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    • 2. 发明授权
    • Method for detecting visibility of image of an object and a device
therefor
    • 用于检测物体及其装置的图像的可视性的方法
    • US4031383A
    • 1977-06-21
    • US515015
    • 1974-10-15
    • Kazuya HosoeHiroshi AizawaSeiichi MatsumotoHideo Yokota
    • Kazuya HosoeHiroshi AizawaSeiichi MatsumotoHideo Yokota
    • G02B7/36G01J1/20G03B7/08
    • G02B7/36
    • The present invention relates to a method and a device for detecting visibility of the image of an object for adjusting the focus of an optical system. The invention is especially suitable to an optical instrument such as camera, using photo-electric conversion elements having non-linear resistance -- intensity of illumination characteristics such as cadmium sulfide CdS or cadmium selenide CdSe, etc. The invention is characterized in that the photo-electric effect of the above mentioned photo-electric conversion elements will have mutually reverse characteristics depending on the properties inherent to the photo-electric conversion elements, to the arrangement of the electrode and the electric circuit, and further on the state of the image of an object formed on said photo-electric conversion elements. An electric circuit to enhance object image visibility is disclosed which makes use of these characteristics.
    • 本发明涉及一种用于检测用于调整光学系统的焦点的物体的图像的可视性的方法和装置。 本发明特别适用于诸如照相机的光学仪器,其使用具有非线性电阻 - 照射特性强度的光电转换元件,例如硫化镉CdS或硒化镉CdSe等。本发明的特征在于, 上述光电转换元件的电效应将取决于光电转换元件固有的特性,电极和电路的布置以及进一步在图像的状态 物体形成在所述光电转换元件上。 公开了一种利用这些特征的用于增强对象图像可视性的电路。
    • 4. 发明授权
    • Automatic focus adjustment of a camera
    • 相机的自动对焦调整
    • US3953729A
    • 1976-04-27
    • US516572
    • 1974-10-21
    • Kazuya HosoeHiroshi AizawaSeiichi MatsumotoHideo Yokota
    • Kazuya HosoeHiroshi AizawaSeiichi MatsumotoHideo Yokota
    • G03B13/36G02B7/34G02B7/36G03B3/10
    • G02B7/34
    • This invention relates to a system for automatic focus adjustment of an optical system particularly adapted for use in a photographic camera which utilizes non-linear resistance versus illumination response characteristics which are prominent in photoconductive cells such as cadmium sulfide and cadmium selenide cells. In one embodiment, a pair of photoconductive cells, one of which has a photoconductive surface having elongated side portions which contact the electrodes along the length of the elongated side portions and another cell which has an elongated photoconductive surface and shortened end portions and which contact the electrodes only at the shortened end portions, are arranged so that portions of an image-forming light beam entering through an objective of the camera are directed to the photoconductive surfaces on which similar real images of an object are formed. The objective includes at least one lens member movable for focusing associated with an automatic focus control mechanism operative in response to variation of an electrical output signal of the photoconductive cell assembly produced when the degree of sharpness of the image on each of the photoconductive surfaces is varied as the focussing member is moved for focussing purposes with respect to the photoconductive cell assembly.
