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公开(公告)号：US08449206B2
公开(公告)日：2013-05-28
申请号：US13455393
申请日：2012-04-25
申请人： Hiroshi Takahashi , Seiichi Oishi
发明人： Hiroshi Takahashi , Seiichi Oishi
IPC分类号： G03B9/60
CPC分类号： G03B9/60 , G03B9/18 , G03B9/36 , H04N5/2254
摘要： A focal plane shutter includes: a board including an opening; a drive lever swingably supported by the board, biased from a start end to a terminal end of a swingable range by a drive spring, and driving blades opening and closing the opening; and a set member rotating in a first direction to position the drive lever at the start end, and then rotating in a second direction.
摘要翻译： 焦平面快门包括：包括开口的板; 驱动杆，其由所述板可摆动地支撑，通过驱动弹簧从起始端到可摆动范围的终端偏置;以及驱动叶片，其打开和关闭所述开口; 以及沿着第一方向旋转的定位构件，以将驱动杆定位在起始端，然后沿第二方向旋转。
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公开(公告)号：US08356949B2
公开(公告)日：2013-01-22
申请号：US13235875
申请日：2011-09-19
申请人： Hiroshi Takahashi , Seiichi Oishi
发明人： Hiroshi Takahashi , Seiichi Oishi
IPC分类号： G03B9/32
CPC分类号： G03B9/36
摘要： A focal plane shutter includes: a board including an opening; a blade movable between a position where the blade recedes from the opening and a position where the blade covers at least part of the opening; a drive arm connected to the blade, the drive arm including an engagement hole; a drive lever including a drive pin engaging the engagement hole; and a restriction portion provided in the drive arm, the restriction portion abutting the drive pin and being thicker than the drive arm.
摘要翻译： 焦平面快门包括：包括开口的板; 刀片可在刀片从开口退回的位置与刀片覆盖至少部分开口的位置之间移动; 连接到所述叶片的驱动臂，所述驱动臂包括接合孔; 驱动杆，包括与所述接合孔接合的驱动销; 以及设置在所述驱动臂中的限制部，所述限制部抵靠所述驱动销并且比所述驱动臂更厚。
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公开(公告)号：US20130084060A1
公开(公告)日：2013-04-04
申请号：US13586035
申请日：2012-08-15
IPC分类号： G03B9/40
CPC分类号： G03B9/36
摘要： A focal plane shutter includes: first, second, and third boards respectively including openings through which light enters an image pickup element from an object side, and arranged in this order from the object side toward the image pickup element side; a blade arranged between the first and second boards and capable of opening and closing the openings; and a holding member arranged between the second and third boards, not coupled to the blade, and holding the second board from the image pickup element side.
摘要翻译： 焦平面快门包括：第一，第二和第三板，分别包括从物体侧进入图像拾取元件的开口，并且从物体侧朝向图像拾取元件侧依次布置; 设置在第一和第二板之间并能够打开和关闭开口的叶片; 以及保持构件，布置在第二和第三板之间，未联接到叶片，并且将第二板从图像拾取元件侧保持。
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公开(公告)号：US08313256B2
公开(公告)日：2012-11-20
申请号：US13234307
申请日：2011-09-16
申请人： Hiroshi Takahashi , Seiichi Oishi
发明人： Hiroshi Takahashi , Seiichi Oishi
IPC分类号： G03B9/08
摘要： A focal plane shutter includes: an electromagnet; a board including an opening; a blade movable between a position where the blade recedes from the opening and a position where the blade covers at least part of the opening; and a drive lever driving the blade, and including: a spindle portion provided at its one end with a flange portion; an iron piece provided at the other end of the spindle portion and capable of being adsorbed to the electromagnet; a support portion including a through hole through which the spindle portion penetrates with a play; and a guide portion provided along the iron piece.
