公开(公告)号：US20180252987A1

公开(公告)日：2018-09-06

申请号：US15911675

申请日：2018-03-05

Applicant: SEIKO Precision Inc.

Inventor： Hiroshi TAKAHASHI ,  Yoichi NAKANO

IPC: G03B9/14 ,  H04N5/376 ,  G03B9/40

CPC classification number: G03B9/14 ,  G03B9/40 ,  H04N5/2353 ,  H04N5/3765

Abstract: An imaging apparatus is provided, including a blade-driving device and a driving control unit which drives the front curtain actuator and the rear curtain actuator. The front curtain and the rear curtain are positioned at the open position at a time of start and termination of imaging, in which the front curtain moves from the closing position to the open position, and the rear curtain moves from the open position to the closing position, thereby performing an exposure operation. During consecutive photographing, the front curtain positioned at the closing position is moved once in a direction of the open position and is then returned to the closing position after the rear curtain is moved to the open position after termination of the exposure operation, and before a subsequent exposure operation is performed.

公开(公告)号：US20150341574A1

公开(公告)日：2015-11-26

申请号：US14817424

申请日：2015-08-04

Applicant: SEIKO PRECISION INC.

Inventor： Hiroshi TAKAHASHI ,  Chiaki NEMOTO ,  Yoichi NAKANO

IPC: H04N5/335 ,  H04N5/376 ,  G03B9/36

CPC classification number: H04N5/335 ,  G03B9/36 ,  H04N5/2353 ,  H04N5/238 ,  H04N5/3765

Abstract: An imaging device includes: an image pickup element; a focal plane shutter including: a board including an opening exposing the image pickup element; a leading shutter and a trailing shutter movable between a closed position to close the opening and an opened position to open the opening; and a leading shutter actuator and a trailing shutter actuator respectively driving the leading shutter and the trailing shutter, a drive control portion that drives the leading shutter actuator and the trailing shutter actuator; and a control portion that controls the image pickup element.

Abstract translation: 成像装置包括：图像拾取元件; 焦平面快门，其包括：包括暴露所述图像拾取元件的开口的板; 前挡板和后挡板可在闭合位置之间移动以关闭开口和打开位置以打开开口; 以及分别驱动所述前挡板和所述后挡板的前挡板致动器和后挡板致动器，驱动所述前挡板致动器和所述后挡板致动器的驱动控制部分; 以及控制摄像元件的控制部。

公开(公告)号：US20150309387A1

公开(公告)日：2015-10-29

申请号：US14795099

申请日：2015-07-09

Applicant: SEIKO PRECISION INC.

Inventor： Chiaki NEMOTO ,  Hiroshi TAKAHASHI ,  Shoichi TOKURA ,  Yoichi NAKANO ,  Motoharu SAKURAI

IPC: G03B7/00 ,  H04N5/335 ,  G03B9/60

CPC classification number: G03B9/14 ,  G03B9/08 ,  G03B9/42 ,  G03B9/58 ,  G03B2205/0053 ,  H04N5/238

Abstract: An image pickup device includes: a focal plane shutter including: a board including an opening; a shutter moving to open and close the opening; an actuator moving the shutter; and a detection portion detecting that the shutter passes through a predetermined position, an image pickup element which light enters through the opening; and a drive control portion that controls the actuator to move the shutter, wherein the drive control portion performs movement control to move the shutter at least until the shutter passes through the predetermined position, and performs brake control to decelerate the shutter while the shutter is moving after the shutter passes through the predetermined position.

Abstract translation: 一种图像拾取装置，包括：焦平面快门，包括：包括开口的板; 打开和关闭开口的快门; 执行器移动快门; 以及检测部分，检测所述快门通过预定位置，所述光拾取元件，所述光通过所述开口进入; 以及驱动控制部分，其控制致动器移动快门，其中驱动控制部分执行移动控制以使快门至少移动到快门通过预定位置，并且在快门移动时执行制动控制以使快门减速 在快门经过预定位置之后。

公开(公告)号：US20150234255A1

公开(公告)日：2015-08-20

申请号：US14700687

申请日：2015-04-30

Applicant: SEIKO PRECISION INC.

