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公开(公告)号：US10670134B2
公开(公告)日：2020-06-02
申请号：US15992581
申请日：2018-05-30
发明人： Koichi Masuzawa , Kenichi Kudo
IPC分类号： F16H57/02 , F16H1/06 , F16H57/04 , F16H1/20 , F16H57/021 , F16H57/023
摘要： A gear box includes a casing having a partition portion, a supporting shaft fixed to the partition portion, and an output shaft supported so as to be rotatable around the supporting shaft and to which a pinion gear is fixed. The casing has a division wall that is positioned in the −Z direction with respect to the partition portion and is capable of abutting against the supporting shaft. The division wall constitutes a portion of a motor accommodation portion for accommodating a motor.
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公开(公告)号：US10281799B2
公开(公告)日：2019-05-07
申请号：US15911675
申请日：2018-03-05
申请人： SEIKO Precision Inc.
发明人： Hiroshi Takahashi , Yoichi Nakano
摘要： 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.
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公开(公告)号：US10165193B2
公开(公告)日：2018-12-25
申请号：US15062770
申请日：2016-03-07
申请人： SEIKO PRECISION INC.
发明人： Seiichi Oishi , Minori Murata , Motoharu Sakurai , Akira Ito
摘要： An image pickup device includes: an image pickup element; a board including an opening through which light entering the image pickup element passes; a shutter opening and closing the opening; an actuator driving the shutter, and including: a rotor; a stator; and first and second coils wound around the stator and not electrically connected to each other; and a drive circuit including plural terminal portions to which the first and second coils are individually connected.
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公开(公告)号：US10101635B2
公开(公告)日：2018-10-16
申请号：US15050954
申请日：2016-02-23
申请人： SEIKO Precision Inc.
发明人： Seiichi Oishi , Shoichi Tokura
摘要： 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.
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公开(公告)号：USD799992S1
公开(公告)日：2017-10-17
申请号：US29555465
申请日：2016-02-22
申请人： SEIKO Precision Inc.
设计人： Koji Ehara
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公开(公告)号：US09762820B2
公开(公告)日：2017-09-12
申请号：US14817424
申请日：2015-08-04
申请人： SEIKO PRECISION INC.
发明人： Hiroshi Takahashi , Chiaki Nemoto , Yoichi Nakano
CPC分类号： H04N5/335 , G03B9/36 , H04N5/2353 , H04N5/238 , H04N5/3765
摘要： 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.
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公开(公告)号：US09671677B2
公开(公告)日：2017-06-06
申请号：US15287060
申请日：2016-10-06
申请人： SEIKO Precision Inc.
发明人： Shoichi Tokura
IPC分类号： G03B9/32
CPC分类号： G03B9/42
摘要： A focal-plane shutter capable of stabilizing a curtain in continuous photographing action for suppression of variation in light exposure period is provided. The focal-plane shutter includes a base plate having a first opening, a blade receiving plate so arranged as to face the base plate and having a second opening formed in a position corresponding to the first opening, and a rear curtain that is arranged between the base plate and the blade receiving plate and moves between an open position where the first opening and the second opening are open and a closed position where the first opening and the second opening are closed to open and close the first opening and the second opening. The blade receiving plate has a protruding section in a position where the blade receiving plate overlaps with the rear curtain located in the open position when viewed along the optical axis direction, and the protruding section so protrudes toward the rear curtain as to allow the rear curtain to come into contact with the protruding section.
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公开(公告)号：US09632394B2
公开(公告)日：2017-04-25
申请号：US14795099
申请日：2015-07-09
申请人： SEIKO PRECISION INC.
摘要： 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.
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公开(公告)号：US09454000B2
公开(公告)日：2016-09-27
申请号：US14311707
申请日：2014-06-23
申请人： SEIKO PRECISION INC.
发明人： Katsuhisa Gokita , Kazuya Shioda , Kenichi Kudo
摘要： An aperture device includes: a board including an opening; a blade opening and closing the opening; and first and second receiving plates sandwiching the blade; wherein the first receiving plate includes a pressing portion partially pressing the blade toward the second plate.
摘要翻译： 孔装置包括：包括开口的板; 打开和关闭开口的刀片; 以及夹住所述刀片的第一和第二接收板; 其特征在于，所述第一容纳板包括将所述刮片朝向所述第二板部分地按压的按压部。
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公开(公告)号：US09429815B2
公开(公告)日：2016-08-30
申请号：US14528223
申请日：2014-10-30
申请人： SEIKO PRECISION INC.
摘要： 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.
摘要翻译： 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。
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