摘要翻译： 焦平面快门包括：电磁体; 包括开口的董事会; 刀片可在刀片从开口退回的位置与刀片覆盖至少部分开口的位置之间移动; 以及驱动杆，驱动所述刀片，并且包括：心轴部，其一端设置有凸缘部; 铁芯，其设置在所述心轴部的另一端，能够吸附在所述电磁体上; 支撑部分，其包括通孔，所述心轴部分通过所述通孔穿过所述通孔; 以及沿铁片设置的引导部。
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公开(公告)号：US09039308B2
公开(公告)日：2015-05-26
申请号：US13586035
申请日：2012-08-15
CPC分类号： G03B9/36
摘要： A focal plane shutter includes: first, second, and third boards respectively including openings through which light enters an image pickup element from an object side, and arranged in this order from the object side toward the image pickup element side; a blade arranged between the first and second boards and capable of opening and closing the openings; and a holding member arranged between the second and third boards, not coupled to the blade, and holding the second board from the image pickup element side.
摘要翻译： 焦平面快门包括：第一，第二和第三板，分别包括从物体侧进入图像拾取元件的开口，并且从物体侧朝向图像拾取元件侧依次布置; 设置在第一和第二板之间并能够打开和关闭开口的叶片; 以及保持构件，布置在第二和第三板之间，未联接到叶片，并且将第二板从图像拾取元件侧保持。
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公开(公告)号：US08511916B2
公开(公告)日：2013-08-20
申请号：US13429818
申请日：2012-03-26
申请人： Hiroshi Takahashi , Seiichi Oishi
发明人： Hiroshi Takahashi , Seiichi Oishi
IPC分类号： G03B9/08
摘要： A blade driving device includes: a board including an opening; a blade movable between a position receding from the opening and a position overlapping at least a part of the opening; and a buffering member having a loop shape, having an elasticity, abutting the blade at an end of a movable range of the blade, and being deformable such that the loop shape is warped when abutting against the blade.
摘要翻译： 一种刀片驱动装置，包括：一个板，包括一个开口; 可在从开口退回的位置与与开口的至少一部分重叠的位置之间移动的刀片; 以及具有弹性的环形的缓冲构件，其在所述叶片的可动范围的端部处与所述叶片抵接，并且可变形，使得当抵靠所述叶片时所述环形弯曲。
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公开(公告)号：US20120008933A1
公开(公告)日：2012-01-12
申请号：US13235875
申请日：2011-09-19
申请人： Hiroshi TAKAHASHI , Seiichi Oishi
发明人： Hiroshi TAKAHASHI , Seiichi Oishi
IPC分类号： G03B9/32
CPC分类号： G03B9/36
摘要： A focal plane shutter includes: a board including an opening; a blade movable between a position where the blade recedes from the opening and a position where the blade covers at least part of the opening; a drive arm connected to the blade, the drive arm including an engagement hole; a drive lever including a drive pin engaging the engagement hole; and a restriction portion provided in the drive arm, the restriction portion abutting the drive pin and being thicker than the drive arm.
摘要翻译： 焦平面快门包括：包括开口的板; 刀片可在刀片从开口退回的位置与刀片覆盖至少部分开口的位置之间移动; 连接到所述叶片的驱动臂，所述驱动臂包括接合孔; 驱动杆，包括与所述接合孔接合的驱动销; 以及设置在所述驱动臂中的限制部，所述限制部抵靠所述驱动销并且比所述驱动臂更厚。
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公开(公告)号：US20060163953A1
公开(公告)日：2006-07-27
申请号：US11388871
申请日：2006-03-24
申请人： Hisashi Kawamoto , Seiichi Oishi
发明人： Hisashi Kawamoto , Seiichi Oishi
CPC分类号： H02K37/14
摘要： A step motor includes a rotor having four magnetic poles, a first magnetic pole magnetically excited by a first coil, a second magnetic pole magnetically excited by a second coil, and a third magnetic pole magnetically excited by the first coil and the second coil. A gap D between the third magnetic pole and the rotor is larger than a gap d between the first magnetic pole and the rotor and the gap d between the second magnetic pole and the rotor, so that a magnetic attraction is generated between a pole of the rotor and the first magnetic pole and between another pole of the rotor and the second magnetic pole. With this step motor applied to a shutter driving mechanism of a camera, it is possible to surely retain the shutter state even when the current does not flow.
