公开(公告)号：US07450320B2

公开(公告)日：2008-11-11

申请号：US11830178

申请日：2007-07-30

申请人： Yi-Hao Kang ,  Chien-Hsiung Tseng ,  Yu-Hung Chou

发明人： Yi-Hao Kang ,  Chien-Hsiung Tseng ,  Yu-Hung Chou

IPC分类号： G02B15/14

CPC分类号： G02B15/177

摘要： A zoom lens includes a first lens group with a negative refractive power and a second lens group with a positive refractive power, wherein the second lens group is disposed between the first lens group and an image side, and the first lens group and the second lens group are suitable for moving between an object side and the image side. In addition, the first lens group includes a first lens with a negative refractive power, and the first lens is a meniscus lens with a convex surface facing the object side and has an Abbe number greater than 50. A focal length of the zoom lens is F, a focal length of the first lens group is F1, a curvature radius of a surface facing the second lens group of the first lens is R2, and −0.6

摘要翻译： 变焦透镜包括具有负屈光力的第一透镜组和具有正折光力的第二透镜组，其中第二透镜组设置在第一透镜组和像侧之间，并且第一透镜组和第二透镜 组适合于在物体侧和像侧之间移动。 此外，第一透镜组包括具有负屈光力的第一透镜，并且第一透镜是具有面向物体侧的凸表面并且具有大于50的阿贝数的弯月形透镜。变焦透镜的焦距为 F，第一透镜组的焦距为F1，与第一透镜的第二透镜组相对的表面的曲率半径为R2，-0.6

公开(公告)号：US20080094727A1

公开(公告)日：2008-04-24

申请号：US11830178

申请日：2007-07-30

申请人： Yi-Hao Kang ,  Chien-Hsiung Tseng ,  Yu-Hung Chou

发明人： Yi-Hao Kang ,  Chien-Hsiung Tseng ,  Yu-Hung Chou

IPC分类号： G02B15/14

CPC分类号： G02B15/177

摘要： A zoom lens includes a first lens group with a negative refractive power and a second lens group with a positive refractive power, wherein the second lens group is disposed between the first lens group and an image side, and the first lens group and the second lens group are suitable for moving between an object side and the image side. In addition, the first lens group includes a first lens with a negative refractive power, and the first lens is a meniscus lens with a convex surface facing the object side and has an Abbe number greater than 50. A focal length of the zoom lens is F, a focal length of the first lens group is F1, a curvature radius of a surface facing the second lens group of the first lens is R2, and −0.6

摘要翻译： 变焦透镜包括具有负屈光力的第一透镜组和具有正折光力的第二透镜组，其中第二透镜组设置在第一透镜组和像侧之间，并且第一透镜组和第二透镜 组适合于在物体侧和像侧之间移动。 此外，第一透镜组包括具有负屈光力的第一透镜，并且第一透镜是具有面向物体侧的凸表面并且具有大于50的阿贝数的弯月形透镜。变焦透镜的焦距为 F，第一透镜组的焦距为F1，与第一透镜的第二透镜组相对的表面的曲率半径为R2，-0.6

公开(公告)号：US20100265596A1

公开(公告)日：2010-10-21

申请号：US12702003

申请日：2010-02-08

申请人： Yuan-Hung Su ,  Chien-Hsiung Tseng ,  Yi-Hao Kang

发明人： Yuan-Hung Su ,  Chien-Hsiung Tseng ,  Yi-Hao Kang

IPC分类号： G02B13/18

CPC分类号： G02B13/18

摘要： A fixed-focus lens including a first lens group and a second lens group is provided. The first lens group is disposed between a magnified side and a reduced side and includes a first lens and a second lens arranged in sequence from the magnified side to the reduced side. The refractive powers of both the first lens and the second lens are negative, and the first lens is an aspheric lens. The second lens group is disposed between the first lens group and the reduced side and includes a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens, an eighth lens, and a ninth lens arranged in sequence from the magnified side to the reduced side. The refractive powers of the seven lenses from the third lens to the ninth lens are respectively positive, negative, positive, negative, positive, negative, and positive in sequence.

摘要翻译： 提供了包括第一透镜组和第二透镜组的固定焦点透镜。 第一透镜组设置在放大侧和缩小侧之间，并且包括从放大侧到缩小侧依次布置的第一透镜和第二透镜。 第一透镜和第二透镜的折射力为负，第一透镜为非球面透镜。 第二透镜组设置在第一透镜组和缩小侧之间，并且包括第三透镜，第四透镜，第五透镜，第六透镜，第七透镜，第八透镜和第九透镜， 放大边到减边。 从第三透镜到第九透镜的七个透镜的折射力依次分别为正，负，正，负，正，负和正。

