公开(公告)号：US20110317278A1

公开(公告)日：2011-12-29

申请号：US13166631

申请日：2011-06-22

Applicant: Haruo SATO ,  Issei Tanaka

Inventor： Haruo SATO ,  Issei Tanaka

IPC: G02B15/14

CPC classification number: G02B13/04 ,  G02B1/11 ,  G02B15/177 ,  G02B27/0018 ,  G02B27/646 ,  G03B19/20

Abstract: A zoom lens including, from an object: a front group having negative power; and a rear group having positive power, the rear group including, from the object, a positive lens, a negative lens having a concave surface facing the object, a cemented positive lens constructed by a negative lens and a positive lens, and a cemented lens constructed by a positive lens and a negative lens, the rear group further including a focusing group disposed to the object side of the positive lens La for focusing from infinity to a close object by moving from the object side to an image side, a distance between the front group and the rear group being varied thereby zooming from a wide-angle end state to a telephoto end state, and given condition being satisfied, thereby providing a downsized zoom lens having wide angle of view and excellent optical performance with fewer lenses.

Abstract translation: 一种变焦透镜，包括：物体：具有负电力的前组; 和具有正功率的后组，所述后组从所述物体包括正透镜，具有面向所述物体的凹面的负透镜，由负透镜和正透镜构成的胶合正透镜，以及胶合透镜 由正透镜和负透镜构成，后组还包括设置在正透镜La的物体侧的聚焦组，用于通过从物体侧向像侧移动而从无穷远到近距离物体的聚焦， 前组和后组变化，从广角端状态变焦到望远端状态，并且满足条件，从而提供具有广视角的缩小变焦透镜和具有较少透镜的优异光学性能。

公开(公告)号：US20110249982A1

公开(公告)日：2011-10-13

申请号：US13075692

申请日：2011-03-30

Applicant: Haruo SATO

Inventor： Haruo SATO

IPC: G03G21/20

CPC classification number: G03G21/206

Abstract: An image formation apparatus includes: an image formation unit configured to form a developer image; an image transfer unit configured to transfer the developer image from the image formation unit to a recording medium; a fixation unit having a heater to fix the developer image to the recording medium; a duct provided between the image formation unit and the fixation unit, the duct comprising a first circumference section made of heat conductive material and a second circumference section made of heat insulation material; and a fan to flow air through the duct.

Abstract translation: 图像形成装置包括：图像形成单元，被配置为形成显影剂图像; 图像传送单元，被配置为将显影剂图像从图像形成单元传送到记录介质; 固定单元，具有用于将显影剂图像固定到记录介质的加热器; 所述管道设置在所述图像形成单元和所述固定单元之间，所述管道包括由导热材料制成的第一周边部分和由隔热材料制成的第二周边部分; 和风扇，以使空气流过管道。

公开(公告)号：US20090086340A1

公开(公告)日：2009-04-02

申请号：US12186477

申请日：2008-08-05

Applicant: Haruo SATO

Inventor： Haruo SATO

IPC: G02B9/06

CPC classification number: G02B13/04

Abstract: Providing a large aperture wide-angle lens having high optical performance with sufficiently suppressed spherical aberration and sagittal coma flare, and an imaging apparatus using the lens. The lens including, in order from an object, a first lens group having positive refractive power, and a second lens group having positive refractive power, the second lens group being movable for focusing and including a 21 lens component having positive refractive power, a 22 lens component having negative refractive power, a 23 lens component having positive refractive power, and a 24 lens component having positive refractive power, and given conditions being satisfied.

Abstract translation: 提供具有高光学性能的大孔径广角镜头，并充分抑制球面像差和矢状光晕，以及使用该透镜的成像装置。 所述透镜按照从物体起依次具有正折射光焦度的第一透镜组和具有正折光力的第二透镜组，所述第二透镜组可移动以进行聚焦，并且包括具有正折光力的21透镜部件，22 具有负屈光力的透镜部件，具有正屈光力的23透镜部件和具有正屈光力的24透镜部件，并且满足条件。

公开(公告)号：US20110211263A1

公开(公告)日：2011-09-01

申请号：US13035334

申请日：2011-02-25

Applicant: Haruo SATO ,  Mami Muratani

Inventor： Haruo SATO ,  Mami Muratani

IPC: G02B15/14

CPC classification number: G02B15/173

Abstract: An imaging lens SL mounted in a digital single lens reflex camera 1 is composed of, in order from an object side, a first lens group G1 having negative refractive power, a second lens group G2 having positive refractive power, and a third lens group G3 having positive refractive power, wherein upon focusing on a near-distance object point from an infinite-distance object point, at least one of the first lens group G1 and the second lens group G2 is moved so as to change a distance between the first lens group G1 and the second lens group G2, and the imaging lens satisfies a given conditional expression, thereby providing a downsized imaging lens suited to an imaging apparatus such as a single lens reflex camera, having a less of change in overall length and optimal to driving an intra-lens-barrel motor.

