利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

108 条记录 (耗时 0.026 秒)

    Holographic recording apparatus, holographic reproducing apparatus, holographic recording method and holographic reproducing method
    3.
    发明授权
    Holographic recording apparatus, holographic reproducing apparatus, holographic recording method and holographic reproducing method 有权
    全息记录装置，全息再现装置，全息记录方法和全息再现方法

    公开(公告)号：US08014255B2

    公开(公告)日：2011-09-06

    申请号：US12024151

    申请日：2008-02-01

    申请人： Katsunori Kawano ,  Makoto Furuki ,  Jiro Minabe

    发明人： Katsunori Kawano ,  Makoto Furuki ,  Jiro Minabe

    IPC分类号： G11B7/00

    CPC分类号： G11B7/1395 ,  G03H1/0404 ,  G03H1/12 ,  G03H2210/22 ,  G03H2223/13 ,  G11B7/0065 ,  G11B7/1362

    摘要： A holographic recording apparatus is provided and includes: a signal light generation section that generates signal light modulated according to digital data; a reference light generation section that generates reference light modulated by means of a pixel pitch; a adding section that adds, in proximity to a light-convergence position where the signal light and the reference light come close to each other or overlap each other, a low-order component of the signal light obtained by Fourier transform and a high-order component of the reference light obtained by Fourier transform, the high-order component of the reference light having a spatial frequency region differing from that of the low-order component of the signal light; and an illumination optical system that irradiate an optical recording medium with the added signal and reference light.

    摘要翻译： 提供一种全息记录装置，包括：信号光生成部，生成根据数字数据调制的信号光; 参考光生成部，其生成通过像素间距调制的参照光; 附加部分，其在信号光和参考光彼此靠近或彼此重叠的光会聚位置附近增加通过傅立叶变换和高阶获得的信号光的低阶分量 通过傅里叶变换获得的参考光的分量，具有与信号光的低阶分量不同的空间频率区域的参考光的高阶分量; 以及照射光学系统，其对添加的信号和参考光照射光学记录介质。

    Hologram recording method, hologram recording device, hologram playback method, and optical recording medium
    4.
    发明授权
    Hologram recording method, hologram recording device, hologram playback method, and optical recording medium 有权
    全息记录方法，全息记录装置，全息图再现方法和光记录介质

    公开(公告)号：US07557970B2

    公开(公告)日：2009-07-07

    申请号：US11493611

    申请日：2006-07-27

    申请人： Makoto Furuki ,  Katsunori Kawano ,  Shin Yasuda ,  Jiro Minabe ,  Koichi Haga ,  Yasuhiro Ogasawara ,  Kazuhiro Hayashi ,  Hisae Yoshizawa

    发明人： Makoto Furuki ,  Katsunori Kawano ,  Shin Yasuda ,  Jiro Minabe ,  Koichi Haga ,  Yasuhiro Ogasawara ,  Kazuhiro Hayashi ,  Hisae Yoshizawa

    IPC分类号： G03H1/12

    CPC分类号： G11B7/0065 ,  G11B7/128 ,  G11B7/2403 ,  G11B7/24044 ,  Y10S359/90

    摘要： A hologram recording method, which records signal light onto an optical recording medium as a hologram, includes: placing a signal light region, which generates signal light, and a reference light region, which generates reference light, symmetrically with respect to an optical axis of coherent light by displaying, on a spatial light modulator which spatially modulates the incident coherent light, a pattern which divides a modulating region into a plurality of regions; generating signal light and reference light by modulating the incident coherent light by the spatial light modulator; simultaneously and coaxially illuminating, onto a reflecting-type optical recording medium, the signal light and the reference light generated from the signal light region and the reference light region disposed symmetrically to one another; and recording the signal light on the optical recording medium as a hologram.

    摘要翻译： 将信号光记录在作为全息图的光记录介质上的全息图记录方法包括：将产生信号光的信号光区域和产生参考光的参考光区域相对于光轴对称地生成参考光区域 在空间光调制器上显示相干光，空间光调制器对入射相干光进行空间调制，将调制区域划分为多个区域的图案; 通过调制来自空间光调制器的入射相干光产生信号光和参考光; 同时并同轴地照射到反射型光学记录介质上，信号光和从信号光区域产生的参考光和参考光区域彼此对称设置; 并将信号光记录在光记录介质上作为全息图。

    METHOD FOR PRODUCING OPTICAL RECORDING MEDIUM
    5.
    发明申请
    METHOD FOR PRODUCING OPTICAL RECORDING MEDIUM 失效
    生产光学记录介质的方法

    公开(公告)号：US20090121390A1

    公开(公告)日：2009-05-14

    申请号：US12172657

    申请日：2008-07-14

    申请人： Kazuhiro HAYASHI ,  Shin Yasuda ,  Makoto Furuki ,  Katsunori Kawano

    发明人： Kazuhiro HAYASHI ,  Shin Yasuda ,  Makoto Furuki ,  Katsunori Kawano

    IPC分类号： B28B3/02

    CPC分类号： G11B7/26 ,  G03H2230/10 ,  G03H2260/30 ,  G11B7/24 ,  G11B7/24044 ,  G11B7/245 ,  Y10S425/81

    摘要： A method for producing an optical recording medium, includes: filling a plurality of spaces with a liquid photosensitive material, wherein each of the plurality of spaces is surrounded by a surface of a sheet material and partition walls that are formed on the surface of the sheet material for separating a plurality of recording areas, and the surface of the sheet material has recessed parts at positions where the plurality of recording areas is to be formed, each of the recessed parts protruding and deformed to a back surface side of the sheet material so as to have a volume in relation to a volumetric shrinkage factor of the photosensitive material; and pressing a member having a substantially flat surface to a back surface of the sheet material to make the recessed parts substantially flat and heating and hardening the photosensitive material to form the plurality of recording areas.