    • 本发明涉及一种特别适用于照相机的光学系统的自动聚焦调整系统,其利用在诸如硫化镉和硒化镉细胞的光导电池中突出的非线性电阻对照明响应特性。 在一个实施例中,一对感光电池,其中一个光电导表面具有细长的侧面部分,沿着细长侧部分的长度接触电极,另一个电池具有细长的光电导表面和缩短的端部, 仅在缩短端部的电极被布置成使得通过相机的物镜进入的图像形成光束的部分被引导到其上形成有相似的真实图像的光导表面。 该目的包括至少一个透镜构件,其可移动用于聚焦,该自动聚焦控制机构响应于当每个光电导表面上的图像的清晰度变化而产生的光导电池组件的电输出信号的变化而可操作 因为聚焦构件相对于光导电池组件移动以用于聚焦目的。
    • 6. 发明授权
    • Focus defecting system
    • 焦点缺陷系统
    • US3937950A
    • 1976-02-10
    • US459219
    • 1974-04-08
    • Kazuya HosoeSeiichi MatsumotoHideo YokotaHiroshi Aizawa
    • Kazuya HosoeSeiichi MatsumotoHideo YokotaHiroshi Aizawa
    • G03B13/36G02B7/36G01J1/20
    • G02B7/36
    • A system for detecting the distinction of the object image characterized in that respectively on a photoelectric transducing element presenting electrodes on both extremities along the longer sides of a photoelectric semiconductor presenting considerably short sides as compared with the long sides and on a photoelectric transducing element presenting electrodes on both extremities along the shorter sides of a photoelectric semiconductor presenting considerably short sides as compared with the long sides an object image is formed by means of an optics and that the distinction of the above mentioned object image is detected by detecting the electric characteristics variable corresponding to the distinction of the above mentioned object image, of each of the above mentioned photoelectric transducing elements.
    • 一种用于检测对象图像的区别的系统,其特征在于,分别在光电转换元件上呈现与长边相比呈现相当短边的光电半导体的两侧的两端的电极和呈现电极的光电换能元件 在与长边相比,通过光学元件形成物体图像的情况下,沿着具有相当短边的光电半导体的短边的两个末端上的物体图像,并且通过检测上述目标图像的电特性变量来检测上述目标图像的区别 对上述光电转换元件的上述目标图像的区别。
    • 9. 发明授权
    • Integral image recording and image playback system
    • 整体图像记录和图像播放系统
    • US5923367A
    • 1999-07-13
    • US265706
    • 1994-06-24
    • Tokuichi TsunekawaNobuaki DateHiroshi AizawaKazuya HosoeKazunori Urushibara
    • Tokuichi TsunekawaNobuaki DateHiroshi AizawaKazuya HosoeKazunori Urushibara
    • H04N5/225H04N5/235H04N5/781H04N5/66
    • H04N1/0044H04N5/225H04N5/2256H04N5/2352H04N5/781
    • An image pickup device which includes a device for picking up an image of an object and photoelectrically converting the image into an image signal, a photograph indicating device, for indicating a photographing of the object, an exposure amount setting device, for setting an amount of exposure for effecting photoelectric conversion by the image pickup device and an exposure amount control device, for controlling the exposure amount setting device. The device also includes a recording device, for recording the image signal outputted from the image pickup device, a reproducing device, for reproducing the image signal recorded by the recording device, a change-over operating member, for selectively changing over a recording mode effected by the recording device, or a reproducing mode effected by the reproducing device, an image display device, for selectively displaying the image before recording or the reproduced image in a manner visible from outside, and a control device, for effecting control in response to the operation of the change-over operating member to change over the recording mode and the reproducing mode so that in the recording mode the continuous image signal before recording by the recording device, which has been changed by driving of the exposure amount setting device is displayed by the image display device. At least the image pickup device and the image display device are arranged to form a substantially integral construction.
    • 一种图像拾取装置,包括用于拾取对象的图像并将图像光电转换成图像信号的装置,用于指示对象的拍摄的照片指示装置,用于设置对象的量的曝光量设定装置, 用于通过图像拾取装置进行光电转换的曝光和用于控制曝光量设定装置的曝光量控制装置。 该装置还包括用于记录从图像拾取装置输出的图像信号的记录装置,用于再现由记录装置记录的图像信号的转换操作部件的再现装置,用于选择性地改变影响的记录模式 通过记录装置或由再现装置实现的再现模式,图像显示装置用于以外部可见的方式选择性地显示记录前的图像或再现图像,以及控制装置,用于响应于所述再现装置进行控制 操作转换操作部件以转换记录模式和再现模式,使得在记录模式下,通过由曝光量设定装置的驱动改变的记录装置进行记录之前的连续图像信号由 图像显示装置。 至少图像拾取装置和图像显示装置被布置成形成基本一体的结构。