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    • 1. 发明申请
    • ILLUMINATION OPTICAL APPARATUS AND OPTICAL APPARATUS
    • 照明光学装置和光学装置
    • WO2006080534A2
    • 2006-08-03
    • PCT/JP2006301593
    • 2006-01-25
    • OLYMPUS CORPMIZUSAWA MASAYUKI
    • MIZUSAWA MASAYUKI
    • G03F7/20
    • G03F7/7005G03F7/70075
    • There are provided an illumination optical apparatus and an optical apparatus using this illumination optical apparatus that are capable of efficiently collecting light emitted from a light-emitting section for illumination with less illumination nonuniformity, without having to employ a complicated structure. There are provided a light-emitting sections; a lens system for converting a diverging beam emitted from the light-emitting section into a beam of collimated light; an afocal optical system for adjusting the cross-sectional area of a beam of collimated light obtained by the lens array; a fly-eye lens for forming a plurality of light-source images from the collimated light whose cross-sectional area is adjusted by the afocal optical system; and a Koehler illumination optical system that uses the plurality of light-source images formed by the fly-eye lens as a light source.
    • 本发明提供一种使用该照明光学装置的照明光学装置和光学装置,其能够以较少的照明不均匀性有效地收集用于照明的发光部发出的光,而不必使用复杂的结构。 提供发光部分; 用于将从发光部发射的发散光束转换为准直光束的透镜系统; 用于调整由透镜阵列获得的准直光束的横截面积的无焦光学系统; 用于从通过无焦光学系统调整横截面积的准直光形成多个光源图像的飞眼透镜; 以及使用由飞毛眼镜形成的多个光源图像作为光源的科勒照明光学系统。
    • 2. 发明申请
    • ILLUMINATION OPTICAL APPARATUS AND OPTICAL APPARATUS
    • 照明光学装置和光学装置
    • WO2006080534B1
    • 2006-11-09
    • PCT/JP2006301593
    • 2006-01-25
    • OLYMPUS CORPMIZUSAWA MASAYUKI
    • MIZUSAWA MASAYUKI
    • G03F7/20
    • G03F7/7005G03F7/70075
    • There are provided an illumination optical apparatus and an optical apparatus using this illumination optical apparatus that are capable of efficiently collecting light emitted from a light-emitting section (2) for illumination with less illumination nonuniformity, without having to employ a complicated structure. There are provided a light-emitting sections (2) ; a lens system (3) for converting a diverging beam emitted from the light-emitting section into a beam of collimated light; an afocal optical system (4a, 4b)for adjusting the cross-sectional area of a beam of collimated light obtained by the lens array (3) ; a fly-eye lens (6) for forming a plurality of light-source images (I) from the collimated light whose cross-sectional area is adjusted by the afocal optical system; and a Koehler illumination optical system that uses the plurality of light-source images (I) formed by the fly-eye lens (6) as a light source.
    • 提供一种使用该照明光学装置的照明光学装置和光学装置,其能够有效地收集从发光部(2)发出的用于照明不均匀的照明的光,而不必采用复杂的结构。 设置有发光部(2) 用于将从发光部发射的发散光束转换为准直光束的透镜系统(3) 用于调整由透镜阵列(3)获得的准直光束的横截面面积的无焦光学系统(4a,4b); 用于从通过所述远焦光学系统调整其横截面积的准直光形成多个光源图像(I)的飞眼透镜(6); 以及使用由飞毛眼镜片(6)形成的多个光源图像(I)作为光源的科勒照明光学系统。
    • 7. 发明公开
    • OPTICAL SYSTEM
    • 光学系统
    • EP2385407A4
    • 2017-01-11
    • EP10733522
    • 2010-01-21
    • OLYMPUS CORP
    • MIZUSAWA MASAYUKI
    • G02B17/08A61B1/00G02B13/06G02B23/24
    • G02B17/0856A61B1/00096A61B1/00179G02B13/06G02B17/08G02B23/243
    • An optical system for viewing a front object and a generally side object comprises, sequentially from the front object side, a first lens group having a negative refractive index, a second lens group including a reflective-refractive lens, an aperture stop, and a third lens group having a positive refractive index. The reflective-refractive lens is provided with a first surface formed on the front object side, a second surface formed on an image side, and a third surface formed circumferentially to surround an optical axis between the first surface and the second surface. The first surface is provided with a first transmission surface formed around the optical axis, and a first reflection surface that faces the image side and is formed around the first transmission surface. The first surface is defined by an aspherical surface consisting of a concave surface in the vicinity of the optical axis and a convex surface in the vicinity of the first reflection surface. The second surface is provided with a second transmission surface formed around the optical axis and a second reflection surface that faces the front object side and that is formed around the second transmission surface. The third surface is defined by a transmission surface.
