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    • 45. 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。
    • 49. 发明授权
    • Motor drive lens shifting system for use in autofocus camera
    • 用于自动对焦摄像机的电机驱动镜头移位系统
    • US4473743A
    • 1984-09-25
    • US377789
    • 1982-05-13
    • Norio Ishikawa
    • Norio Ishikawa
    • G03B13/36G02B7/28G02B7/36H02P7/288G03B3/10
    • G02B7/36
    • A motor drive lens shifting system includes a picture taking lens, a drive device for driving the lens, a light receiving element for receiving light which has passed through the lens and forming an image thereon, a focus condition detector for detecting the focus condition of the image whether it is front-focus, in-focus or rear-focus, and a control device for controlling the drive device relatively to the detected focus condition such that the drive device first shifts the lens in a wide pitch to roughly adjust the lens position, and then, in a small pitch in steps to precisely adjust the lens position. The steps become gradually small in the manner of geometric progression.
    • 一种电动机驱动透镜移动系统,包括摄像镜头,用于驱动镜头的驱动装置,用于接收通过透镜并在其上形成图像的光的光接收元件,用于检测透镜的焦点状态的聚焦条件检测器 图像是否是前焦点,对焦或后焦点,以及用于相对于检测到的对焦条件控制驱动装置的控制装置,使得驱动装置首先以大的间距移动透镜以粗略地调整透镜位置 ,然后以小的间距逐步精确调整镜头位置。 几何进步的方式逐渐变小。