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    • 12. 发明授权
    • Focal plane shutter device for a camera
    • 焦平面快门装置用于相机
    • US5489960A
    • 1996-02-06
    • US438072
    • 1995-05-08
    • Yoshiaki TanabeAkira KatayamaMasanori Hasuda
    • Yoshiaki TanabeAkira KatayamaMasanori Hasuda
    • G03B9/18G03B9/32
    • G03B9/18
    • A focal plane shutter device is provided in which when a rear shutter diaphragm travels in a first direction to retract from a photographing image plane from a state where the rear shutter diaphragm and a front shutter diaphragm shade the photographing image plane doubly, a balancer (42 and 44) travels in a direction which is substantially opposite to the first direction. When the front shutter diaphragm travels in a second direction opposite to the aforesaid first direction to begin exposure subsequent to the retraction of the rear shutter diaphragm, the aforesaid balancer (42 and 44) travels in a direction substantially opposite to the second direction. Consequently, it is possible to prevent camera blurring due to the traveling of the rear shutter diaphragm and the front shutter diaphragm by one balancer means. The device preferably includes an assisting member (45) which is connected to the balancer and which is caused to travel so as to provide a pressing force to assist the rear shutter diaphragm when the rear shutter diaphragm travels in the first direction, thus making it possible to perform the retraction of the rear shutter diaphragm more reliably. A chasing member may also be provided to chase the assisting member and secure a space between the front and rear shutter diaphragms by contacting the assisting member if, for example, the rear shutter diaphragm begins to travel prematurely by malfunction.
    • 提供了一种焦平面快门装置,其中当后挡板光阑沿第一方向移动以从拍摄图像平面从后快门光阑和前快门光阑双重地遮蔽拍摄图像平面的状态缩回时,平衡器(42) 和44)沿与第一方向基本相反的方向行进。 当前快门光阑在与上述第一方向相反的第二方向上行进时,在后快门光阑缩回之后开始曝光,所述平衡器(42和44)沿与第二方向基本相反的方向行进。 因此,可以通过一个平衡器装置防止由于后快门光阑和前快门光阑的行进而引起的相机模糊。 该装置优选地包括辅助构件(45),该辅助构件(45)连接到平衡器并且当后挡板膜片沿第一方向行进时被引导以提供按压力来辅助后挡板膜片,从而使其成为可能 以更可靠地执行后挡板隔膜的缩回。 如果例如后挡板膜片由于故障而过早地行进,也可以通过使辅助部件接触来追踪辅助部件并且保持前后挡板光阑之间的空间。
    • 14. 发明申请
    • Camera
    • 相机
    • US20090154915A1
    • 2009-06-18
    • US12314524
    • 2008-12-11
    • Masanori Hasuda
    • Masanori Hasuda
    • G03B17/02
    • G03B17/02
    • A camera capable of closing a barrier in accordance with need, even an interchangeable lens is mounted. The camera is provided with a connection portion, a barrier member and a barrier control section. The connection portion is detachably connected with the interchangeable lens and is provided with an aperture portion, which allows object light to pass therethrough. The barrier member is movably provided, in the state the interchangeable lens is connected with the connection portion, between a closed position, the barrier member closes off the aperture portion of the connection portion, and an open position, the barrier member is withdrawn from the light path. The barrier control section judges a state of mounting of the interchangeable lens to the connection portion, controls the barrier member to the closed position if the interchangeable lens is not mounted, and to the open position if mounted and a predetermined first condition is satisfied.