    • 8. 发明专利
    • Imaging optical system for endoscopes, and endoscope having the same
    • 用于内窥镜成像的光学系统和具有其的内窥镜
    • JP2012037768A
    • 2012-02-23
    • JP2010178775
    • 2010-08-09
    • Olympus Corpオリンパス株式会社
    • MIZUSAWA MASAYUKI
    • G02B15/15A61B1/00G02B13/04G02B13/18G02B17/08
    • PROBLEM TO BE SOLVED: To provide an imaging optical system for endoscopes capable of changing over between a wide-angle observation state for simultaneously observing an object in front and an object substantially lateral thereto and a telescopic observation state for observing only the object in front and capable of favorably correcting chromatic aberration of magnification in either state.SOLUTION: This imaging optical system comprises: in the order from an object side, a first group 1 consisting of a single lens with a concave facing an image side and having a negative refractive power; a second group having a catadioptric lens and having the negative refractive power; a third group having an aperture stop and having a positive refractive power; and a fourth group having a cemented lens including a positive lens and having the positive refractive power. The third group is moved between two home positions on an optical axis along the optical axis to change over between the wide-angle observation state and the telescopic observation state and satisfy the following conditional expressions: 1
    • 要解决的问题:提供一种能够在用于同时观察前面的物体的大角度观察状态和基本上在其侧面的物体之间切换的内窥镜的成像光学系统和用于仅观察物体的望远观察状态 并且能够有利地校正任一状态下的倍率色像差。 解决方案:该成像光学系统包括:从物体侧起的顺序为由具有面向像侧的凹面并具有负折光力的单个透镜构成的第一组1; 具有反射折射透镜并具有负屈光力的第二组; 具有孔径光阑并具有正折射光焦度的第三组; 以及第四组,其具有包括正透镜并具有正折射光焦度的胶合透镜。 第三组沿着光轴在光轴的两个原位之间移动,以在广角观察状态和望远观察状态之间切换,并满足以下条件表达式:1 <νd 4p /νd 3 <2.4,νd 3 <51,其中νd 4p 是正透镜的阿贝数,νd 3 是第三组的阿贝数。 版权所有(C)2012,JPO&INPIT
    • 9. 发明专利
    • Optical system
    • 光学系统
    • JP2011075916A
    • 2011-04-14
    • JP2009228456
    • 2009-09-30
    • Olympus Corpオリンパス株式会社
    • MIZUSAWA MASAYUKI
    • G02B17/08A61B1/00G02B13/04G02B13/18G02B13/24G02B23/26
    • G02B17/08
    • PROBLEM TO BE SOLVED: To provide an optical system that can manufacture, at low cost, a plurality of optical systems that differ in the observation range of an approximately lateral object side, and enables simultaneous observations of front and approximately lateral objects. SOLUTION: The optical system comprises, in order from a front-object side: a front group Gf which has a reflective refractive optical element and has negative refractive power, an aperture stop S; and a rear group Gr which has positive refractive. The reflective refractive optical element is formed by cementing a first lens and a second lens located on the image side of the first lens. The reflective refractive optical element includes: a first surface, which has a first transmitting surface and a first reflective surface circularly formed around the first transmitting surface to be faced toward an image side, and which is formed on the front-object side of the first