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    • 65. 发明授权
    • Photographic information display systems for use in photographic cameras
    • 用于照相机的摄影信息显示系统
    • US4436397A
    • 1984-03-13
    • US363006
    • 1982-03-29
    • Takeo Kobayashi
    • Takeo Kobayashi
    • G03B17/18G03B17/20
    • G03B17/20
    • Various photographic informations such as brightness of an object to be photographed, an iris opening, sensitivity of a film, etc. are applied to an arithmetic operation circuit in the form of digital signals. The arithmetic operation circuit calculates an optimum shutter speed, and digital code bits representing the shutter speed is decoded by a decoder and then applied to luminous digits. A display control circuit is provided for sequentially operating the luminous digits whereby the display digits are sequentially turned on or off to display the photographic informations or to give an alarm to a user of the camera.
    • 以数字信号的形式将各种照相信息,例如要拍摄的物体的亮度,光圈打开,胶片的灵敏度等应用于算术运算电路。 算术运算电路计算最佳快门速度,表示快门速度的数字码位由解码器解码,然后应用于发光数字。 提供了显示控制电路,用于顺序地操作发光数字,由此顺序地打开或关闭显示数字以显示摄影信息或向摄像机的用户发出报警。
    • 69. 发明授权
    • Lens shutter camera including zoom lens
    • 镜头快门摄像头包括变焦镜头
    • US5673099A
    • 1997-09-30
    • US462687
    • 1995-06-05
    • Keisuke HaraguchiShinsuke KohmotoTakeo KobayashiShigeru KondohHideki OhkuboNorio NumakoSaburo SugawaraSusao NakamuraHirofumi MatsuoKatsuhiko NomuraEtsuro NishioHaruo Ishii
    • Keisuke HaraguchiShinsuke KohmotoTakeo KobayashiShigeru KondohHideki OhkuboNorio NumakoSaburo SugawaraSusao NakamuraHirofumi MatsuoKatsuhiko NomuraEtsuro NishioHaruo Ishii
    • G02B7/10G02B23/14G03B13/12G03B17/04G03B5/00
    • G03B13/12G02B7/102G03B17/04G02B23/145G03B2215/0503G03B2217/002
    • A lens shutter type of camera is disclosed in which a zoom lens is positioned in a lens block (1) which has a sector gear (15) rotatably associated with the lens block and with a rotatable cam ring (14). The cam ring and sector gear are rotatable in a substantially constant axial position. A movable finder optical assembly (8) and a movable strobe assembly (9) are movable in association with movement of the zoom lens. The zoom lens is movable between an extreme telephoto position and an extreme wide angle position, as well a into a fully collapsed lens position beyond the extreme wide angle position and a macro or close-up photographing position beyond the extreme telephoto position. When the camera is in its macro mode, a prism (P1) is inserted into the finder optical assembly to correct for parallax; the strobe assembly is moved to change its illumination angle; and an optical wedge (4e) is pivoted into the path between a light receiver (4) and a light emitter (3e). A single cam plate (53) is provided to move the finder assembly and the strobe assembly. The photographic aperture (22b) can be selectively closed by barrier plates (31a) when the zoom lens is moved into its fully collapsed position. A light intercepting assembly (210) is provided for preventing light from entering the photographic optical assembly via cam grooves (20 and 21). This intercepting assembly includes a flexible code plate (90) which surrounds a peripheral portion of the cam ring (14) and which provides positional information relating to the position of the zoom lens.
    • 公开了一种镜头遮挡式照相机,其中变焦镜头位于透镜块(1)中,该透镜块具有与透镜块可旋转地相关联的扇形齿轮(15)和可旋转的凸轮环(14)。 凸轮环和扇形齿轮可在基本上恒定的轴向位置旋转。 移动取景器光学组件(8)和可移动闪光灯组件(9)可随变焦镜头的移动而移动。 变焦镜头可以在极端远摄位置和极宽广角位置之间移动,以及超过极宽广角位置的完全折叠的镜头位置以及超过远摄位置的宏观或特写拍摄位置。 当相机处于其微距模式时,将棱镜(P1)插入取景器光学组件中以校正视差; 移动闪光灯组件以改变其照明角度; 并且光楔(4e)枢转到光接收器(4)和光发射器(3e)之间的路径中。 提供单个凸轮板(53)以移动取景器组件和闪光灯组件。 当变焦镜头移动到其完全折叠位置时,照相孔(22b)可以被阻挡板(31a)选择性地关闭。 提供遮光组件(210),用于防止光经由凸轮槽(20和21)进入照相光学组件。 该拦截组件包括围绕凸轮环(14)的周边部分并且提供与变焦镜头的位置相关的位置信息的柔性编码板(90)。