公开(公告)号：US07511867B2

公开(公告)日：2009-03-31

申请号：US11527577

申请日：2006-09-27

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

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

IPC分类号： G03H1/16 ,  G03H1/08

CPC分类号： G11B7/0065 ,  G03H1/041 ,  G03H2223/12 ,  G03H2223/20

摘要： A hologram reproduction method for reproducing a hologram from an optical recording medium in which the hologram is recorded by Fourier transforming a signal light, in which digital data is represented by an image of intensity distribution, and a reference light, and simultaneously irradiating the lights in a state in which a direct current component is removed from at least the Fourier transformed signal light onto the optical recording medium is provided. The method including: irradiating a read out reference light onto the optical recording medium, and generating a diffracted light from the recorded hologram; generating all or a part of a direct current component contained in a Fourier transformed image of the signal light; combining the diffracted light and the generated all or a part of the direct current component, and generating a combined beam; and reproducing the signal light by inverse-Fourier transforming the combined beam.

摘要翻译： 一种全息图再现方法，用于通过对其中数字数据由强度分布的图像表示的信号光和参考光进行傅里叶变换来记录全息图的光记录介质中再现全息图，同时将 提供了将直流分量从至少傅里叶变换信号光去除到光记录介质上的状态。 该方法包括：将读出的参考光照射到光学记录介质上，并从记录的全息图产生衍射光; 产生包含在信号光的傅里叶变换图像中的直流分量的全部或一部分; 组合衍射光和产生的全部或一部分直流分量，并产生组合光束; 以及通过对组合光束进行傅里叶逆变换来再现信号光。

公开(公告)号：US20080151734A1

公开(公告)日：2008-06-26

申请号：US11808711

申请日：2007-06-12

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

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

IPC分类号： G11B7/00 ,  G03H1/26 ,  G11C13/04

CPC分类号： G11C13/042 ,  G03H1/16 ,  G11B7/0065 ,  G11B7/245 ,  G11B7/2467

摘要： There is provided a hologram recording method, including generating a signal light which is spatially modulated such that digital data is represented by an image of intensity distribution, irradiating the signal light on an optical recording medium after a Fourier transformation of the signal light such that a zero-order component of the signal light comes into focus at a point removed from the optical recording medium, forming a diffraction grating in the optical recording medium by interference between the zero-order component of the signal light and a high-order component thereof, and recording digital data represented by the signal light as a hologram.

摘要翻译： 提供一种全息图记录方法，包括生成空间调制的信号光，使得数字数据由强度分布的图像表示，在信号光的傅立叶变换之后将信号光照射在光学记录介质上，使得 信号光的零级分量在从光记录介质去除的点处聚焦，通过信号光的零级分量与其高阶分量之间的干扰在光记录介质中形成衍射光栅， 并记录由信号光表示的数字数据作为全息图。

公开(公告)号：US20070065019A1

公开(公告)日：2007-03-22

申请号：US11348488

申请日：2006-02-07

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

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

IPC分类号： G06K9/36

CPC分类号： G11B7/0065 ,  G11B7/00781 ,  G11B20/10 ,  G11B2220/2504

摘要： A two-dimensional coding method includes: using a two-dimensional image containing plural reference pixels each having a different brightness and data pixels representing data in accordance with brightness; and coding a binary sequence of plural bits to be recorded as a hologram by matching the brightness level of the data pixel based on the brightnesses of the plural reference pixels.

摘要翻译： 二维编码方法包括：使用包含具有不同亮度的多个参考像素的二维图像和根据亮度表示数据的数据像素; 并且通过基于多个参考像素的亮度来匹配数据像素的亮度级，来编码要记录为全息图的多个比特的二进制序列。

公开(公告)号：US20070047037A1

公开(公告)日：2007-03-01

申请号：US11349211

申请日：2006-02-08

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

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

IPC分类号： G03H1/02

CPC分类号： G03H1/0011 ,  B42D25/328 ,  B42D25/373 ,  B42D2033/10 ,  G03H1/024 ,  G03H1/0248 ,  G03H1/0252 ,  G03H1/0486 ,  G03H2001/0413 ,  G03H2001/2289 ,  G03H2250/32 ,  G03H2250/33 ,  G03H2250/34 ,  G03H2250/41 ,  G03H2250/42

摘要： A hologram recording medium including: a recording layer on which a hologram can be record as a diffraction grating by inducing a change in a refraction factor according to the light intensity distribution of writing light due to irradiation with the writing light; a reflection layer that reflects, on the recording layer side thereof, diffracted light diffracted by the hologram recorded on the recording layer due to irradiation with reading light having a wavelength different from that of the writing light; and an absorption layer that absorbs the writing light transmitted through the recording layer.

