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    • 21. 发明申请
    • Imaging lens
    • 成像镜头
    • US20070229986A1
    • 2007-10-04
    • US11727606
    • 2007-03-27
    • Kenichi SatoMinoru Taniyama
    • Kenichi SatoMinoru Taniyama
    • G02B9/12
    • G02B13/0035G02B9/16G02B13/18G02B13/22
    • An imaging lens comprises, in order from an object side: a first lens having a positive refractive power; a second lens having a negative refractive power whose concave surface faces to the object; and a third lens having a positive refractive power and having a meniscus form that has a convex surface, facing to the object, in a portion at and around an optical axis of the imaging lens; wherein the first, second and third lenses have at least one aspheric surface, and wherein the imaging lens satisfies conditional expressions given below: 0.7
    • 成像透镜从物体侧依次包括具有正折光力的第一透镜; 具有凹面朝向物体的负屈光力的第二透镜; 以及第三透镜,其具有正屈光力并且具有弯月形,其在成像透镜的光轴的周围和周围具有面向物体的凸表面; 其中所述第一,第二和第三透镜具有至少一个非球面,并且其中所述成像透镜满足以下给出的条件表达式:<?in-line-formula description =“In-line Formulas”end =“lead”?> 0.7 < f1 / f <1.3(1)<?in-line-formula description =“在线公式”end =“tail”?> <?in-line-formula description =“In-line Formulas”end =“lead” ?> 0.3 <?in-line-formula description =“In-line Formulas”end =“lead”?> 1.0 <| f2 / f | <3.0(3)<?in-line-formula description =“In-line Formulas”end =“tail”?> <?in-line-formula description = 在线公式“end =”lead“?> 1.2 其中f:焦距 f 1:第一透镜的焦距,f 2:第二透镜的焦距,f 3:第三透镜的焦距,以及D 2:在光轴上的间隔, 在第一透镜和第二透镜之间。
    • 25. 发明申请
    • IMAGING LENS, CAMERA MODULE, AND PORTABLE TERMINAL APPARATUS
    • 成像镜头,相机模块和便携式终端设备
    • US20080239510A1
    • 2008-10-02
    • US12032483
    • 2008-02-15
    • Kenichi SatoMinoru Taniyama
    • Kenichi SatoMinoru Taniyama
    • G02B13/18
    • G02B13/0035G02B9/16G02B13/18
    • An imaging lens comprises, in order from an object side: a first lens having a positive refractive power and a meniscus shape and having a convex surface directed to the object side; a second lens having a negative refractive power in the vicinity of an optical axis of the imaging lens; and a third lens having a positive refractive power in the vicinity of the optical axis, wherein at least one surface of each of the second lens and the third lens is an aspheric surface; and the imaging lens satisfies the following conditional expression expressions: 0.7
    • 成像透镜从物体侧依次包括具有正折射力和弯月形状并且具有指向物侧的凸面的第一透镜; 在成像透镜的光轴附近具有负折射力的第二透镜; 以及在所述光轴附近具有正折光力的第三透镜,其中,所述第二透镜和所述第三透镜中的每一个的至少一个表面是非球面; 并且成像透镜满足以下条件表达式:<?in-line-formula description =“In-line formula”end =“lead”?> 0.7 <| f1 / f | <0.8(1)<? -formulae description =“In-line Formulas”end =“tail”?> <?in-line-formula description =“In-line Formulas”end =“lead”?> 0.3 <| f2 / f | <0.8(2 )<?in-line-formula description =“In-line Formulas”end =“tail”?> <?in-line-formula description =“In-line Formulas”end =“lead”?> 75 << SUB> ?= d> = = <<<<<<<<<<<<<<<<“”“”“”“”“”“”“”“?”“”“?”“ “in-line formula”end =“lead”?> TL / 2Y <0.9(4)<?in-line-formula description =“In-line Formulas”end =“tail”?>其中f: 成像镜头; f 1:第一透镜的焦距; f 2:第二透镜的焦距; 第一透镜的阿贝数为d线; TL:第一透镜的物体侧表面与成像透镜的图像形成位置之间的长度; Y:最大图像高度。
    • 26. 发明申请
    • IMAGING LENS
    • 成像镜头
    • US20080180817A1
    • 2008-07-31
    • US11932081
    • 2007-10-31
    • Minoru Taniyama
    • Minoru Taniyama
    • G02B9/34
    • G02B13/004G02B9/34
    • An imaging lens is provided and includes: in order from an object side of the imaging lens, a first lens having a convex surface on the object side and having a positive power; a second lens having a concave surface on the object side and having a negative power; a third lens having a positive power; and a fourth lens having a convex surface on the object side near a paraxial axis and having a meniscus shape. The imaging lens satisfies conditional expressions specified in the specification.