Inventor： Hiroshi TAKAHASHI ,  Mitsuru SUZUKI ,  Minori MURATA ,  Makoto TORIUMI

IPC: G03B9/08

CPC classification number: G03B9/08 ,  G03B9/42

Abstract: A focal-plane shutter includes: a board including an opening; a blade opening and closing the opening; a rotor of an actuator for driving the blade; an output member rotated by the rotor and including a first gear portion; a drive member including a second gear portion meshing with the first gear portion, rotating about a predetermined axis, and driving the blade; and a positioning portion abutting with the drive member and defining an end of a rotational range of the drive member, wherein the first and second gear portions and the positioning portion overlap one another in a plane direction perpendicular to the axis.15

Abstract translation: 焦平面快门包括：包括开口的板; 打开和关闭开口的刀片; 用于驱动叶片的致动器的转子; 由转子旋转并包括第一齿轮部分的输出构件; 驱动构件，其包括与所述第一齿轮部分啮合的第二齿轮部分，绕预定轴线旋转，并且驱动所述刀片; 以及与所述驱动构件抵接并且限定所述驱动构件的旋转范围的端部的定位部，其中所述第一和第二齿轮部分和所述定位部分在垂直于所述轴线的平面方向上彼此重叠。 15

公开(公告)号：US20150050014A1

公开(公告)日：2015-02-19

申请号：US14528223

申请日：2014-10-30

Applicant: SEIKO PRECISION INC.

Inventor： Hiroshi TAKAHASHI ,  Shoichi TOKURA ,  Chiaki NEMOTO ,  Yoichi NAKANO

IPC: G03B9/42

CPC classification number: G03B9/42 ,  G03B9/36

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 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 respectively drive the first and second blades through first and second drive members, the first drive member is arranged to overlap the first stator and the first coil in an optical axis direction, and the second drive member is arranged to overlap the second stator and the second coil in the optical axis direction.

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; 以及分别驱动第一和第二叶片的第一和第二致动器，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，并且分别通过第一和第二驱动器驱动第一和第二叶片 构件，第一驱动构件布置成在光轴方向上与第一定子和第一线圈重叠，并且第二驱动构件布置成在光轴方向上与第二定子和第二线圈重叠。

公开(公告)号：US20140248046A1

公开(公告)日：2014-09-04

申请号：US14277322

申请日：2014-05-14

Applicant: SEIKO PRECISION INC.

Inventor： Hiroshi TAKAHASHI ,  Minori MURATA ,  Seiichi OISHI ,  Mitsuru SUZUKI ,  Shoichi TOKURA

IPC: G03B9/40

CPC classification number: G03B9/40 ,  G03B9/36 ,  G03B9/42

Abstract: A focal plane shutter includes a board including an opening; a leading blade and a trailing blade opening and closing the opening; a trailing blade actuator driving the trailing blade; a drive member driving the trailing blade by receiving driving force of the trailing blade actuator; and a buffering member abutting with the drive member in a state where the trailing blade recedes away from the opening, wherein the trailing blade actuator causes the drive member to move away from the buffering member from an abutting state therewith and to abut therewith again in a charging operation, and then starts an exposure operation.

Abstract translation: 焦平面快门包括：包括开口的板; 前刀片和后刀片，打开和关闭开口; 后叶片致动器驱动后叶片; 驱动构件，其通过接收所述后叶片致动器的驱动力来驱动所述后叶片; 以及缓冲构件，其在所述后叶片从所述开口退出的状态下与所述驱动构件抵接，其中所述后叶片致动器使所述驱动构件从所述缓冲构件与其抵接状态移动并且再次抵靠所述缓冲构件 充电操作，然后开始曝光操作。