lens; a second surface, which has a second transmitting surface and a second reflective surface circularly formed around the second transmitting surface to be faced toward the front-object side, and which is formed on the cemented surfaces of the first and second lenses ; a third surface, which is formed as a transmitting surface on the image side of the second lens; and a fourth surface, which is formed as a transmitting surface on the periphery of the first lens. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种能够以低成本制造在大致侧面物体侧的观察范围不同的多个光学系统的光学系统,并且能够同时观察前侧和近侧面物体。 解决方案:光学系统从前方侧依次包括具有反射折射光学元件并具有负折光力的前组Gf,孔径光阑S; 和具有正折射率的后组Gr。 反射折射光学元件通过胶合第一透镜和位于第一透镜的像侧上的第二透镜而形成。 所述反射型折射型光学元件包括:第一表面,具有第一透光面和第一反射面,所述第一透射面和所述第一反射面围绕所述第一透射面圆周地形成为朝向像侧,并且形成在所述第一透光面的前面物体侧 镜片; 第二表面,其具有第二透射面和第二反射面,所述第二透射面和第二反射面围绕所述第二透射面圆周地形成为朝向所述前物体侧,并且形成在所述第一透镜和所述第二透镜的所述胶结表面上; 第三表面,其形成为第二透镜的像侧上的透射表面; 以及第四表面,其形成为在第一透镜的周边上的透射表面。 版权所有(C)2011,JPO&INPIT
    • 10. 发明专利
    • Optical system
    • 光学系统
    • JP2011048086A
    • 2011-03-10
    • JP2009195743
    • 2009-08-26
    • Olympus Corpオリンパス株式会社
    • MIZUSAWA MASAYUKI
    • G02B15/22A61B1/00G02B13/04G02B13/06G02B13/24G02B17/08G02B23/26
    • PROBLEM TO BE SOLVED: To provide an optical system enabling simultaneous observation of an object in front and an object nearly on the side, and close enlarging observation of the object in front. SOLUTION: The optical system is constituted by arranging a front group including a catadioptric element and having negative refractive power, an aperture stop, and a rear group including a moving lens group moving in a direction along an optical axis and having positive refractive power in order from the side of the object in front. The catadioptric element has a first surface having a first transmission surface formed with an optical axis as center and a first reflection surface formed annularly around the first transmission surface and facing an image side, and formed on the side of the object in front, a second surface having a second transmission surface formed with the optical axis as center and a second reflection surface formed annularly around the second transmission surface and facing the side of the object in front, and formed on the image side, and a third surface formed as a transmission surface between the first surface and the second surface. By moving the moving lens group, the refractive power of the front group and the refractive power of the rear group are relatively changed to enlarge or reduce an area where an image of the object in front is formed in an observation area. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种能够同时观察前方物体和几乎在一侧的物体的光学系统,并且使前面的物体的观察结束。 解决方案:光学系统通过布置包括反折射元件和具有负屈光力的前组,孔径光阑和包括沿着光轴的方向移动并具有正折射率的移动透镜组的后组而构成 权力从前面的物体的一侧依次排列。 反射折射元件具有第一表面,第一表面具有以光轴为中心形成的第一透射面,第一反射面形成为环绕第一透射面并且朝向像侧,并形成在物体的前方, 具有以光轴为中心形成的第二透射面的第二反射面和形成在第二透射面周围的面向物体的前方并形成在像侧的第二反射面,形成为透射体的第三面 第一表面和第二表面之间的表面。 通过移动移动透镜组,前组的屈光力和后组的屈光力相对变化,以扩大或减小在观察区域中形成前方的物体的图像的区域。 版权所有(C)2011,JPO&INPIT