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99 条记录 (耗时 0.036 秒)

    Optical-pickup device and tilt-detecting method thereof
    1.
    发明授权
    Optical-pickup device and tilt-detecting method thereof 失效
    光拾取装置及其倾斜检测方法

    公开(公告)号：US06545958B1

    公开(公告)日：2003-04-08

    申请号：US09384377

    申请日：1999-08-27

    申请人： Hideaki Hirai ,  Hiroshi Koide ,  Hiroshi Akiyama

    发明人： Hideaki Hirai ,  Hiroshi Koide ,  Hiroshi Akiyama

    IPC分类号： G11B700

    CPC分类号： G11B7/1381 ,  G11B7/0935 ,  G11B7/094 ,  G11B7/0956 ,  G11B7/127 ,  G11B2007/0006

    摘要： An optical-pickup device includes a plurality of light sources, an objective lens for converging light from the plurality of light sources on an optical disc, and at least one light-receiving element for receiving light reflected by the optical disc. A light source of the plurality of light sources, which light source is not used for recording/reproducing, is used for detecting relative tilt between the optical disc and the objective lens.

    摘要翻译： 光拾取装置包括多个光源，用于将来自多个光源的光会聚在光盘上的物镜，以及用于接收由光盘反射的光的至少一个光接收元件。 使用不用于记录/再现的多个光源的光源来检测光盘和物镜之间的相对倾斜。

    Optical-pickup device and tilt-detecting method thereof
    2.
    发明授权
    Optical-pickup device and tilt-detecting method thereof 失效
    光拾取装置及其倾斜检测方法

    公开(公告)号：US06735157B2

    公开(公告)日：2004-05-11

    申请号：US10370526

    申请日：2003-02-24

    申请人： Hideaki Hirai ,  Hiroshi Koide ,  Hiroshi Akiyama

    发明人： Hideaki Hirai ,  Hiroshi Koide ,  Hiroshi Akiyama

    IPC分类号： G11B700

    CPC分类号： G11B7/1381 ,  G11B7/0935 ,  G11B7/094 ,  G11B7/0956 ,  G11B7/127 ,  G11B2007/0006

    摘要： An optical-pickup device includes a plurality of light sources, an objective lens for converging light from the plurality of light sources on an optical disc, and at least one light-receiving element for receiving light reflected by the optical disc. A light source of the plurality of light sources, which light source is not used for recording/reproducing, is used for detecting relative tilt between the optical disc and the objective lens.

    摘要翻译： 光拾取装置包括多个光源，用于将来自多个光源的光会聚在光盘上的物镜，以及用于接收由光盘反射的光的至少一个光接收元件。 使用不用于记录/再现的多个光源的光源来检测光盘和物镜之间的相对倾斜。

    TRANSPARENT OBJECT DETECTION SYSTEM AND TRANSPARENT FLAT PLATE DETECTION SYSTEM
    6.
    发明申请
    TRANSPARENT OBJECT DETECTION SYSTEM AND TRANSPARENT FLAT PLATE DETECTION SYSTEM 有权
    透明物体检测系统和透明平板检测系统

    公开(公告)号：US20130123985A1

    公开(公告)日：2013-05-16

    申请号：US13520858

    申请日：2011-01-26

    申请人： Hideaki Hirai ,  Shin Aoki ,  Masanori Kobayashi ,  Xue Li

    发明人： Hideaki Hirai ,  Shin Aoki ,  Masanori Kobayashi ,  Xue Li

    IPC分类号： G01N21/84 ,  B25J9/16

    CPC分类号： G01N21/84 ,  B25J9/1697 ,  G01N21/21 ,  G01N21/23 ,  G01N21/9018 ,  G01N21/9027 ,  G01N21/958

    摘要： A disclosed transparent body detection system includes an image acquisition unit acquiring a vertical polarization image and a horizontal polarization image by acquiring an image of a first region, the image including a transparent body having characteristics in which a polarization direction of transmission light changes; a placing table on which the transparent body is to be placed; a polarization filter disposed opposite to the image acquisition unit across the placing table and at a position including a second region, an image of the second region including at least the transparent body in the first region and being acquired; and an image processing apparatus detecting the transparent body based on distribution of vertical/lateral polarization degree of a vertical/lateral polarization degree image based on the vertical polarization image and the horizontal polarization image.

    摘要翻译： 所公开的透明身体检测系统包括通过获取第一区域的图像获取垂直偏振图像和水平偏振图像的图像获取单元，所述图像包括具有其中透射光的偏振方向改变的特性的透明体; 放置桌子，放置透明体; 偏振过滤器，其布置在穿过所述放置台的所述图像获取单元相对并且包括第二区域的位置处，所述第二区域的图像至少包括所述第一区域中的透明体并被获取; 以及基于垂直极化图像和水平偏振图像，基于垂直/横向偏振度图像的垂直/横向偏振度的分布来检测透明体的图像处理装置。

    DETECTION APPARATUS AND METHOD
    7.
    发明申请
    DETECTION APPARATUS AND METHOD 有权
    检测装置和方法

    公开(公告)号：US20130027557A1

    公开(公告)日：2013-01-31

    申请号：US13549917

    申请日：2012-07-16

    申请人： Hideaki Hirai ,  Izumi Itoh

    发明人： Hideaki Hirai ,  Izumi Itoh

    IPC分类号： H04N7/18

    CPC分类号： B60S1/0844 ,  G01N21/21 ,  G06K9/00791

    摘要： A substance detection apparatus and method including a light source to emit light to a planar transparent member having a proximal first face and a distal second face opposite the first face, the light from the light source first striking the first face of the planar transparent member. The substance detection apparatus and method including an image capture lens, a polarization filter, an image sensor, and a substance detection processor. The light emitted from the light source is reflected at the substance present on the second face of the planar transparent member, and the image sensor receives light reflected from the substance, via the image capture lens and the polarization filter, to capture an image of the substance present on the second face of the planar transparent member.