摘要翻译： 步进电动机包括具有四个磁极的转子，由第一线圈磁激励的第一磁极，由第二线圈磁激励的第二磁极和由第一线圈和第二线圈磁激励的第三磁极。 第三磁极和转子之间的间隙D大于第一磁极和转子之间的间隙d以及第二磁极和转子之间的间隙d，从而在第二磁极和转子的极之间产生磁吸引力 转子和第一磁极以及转子的另一极与第二磁极之间。 通过将该步进电机应用于相机的快门驱动机构，即使当电流不流动时，也可以可靠地保持快门状态。
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公开(公告)号：US07338222B2
公开(公告)日：2008-03-04
申请号：US11449305
申请日：2006-06-08
申请人： Phichet Numnual , Hisashi Kawamoto , Seiichi Oishi , Osamu Takano
发明人： Phichet Numnual , Hisashi Kawamoto , Seiichi Oishi , Osamu Takano
IPC分类号： G03B9/02
CPC分类号： G03B9/02
摘要： An aperture apparatus includes a substrate having a lens opening, a first aperture sector having a first aperture opening, a second aperture sector having a second aperture opening, and a drive pin that is engaged in cam openings respectively formed in the first aperture sector and in the second aperture sector and that swings the first aperture sector and the second aperture sector. The first aperture sector and the second aperture sector are located in receding positions from the lens opening, when the drive pin is in an initial position. The cam openings include a swing region and a non-swing region, the swing region guiding a corresponding sector to the lens opening as the drive pin moves from the initial position, the non-swing region retaining the other sector in the receding position, when one of the first aperture sector and the second aperture sector is guided to the lens opening.
摘要翻译： 孔设备包括具有透镜开口的基板，具有第一开口开口的第一开口扇区，具有第二开口开口的第二开口扇区和与分别形成在第一开口扇区中的凸轮开口啮合的驱动销， 第二光圈扇区，并使第一光圈扇区和第二光圈扇区摆动。 当驱动销处于初始位置时，第一光圈扇区和第二光圈扇区位于透镜开口的后退位置。 凸轮开口包括摆动区域和非摆动区域，当驱动销从初始位置移动时，摆动区域将相应扇区引导到透镜开口，非挥发区域将另一个扇区保持在后退位置，当 将第一光圈扇区和第二光圈扇区中的一个引导到透镜开口。
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公开(公告)号：US07338221B2
公开(公告)日：2008-03-04
申请号：US11371980
申请日：2006-03-08
CPC分类号： H02K21/185 , H02K1/14
摘要： A sector drive mechanism includes an electromagnetic actuator including a rotor having four polarities, a C-shaped stator, and a current control portion that controls current applied to a first coil and a second coil, the C-shaped stator including a first magnetic pole magnetically excited by the first coil, a second magnetic pole magnetically excited by the second coil, and a third magnetic pole magnetically excited by the first coil and the second coil, and sectors that are connected to the electromagnetic actuator to open and close a shutter opening provided in a substrate. The first coil and the second coil are driven to close the shutter opening with a fewer number of pulses applied from the current control portion than the number of the pulses to open the shutter opening.
摘要翻译： 扇形驱动机构包括电磁致动器，其包括具有四个极性的转子，C形定子和控制施加到第一线圈和第二线圈的电流的电流控制部分，所述C形定子包括第一磁极 由第一线圈励磁，由第二线圈磁激励的第二磁极和由第一线圈和第二线圈磁激励的第三磁极，以及连接到电磁致动器以打开和闭合提供的快门开口的扇区 在基材中。 驱动第一线圈和第二线圈以从电流控制部分施加的脉冲数少于打开快门开口的脉冲数来关闭快门开口。
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