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    • 1. 发明授权
    • Automatic focusing device
    • 自动对焦装置
    • US4488798A
    • 1984-12-18
    • US503564
    • 1983-06-13
    • Takashi IidaMasayuki UeyamaToshihiko Ishimura
    • Takashi IidaMasayuki UeyamaToshihiko Ishimura
    • G03B13/36G02B7/28G03B7/08
    • G02B7/282
    • Disclosed herein is an automatic focusing device of a camera for use with an exchangeable zoom lens which includes an objective adjustable for both focusing and zooming and a signal generator for generating a focal length signal. The automatic focus control device comprises a focus detector for generating a focus detecting signal .DELTA.L representing the amount of and the direction of the deviation (defocusing) of an image relative to a predetermined film plane, a motor driven for focus adjustment of the objective, and an operation circuit for determining the amount of and the direction of the driving of the motor in accordance with the focus detection signal and the focal length signal.
    • 本文公开了一种用于与可更换变焦镜头一起使用的照相机的自动对焦装置,其包括可调节聚焦和变焦的物镜和用于产生焦距信号的信号发生器。 自动聚焦控制装置包括聚焦检测器,用于产生表示图像相对于预定胶片平面的偏差(散焦)的量和方向的聚焦检测信号DELTA L,用于物镜的焦点调节的电动机, 以及用于根据焦点检测信号和焦距信号确定电动机的驱动量和方向的操作电路。
    • 2. 发明授权
    • Camera system
    • 相机系统
    • US5003336A
    • 1991-03-26
    • US315845
    • 1989-02-27
    • Toshihiko KarasakiHiroshi OotsukaNorio IshikawaToshihiko IshimuraMasataka HamadaTokuji IshidaMasayuki Ueyama
    • Toshihiko KarasakiHiroshi OotsukaNorio IshikawaToshihiko IshimuraMasataka HamadaTokuji IshidaMasayuki Ueyama
    • G02B7/34G03B17/14
    • G03B17/14G02B7/346
    • According to this invention, a camera system has a camera body and a first and second lenses exchangeable to the camera body. The first lens comprises a device for outputting first data which indicates the first lens belongs to a first lens type. The second lens comprises a device for outputting second data which indicates the second lens belongs to a second lens type and third data with respect to the characteristic of the second lens. The camera body comprises: a device for inputting the data from the outputting device of the first or second lens attached to the camera body, a device for discriminating the lens type based on whether the inputted data is the first or second data, a device for storing data with respect to the characteristic of the lens belonging to the first lens type, and a processing device for carrying out a process based on the third data when the discriminating device judges the attached lens belongs to the second lens type and controlling it based on the stored data in the storing device when the discriminating device judges the attached lens belongs to the first lens type. The discriminating means judges the attached lens belongs to the first lens type.
    • 根据本发明,照相机系统具有照相机主体和可与照相机主体交换的第一和第二透镜。 第一透镜包括用于输出指示第一透镜属于第一透镜类型的第一数据的装置。 第二透镜包括用于输出指示第二透镜属于第二透镜类型的第二数据和关于第二透镜的特性的第三数据的装置。 相机主体包括:用于输入来自附接到相机主体的第一或第二透镜的输出装置的数据的装置,用于基于输入的数据是第一还是第二数据来鉴别透镜类型的装置,用于 存储关于属于第一透镜类型的透镜的特性的数据;以及处理装置,用于当鉴别装置判断所附的透镜属于第二透镜类型时,基于第三数据执行处理,并基于 当识别装置判断所附加的透镜属于第一透镜类型时,存储装置中的存储数据。 鉴别装置判断所附的透镜属于第一透镜类型。
    • 5. 发明授权
    • Camera system
    • 相机系统
    • US5214464A
    • 1993-05-25
    • US636608
    • 1990-12-31
    • Toshihiko KarasakiHiroshi OotsukaNorio IshikawaToshihiko IshimuraMasataka HamadaTokuji IshidaMasayuki Ueyama
    • Toshihiko KarasakiHiroshi OotsukaNorio IshikawaToshihiko IshimuraMasataka HamadaTokuji IshidaMasayuki Ueyama
    • G02B7/34G03B17/14
    • G02B7/346G03B17/14
    • According to this invention, a camera system has a camera body and a first and second lenses exchangeable to the camera body. The first lens comprises a device for outputting first data which indicates the first lens belongs to a first lens type. The second lens comprises a device for outputting second data which indicates the second lens belongs to a second lens type and third data with respect to the characteristic of the second lens. The camera body comprises: a device for inputting the data from the outputting device of the first or second lens attached to the camera body, a device for discriminating the lens type based on whether the inputted data is the first or second data, a device for storing data with respect to the characteristic of the lens belonging to the first lens type, and a processing device for carrying out a process based on the third data when the discriminating device judges the attached lens belongs to the second lens type and controlling it based on the stored data in the storing device when the discriminating device judges the attached lens belongs to the first lens type. The discriminating means judges the attached lens belongs to the first lens type.
