Projection optical system
    101.
    发明申请
    Projection optical system 有权
    投影光学系统

    公开(公告)号:US20060244930A1

    公开(公告)日:2006-11-02

    申请号:US11414777

    申请日:2006-04-28

    IPC分类号: G03B21/14

    摘要: A projection optical system that performs enlargement projection of an image on a display device surface formed of a plurality of pixels onto a screen surface, in which pixel shift by less than a pixel pitch is performed on the screen surface in a vertical direction, a horizontal direction, an oblique direction, or a vertical and horizontal directions, and in which conditional formulae (1) and (2) below are fulfilled over the entire image range: (1)|ΔΔRG|≦0.5 d and (2)|ΔBG|≦0.5 d, where d represents the amount of pixel shift (>0), ΔRG represents lateral chromatic aberration in the direction of pixel shift of colored light R having a wavelength of 640 nm with respect to colored light G having a wavelength of 546 nm, and ΔBG represents lateral chromatic aberration in the direction of pixel shift of colored light B having a wavelength of 450 nm with respect to the colored light G having a wavelength of 546 nm.

    摘要翻译: 一种投影光学系统,其将在由多个像素形成的显示装置表面上的图像进行放大投影到屏幕表面上,其中在垂直方向上在屏幕表面上执行像素偏移少于像素间距的水平,水平 方向,倾斜方向或垂直和水平方向,并且在整个图像范围内满足以下条件式(1)和(2):(1)| DeltaDeltaRG | <= 0.5d和(2)| DeltaBG | <= 0.5d,其中d表示像素偏移量(> 0),ΔRG表示相对于具有波长为λ的彩色光G,具有640nm波长的有色光R的像素移动方向上的横向色差 546nm,并且DeltaBG表示相对于具有波长为546nm的有色光G,具有450nm波长的有色光B的像素移动方向上的横向色差。

    Object lens unit and optical pickup device employing the unit
    102.
    发明申请
    Object lens unit and optical pickup device employing the unit 失效
    对象透镜单元和采用该单元的光学拾取装置

    公开(公告)号:US20060056074A1

    公开(公告)日:2006-03-16

    申请号:US11221657

    申请日:2005-09-08

    IPC分类号: G02B9/00

    摘要: An object lens unit for an optical pickup comprising: a first optical element positioned facing an optical information recording medium; a second optical element positioned on a light source side of the first optical element; and a frame which has a first reference surface in contact with the first optical element to position the first optical element in an optical axis direction and a second reference surface in contact with the second optical element to position the second optical element in the optical axis direction so that the first optical element and the second optical element are fixed to be integrated with the frame, wherein the first optical element, the second optical element and the frame are attached, as a single optical component, to another member.

    摘要翻译: 一种用于光学拾取器的物镜单元,包括:面对光学信息记录介质的第一光学元件; 位于所述第一光学元件的光源侧的第二光学元件; 以及框架,其具有与第一光学元件接触以将第一光学元件沿光轴方向定位的第一参考表面和与第二光学元件接触的第二参考表面,以将第二光学元件定位在光轴方向上 使得第一光学元件和第二光学元件固定成与框架一体化,其中第一光学元件,第二光学元件和框架作为单个光学部件附接到另一个构件。

    Optical system and image pickup apparatus
    104.
    发明授权
    Optical system and image pickup apparatus 失效
    光学系统和图像拾取装置

    公开(公告)号:US06891679B2

    公开(公告)日:2005-05-10

    申请号:US10843633

    申请日:2004-05-12

    摘要: An image pickup apparatus comprises a substrate; an image pickup element to convert a converged light flux to electronic signals; an image-taking optical element positioned so as to converge a light flux from an object onto the image pickup element; a light shielding member to house the image pickup element and the image-taking optical element; a controlling device to control an output of the electronic signals and controlling the image pickup element; and a refracting power-variable optical element.

    摘要翻译: 图像拾取装置包括:基板; 用于将会聚光束转换成电子信号的图像拾取元件; 定影成将来自物体的光束会聚到图像拾取元件上的摄像光学元件; 用于容纳图像拾取元件和摄像光学元件的遮光构件; 控制装置,用于控制电子信号的输出并控制图像拾取元件; 和折射能量可变光学元件。

    Optical pick-up apparatus and divergent angle-converting element
    105.
    发明申请
    Optical pick-up apparatus and divergent angle-converting element 失效
    光学拾取装置和发散角转换元件

    公开(公告)号:US20050094537A1

    公开(公告)日:2005-05-05

    申请号:US10976844

    申请日:2004-11-01

    摘要: An optical pickup apparatus comprising: a first light source emitting first light flux having wavelength λ1 (380 nm≦λ1≦450 nm); a second light source emitting second light flux having wavelength λ2 (600 nm≦λ2≦700 nm); a third light source emitting third light flux having wavelength λ3 (750 nm≦λ3≦800 nm); a first divergent angle-converting element through which the first light flux passes; a second divergent angle-converting element through which the second light flux and the third light flux pass; and an objective optical element through which the first, second, and third light fluxes pass. Optical magnification m2 of the second divergent angle-converting element for the second light flux and optical magnification m3 of the second divergent angle-converting element for the third light flux are different from each other.

    摘要翻译: 一种光学拾取装置,包括:发射波长λ1(380nm <λ1<= 450nm)的第一光束的第一光源; 发射波长λ2(600nm <=λ2<= 700nm)的第二光束的第二光源; 发射具有波长λ3(750nm <λ3= 800nm)的第三光束的第三光源; 第一发光角转换元件,第一光束通过该第一发散角转换元件; 第二发光角转换元件,第二光束和第三光束通过该第二发散角转换元件; 以及第一,第二和第三光束通过的物镜光学元件。 用于第二光束的第二发散角转换元件的光学倍率m 2和用于第三光束的第二发散角转换元件的光学倍率m 3彼此不同。