    摘要翻译： 一种光记录介质的制造方法，其特征在于，包括：用液体感光材料填充多个空间，其中，所述多个空间中的每一个被片材的表面和形成在所述片材的表面上的分隔壁包围 用于分离多个记录区域的材料，并且片材的表面在要形成多个记录区域的位置处具有凹部，每个凹部突出并变形到片材的背面侧，因此 具有相对于感光材料的体积收缩率的体积; 并将具有基本上平坦表面的构件按压到片材的后表面，以使凹陷部分基本上平坦，并加热和硬化感光材料以形成多个记录区域。

    Data playback method and device
    6.
    发明申请
    Data playback method and device 有权
    数据播放方法和装置

    公开(公告)号：US20070147801A1

    公开(公告)日：2007-06-28

    申请号：US11482166

    申请日：2006-07-07

    申请人： Shin Yasuda ,  Yasuhiro Ogasawara ,  Jiro Minabe ,  Katsunori Kawano ,  Koichi Haga ,  Kazuhiro Hayashi ,  Hisae Yoshizawa ,  Makoto Furuki

    发明人： Shin Yasuda ,  Yasuhiro Ogasawara ,  Jiro Minabe ,  Katsunori Kawano ,  Koichi Haga ,  Kazuhiro Hayashi ,  Hisae Yoshizawa ,  Makoto Furuki

    IPC分类号： H04N5/00

    CPC分类号： G03H1/22 ,  G03H1/0005 ,  G03H1/16 ,  G06T5/50 ,  G11B7/0065

    摘要： There is provided a data playback method including: acquiring first image data by illuminating reference light for reading onto an optical recording medium on which a hologram has been recorded by Fourier transforming and simultaneously illuminating reference light and signal light expressing digital data as a light-and-dark image, and detecting an inverse Fourier-transform image of diffracted light which is diffracted by the recorded hologram; acquiring second image data, which is a reversal image of the first image data, by generating combined light by combining the diffracted light and a dc component whose phase is different than a phase of a dc component of the signal light included in the diffracted light, and detecting an inverse Fourier-transform image of the combined light; and computing a difference in luminance for each pixel of the light-and-dark image, by carrying out computing processing by using the first and second image data.

    摘要翻译： 提供了一种数据播放方法，包括：通过用参考光照亮参考光，通过傅里叶变换将照射参考光照射到已经记录了全息图的光记录介质上并同时照亮表示数字数据的信号光作为光，并获取第一图像数据，以及 并且检测被所记录的全息图衍射的衍射光的逆傅里叶变换图像; 通过组合衍射光和相位不同于包含在衍射光中的信号光的直流分量的相位的直流分量来产生组合光来获取作为第一图像数据的反转图像的第二图像数据， 以及检测所述组合光的逆傅里叶变换图像; 以及通过使用第一和第二图像数据执行计算处理来计算亮 - 暗图像的每个像素的亮度差。

    Holographic recording medium and recording method
    10.
    发明授权
    Holographic recording medium and recording method 有权
    全息记录介质和记录方法

    公开(公告)号：US07524589B2

    公开(公告)日：2009-04-28

    申请号：US10965895

    申请日：2004-10-18

    申请人： Makoto Furuki ,  Katsunori Kawano ,  Hiroo Takizawa

    发明人： Makoto Furuki ,  Katsunori Kawano ,  Hiroo Takizawa

    IPC分类号： G03H1/02

    CPC分类号： G11C13/045 ,  G03H1/02 ,  G03H2001/026 ,  G03H2001/0264 ,  G03H2250/39 ,  G03H2260/51 ,  G11B7/0065 ,  G11B7/2403 ,  G11B7/24044 ,  G11B7/24056

    摘要： The present invention provides a holographic recording medium comprising: an optical recording layer, which optical recording layer includes one of a polymer compound having photoisomerizable groups in the side chain thereof and a polymer compound in which photoisomerizable molecules are dispersed therein, which recording layer records a hologram by having optical anisotropy induced by irradiation with a writing light having a predetermined wavelength thereon; and an optical filter layer formed on at least one side of the optical recording layer, which optical filter layer allows transmission of the writing light and a reading light having a predetermined wavelength irradiated on the optical recording layer, for reproducing the hologram recorded on the optical recording layer, therethrough and blocks light having a shorter wavelength than the wavelength of the writing light.

    摘要翻译： 本发明提供了一种全息记录介质，包括：光学记录层，该光学记录层包括其侧链中具有光致异构化基团的高分子化合物和其中分散有光致异构化分子的高分子化合物，该记录层记录 通过具有在其上具有预定波长的写入光照射而引起的光学各向异性的全息图; 以及形成在所述光学记录层的至少一侧的光学滤光层，所述光学滤光层允许所述写入光的透射和照射在所述光学记录层上的具有预定波长的读取光，用于再现记录在所述光学记录层上的全息图 记录层，并且阻挡具有比写入光的波长短的波长的光。