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    Information signal recording medium
    1.
    发明授权
    Information signal recording medium 失效
    信息信号记录介质

    公开(公告)号：US4621007A

    公开(公告)日：1986-11-04

    申请号：US741801

    申请日：1985-06-06

    申请人： Hiroshi Nakajima ,  Yoshihito Nakane ,  Toshikazu Goshima ,  Osamu Narita ,  Akira Nishizawa ,  Fuminari Suzuki

    发明人： Hiroshi Nakajima ,  Yoshihito Nakane ,  Toshikazu Goshima ,  Osamu Narita ,  Akira Nishizawa ,  Fuminari Suzuki

    IPC分类号： G11B9/06 ,  B32B5/16 ,  B32B27/08

    CPC分类号： G11B9/068 ,  Y10T428/24802 ,  Y10T428/24893 ,  Y10T428/263 ,  Y10T428/31909 ,  Y10T428/3192

    摘要： An information signal recording medium comprises a core material made of a non-conductive material, and a surface material made of a conductive material and in close adherence with at least one surface of the core material. Variations in geometrical configuration in accordance with information signals to be recorded on the recording medium are compression molded on the surface material. The materials constituting the surface material and the core material are selected so that a ratio V.sub.C /V.sub.N between a melt viscosity V.sub.C of the surface material and a melt viscosity V.sub.N of the core material at a temperature and a shear rate at the time of the compression molding is less than or approximately equal to 1.6.

    摘要翻译： 信息信号记录介质包括由非导电材料制成的芯材料和由导电材料制成的表面材料并且与芯材料的至少一个表面紧密粘合。 根据要记录在记录介质上的信息信号的几何构型的变化在表面材料上进行压缩模制。 选择构成表面材料和芯材的材料，使得在压缩时的温度和剪切速率下，表面材料的熔融粘度VC与芯材料的熔融粘度VN之间的VC / VN比 成型度小于或等于1.6。

    Image forming apparatus, method of gamma correction and storage medium storing gamma correction program
    3.
    发明授权
    Image forming apparatus, method of gamma correction and storage medium storing gamma correction program 有权
    图像形成装置，伽马校正方法和存储伽马校正程序的存储介质

    公开(公告)号：US08014689B2

    公开(公告)日：2011-09-06

    申请号：US12121237

    申请日：2008-05-15

    申请人： Akira Nishizawa

    发明人： Akira Nishizawa

    IPC分类号： G03G15/00

    CPC分类号： G03G15/5062 ,  G03G15/5041 ,  G03G2215/00029

    摘要： An image forming apparatus is configured to control the density of an output image based on an inherent gamma characteristic of the apparatus. The apparatus includes a patch image forming unit that forms patch images having multiple gradation values, a measuring unit that measures the density or lightness of each patch image, a sample point arrangement unit that arranges sample points representative of measured density or lightness values in a descending or ascending order of the gradation values, an inflection point region detecting unit that detects any specific inflection point region, a straight line region detecting unit that detects any specific straight line region, an interpolating unit that interpolates by adding and/or deleting a specific sample point depending upon whether (i) an inflection point region is detected, (ii) a straight line region is detected, or (iii) neither an inflection point region nor a straight line region is detected.

    摘要翻译： 图像形成装置被配置为基于装置的固有伽马特性来控制输出图像的浓度。 该装置包括形成具有多个灰度值的贴片图像的贴片图像形成单元，测量每个贴片图像的浓度或亮度的测量单元，将代表测量的密度或亮度值的样本点排列在降序中的采样点排列单元 或渐变值的升序，检测任何特定拐点区域的拐点区域检测单元，检测任何特定直线区域的直线区域检测单元，通过添加和/或删除特定样品进行内插的内插单元 取决于是否检测到（i）拐点区域，（ii）检测到直线区域，或（iii）也没有检测到拐点区域和直线区域。

    INFORMATION RECORDING MEDIUM HAVING SUBSTRATE WITH MICROSCOPIC PATTERN AND REPRODUCING APPARATUS THEREFOR
    5.
    发明申请
    INFORMATION RECORDING MEDIUM HAVING SUBSTRATE WITH MICROSCOPIC PATTERN AND REPRODUCING APPARATUS THEREFOR 审中-公开
    具有显微图案的基板的信息记录介质及其再现装置