Abstract translation: 安装在数字单镜头反光照相机1中的摄像透镜SL按照从物体侧开始具有负折光力的第一透镜组G1，具有正折光力的第二透镜组G2和第三透镜组G3 具有正的屈光力，其中当从无限远物体点聚焦在近距离物体点上时，第一透镜组G1和第二透镜组G2中的至少一个被移动，以便改变第一透镜 组G1和第二透镜组G2，并且成像透镜满足给定的条件表达式，从而提供适合于诸如单个透镜反射相机的成像装置的小型化成像透镜，其具有较小的总长度变化并且最适于驱动 镜头内镜筒电机。

公开(公告)号：US20110109974A1

公开(公告)日：2011-05-12

申请号：US12917753

申请日：2010-11-02

Applicant: Haruo SATO

Inventor： Haruo SATO

IPC: G02B15/177 ,  G02B13/18 ,  G02B13/04

CPC classification number: G02B13/04 ,  G02B9/62 ,  G02B13/0035 ,  G02B13/18

Abstract: Including: a front lens group Gf disposed to an object side of an aperture stop; and a rear lens group Gr disposed to an image side of the aperture stop; the front lens group including a sub-lens group Ga having negative refractive power, the sub-lens group Ga including, in order from the most object side, at least three negative lenses, at least one of the three negative lens being an aspherical negative meniscus lens, the aspherical negative meniscus lens having a shape that negative refractive power is getting smaller from the center to the periphery, a cemented lens constructed by a positive lens, a negative lens, and a positive lens being disposed to the image side of the sub-lens group Ga, and given conditional expressions being satisfied, thereby providing a wide-angle lens having high optical performance with a wide angle of view.

Abstract translation: 包括：设置在孔径光阑的物体侧的前透镜组Gf; 和设置在孔径光阑的像侧的后透镜组Gr; 所述前透镜组包括具有负折光力的副透镜组Ga，所述副透镜组Ga从最物体侧起依次包括至少三个负透镜，所述三透镜组中的至少一个为非球面负像 弯月透镜，具有负折射力从中心到周围变小的非球面负弯月形透镜，由正透镜，负透镜和正透镜构成的胶合透镜设置在 子透镜组Ga，并且给出条件表达式，从而提供具有广视角的高光学性能的广角镜头。

公开(公告)号：US20100195221A1

公开(公告)日：2010-08-05

申请号：US12695221

申请日：2010-01-28

Applicant: Haruo SATO

Inventor： Haruo SATO

IPC: G02B13/04 ,  G02B13/18

CPC classification number: G02B13/06 ,  G02B9/10 ,  G02B13/18

Abstract: A wide-angle lens includes, in order from an object side, a first lens group G1 having negative refractive power, and a second lens group G2 having positive refractive power. The first lens group includes at least one negative meniscus lens having a convex surface facing the object side. The second lens group includes, in order from the object side, a positive lens, a negative lens and a positive lens. Given conditional expressions are satisfied.

Abstract translation: 广角透镜从物体侧依次包括具有负折光力的第一透镜组G1和具有正折光力的第二透镜组G2。 第一透镜组包括具有朝向物体侧的凸表面的至少一个负弯月形透镜。 第二透镜组从物体侧依次包括正透镜，负透镜和正透镜。 给定条件表达式是满意的。

公开(公告)号：US20090190220A1

公开(公告)日：2009-07-30

申请号：US12328257

申请日：2008-12-04

Applicant: Haruo SATO

Inventor： Haruo SATO

IPC: G02B27/64 ,  G02B9/60

CPC classification number: G02B27/646 ,  G02B13/24 ,  G02B15/173 ,  G03B19/12 ,  G03B2205/0007

Abstract: An imaging lens includes at least a first positive lens group, a first negative lens group that moves during focusing, a second positive lens group that moves during focusing, a second negative lens group that can move in a direction substantially vertical to an optical axis, and a positive lens group, which are disposed in order from an object, wherein a condition of an expression, which is 2.0

Abstract translation: 成像透镜包括至少第一正透镜组，在聚焦期间移动的第一负透镜组，在聚焦期间移动的第二正透镜组，可在基本垂直于光轴的方向上移动的第二负透镜组， 和正透镜组，其中满足表达式为2.0 <（ - f4）/ d34 <20.8的条件，其中f4是第二负透镜组的焦距 （振动组），其可以在基本上垂直于光轴的方向上移动，并且d34是在最接近透镜组的图像设置的透镜表面（第二正面）之间的在无限远聚焦时在光轴上的空气距离 透镜组，在本实施例的情况下），其设置在第二负透镜组的物体侧，该第二负透镜组可沿基本上垂直于光轴的方向移动;以及透镜表面，最靠近该阴性物体设置 e透镜组，其可以在基本上垂直于光轴的方向上移动。