摘要翻译： 一种全息记录介质，包括：记录层，通过根据由写入光的照射引起的写入光的光强度分布，引起折射系数的变化，全息图可作为衍射光栅记录; 反射层，其在记录层侧反射由于用与写入光的波长不同的读取光照射而被记录在记录层上的全息图衍射的衍射光; 以及吸收透过记录层的书写光的吸收层。

公开(公告)号：US20060215243A1

公开(公告)日：2006-09-28

申请号：US11204990

申请日：2005-08-17

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

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

IPC分类号： G03H1/02

CPC分类号： G03H1/0252 ,  G03H1/0236 ,  G03H1/16 ,  G03H2210/54 ,  G03H2250/39 ,  G03H2270/54

摘要： There is provided a hologram recording medium having: a recording layer at which a hologram can be recorded by illumination of writing light; and a protective layer provided on the recording layer in order to protect the recording layer, a water absorbency of the protective layer being less than or equal to 0.01%.

摘要翻译： 提供了一种全息图记录介质，其具有：通过照明写入光可以记录全息图的记录层; 以及设置在记录层上以保护记录层的保护层，保护层的吸水率小于或等于0.01％。

公开(公告)号：US07582392B2

公开(公告)日：2009-09-01

申请号：US11546958

申请日：2006-10-13

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

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

IPC分类号： G03H1/02

CPC分类号： G03H1/02 ,  G03H1/26 ,  G03H2001/026 ,  G03H2001/0264 ,  G03H2001/267 ,  G03H2222/31 ,  G03H2240/26 ,  G03H2260/12 ,  G11B7/0065 ,  G11B7/2467 ,  G11B7/25

摘要： A hologram-recording material, including a photoresponsive molecule, a reactive molecule having an intrinsic birefringence, and a photopolymerization initiator that accelerates polymerization and/or crosslinking of the reactive molecule having an intrinsic birefringence, a content of the photopolymerization initiator being in a range of less than about 0.1 wt % relative to the hologram-recording material, and, a content of the reactive molecule having an intrinsic birefringence being in a range of about 30 to about 80 wt % relative to the hologram-recording material.

摘要翻译： 包括光响应分子，具有固有双折射的反应性分子和加速具有固有双折射的反应性分子的聚合和/或交联的光聚合引发剂的全息记录材料，光聚合引发剂的含量在 相对于全息记录材料小于约0.1重量％，并且相对于全息记录材料，具有约30至约80重量％的固有双折射的反应性分子的含量。

公开(公告)号：US07355767B2

公开(公告)日：2008-04-08

申请号：US11052231

申请日：2005-02-08

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

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

IPC分类号： G03H1/10

CPC分类号： G03H1/16 ,  G03H1/0486 ,  G03H1/28 ,  G03H2210/22 ,  G11B7/0065

摘要： A hologram recording method includes generating a signal beam with data formed by superimposing pattern data, the pattern data representing a pattern in which a large number of plural kinds of pixels having different tone values are arranged in a two-dimensional manner, on an image data of respective pixels represented by tone values corresponding to density, and recording a hologram by irradiating a converted beam formed by Fourier transformation of the generated signal beam with a lens and a reference beam to an optical recording medium.