    公开(公告)号：US20090103423A1

    公开(公告)日：2009-04-23

    申请号：US12336168

    申请日：2008-12-16

    申请人： Tetsuya Kondo ,  Akira Nishizawa

    发明人： Tetsuya Kondo ,  Akira Nishizawa

    IPC分类号： G11B7/135 ,  G11B7/24

    CPC分类号： G11B27/24 ,  G11B7/007 ,  G11B7/24079 ,  G11B7/24082 ,  G11B7/26 ,  G11B7/261 ,  G11B7/263 ,  G11B11/10578 ,  G11B11/10584 ,  G11B2220/218 ,  G11B2220/2562

    摘要： A recording medium includes a substrate having a microscopic pattern, which includes a shape of continuous substance of approximately parallel grooves formed with a convex shaped section and a concave shaped section alternating on a surface of the substrate. A recording layer is formed on the microscopic pattern and a light transmitting layer has a thickness of 0.05 mm to 0.12 mm formed on the recording layer. The microscopic pattern satisfies a relation of P≦λ/NA, wherein P is a pitch of the convex shaped section, λ is a wavelength of a reproducing light beam and NA is a numerical aperture of an objective lens. The microscopic pattern also includes modulated address information formed on both side walls of the convex shaped section viewed from the light transmitting layer as a wobble, both the side walls being parallel to each other, and furthermore wherein the address information is modulated by the phase-shift keying modulation system. A reproducing apparatus is particularly suited for the recording medium.

    摘要翻译： 记录介质包括具有微观图案的基板，其包括形成有凸形截面的大致平行凹槽的形状和在基板的表面上交替的凹形部分的形状。 在微观图案上形成记录层，在记录层上形成厚度为0.05mm〜0.12mm的透光层。 微观图案满足P <=λ/ NA的关系，其中P是凸形部分的间距，λ是再现光束的波长，NA是物镜的数值孔径。 微观图案还包括形成在从光透射层观察的凸形部分的两个侧壁上的调制地址信息作为摆动，两个侧壁彼此平行，此外，地址信息被相位调制， 移位键控调制系统。 再现装置特别适用于记录介质。

    Information recording medium having parallel grooves with alternating convex-concave sections
    7.
    发明申请
    Information recording medium having parallel grooves with alternating convex-concave sections 有权
    信息记录媒体，具有交替凸凹部分的平行槽

    公开(公告)号：US20050099934A1

    公开(公告)日：2005-05-12

    申请号：US11008405

    申请日：2004-12-10

    申请人： Tetsuya Kondo ,  Akira Nishizawa

    发明人： Tetsuya Kondo ,  Akira Nishizawa

    IPC分类号： G11B7/24 ,  G11B7/007 ,  G11B7/135 ,  G11B7/26 ,  G11B20/14 ,  G11B27/19 ,  G11B27/24 ,  G11B5/09

    CPC分类号： G11B27/24 ,  G11B7/007 ,  G11B7/24079 ,  G11B7/24082 ,  G11B7/26 ,  G11B7/261 ,  G11B7/263 ,  G11B11/10578 ,  G11B11/10584 ,  G11B2220/218 ,  G11B2220/2562

    摘要： A recording medium includes a substrate having a microscopic pattern, which includes a shape of continuous substance of approximately parallel grooves formed with a convex shaped section and a concave shaped section alternating on a surface of the substrate. A recording layer is formed on the microscopic pattern and a light transmitting layer has a thickness of 0.05 mm to 0.12 mm formed on the recording layer. The microscopic pattern satisfies a relation of P≦λ/NA, wherein P is a pitch of the convex shaped section, λ is a wavelength of a reproducing light beam and NA is a numerical aperture of an objective lens. The microscopic pattern also includes modulated address information formed on both side walls of the convex shaped section viewed from the light transmitting layer as a wobble, both the side walls being parallel to each other, and furthermore wherein the address information is modulated by the phase-shift keying modulation system. A reproducing apparatus is particularly suited for the recording medium.