    摘要翻译： 一种物质检测装置和方法，其特征在于，包括向具有近端第一面和与第一面相反的远端第二面的平面状透明部件发光的光源，来自光源的光首先撞击平面状透明部件的第一面。 物质检测装置和方法包括图像拍摄透镜，偏振滤光器，图像传感器和物质检测处理器。 从光源发射的光在平面透明构件的第二面上存在的物质反射，并且图像传感器经由图像拍摄透镜和偏振滤光器接收从物质反射的光，以捕获图像 存在于平面透明构件的第二面上的物质。

    IMAGING DEVICE, ON-VEHICLE IMAGING SYSTEM, ROAD SURFACE APPEARANCE DETECTION METHOD, AND OBJECT DETECTION DEVICE
    8.
    发明申请
    IMAGING DEVICE, ON-VEHICLE IMAGING SYSTEM, ROAD SURFACE APPEARANCE DETECTION METHOD, AND OBJECT DETECTION DEVICE 审中-公开
    成像装置，车载成像系统，道路表面外观检测方法和物体检测装置

    公开(公告)号：US20120242835A1

    公开(公告)日：2012-09-27

    申请号：US13514614

    申请日：2010-12-16

    申请人： Xue Li ,  Soichiro Yokota ,  Hideaki Hirai

    发明人： Xue Li ,  Soichiro Yokota ,  Hideaki Hirai

    IPC分类号： G06K9/62 ,  H04N7/18

    CPC分类号： H04N5/225 ,  G06K9/00798 ,  G06T7/73 ,  G06T2207/20212 ,  G06T2207/30256 ,  G08G1/167

    摘要： An imaging device includes an imaging unit mounted on a vehicle and obtaining a vertically-polarized image and a horizontally-polarized image of a road surface on which the vehicle is running; a polarization ratio image generating unit generating a polarization ratio image and calculating polarization ratio information indicating polarization ratios of pixels of the polarization ratio image based on the vertically-polarized image and the horizontally-polarized image; and a roadside structure detection unit detecting a planar line formed on and partitioning the road surface and/or a roadside structure located adjacent to and at an angle with the road surface based on the polarization ratio information of the polarization ratio image.

    摘要翻译： 一种成像装置，包括安装在车辆上并获得车辆行驶的路面的垂直偏振图像和水平偏振图像的成像单元; 产生偏振率图像的偏振比图像产生单元，并且基于垂直偏振图像和水平偏振图像计算表示偏振率图像的像素的偏振比的偏振比信息; 以及路边结构检测单元，基于偏振率图像的偏振比信息，检测形成在路面上的划线面和/或与路面相邻并且与路面成一定角度的路边结构。

    Optical pick-up, method of generating aberration for compensation and optical information processing apparatus using the same
    9.
    发明授权
    Optical pick-up, method of generating aberration for compensation and optical information processing apparatus using the same 有权
    光拾取器，补偿用像差方法及使用其的光信息处理装置

    公开(公告)号：US08036089B2

    公开(公告)日：2011-10-11

    申请号：US10584029

    申请日：2005-11-17

    申请人： Hideaki Hirai

    发明人： Hideaki Hirai

    IPC分类号： G11B7/135

    CPC分类号： G11B7/1378 ,  G11B7/0948 ,  G11B7/0956 ,  G11B7/1369 ,  G11B7/13927 ,  G11B2007/0006 ,  G11B2007/0013 ,  G11B2007/13727

    摘要： An optical pick-up to perform recording or reproducing for an optical recording medium is disclosed, which includes a light source configured to emit a light beam, an objective lens configured to focus the light beam onto the optical recording medium, and an aberration generation device provided between the light source and the objective lens, configured to generate coma aberration for the beam focused by the objective lens, based on a detected value from a device configured to detect a degree of tilt of the optical recording medium, wherein the tilt is compensated for by the coma aberration generated by the aberration generation device.

    摘要翻译： 公开了一种用于执行光学记录介质的记录或再现的光学拾取器，其包括被配置为发射光束的光源，被配置为将光束聚焦到光学记录介质上的物镜，以及像差产生装置 设置在所述光源和所述物镜之间，被配置为基于来自被配置为检测所述光学记录介质的倾斜度的装置的检测值产生由所述物镜聚焦的光束的彗形像差，其中所述倾斜被补偿 因为由像差产生装置产生的彗差。

    Optical pickup and optical information processing apparatus
    10.
    发明授权
    Optical pickup and optical information processing apparatus 有权
    光学拾取和光学信息处理设备

    公开(公告)号：US07796490B2

    公开(公告)日：2010-09-14

    申请号：US12244162

    申请日：2008-10-02

    申请人： Hideaki Hirai

    发明人： Hideaki Hirai

    IPC分类号： G11B7/00

    CPC分类号： G11B7/1367 ,  G11B7/1275 ,  G11B7/139 ,  G11B7/13925 ,  G11B2007/0006

    摘要： An optical pickup performing recording, reproduction and deletion of information on or from an optical recording medium. The pickup includes light sources for information recording media using a blue wavelength beam, information recording media of DVD family and information recording media of CD family. A single object lens may be used to condense light from any of the light sources. A single aberration correction device may be disposed in a common light path between each of the light sources and the object lens.

    摘要翻译： 一种在光记录介质上执行信息的记录，再现和删除的光学拾取器。 拾取器包括用于使用蓝色波长束的信息记录介质的光源，DVD系列的信息记录介质和CD系列的信息记录介质。 单个物镜可用于冷凝来自任何光源的光。 单个像差校正装置可以设置在每个光源和物镜之间的公共光路中。