    • 根据本发明,照相机系统具有照相机主体和可与照相机主体交换的第一和第二透镜。 第一透镜包括用于输出指示第一透镜属于第一透镜类型的第一数据的装置。 第二透镜包括用于输出指示第二透镜属于第二透镜类型的第二数据和关于第二透镜的特性的第三数据的装置。 相机主体包括:用于输入来自附接到相机主体的第一或第二透镜的输出装置的数据的装置,用于基于所输入的数据是第一还是第二数据来鉴别透镜类型的装置,用于 存储关于属于第一透镜类型的透镜的特性的数据;以及处理装置,用于当鉴别装置判断所附的透镜属于第二透镜类型时,基于第三数据执行处理,并基于 当识别装置判断所附加的透镜属于第一透镜类型时,存储装置中的存储数据。 鉴别装置判断所附的透镜属于第一透镜类型。
    • 7. 发明授权
    • Camera system
    • 相机系统
    • US5319413A
    • 1994-06-07
    • US963400
    • 1992-11-25
    • Takehiro KatohYoshihiko AzumaMasayasu HiranoNaohiro KageyamaToshihiko IshimuraKenji TsujiHiroshi Ootsuka
    • Takehiro KatohYoshihiko AzumaMasayasu HiranoNaohiro KageyamaToshihiko IshimuraKenji TsujiHiroshi Ootsuka
    • G02B7/28G03B7/08G03B7/091G03B17/42G03B13/36
    • G03B17/425G02B7/28G03B7/0807G03B7/097
    • A camera system comprises a brightness measuring circuit, a exposure line choosing circuit, an operable switch, a film driver and a film driving mode selector.The brightness measuring circuit measures brightness of a photographic scene to send a brightness value. The exposure line choosing circuit chooses one of a plurality of exposure lines in which each lines selects a combination of an aperture value and a shutter speed value at each brightness value. The film driver drives a film in either of a first mode in which the film is wound only one frame in response to the operation of the operable switch and a second mode in which the film is wound frame by frame continuously as long as the operable member is operated. The film driving mode selector selects one of the modes in accordance with the exposure line chosen by the choosing circuit.In the camera system, a photographer may only select the exposure mode in accordance with his intention and purpose in photography, and then the film driving mode corresponding to the intention and purpose is automatically selected.
    • 相机系统包括亮度测量电路,曝光线选择电路,可操作开关,胶片驱动器和胶片驱动模式选择器。 亮度测量电路测量摄影场景的亮度以发送亮度值。 曝光线选择电路选择多个曝光线中的一条,其中每条线选择每个亮度值的光圈值和快门速度值的组合。 电影驱动器以第一模式驱动电影,其中仅在可操作开关的操作下仅卷绕一帧的电影,以及第二模式,其中,只要可操作构件,薄膜就被连续卷绕 被操作 电影驱动模式选择器根据由选择电路选择的曝光线选择一种模式。 在照相机系统中,拍摄者只能根据摄影的目的和目的选择曝光模式,然后自动选择对应于意图和目的的电影驾驶模式。