    摘要翻译： 记录介质包括具有微观图案的基板，其包括形成有凸形截面的大致平行凹槽的形状和在基板的表面上交替的凹形部分的形状。 在微观图案上形成记录层，在记录层上形成厚度为0.05mm〜0.12mm的透光层。 微观图案满足P <=λ/ NA的关系，其中P是凸形部分的间距，λ是再现光束的波长，NA是物镜的数值孔径。 微观图案还包括形成在从光透射层观察的凸形部分的两个侧壁上的调制地址信息作为摆动，两个侧壁彼此平行，此外，地址信息被相位调制， 移位键控调制系统。 再现装置特别适用于记录介质。

    Method and apparatus for the fabrication of optical record media such as a digital audio disc
    9.
    发明授权
    Method and apparatus for the fabrication of optical record media such as a digital audio disc 失效
    用于制造诸如数字音频盘的光学记录介质的方法和装置

    公开(公告)号：US5078947A

    公开(公告)日：1992-01-07

    申请号：US414145

    申请日：1989-09-28

    申请人： Akira Nishizawa ,  Tetsuya Kondo

    发明人： Akira Nishizawa ,  Tetsuya Kondo

    IPC分类号： B29C43/18 ,  B29C35/08 ,  B29C43/02 ,  B29C43/36 ,  B29C59/02 ,  B29D17/00 ,  B29K69/00 ,  B29L17/00 ,  G11B7/26

    CPC分类号： B29C43/003 ,  B29C35/0888 ,  B29C43/021 ,  B29C59/02 ,  B29D17/005 ,  G11B7/263 ,  B29C2035/0827 ,  B29C2043/025 ,  B29C2791/006 ,  B29K2909/00 ,  Y10S425/81

    摘要： A novel optodynamic method and apparatus for the manufacture of an optical record medium of the type having a multiplicity of pits or like optically detectable marks representative of digitized information to be reproduced wherein a stamper is provided which is of quartz glass or like material that transmits ultraviolet radiation and which has a stamping surface shaped as a negative of the optically detectable marks to be created, the stamping surface is pressed against a blank sheet of polycarbonate or like plastic that absorbs ultraviolet radiation the surfaces of blank sheet is irradiated with ultraviolet light through the stamper whereby the surface of the blank sheet gels, or softens, to permit the optically detectable marks to be impressed thereon. The stamping may be dome in a partial vacuum in order to assure closer contact between the stamper and the blank sheet.

    摘要翻译： 一种用于制造具有多个凹坑或类似光学可检测标记的类型的光学记录介质的新颖的光动力学方法和装置，其表示要再现的数字化信息，其中设置有传递紫外线的石英玻璃或类似材料的压模 辐射，其具有被形成为要产生的光学可检测标记的负的冲压表面，冲压表面被压在聚碳酸酯或类似塑料的空白片上，吸收紫外线辐射，空白片材的表面通过紫外线照射通过 压模，由此坯料的表面凝胶化或软化，以允许光学可检测标记印在其上。 为了确保压模和坯料之间的更紧密接触，冲压可以在部分真空中成圆顶。

    Information signal recording medium electrostatic capacitance type
    10.
    发明授权
    Information signal recording medium electrostatic capacitance type 失效
    信息信号记录介质静电电容型

    公开(公告)号：US4827466A

    公开(公告)日：1989-05-02

    申请号：US898778

    申请日：1986-08-19

    申请人： Akira Nishizawa

    发明人： Akira Nishizawa

    IPC分类号： G11B9/06 ,  G11B11/08

    CPC分类号： G11B9/06

    摘要： A recording medium of electrostatic capacitance type is recorded with an information signal thereon as variation of geometrical shape of the recording surface part of the recording medium. The signal is reproduced from the recording medium by the variation, in response to the variation of geometrical shape, of the electrostatic capacitance between an electrode of a reproducing stylus tracing relatively the recording surface of the medium and the surface part. At least the surface part of the recording medium having the geometric shape variation is formed by a synthetic resin into which an electroconductive material has been admixed. The synthetic resin forms an outer surface cover of the surface part of the medium thereby to prevent exposure of the electroconductive material to the outside.

    摘要翻译： 作为记录介质的记录表面部分的几何形状的变化，以其信息信号记录静电电容型的记录介质。 响应于几何形状的变化，通过相对于介质的记录表面跟踪的再现触针的电极与表面部分之间的静电电容的变化，从记录介质再现信号。 至少具有几何形状变化的记录介质的表面部分由已经混合了导电材料的合成树脂形成。 合成树脂形成介质的表面部分的外表面覆盖物，从而防止导电材料暴露于外部。