-
公开(公告)号:US07660050B2
公开(公告)日:2010-02-09
申请号:US12032483
申请日:2008-02-15
申请人: Kenichi Sato , Minoru Taniyama
发明人: Kenichi Sato , Minoru Taniyama
CPC分类号: G02B13/0035 , G02B9/16 , G02B13/18
摘要: 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
摘要翻译: 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:0.7
-
公开(公告)号:US20070229981A1
公开(公告)日:2007-10-04
申请号:US11727574
申请日:2007-03-27
申请人: Kenichi Sato , Minoru Taniyama
发明人: Kenichi Sato , Minoru Taniyama
IPC分类号: G02B13/18
CPC分类号: G02B13/18 , G02B9/16 , G02B13/0035
摘要: 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
摘要翻译: 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 =“In-line Formulas”end =“tail”?> <?in-line-formula description =“In-line Formulas”end =“lead” ?> 0.2
<?in-line-formula description =“In-line Formulas”end =“lead”?> 0.3 <| f2 / f | <0.8(3)<?in-line-formula description =“In-line Formulas”end =“tail”?> <?in-line-formula description =“ 在线公式“end =”lead“?> 0.5 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。 -
公开(公告)号:USRE42642E1
公开(公告)日:2011-08-23
申请号:US12397270
申请日:2009-03-03
申请人: Kenichi Sato , Minoru Taniyama
发明人: Kenichi Sato , Minoru Taniyama
CPC分类号: G02B13/0035 , G02B9/16 , G02B13/18 , G02B13/22
摘要: 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
摘要翻译: 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:0.7
-
公开(公告)号:US07595939B2
公开(公告)日:2009-09-29
申请号:US11730105
申请日:2007-03-29
申请人: Kenichi Sato , Minoru Taniyama
发明人: Kenichi Sato , Minoru Taniyama
IPC分类号: G08B9/14
CPC分类号: G02B13/0035 , G02B9/12 , G02B9/16
摘要: An imaging lens includes first to third lenses G1 to G3 arranged in order from a object side. The first lens has a biconvex shape in a vicinity of an optical axis Z1. The second lens has a concave surface facing a object side. The second lens has a negative refractive power. The third lens has a positive or negative refractive power and has a meniscus shape containing, in a vicinity of the optical axis, a convex surface facing the object side. The following conditional expression is satisfied: 0.7
摘要翻译: 成像透镜包括从物体侧依次布置的第一至第三透镜G1至G3。 第一透镜在光轴Z1附近具有双凸形状。 第二透镜具有面向物体侧的凹面。 第二透镜具有负折光力。 第三透镜具有正或负折射光焦度,并且具有弯月面形状,其在光轴附近包含面向物体侧的凸面。 满足以下条件表达式:<?in-line-formula description =“In-line Formulas”end =“lead”?> 0.7
<?in-line-formula description =”In-line Formulas“end =”lead“?> 0.2 <= D2 / f <0.5 <?in-line-formula description = 线公式“end =”tail“?>其中f表示成像透镜的整个系统的焦距,f1表示第一透镜G1的焦距,D2表示第一透镜G1之间的光轴Z1上的间隔 和第二透镜G2。 -
公开(公告)号:US20080291551A1
公开(公告)日:2008-11-27
申请号:US12058291
申请日:2008-03-28
申请人: Kenichi SATO , Minoru Taniyama
发明人: Kenichi SATO , Minoru Taniyama
IPC分类号: G02B13/18
CPC分类号: G02B13/0035 , G02B13/16 , G02B13/18
摘要: An imaging lens includes, in order from an object side, a first lens having a positive refractive power and having a meniscus shape with a convex surface directed to the object side thereof, a second lens having a concave object-side surface and a third lens having a negative refractive power in a vicinity of an optical axis. Each of the second and third lenses has at least one aspheric surface. The following conditional expressions are satisfied: 0.8
摘要翻译: 成像透镜从物体依次包括具有正折光力并且具有朝向其物体侧的凸面的弯月形状的第一透镜,具有凹面物侧表面的第二透镜和第三透镜 在光轴附近具有负折射力。 第二和第三透镜中的每一个具有至少一个非球面。 满足以下条件表达式:<?in-line-formula description =“In-line formula”end =“lead”?> 0.8