公开(公告)号：US07859770B2

公开(公告)日：2010-12-28

申请号：US12702003

申请日：2010-02-08

申请人： Yuan-Hung Su ,  Chien-Hsiung Tseng ,  Yi-Hao Kang

发明人： Yuan-Hung Su ,  Chien-Hsiung Tseng ,  Yi-Hao Kang

IPC分类号： G02B13/04 ,  G02B13/18

CPC分类号： G02B13/18

摘要： A fixed-focus lens including a first lens group and a second lens group is provided. The first lens group is disposed between a magnified side and a reduced side and includes a first lens and a second lens arranged in sequence from the magnified side to the reduced side. The refractive powers of both the first lens and the second lens are negative, and the first lens is an aspheric lens. The second lens group is disposed between the first lens group and the reduced side and includes a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens, an eighth lens, and a ninth lens arranged in sequence from the magnified side to the reduced side. The refractive powers of the seven lenses from the third lens to the ninth lens are respectively positive, negative, positive, negative, positive, negative, and positive in sequence.

摘要翻译： 提供了包括第一透镜组和第二透镜组的固定焦点透镜。 第一透镜组设置在放大侧和缩小侧之间，并且包括从放大侧到缩小侧依次布置的第一透镜和第二透镜。 第一透镜和第二透镜的折射力为负，第一透镜为非球面透镜。 第二透镜组设置在第一透镜组和缩小侧之间，并且包括第三透镜，第四透镜，第五透镜，第六透镜，第七透镜，第八透镜和第九透镜， 放大边到减边。 从第三透镜到第九透镜的七个透镜的折射力依次分别为正，负，正，负，正，负和正。

公开(公告)号：US20100232038A1

公开(公告)日：2010-09-16

申请号：US12643550

申请日：2009-12-21

申请人： Yi-Hao Kang ,  Yuan-Hung Su

发明人： Yi-Hao Kang ,  Yuan-Hung Su

IPC分类号： G02B17/08

CPC分类号： G02B17/08 ,  G02B13/06 ,  G02B13/16 ,  G02B17/0852

摘要： A fixed-focus lens adapted to be disposed between a primary image side and a second image side is provided. The fixed-focus lens includes a second lens group, a first lens group, and a curved reflector arranged in sequence from the primary image side to the second image side. The second lens group includes a first lens, a second lens, and a third lens arranged in sequence from the primary image side to the second image side. The first lens and the third lens have positive refractive powers and each of the first lens, the second lens, and the third lens is a spherical lens.

摘要翻译： 提供了适于设置在主像侧和第二像侧之间的固定焦点透镜。 固定焦点透镜包括从主像侧到第二像侧依次布置的第二透镜组，第一透镜组和弯曲反射器。 第二透镜组包括从主像侧到第二像侧依次布置的第一透镜，第二透镜和第三透镜。 第一透镜和第三透镜具有正折射力，并且第一透镜，第二透镜和第三透镜中的每一个是球面透镜。

公开(公告)号：US07551363B2

公开(公告)日：2009-06-23

申请号：US12053266

申请日：2008-03-21

申请人： Yi-Hao Kang ,  Hsin-Te Chen

发明人： Yi-Hao Kang ,  Hsin-Te Chen

IPC分类号： G02B3/00 ,  G02B13/04 ,  G02B3/02

CPC分类号： G02B13/16 ,  G02B9/12 ,  G02B13/18

摘要： A fixed-focus lens including a first lens group, a second lens group and a third lens group which are arranged in sequence from an object side to an image side is provided. The first lens group has a negative refractive power and includes a first lens and a second lens arranged in sequence from the object side to the image side, and both having negative refractive powers. The first lens is an aspheric lens. The second lens group has a positive refractive power and includes a lens with positive refractive power. The third lens group has a positive refractive power and includes at least one first cemented lens. The fixed-focus lens satisfies 1.2

摘要翻译： 提供了包括从物体侧到像侧依次布置的第一透镜组，第二透镜组和第三透镜组的固定焦点透镜。 第一透镜组具有负屈光力，并且包括从物体侧到像侧依次排列的第一透镜和第二透镜，并且具有负折射力。 第一透镜是非球面透镜。 第二透镜组具有正折光力并且包括具有正屈光力的透镜。 第三透镜组具有正屈光力并且包括至少一个第一胶合透镜。 固定焦距透镜满足1.2 <| fG1 / f | <4.2和2.8 <| fL2 / f | <8.6，其中f，fG1和fL2是固定焦点透镜，第一透镜组和第二透镜组的有效焦距 镜头。

公开(公告)号：US07505209B2

公开(公告)日：2009-03-17

申请号：US11684798

申请日：2007-03-12

申请人： Yi-Hao Kang ,  Chao-Yi Yeh

发明人： Yi-Hao Kang ,  Chao-Yi Yeh

IPC分类号： G02B3/00 ,  G02B9/00 ,  G02B13/04

CPC分类号： G02B13/06

摘要： A fixed-focus lens suitable for projecting an image beam from a light valve onto a screen is provided. The fixed-focus lens comprises a first lens group, a second lens group, and a third lens group arranged in sequence. The third lens group is disposed near the light valve. The first lens group having a negative refractive power comprises at least an aspheric lens. The second lens group having a positive refractive power comprises at least a lens. The third lens group having a positive refractive power comprises at least four lenses.

