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公开(公告)号：US09971231B2
公开(公告)日：2018-05-15
申请号：US14944756
申请日：2015-11-18
Applicant: SEIKO Precision Inc.
Inventor： Takashi Nakano , Penjan Worapong
IPC: G03B9/06
CPC classification number: G03B9/06
Abstract: A diaphragm device of the present invention includes: a base plate having an aperture portion; a first blade being placed on a plane of the base plate and supported by the base plate to be able to open and close the aperture portion; a second blade being placed on the same plane of the base plate as the first blade, and supported by the base plate to be able to open and close the aperture portion; and a drive ring being formed so as to surround the perimeter of the aperture portion, the driving ring being configured to drive the first blade and the second blade to open and close, wherein the first blade and the second blade perform mutually different actions based on an operation of the drive ring.
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公开(公告)号：US09904145B2
公开(公告)日：2018-02-27
申请号：US15634326
申请日：2017-06-27
Applicant: SEIKO Precision Inc.
Inventor： Yoichi Nakano
Abstract: There are provided a blade drive device and an optical instrument. The blade drive device includes a substrate that has an opening, a front curtain and a rear curtain that are movable along an opening surface of the opening so as to open and close the opening, a front curtain locking portion that interlocks with opening and closing operations of the front curtain, a rear curtain locking portion that interlocks with opening and closing operations of the rear curtain, a regulation lever that is configured to be pivotally movable around a lever axis, that enters an operation trajectory of the front curtain locking portion and the rear curtain locking portion, and that is capable of entry and escape between an entry position for regulating the movement of the front curtain and the rear curtain in a closing direction and an escape position escaped from the operation trajectory, a regulation electromagnetic actuator that is configured to be rotatable around a regulation axis, and a linkage lever that causes the regulation lever to pivot around the lever axis in response to the rotation around the regulation axis of the regulation electromagnetic actuator. The regulation lever and the linkage lever engage with each other while being provided with play in a circumferential direction around the regulation axis.
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公开(公告)号：US09612505B2
公开(公告)日：2017-04-04
申请号：US15221145
申请日：2016-07-27
Applicant: SEIKO Precision Inc.
Inventor： Seiichi Oishi , Shoichi Tokura
Abstract: A focal-plane shutter capable of preventing deterioration of the quality of a captured image is provided. A focal-plane shutter includes a base plate having an opening, a rear curtain that moves between an open position where the opening is open and a closed position where the opening is closed to allow the opening to be open and closed, and a first cushioning member that comes into contact with the rear curtain, and the rear curtain has a first protrusion that is located outside the opening, protrudes in a first direction from the open position toward the closed position, and comes into contact with the first cushioning member when the rear curtain moves from the open position to the closed position.
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公开(公告)号：US09606421B2
公开(公告)日：2017-03-28
申请号：US15088589
申请日：2016-04-01
Applicant: SEIKO PRECISION INC.
Inventor： Seiichi Oishi , Hiroshi Takahashi , Shoichi Tokura
Abstract: A focal-plane shutter includes: a board including an opening; a shutter opening and closing the opening; a drive lever provided with a drive pin and swinging; a drive arm provided with an engagement hole engaged with the drive pin, swinging about a center same as a swing center of the drive lever, driving the shutter, and made of a synthetic resin; and a restriction portion defining a swinging range of the drive lever.
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公开(公告)号：US09507240B2
公开(公告)日：2016-11-29
申请号：US14470400
申请日：2014-08-27
Applicant: SEIKO PRECISION INC.
Inventor： Hiroshi Takahashi , Shoichi Tokura , Chiaki Nemoto , Yoichi Nakano
Abstract: A blade drive device includes: a board including an opening; first and second blades opening and closing the opening; and first and second actuators arranged adjacent to each other and respectively driving the first and second blades, wherein the first and second actuators respectively include first and second stators, first and second rotors, and first and second coils, and the first and second rotors is arranged to sandwich at least one of the first and second coils.
Abstract translation: 刀片驱动装置包括：包括开口的板; 第一和第二叶片打开和关闭开口; 以及第一和第二致动器，彼此相邻并且分别驱动第一和第二叶片，其中第一和第二致动器分别包括第一和第二定子，第一和第二转子以及第一和第二线圈，并且第一和第二转子是 布置成夹持第一和第二线圈中的至少一个。
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Patent Agency Ranking
公开(公告)号：US20160282704A1
公开(公告)日：2016-09-29
申请号：US15050954
申请日：2016-02-23
Applicant: SEIKO Precision Inc.
Inventor： Seiichi OISHI , Shoichi TOKURA
IPC: G03B9/10
Abstract: To provide a blade drive device capable of suppressing variations in movement speed of blades at the time of continuous operation and shortening the operation interval of blades. A blade drive device 10 includes a bed plate 11 having an opening 12, a blade receiving plate 15 arranged so as to face the bed plate 11, a plurality of blades 31b to 34b provided between the bed plate 11 and the blade receiving plate 15, which are expanded in a state where the opening 12 is closed and are housed while overlapping one another in a state where the opening 12 is opened and a regulating member 80 having an abutting surface 82 on which side edge portions 31b1 to 34b1 of the blades 31b to 34b abut when the blades are housed. The abutting surface 82 is an inclined surface 83 inclined to the bed plate 11 side as it goes from the bed plate 11 side to the blade receiving plate 15 side.
