayuki Ueyama ,  Katsumi Kozakai ,  Hiroshi Ootsuka ,  Hideo Kajita ,  Kenji Ishibashi

    发明人： Tokuji Ishida ,  Masataka Hamada ,  Toshio Norita ,  Masayuki Ueyama ,  Katsumi Kozakai ,  Hiroshi Ootsuka ,  Hideo Kajita ,  Kenji Ishibashi

    IPC分类号： G02B7/36

    CPC分类号： G02B7/36

    摘要： An improved focus detecting apparatus comprises a photographic lens, focus adjusting apparatus for driving the photographic lens which has been placed on an initial focusing position to an in-focus position, an auxiliary light emitting apparatus for emitting an auxiliary light and a switch for selecting whether the focus adjustment should be carried out with the auxiliary light emitted or the focus adjustment should be carried out without the auxiliary light. The initial focusing position of the photographic lens can be switched dependent on whether the auxiliary light is emitted or not.

    摘要翻译： 一种改进的焦点检测装置，包括摄影镜头，用于驱动已经放置在对焦位置的初始聚焦位置的摄影镜头的焦点调节装置，用于发射辅助光的辅助发光装置和用于选择是否 应用辅助光进行聚焦调整，或者在没有辅助光的情况下进行对焦调整。 照相镜头的初始对焦位置可以根据辅助光是否发射而切换。

    AF camera having a display for displaying a plurality of modes
    4.
    发明授权
    AF camera having a display for displaying a plurality of modes 失效
    具有用于显示多个模式的显示器的AF相机

    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

    IPC分类号： G02B7/28 ,  G03B13/36

    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。

    Automatic focus detection system
    5.
    发明授权
    Automatic focus detection system 失效
    自动对焦检测系统

    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

    IPC分类号： G02B7/34 ,  G02B7/36

    CPC分类号： G02B7/34 ,  G02B7/36

    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。

    Autofocus camera including automatically controlled focus adjustment
    6.
    发明授权
    Autofocus camera including automatically controlled focus adjustment 失效
    自动对焦相机包括自动对焦调节

    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。

    AF camera system
    7.
    发明授权
    AF camera system 失效
    AF相机系统

    公开(公告)号：US5223886A

    公开(公告)日：1993-06-29

    申请号：US756424

    申请日：1991-09-09

    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 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 mean 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没有检测到散焦数据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。

    AF camera system
    8.
    发明授权
    AF camera system 失效
    AF相机系统

    公开(公告)号：US5212513A

    公开(公告)日：1993-05-18

    申请号：US640268

    申请日：1991-01-10

    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 autofocus camera system for automatically controlling an objective lens for focusing an object includes a focus detector for detecting a focus condition of the photographing lens with respect to the object, an infocus condition detector for detecting an infocus condition of the photographing lens, a plurality of focus adjusting modes including a first mode for prohibiting lens movement after detecting an infocus condition and a second mode for adjusting the photographing lens after detecting an infocus condition, and a selector for automatically selecting one of the focusing adjustment modes.

    摘要翻译： 用于自动控制用于聚焦物体的物镜的自动对焦照相机系统包括：用于检测拍摄镜头相对于物体的聚焦状态的焦点检测器，用于检测拍摄镜头的聚焦状态的聚焦条件检测器，多个 在检测到聚焦条件之后包括用于禁止透镜移动的第一模式的焦点调节模式和在检测到聚焦条件之后调整拍摄镜头的第二模式以及用于自动选择聚焦调整模式之一的选择器。

    Automatic focus detection system
    9.
    发明授权
    Automatic focus detection system 失效
    自动对焦检测系统

    公开(公告)号：US4831403A

    公开(公告)日：1989-05-16

    申请号：US51138

    申请日：1987-05-15

    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

    IPC分类号： G02B7/34 ,  G02B7/36

    CPC分类号： G02B7/34 ,  G02B7/36

    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 object 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。

    Automatic focus detecting device
    10.
    发明授权
    Automatic focus detecting device 失效
    自动对焦检测装置

    公开(公告)号：US4905032A

    公开(公告)日：1990-02-27

    申请号：US267547

    申请日：1988-11-04

    申请人： Tokuji Ishida ,  Toshio Norita ,  Masataka Hamada ,  Hiroshi Ootsuka

    发明人： Tokuji Ishida ,  Toshio Norita ,  Masataka Hamada ,  Hiroshi Ootsuka

    IPC分类号： G02B7/09 ,  G02B7/28 ,  G02B7/34 ,  G03B13/36

    CPC分类号： G02B7/346

    摘要： An automatic focusing condition detecting device comprising an objective lens; a light receiving unit having a plurality of receiving portions, each receiving portion being adapted to receive through the objective lens light from one of a plurality of focusing areas, respectively; a focus detecting unit for detecting based on the output of each receiving portion a focusing condition of the objective lens in the respective focusing area; a unit for judging based on the output of each receiving portion whether or not it is possible for the focus detecting unit to detect a focusing condition of the objective lens in the respective focusing area; a unit for driving the objective lens; and a unit for controlling the driving unit to drive the objective lens when the judging unit judges that it is possible for the focus detecting unit to detect a focusing condition in at least one but not whole of the focusing areas, for the purpose of investigation whether or not there is another focusing area where the focus detecting unit can detect a focusing condition.

    摘要翻译： 一种自动对焦条件检测装置，包括物镜; 光接收单元，具有多个接收部分，每个接收部分分别适于通过物镜从多个聚焦区域中的一个接收光; 焦点检测单元，用于基于每个接收部分的输出来检测物镜在各个聚焦区域中的聚焦状态; 用于基于每个接收部分的输出来判断焦点检测单元是否可以检测各个聚焦区域中的物镜的聚焦状态的单元; 用于驱动物镜的单元; 以及用于当判断单元判断焦点检测单元可以检测至少一个但不是整个聚焦区域的聚焦条件时，用于控制驱动单元来驱动物镜的单元，以便调查是否 或者不存在焦点检测单元可以检测聚焦条件的另一聚焦区域。