    • 提供了一种成像透镜,包括:从成像透镜的物体侧起依次具有在物体侧具有凸面并具有正光焦度的第一透镜; 在物体侧具有凹面并具有负电力的第二透镜; 具有正功率的第三透镜; 以及第四透镜,其在靠近近轴的物体侧具有凸面,并且具有弯月面形状。 成像透镜满足本说明书中规定的条件式。
    • 27. 发明授权
    • Imaging lens
    • 成像镜头
    • US07375903B2
    • 2008-05-20
    • US11812064
    • 2007-06-14
    • Minoru Taniyama
    • Minoru Taniyama
    • G02B13/18G02B9/34
    • G02B13/004G02B9/34
    • An imaging lens is provided and includes: in order from the object side, a first lens having a convex surface on the object side and having a positive power; an aperture diaphragm; a second lens having a concave surface on the object side and having a negative power; a third lens having a positive power; and a fourth lens having a convex surface on the object side near the optical axis, the fourth lens having a meniscus shape. The imaging lens satisfies conditional expressions: 0.2
    • 提供了一种成像透镜,包括:从物体侧起依次具有在物体侧具有凸面并且具有正光焦度的第一透镜; 孔径光阑; 在物体侧具有凹面并具有负电力的第二透镜; 具有正功率的第三透镜; 以及第四透镜,其在所述物体侧具有靠近所述光轴的凸面,所述第四透镜具有弯液面形状。 成像透镜满足条件表达式:<?in-line-formula description =“In-line formula”end =“lead”?> 0.2 <?in-line-formula description =”In-line Formulas“end =”lead“?> TL / f <1.3(2)<? =“内联公式”end =“tail”?>其中f表示成像透镜的焦距; D 2表示沿着成像透镜的光轴的第一透镜和第二透镜之间的空气间隔; 并且TL表示从第一透镜的物体侧表面到图像形成表面的距离(沿着光轴)。
    • 28. 发明授权
    • Imaging lens
    • 成像镜头
    • US07342729B2
    • 2008-03-11
    • US11727606
    • 2007-03-27
    • Kenichi SatoMinoru Taniyama
    • Kenichi SatoMinoru Taniyama
    • G02B13/04G02B13/18
    • G02B13/0035G02B9/16G02B13/18G02B13/22
    • An imaging lens comprises, in order from an object side: a first lens having a positive refractive power; a second lens having a negative refractive power whose concave surface faces to the object; and a third lens having a positive refractive power and having a meniscus form that has a convex surface, facing to the object, in a portion at and around an optical axis of the imaging lens; wherein the first, second and third lenses have at least one aspheric surface, and wherein the imaging lens satisfies conditional expressions given below: 0.7
    • 成像透镜从物体侧依次包括具有正折光力的第一透镜; 具有凹面朝向物体的负屈光力的第二透镜; 以及第三透镜,其具有正屈光力并且具有弯月形,其在成像透镜的光轴的周围和周围具有面向物体的凸表面; 其中所述第一,第二和第三透镜具有至少一个非球面,并且其中所述成像透镜满足以下给出的条件表达式:<?in-line-formula description =“In-line Formulas”end =“lead”?> 0.7 < f1 / f <1.3(1)<?in-line-formula description =“在线公式”end =“tail”?> <?in-line-formula description =“In-line Formulas”end =“lead” ?> 0.3 <?in-line-formula description =“In-line Formulas”end =“lead”?> 1.0 <| f2 / f | <3.0(3)<?in-line-formula description =“In-line Formulas”end =“tail”?> <?in-line-formula description = 在线公式“end =”lead“?> 1.2 其中f:焦距 f 1:第一透镜的焦距,f 2:第二透镜的焦距,f 3:第三透镜的焦距,以及D 2:在光轴上的间隔, 在第一透镜和第二透镜之间。
    • 29. 发明授权