摘要翻译： 提供了一种适用于将图像光束从光阀投影到屏幕上的固定焦距透镜。 固定焦点透镜包括依次布置的第一透镜组，第二透镜组和第三透镜组。 第三透镜组设置在光阀附近。 具有负屈光力的第一透镜组包括至少一个非球面透镜。 具有正屈光力的第二透镜组至少包括透镜。 具有正屈光力的第三透镜组包括至少四个透镜。

公开(公告)号：US08089706B2

公开(公告)日：2012-01-03

申请号：US12968549

申请日：2010-12-15

申请人： Yi-Hao Kang ,  Yuan-Hung Su

发明人： Yi-Hao Kang ,  Yuan-Hung Su

IPC分类号： G02B17/00

CPC分类号： G02B5/10 ,  G02B17/08 ,  G02B27/0025

摘要： A fixed-focus lens disposed between a magnified side and a minified side. The fixed-focus lens has an optical axis and includes a reflective system and a refractive system. The reflective system includes a reflection mirror with a negative refractive power. The refractive system is disposed between the reflection mirror and the minified side and includes a first lens group and a second lens group. The first lens group has a positive refractive power. The second lens group is disposed between the first lens group and the minified side, and has a positive refractive power. The fixed-focus lens satisfies F/H>0.23, where F is an effective focal length and H is an image height.

摘要翻译： 设置在放大侧和最小侧的固定焦点透镜。 固定焦点透镜具有光轴并且包括反射系统和折射系统。 反射系统包括具有负屈光力的反射镜。 折射系统设置在反射镜和最小化侧之间，并且包括第一透镜组和第二透镜组。 第一透镜组具有正的屈光力。 第二透镜组设置在第一透镜组和最小化侧之间，并且具有正的折光力。 固定焦距透镜满足F / H> 0.23，其中F是有效焦距，H是图像高度。

公开(公告)号：US20110194188A1

公开(公告)日：2011-08-11

申请号：US12703511

申请日：2010-02-10

申请人： Yuan-Hung Su ,  Yi-Hao Kang

发明人： Yuan-Hung Su ,  Yi-Hao Kang

IPC分类号： G02B15/14 ,  G02B3/00

CPC分类号： G02B15/177

摘要： A zoom lens includes a first lens group, a second lens group, a third lens group, and a fourth lens group. The first lens group including three lenses is disposed between a magnified side and an reduced side, and the first lens group has a negative refractive power. The second lens group including two lenses is disposed between the first lens group and the reduced side, and the second lens group has a positive refractive power. The third lens group including one lens is disposed between the second lens group and the reduced side, and the third lens group has a positive refractive power. The fourth lens group including seven lenses is disposed between the third lens group and the reduced side, and the fourth lens group has a positive refractive power.

摘要翻译： 变焦镜头包括第一透镜组，第二透镜组，第三透镜​​组和第四透镜组。 包括三个透镜的第一透镜组设置在放大侧和缩小侧之间，并且第一透镜组具有负折射光焦度。 包括两个透镜的第二透镜组设置在第一透镜组和缩小侧之间，并且第二透镜组具有正折射光焦度。 包括一个透镜的第三透镜组设置在第二透镜组和缩小侧之间，并且第三透镜组具有正折光力。 包括七个透镜的第四透镜组设置在第三透镜组和缩小侧之间，并且第四透镜组具有正折射光焦度。

公开(公告)号：US07423819B1

公开(公告)日：2008-09-09

申请号：US11969661

申请日：2008-01-04

申请人： Fu-Ming Chuang ,  Yi-Hao Kang ,  Hsin-Te Chen ,  Yun-Chin Liang

发明人： Fu-Ming Chuang ,  Yi-Hao Kang ,  Hsin-Te Chen ,  Yun-Chin Liang

IPC分类号： G02B13/04

CPC分类号： G02B7/04 ,  G02B13/18

摘要： A fixed-focus lens including a first lens group, a second lens group, and a third lens group is provided. The first lens group has a negative refractive power, includes a plurality of lenses, and is disposed between an object side and an image side. The lenses of the first lens group include at least one aspheric lens. The second lens group is disposed between the first lens group and the image side and has a positive refractive power. The third lens group is disposed between the second lens group and the image side and has a positive refractive power. The third lens group includes a first triple cemented lens and a second triple cemented lens arranged from the object side to the image side in sequence.

摘要翻译： 提供了包括第一透镜组，第二透镜组和第三透镜组的固定焦点透镜。 第一透镜组具有负屈光力，包括多个透镜，并且设置在物体侧和像侧之间。 第一透镜组的透镜包括至少一个非球面透镜。 第二透镜组设置在第一透镜组和像侧之间并且具有正折光力。 第三透镜组设置在第二透镜组和像侧之间并且具有正折光力。 第三透镜组包括从物体侧到像侧依次布置的第一三重胶合透镜和第二三重胶合透镜。