    • 安装了能够根据需要关闭屏障的照相机,即使是可互换的透镜。 相机设置有连接部分,屏障部件和屏障控制部分。 连接部分与可互换镜头可拆卸地连接并且设置有允许物体光通过的开口部分。 阻挡构件可移动地设置在可互换透镜与连接部分连接的状态下,在关闭位置之间,阻挡构件封闭连接部分的开口部分和打开位置,阻挡构件从 光路。 障碍物控制部分判断可更换镜头安装到连接部分的状态,如果未安装可更换镜头,则将屏障部件控制到关闭位置,如果安装则将其限制到打开位置,并且满足预定的第一条件。
    • 16. 发明授权
    • Light shielding blade caulking pin
    • 遮光片堵缝针
    • US5541694A
    • 1996-07-30
    • US551001
    • 1995-10-31
    • Takashi MatsubaraHiroyuki OhshimaMasanori Hasuda
    • Takashi MatsubaraHiroyuki OhshimaMasanori Hasuda
    • G03B9/00G03B9/10G03B9/32
    • G03B9/00
    • A caulking pin joint for use with a light shielding blade in a shutter or aperture mechanism of a camera. The caulking pin has a disc-shaped head, a circular protrusion depending therefrom, and a hollow-circular segment depending from the circular protrusion. The actuation arm of the shutter or aperture rests on the head, while the light shielding blade rests on the circular protrusion. The hollow circular section is then spread outward so as to rotatably secure the actuator arm to the light shielding blade. The interior surface of the hollow circular section is chamfered such that when it is folded over on top of the light shielding blade, it presents only a small smooth protuberance from the light shielding blade. This allows a second light shielding blade to be positioned close to the first light shielding blade without fear of collisions or interference between the blades. The circular protrusion upon which the light shielding blade rests, may be provided with a surface inclined up to and including 15.degree. for receiving the light shielding blade. A punch and dye is used to deform both the hollow section and the periphery of the insertion hole in the light shielding blade.
    • 用于照相机的快门或光圈机构中的遮光片的铆接销接头。 铆接销具有圆盘形的头部,从其延伸的圆形突出部以及从圆形突出部垂下的中空圆形部分。 快门或孔的致动臂位于头部上,而遮光叶片搁置在圆形突出部上。 然后将中空圆形部分向外展开,以将致动器臂可旋转地固定到遮光叶片上。 中空圆形部分的内表面被倒角,使得当其在遮光片的顶部折叠时,其仅具有来自遮光片的小的平滑突起。 这允许第二遮光叶片定位成靠近第一遮光片,而不用担心叶片之间的碰撞或干扰。 光屏蔽叶片所在的圆形突起可以设置有倾斜并且包括15°的表面,用于接收遮光片。 使用冲头和染料使遮光片中的插入孔的中空部分和周边变形。
    • 19. 发明授权
    • Camera accessory, mount of camera accessory, camera body and mount of camera body
    • 相机附件,相机配件的安装,相机机身和相机机身的安装
    • US08430582B2
    • 2013-04-30
    • US13029621
    • 2011-02-17
    • Masanori HasudaNoriyasu KotaniHideaki Hoshikawa
    • Masanori HasudaNoriyasu KotaniHideaki Hoshikawa
    • G03B17/00
    • G03B17/565G03B17/14G03B17/566
    • A camera accessory is equipped with an accessory mount assuming a bayonet structure with first through third tabs set over intervals along a circumference and projecting from inside of the accessory toward the outside. The mount is structured so that insertion of the mount is allowed when the mount is inserted at a correct interlock phase without any of the first through third tabs contacting any of three camera body-side tabs, and that insertion of the mount is disallowed if the accessory mount is positioned at an incorrect interlock phase with at least two tabs contacting at least two of the camera body-side tabs. The first through the third tabs extend along varying lengths along the circumference. When the first tab and either other tab contacts two of the camera body-side tabs at a total of two contact locations, the first tab contacts near the second side end.
    • 相机附件配备有附件安装件,其假定为卡口结构,其中第一至第三突出部沿着圆周设置间隔并且从附件的内部朝向外部突出。 安装件的构造使得当安装件以正确的互锁相位插入时,允许安装座的插入,而没有任何第一至第三突出部接触三个相机主体侧翼片中的任何一个,并且如果 附件安装座位于不正确的互锁相位,至少两个接片与相机主体侧翼片中的至少两个相接触。 第一至第三突片沿着圆周沿不同长度延伸。 当第一突片和任何另一个突片在总共两个接触位置接触两个相机主体侧突片时,第一突出部接触第二侧端附近。