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    • 12. 发明授权
    • Image pickup optical system and image pickup apparatus using the same
    • 摄像光学系统及使用其的摄像装置
    • US08351132B2
    • 2013-01-08
    • US12932699
    • 2011-03-02
    • Yoshihiro Uchida
    • Yoshihiro Uchida
    • G02B13/18G02B9/34G02B9/60
    • G02B13/004G02B13/006G02B13/009H04N5/2254
    • An image pickup optical system having five lenses includes in order from an object side, a first lens having a biconvex shape, and a positive refractive power, a second lens having a negative refractive power, a third lens having a meniscus shape with a concave surface thereof directed toward the object side, and a negative refractive power, a fourth lens having a meniscus shape with a concave surface thereof directed toward the object side, and a positive refractive power, and a fifth lens having a negative refractive power. The third lens and the fourth lens are cemented, and the negative refractive power at a central portion of the third lens increases gradually toward a peripheral portion thereof, and the positive refractive power at a central portion of the fourth lens decreases gradually toward a peripheral portion thereof. A cemented surface of the third lens and the fourth lens is an aspheric surface, and the cemented surface becomes a concave surface all the time with respect to the object side, at the central portion and the peripheral portion.
    • 具有五个透镜的摄像光学系统包括从物体侧开始的顺序,具有双凸形状和正折光力的第一透镜,具有负屈光力的第二透镜,具有凹面的弯月面形状的第三透镜 并且具有负折光力,具有朝向物体侧的凹面的弯月形状的第四透镜和正折光力,以及具有负屈光力的第五透镜。 第三透镜和第四透镜被胶合,并且第三透镜的中心部分处的负折光力朝向其周边部分逐渐增加,并且第四透镜的中心部分处的正折射力朝向周边部分逐渐减小 其中。 第三透镜和第四透镜的胶合表面是非球面,并且胶结表面在中心部分和周边部分处于相对于物体侧的所有时间成为凹面。
    • 13. 发明授权
    • Imaging optical system
    • 成像光学系统
    • US08289629B2
    • 2012-10-16
    • US12927195
    • 2010-11-08
    • Yoshihiro Uchida
    • Yoshihiro Uchida
    • G02B13/18G02B9/12
    • G02B15/163G02B13/16G02B13/18
    • The imaging optical system of the invention is built up of, in order from its object side, the first lens group G1 having positive refracting power, the stop S, the second lens group G2 having positive refracting power, and the third lens group G3 having negative refracting power. The first lens group G1 comprises a cemented lens consisting of the first lens L1 and the second lens L2. The second lens group G2 comprises the third lens L3. The third lens group G3 comprises the fourth lens L4. The second lens L3 has an object-side surface that is concave on its object side both on and off the optical axis, and an image-side surface being an aspheric surface that is convex on its object side on the optical axis and has one or more off-axis inflection points.
    • 本发明的成像光学系统从其物体侧依次构成具有正折射力的第一透镜组G1,具有正折射率的光阑S,第二透镜组G2,以及具有正折射率的第三透镜组G3, 负屈光力。 第一透镜组G1包括由第一透镜L1和第二透镜L2组成的胶合透镜。 第二透镜组G2包括第三透镜L3。 第三透镜组G3包括第四透镜L4。 第二透镜L3具有物体侧表面,其在物体侧在光轴上和下方都是凹入的,并且图像侧表面是在光轴上在其物体侧上凸出的非球面,并且具有一个或多个 更多的离轴拐点。
    • 14. 发明申请
    • Zoom lens system and image pickup device having the same
    • 变焦镜头系统和摄像装置具有相同的功能
    • US20120057247A1
    • 2012-03-08
    • US13199018
    • 2011-08-16
    • Takayuki MimuraYoshihiro Uchida
    • Takayuki MimuraYoshihiro Uchida
    • G02B15/14
    • G02B15/14G02B13/04G02B13/18G02B15/177H04N5/23296
    • A zoom lens system according to the present invention includes a first lens group with negative refractive power, a second lens group with positive refractive power, a third lens group with positive refractive power, and a fourth lens group with negative refractive power which are arranged in turn from the object side toward the image side, and the zoom lens system is formed so that, in performing a zooming operation from the wide angle end position to the telephoto end position, the first lens group keeps still, the distance between the first and second lens groups becomes small, the distance between the second and third lens groups becomes wide, and the distance between the third and fourth lens groups to becomes small.
