Projection Lens
    1.
    发明申请
    Projection Lens 有权
    投影镜头

    公开(公告)号:US20100039711A1

    公开(公告)日:2010-02-18

    申请号:US12509480

    申请日:2009-07-26

    IPC分类号: G02B13/18

    CPC分类号: G02B13/16

    摘要: A projection lens includes a first lens group with a negative refractive power, a second lens group with a negative refractive power, and a third lens group with a positive refractive power, wherein the second lens group is disposed between the first lens group and the third lens group. The first lens group includes an aspheric lens. The second lens group includes a first lens and a second lens. The third lens group includes a third lens, a forth lens, a fifth lens, a sixth lens, a seventh lens, an eighth lens, a ninth lens, a tenth lens, an eleventh lens, and a twelfth lens.

    摘要翻译: 投影透镜包括具有负折光力的第一透镜组,具有负折光力的第二透镜组和具有正折光力的第三透镜组,其中第二透镜组设置在第一透镜组和第三透镜组之间 镜头组。 第一透镜组包括非球面透镜。 第二透镜组包括第一透镜和第二透镜。 第三透镜组包括第三透镜,第四透镜,第五透镜,第六透镜,第七透镜,第八透镜,第九透镜,第十透镜,第十一透镜和第十二透镜。

    Projection lens
    2.
    发明授权
    Projection lens 有权
    投影镜头

    公开(公告)号:US07952817B2

    公开(公告)日:2011-05-31

    申请号:US12509480

    申请日:2009-07-26

    IPC分类号: G02B13/04 G02B15/14

    CPC分类号: G02B13/16

    摘要: A projection lens includes a first lens group with a negative refractive power, a second lens group with a negative refractive power, and a third lens group with a positive refractive power, wherein the second lens group is disposed between the first lens group and the third lens group. The first lens group includes an aspheric lens. The second lens group includes a first lens and a second lens. The third lens group includes a third lens, a forth lens, a fifth lens, a sixth lens, a seventh lens, an eighth lens, a ninth lens, a tenth lens, an eleventh lens, and a twelfth lens.

    摘要翻译: 投影透镜包括具有负折光力的第一透镜组,具有负折光力的第二透镜组和具有正折光力的第三透镜组,其中第二透镜组设置在第一透镜组和第三透镜组之间 镜头组。 第一透镜组包括非球面透镜。 第二透镜组包括第一透镜和第二透镜。 第三透镜组包括第三透镜,第四透镜,第五透镜,第六透镜,第七透镜,第八透镜,第九透镜,第十透镜,第十一透镜和第十二透镜。

    FIXED-FOCUS LENS
    3.
    发明申请
    FIXED-FOCUS LENS 有权
    固定镜片

    公开(公告)号:US20100232038A1

    公开(公告)日:2010-09-16

    申请号:US12643550

    申请日:2009-12-21

    IPC分类号: G02B17/08

    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。

    Fixed-focus lens
    4.
    发明授权
    Fixed-focus lens 有权
    定焦镜头

    公开(公告)号:US08089706B2

    公开(公告)日:2012-01-03

    申请号:US12968549

    申请日:2010-12-15

    IPC分类号: G02B17/00

    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。

    ZOOM LENS
    5.
    发明申请
    ZOOM LENS 有权
    变焦镜头

    公开(公告)号:US20110194188A1

    公开(公告)日:2011-08-11

    申请号:US12703511

    申请日:2010-02-10

    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。

    FIXED-FOCUS LENS
    6.
    发明申请
    FIXED-FOCUS LENS 有权
    固定镜片

    公开(公告)号:US20100265596A1

    公开(公告)日:2010-10-21

    申请号:US12702003

    申请日:2010-02-08

    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。

    Projection lens and projection apparatus
    7.
    发明授权
    Projection lens and projection apparatus 有权
    投影镜头和投影仪

    公开(公告)号:US08675292B2

    公开(公告)日:2014-03-18

    申请号:US13273210

    申请日:2011-10-13

    IPC分类号: G02B13/16

    摘要: A projection lens for projecting an image beam is provided. The image beam is converted by a light valve from an illumination beam irradiating the light valve. The projection lens includes a first lens group, a second lens group, and a third lens group. The first lens group is disposed on a transmission path of the image beam, and has a first optical axis. The second lens group is disposed on both a transmission path of the illumination beam and the transmission path of the image beam, and between the light valve and the first lens group. The second lens group has a second optical axis. The second optical axis is inclined with respect to the first optical axis. The third lens group is disposed on the transmission path of the image beam, and between the first lens group and the second lens group. A projection apparatus is also provided.

    摘要翻译: 提供了用于投影图像束的投影透镜。 图像光束通过光阀从照射光阀的照明光束转换。 投影透镜包括第一透镜组,第二透镜组和第三透镜组。 第一透镜组设置在图像束的传输路径上,并且具有第一光轴。 第二透镜组设置在照明光束的传输路径和图像束的传输路径之间,以及光阀和第一透镜组之间。 第二透镜组具有第二光轴。 第二光轴相对于第一光轴倾斜。 第三透镜组设置在图像束的传输路径上,并且位于第一透镜组和第二透镜组之间。 还提供投影设备。

    PROJECTION LENS AND PROJECTION APPARATUS
    8.
    发明申请
    PROJECTION LENS AND PROJECTION APPARATUS 有权
    投影镜头和投影设备

    公开(公告)号:US20120212841A1

    公开(公告)日:2012-08-23

    申请号:US13273210

    申请日:2011-10-13

    IPC分类号: G02B11/16 G02B11/06

    摘要: A projection lens for projecting an image beam is provided. The image beam is converted by a light valve from an illumination beam irradiating the light valve. The projection lens includes a first lens group, a second lens group, and a third lens group. The first lens group is disposed on a transmission path of the image beam, and has a first optical axis. The second lens group is disposed on both a transmission path of the illumination beam and the transmission path of the image beam, and between the light valve and the first lens group. The second lens group has a second optical axis. The second optical axis is inclined with respect to the first optical axis. The third lens group is disposed on the transmission path of the image beam, and between the first lens group and the second lens group. A projection apparatus is also provided.

    摘要翻译: 提供了用于投影图像束的投影透镜。 图像光束通过光阀从照射光阀的照明光束转换。 投影透镜包括第一透镜组,第二透镜组和第三透镜组。 第一透镜组设置在图像束的传输路径上,并且具有第一光轴。 第二透镜组设置在照明光束的传输路径和图像束的传输路径之间,以及光阀和第一透镜组之间。 第二透镜组具有第二光轴。 第二光轴相对于第一光轴倾斜。 第三透镜组设置在图像束的传输路径上,并且位于第一透镜组和第二透镜组之间。 还提供投影设备。

    FIXED-FOCUS LENS
    9.
    发明申请
    FIXED-FOCUS LENS 有权
    固定镜片

    公开(公告)号:US20110292515A1

    公开(公告)日:2011-12-01

    申请号:US12968549

    申请日:2010-12-15

    IPC分类号: G02B3/00

    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。

    Fixed-focus lens
    10.
    发明授权
    Fixed-focus lens 有权
    定焦镜头

    公开(公告)号:US07859770B2

    公开(公告)日:2010-12-28

    申请号:US12702003

    申请日:2010-02-08

    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。