摘要翻译： 一种全息图记录方法，包括：通过叠加图形数据形成的数据生成信号光束，将表示具有不同色调值的多个像素的多个像素的图案以二维方式排列在图像数据上的图形数据 由对应于密度的色调值表示的各个像素，以及通过将产生的信号光束与透镜和参考光束的傅里叶变换形成的转换光束照射到光学记录介质来记录全息图。

公开(公告)号：US20060203315A1

公开(公告)日：2006-09-14

申请号：US11180572

申请日：2005-07-14

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

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

IPC分类号： G03H1/20

CPC分类号： G03H1/0256 ,  G03H1/0011 ,  G03H1/16 ,  G03H1/2205 ,  G03H1/2645 ,  G03H2001/0413 ,  G03H2001/221 ,  G03H2001/2231 ,  G03H2001/2268 ,  G03H2001/2289 ,  G03H2210/54 ,  G03H2223/12 ,  G03H2250/32 ,  G03H2250/42 ,  G03H2270/52

摘要： There is provided a hologram recording medium having: a non-optical-quality sheet member; a recording layer at which a hologram can be recorded by illumination of writing light, or at which a hologram is recorded by illumination of writing light; a reflecting layer provided between the sheet member and the recording layer, a surface of the reflecting layer having a ten-point average roughness Rz that is less than a wavelength of reading light which surface contacts the recording layer, and due to illumination of the reading light from a recording layer side, the reflecting layer reflecting the reading light and diffracted light diffracted by a hologram; and a protective layer provided on the recording layer and protecting the recording layer.

摘要翻译： 提供了一种全息图记录介质，其具有：非光学质量的片材; 通过照明写入光可以记录全息图的记录层，或通过照射写入光来记录全息图的记录层; 设置在片状部件和记录层之间的反射层，反射层的表面的十点平均粗糙度Rz小于表面与记录层接触的读取光的波长，并且由于读取的照明 来自记录层侧的光，反射层反射读取光，衍射光被全息图衍射; 以及设置在记录层上并保护记录层的保护层。

公开(公告)号：US20060050339A1

公开(公告)日：2006-03-09

申请号：US11052231

申请日：2005-02-08

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

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

IPC分类号： G03H1/10

CPC分类号： G03H1/16 ,  G03H1/0486 ,  G03H1/28 ,  G03H2210/22 ,  G11B7/0065

摘要： A hologram recording method includes generating a signal beam with data formed by superimposing pattern data, the pattern data representing a pattern in which a large number of plural kinds of pixels having different tone values are arranged in a two-dimensional manner, on an image data of respective pixels represented by tone values corresponding to density, and recording a hologram by irradiating a converted beam formed by Fourier transformation of the generated signal beam with a lens and a reference beam to an optical recording medium.

摘要翻译： 一种全息图记录方法，包括：通过叠加图形数据形成的数据生成信号光束，将表示具有不同色调值的多个像素的多个像素的图案以二维方式排列在图像数据上的图形数据 由对应于密度的色调值表示的各个像素，以及通过将产生的信号光束与透镜和参考光束的傅里叶变换形成的转换光束照射到光学记录介质来记录全息图。

公开(公告)号：US07633661B2

公开(公告)日：2009-12-15

申请号：US11057189

申请日：2005-02-15

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

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

IPC分类号： G03H1/02

CPC分类号： G11B7/0065 ,  G03H1/0011 ,  G03H1/0402 ,  G03H1/0486 ,  G03H1/28 ,  G03H2001/0413 ,  G03H2001/0415 ,  G03H2210/22 ,  G03H2210/54 ,  G03H2223/14 ,  G03H2250/42 ,  G03H2260/12

摘要： A hologram recording apparatus includes a light source for irradiating coherent light, light separator for separating the coherent light into light for reference beam and light for signal beam, optical path changer for changing an optical path of each light separated by the light separator so that the reference beam and the signal beam may be irradiated simultaneously onto an optical recording medium, a spatial light modulator disposed in the optical path of the light for the signal beam for modulating the light for the signal beam in accordance with a supplied recording signal to create signal beam for recording a hologram, and diffused light irradiator for irradiating diffused light simultaneously with the reference beam at least onto an area of the optical recording medium where the reference beam is irradiated.

摘要翻译： 全息图记录装置包括用于照射相干光的光源，用于将相干光分离成用于参考光的光分离器和用于信号光的光的光分离器，用于改变由光分离器分离的每个光的光路的光路变换器， 参考光束和信号光束可以同时照射到光学记录介质上，空间光调制器设置在用于信号光的光路中，用于根据所提供的记录信号调制信号光的光以产生信号 用于记录全息图的光束，以及漫射光照射器，用于至少在照射参考光束的光学记录介质的区域上将漫射光与参考光束同时照射。