<?in-line-formula description =”In-line Formulas“end =”lead“?> 11 <| f2 / f | (2)<?in-line-formula description =“In-line Formulas”end =“tail”?> <?in-line-formula description =“In-line Formulas”end =“lead”?> 0.04 <?in-line-formula description =“In-line Formulas”end =“lead”? > TL / 2Y <0.9(4)<?in-line-formula description =“In-line Formulas”end =“tail”?>其中SA表示第二透镜的物体侧表面的下垂量 主光线通过最大图像高度的位置,Y表示最大图像高度,TL表示从第一透镜的物体侧表面到图像形成位置的距离。 -
公开(公告)号:US20070229988A1
公开(公告)日:2007-10-04
申请号:US11730105
申请日:2007-03-29
申请人: Kenichi Sato , Minoru Taniyama
发明人: Kenichi Sato , Minoru Taniyama
IPC分类号: G02B9/14
CPC分类号: G02B13/0035 , G02B9/12 , G02B9/16
摘要: An imaging lens includes first to third lenses G1 to G3 arranged in order from a object side. The first lens has a biconvex shape in a vicinity of an optical axis Z1. The second lens has a concave surface facing a object side. The second lens has a negative refractive power. The third lens has a positive or negative refractive power and has a meniscus shape containing, in a vicinity of the optical axis, a convex surface facing the object side. The following conditional expression is satisfied: 0.7
摘要翻译: 成像透镜包括从物体侧依次布置的第一至第三透镜G 1至G 3。 第一透镜在光轴Z 1附近具有双凸形状。 第二透镜具有面向物体侧的凹面。 第二透镜具有负折光力。 第三透镜具有正或负折射光焦度,并且具有弯月面形状,其在光轴附近包含面向物体侧的凸面。 满足以下条件表达式:<?in-line-formula description =“In-line Formulas”end =“lead”?> 0.7
<?in-line-formula description =”In-line Formulas“end =”lead“?> 0.2 其中f表示成像透镜的整个系统的焦距,f 1表示第一透镜G 1的焦距,D 2表示第一透镜G 1的光轴Z 1之间的间隔 第一透镜G 1和第二透镜G 2。 -
公开(公告)号:US20070229986A1
公开(公告)日:2007-10-04
申请号:US11727606
申请日:2007-03-27
申请人: Kenichi Sato , Minoru Taniyama
发明人: Kenichi Sato , Minoru Taniyama
IPC分类号: G02B9/12
CPC分类号: G02B13/0035 , G02B9/16 , G02B13/18 , G02B13/22
摘要: 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
摘要翻译: 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。 -
公开(公告)号:US20080239510A1
公开(公告)日:2008-10-02
申请号:US12032483
申请日:2008-02-15
申请人: Kenichi Sato , Minoru Taniyama
发明人: Kenichi Sato , Minoru Taniyama
IPC分类号: G02B13/18
CPC分类号: G02B13/0035 , G02B9/16 , G02B13/18
摘要: 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
摘要翻译: 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。
-
公开(公告)号:US07342729B2
公开(公告)日:2008-03-11
申请号:US11727606
申请日:2007-03-27
申请人: Kenichi Sato , Minoru Taniyama
发明人: Kenichi Sato , Minoru Taniyama
CPC分类号: G02B13/0035 , G02B9/16 , G02B13/18 , G02B13/22
摘要: 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
摘要翻译: 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。 -
公开(公告)号:US07742238B2
公开(公告)日:2010-06-22
申请号:US12058291
申请日:2008-03-28
申请人: Kenichi Sato , Minoru Taniyama
发明人: Kenichi Sato , Minoru Taniyama
IPC分类号: G02B3/02
CPC分类号: G02B13/0035 , G02B13/16 , G02B13/18
摘要: An imaging lens includes, in order from an object side, a first lens having a positive refractive power and having a meniscus shape with a convex surface directed to the object side thereof, a second lens having a concave object-side surface and a third lens having a negative refractive power in a vicinity of an optical axis. Each of the second and third lenses has at least one aspheric surface. The following conditional expressions are satisfied: 0.8
摘要翻译: 成像透镜从物体依次包括具有正折光力并且具有朝向其物体侧的凸面的弯月形状的第一透镜,具有凹面物侧表面的第二透镜和第三透镜 在光轴附近具有负折射力。 第二和第三透镜中的每一个具有至少一个非球面。 满足以下条件表达式:0.8
-
-
-
-
-
-
-
-
-