    • 根据本发明的变焦透镜系统包括:具有负屈光力的第一透镜组,具有正屈光力的第二透镜组,具有正屈光力的第三透镜组和具有负折光力的第四透镜组, 从物体侧朝向图像侧转动,并且变焦透镜系统形成为使得在从广角端位置到望远端位置进行变焦操作时,第一透镜组保持静止,第一和第二透镜组之间的距离 第二透镜组变小,第二透镜组和第三透镜组之间的距离变宽,并且第三透镜组和第四透镜组之间的距离变小。
    • 15. 发明申请
    • Image pickup optical system and image pickup apparatus using the same
    • 摄像光学系统及使用其的摄像装置
    • US20110228409A1
    • 2011-09-22
    • US12932699
    • 2011-03-02
    • Yoshihiro Uchida
    • Yoshihiro Uchida
    • G02B13/18
    • G02B13/004G02B13/006G02B13/009H04N5/2254
    • An image pickup optical system having five lenses includes in order from an object side, a first lens having a biconvex shape, and a positive refractive power, a second lens having a negative refractive power, a third lens having a meniscus shape with a concave surface thereof directed toward the object side, and a negative refractive power, a fourth lens having a meniscus shape with a concave surface thereof directed toward the object side, and a positive refractive power, and a fifth lens having a negative refractive power. The third lens and the fourth lens are cemented, and the negative refractive power at a central portion of the third lens increases gradually toward a peripheral portion thereof, and the positive refractive power at a central portion of the fourth lens decreases gradually toward a peripheral portion thereof. A cemented surface of the third lens and the fourth lens is an aspheric surface, and the cemented surface becomes a concave surface all the time with respect to the object side, at the central portion and the peripheral portion.
    • 具有五个透镜的摄像光学系统包括从物体侧开始的顺序,具有双凸形状和正折光力的第一透镜,具有负屈光力的第二透镜,具有凹面的弯月面形状的第三透镜 并且具有负折光力,具有朝向物体侧的凹面的弯月形状的第四透镜和正折光力,以及具有负屈光力的第五透镜。 第三透镜和第四透镜被胶合,并且第三透镜的中心部分处的负折光力朝向其周边部分逐渐增加,并且第四透镜的中心部分处的正折射力朝向周边部分逐渐减小 其中。 第三透镜和第四透镜的胶合表面是非球面,并且胶结表面在中心部分和周边部分处于相对于物体侧的所有时间成为凹面。
    • 16. 发明申请
    • Imaging optical system
    • 成像光学系统
    • US20110122510A1
    • 2011-05-26
    • US12927195
    • 2010-11-08
    • Yoshihiro Uchida
    • Yoshihiro Uchida
    • G02B13/18G02B9/12
    • G02B15/163G02B13/16G02B13/18
    • The imaging optical system of the invention is built up of, in order from its object side, the first lens group G1 having positive refracting power, the stop S, the second lens group G2 having positive refracting power, and the third lens group G3 having negative refracting power. The first lens group G1 comprises a cemented lens consisting of the first lens L1 and the second lens L2. The second lens group G2 comprises the third lens L3. The third lens group G3 comprises the fourth lens L4. The second lens L3 has an object-side surface that is concave on its object side both on and off the optical axis, and an image-side surface being an aspheric surface that is convex on its object side on the optical axis and has one or more off-axis inflection points.
    • 本发明的成像光学系统从其物体侧依次构成具有正折射力的第一透镜组G1,具有正折射率的光阑S,第二透镜组G2,以及具有正折射率的第三透镜组G3, 负屈光力。 第一透镜组G1包括由第一透镜L1和第二透镜L2组成的胶合透镜。 第二透镜组G2包括第三透镜L3。 第三透镜组G3包括第四透镜L4。 第二透镜L3具有物体侧表面,其在物体侧在光轴上和下方都是凹入的,并且图像侧表面是在光轴上在其物体侧上凸出的非球面,并且具有一个或多个 更多的离轴拐点。