Abstract translation: 提供一种能够抑制连续动作时的叶片的移动速度的变化以及缩短叶片的操作间隔的叶片驱动装置。 刀片驱动装置10包括具有开口12的床板11，布置成面对床板11的刀片接收板15，设置在床板11和刀片接收板15之间的多个刀片31b至34b， 在开口12被打开的状态下，在开口12闭合并容纳的状态下膨胀的开口12和具有抵接面82的限制部件80，叶片31b的侧缘部31b1〜34b1 当叶片被容纳时，至34b邻接。 抵接面82是从床板11侧朝向刀片容纳板15侧从床板11侧倾斜的倾斜面83。
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公开(公告)号：US20160216593A1
公开(公告)日：2016-07-28
申请号：US15088589
申请日：2016-04-01
Applicant: SEIKO PRECISION INC.
Inventor： Seiichi OISHI , Hiroshi TAKAHASHI , Shoichi TOKURA
IPC: G03B9/40
Abstract: A focal-plane shutter includes: a board including an opening; a shutter opening and closing the opening; a drive lever provided with a drive pin and swinging; a drive arm provided with an engagement hole engaged with the drive pin, swinging about a center same as a swing center of the drive lever, driving the shutter, and made of a synthetic resin; and a restriction portion defining a swinging range of the drive lever.
Abstract translation: 焦平面快门包括：包括开口的板; 打开和关闭开口的快门; 驱动杆，设有驱动销并摆动; 驱动臂，其设置有与驱动销接合的接合孔，围绕与驱动杆的摆动中心相同的中心摆动，驱动闸门，并由合成树脂制成; 以及限定驱动杆的摆动范围的限制部。
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公开(公告)号：US09395599B2
公开(公告)日：2016-07-19
申请号：US14626014
申请日：2015-02-19
Applicant: SEIKO PRECISION INC.
Inventor： Seiichi Oishii , Shoichi Tokura
Abstract: A focal plane shutter includes: a first board including a first opening; a first shutter including plural first blades, and facing the first board and closing the first opening such that an overlapped state where the plural first blades overlap each other is shifted to an expanded state where the plural first blades expand; and a drive member connected to a root portion of the first shutter and causing the first shutter to move.
Abstract translation: 焦平面快门包括：第一板，包括第一开口; 第一挡板，其包括多个第一叶片，并且面向第一板并且关闭第一开口，使得多个第一叶片彼此重叠的重叠状态转移到多个第一叶片膨胀的展开状态; 以及驱动构件，其连接到所述第一活门的根部并使所述第一活门移动。
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公开(公告)号：US09389484B2
公开(公告)日：2016-07-12
申请号：US14282306
申请日：2014-05-20
Applicant: SEIKO PRECISION INC.
Inventor： Yoichi Nakano
IPC: G03B9/36
CPC classification number: G03B9/36
Abstract: An image pickup device includes: an image pickup element; a control portion artificially driving an electronic leading blade by resetting stored charges of the image pickup element in a predetermined direction at every pixel line; and a focal plane shutter includes a board including an opening exposing the image pickup element, a mechanical trailing blade capable of opening and closing the opening, a trailing blade drive lever driving the trailing blade, an actuator actuating the trailing blade drive lever, a shading member capable of opening and closing at least a part of the opening, a shading member drive lever driving the shading member, a connection member provided on the shading member drive lever, and a biasing member biasing the shading member drive lever such that the shading member recedes from the opening.
Abstract translation: 图像拾取装置包括：图像拾取元件; 控制部分通过在每个像素线处沿着预定方向复位所述图像拾取元件的存储电荷来人为地驱动电子引导刀片; 并且焦平面快门包括板，其包括暴露图像拾取元件的开口，能够打开和关闭开口的机械后叶片，驱动后叶片的后叶片驱动杆，致动后叶片驱动杆的致动器，阴影 能够打开和关闭所述开口的至少一部分的构件，遮光构件驱动所述遮光构件的驱动杆，设置在所述遮光构件驱动杆上的连接构件，以及偏压构件，所述偏置构件偏压所述遮光构件驱动杆，使得所述遮光构件 从开幕回退。
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公开(公告)号：US09323131B2
公开(公告)日：2016-04-26
申请号：US14700708
申请日：2015-04-30
Applicant: SEIKO PRECISION INC.
Inventor： Hiroshi Takahashi , Mitsuru Suzuki , Minori Murata , Makoto Toriumi
IPC: G03B9/40
Abstract: A focal-plane shutter includes: first, second, and third boards each including an opening and arranged in an optical axis direction passing through the openings; a first blade arranged between the first and second boards and capable of opening and closing the openings; a second blade arranged between the second and third boards and capable of opening and closing the openings; first and second arms arranged between the second and third boards, connected to the second blade, made of synthetic resins, and capable of rotating about respective different fulcrums; and a drive member connected to the first arm and driving the first arm.
Abstract translation: 焦平面快门包括：第一，第二和第三板，每个包括开口并沿着穿过开口的光轴方向布置; 布置在所述第一板和所述第二板之间并能够打开和关闭所述开口的第一叶片; 布置在第二和第三板之间并能够打开和关闭开口的第二刀片; 布置在第二和第三板之间的第一和第二臂，连接到第二叶片，由合成树脂制成，并且能够绕各自不同的支点旋转; 以及连接到第一臂并驱动第一臂的驱动构件。
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