    • Method for measuring gradient index distribution of rod lens
    • 棒状透镜坡度指数分布测量方法
    • US06919953B2
    • 2005-07-19
    • US10067858
    • 2002-02-08
    • Shigeo KittakaMinoru Taniyama
    • Shigeo KittakaMinoru Taniyama
    • G01M11/02G02B3/00G01B9/00G01N21/41
    • G01M11/0228G02B3/0087
    • A method of measuring a radial index distribution of a rod lens has the steps: (1) the rod lens is processed so that the length is approximately P/2 (where P is pitch length) or an integer multiple thereof and so end surfaces parallel, (2) a patterned surface is set as an object surface in the proximity of one end surface, and an image surface is formed in the proximity of the other end surface by irradiating the patterned surface with condensed monochromatic light, (3) the positions of paraxial focal points and the curves of curvature of field are obtained by observing the image surface, and (4) higher-order index distribution coefficients are calculated back by a fitting process on the basis of the positions of paraxial focal points and the curves of curvature of field.
    • 测量棒状透镜的径向折射率分布的方法具有以下步骤:(1)棒状透镜被加工成长度近似为P / 2(其中P为节距长度)或其整数倍,因此端面平行 ,(2)将图案化表面设置为在一个端面附近的物体表面,并且通过用聚光单色光照射图案化表面,在另一端面附近形成图像表面,(3)位置 通过观察图像表面获得近轴焦点和曲率曲线,(4)通过拟合过程根据近轴焦点位置和曲线的曲线计算高阶折射率分布系数 曲率场。
    • 30. 发明授权
    • Screw compressor
    • 螺杆压缩机
    • US06679689B2
    • 2004-01-20
    • US09725907
    • 2000-11-30
    • Kazuki TakahashiSeiji TsuruMinoru TaniyamaHaruo Miura
    • Kazuki TakahashiSeiji TsuruMinoru TaniyamaHaruo Miura
    • F03C200
    • F04C29/04F04C23/00F04C23/001F04C29/005F04C29/023Y10T137/2521Y10T137/86381
    • A package-type screw compressor includes a low-pressure stage state compressor and a high-pressure stage compressor. Motive power is transmitted from an electric motor to the two compressors via a speed increaser. The discharge gas, compressed and heated to a high temperature by the low-pressure stage compressor, is cooled by an intercooler. The discharge gas, compressed and heated to a high temperature by the high-pressure stage compressor, is cooled by an aftercooler. A casing of the intercooler and that of the aftercooler are formed integrally with a speed increaser casing, reducing the number of component parts. A cooler portion, formed by the intercooler and the aftercooler, is spaced from the speed increaser casing, thereby preventing heat, produced by the compressed air, from being transmitted to the speed increaser casing.
    • 包装式螺杆压缩机包括低压级状态压缩机和高压级压缩机。 动力通过增速器从电动机传递到两台压缩机。 通过低压级压缩机压缩并加热到高温的放电气体被中间冷却器冷却。 通过高压级压缩机压缩并加热到高温的放电气体由后冷却器冷却。 中间冷却器和后冷器的壳体与增速器壳体一体地形成,减少了部件的数量。 由中间冷却器和后冷却器形成的冷却器部分与增速器壳体间隔开,从而防止由压缩空气产生的热量传递到增速器壳体。