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1. 发明授权

US06570827B1 OPTICAL ELEMENT FOR CORRECTION OF CHROMATIC ABERRATION, OPTICAL PICK-UP DEVICE HAVING OPTICAL ELEMENT FOR CORRECTION OF CHROMATIC ABERRATION, OPTICAL REPRODUCING DEVICE HAVING OPTICAL PICK-UP DEVICE AND OPTICAL RECORDING AND REPRODUCING DEVICE 失效
标题翻译：用于校正色差的光学元件，具有用于校正色差的光学元件的光学拾取器件，具有光学拾取器件的光学再现器件和光学记录和再现器件
公开(公告)号：US06570827B1
公开(公告)日：2003-05-27
申请号：US09336505
申请日：1999-06-18
申请人： Kenji Yamamoto , Isao Ichimura , Fumisada Maeda , Toshio Watanabe , Akira Suzuki , Kiyoshi Osato
发明人： Kenji Yamamoto , Isao Ichimura , Fumisada Maeda , Toshio Watanabe , Akira Suzuki , Kiyoshi Osato
IPC分类号： G11B700
CPC分类号： G11B7/13922 , G11B7/1378 , G11B2007/0006
摘要： This invention provides an optical element for correcting a chromatic aberration corresponding to a short wavelength of a light source and further provides an optical pick-up device having the optical element for correcting a chromatic aberration and adapting for a further higher recording density and larger capacity of the optical recording medium, the optical reproducing device and the optical recording and reproducing device. The optical element for correcting a chromatic aberration arranged between a light source such as a semiconductor laser or the like with a wavelength being 440 nm or less and an objective with numerical aperture NA being 0.55 or more, a focal distance being 1.8 mm or more and an Abbe number at the d-line (587.6 nm) being 95.0 or less has a convex lens with at least an Abbe number at the d-line being 55 or more and a concave lens with an Abbe number at the d-line being 35 or less.
摘要翻译：本发明提供一种用于校正对应于光源的短波长的色像差的光学元件，并且还提供一种具有用于校正色像差的光学元件并适应更高记录密度和更大容量的光学拾取装置光学记录介质，光学再现装置和光学记录和再现装置。用于校正布置在诸如半导体激光器等的光源之类的波长为440nm以下且具有数值孔径NA为0.55以上的目标的光学元件，焦距为1.8mm以上，在d线（587.6nm）为95.0以下的阿贝数具有在d线上至少为阿贝数为55以上的凸透镜，在d线为阿贝数的凹透镜为35 或更少。

2. 发明授权

US07550707B2 Biometrics authentication system with authentication based upon multiple layers 失效
标题翻译：基于多层认证的生物识别认证系统
公开(公告)号：US07550707B2
公开(公告)日：2009-06-23
申请号：US12071638
申请日：2008-02-25
申请人： Gakuji Hashimoto , Kiyoshi Osato , Isao Ichimura , Toshio Watanabe , Takashi Nakao , Kenji Yamamoto , Hideo Sato , Junji Kajihara , Kengo Hayasaka
发明人： Gakuji Hashimoto , Kiyoshi Osato , Isao Ichimura , Toshio Watanabe , Takashi Nakao , Kenji Yamamoto , Hideo Sato , Junji Kajihara , Kengo Hayasaka
IPC分类号： G08B13/18 , G06F7/04
CPC分类号： G06K9/20 , G06K2009/00932 , G07C9/00158
摘要： A biometrics authentication system capable of achieving high precision and high safety is provided. A biometrics authentication system includes: a light source applying light to a living organism; a microlens array section condensing light from the living organism, and including a plurality of microlenses each having a different refractive power; an image pickup device obtaining image pickup data on a plurality of layers of the living organism on the basis of light condensed by the microlens array section; and an authentication section performing authentication of the living organism on the basis of image pickup data on the plurality of layers of the living organism.
摘要翻译：提供了能够实现高精度和高安全性的生物识别认证系统。生物识别认证系统包括：向生物体施加光的光源; 凝结来自活体的光的微透镜阵列部分，并且包括各自具有不同屈光力的多个微透镜; 图像拾取装置，基于由微透镜阵列部分会聚的光，在生物体的多层上获得图像拾取数据; 以及认证部，其基于生物体的多个层上的图像拾取数据进行生物体的认证。

3. 发明申请

US20080211628A1 Biometric authentic device 失效
标题翻译：生物识别设备
公开(公告)号：US20080211628A1
公开(公告)日：2008-09-04
申请号：US12071638
申请日：2008-02-25
申请人： Gakuji Hashimoto , Kiyoshi Osato , Isao Ichimura , Toshio Watanabe , Takashi Nakao , Kenji Yamamoto , Hideo Sato , Junji Kajihara , Kengo Hayasaka
发明人： Gakuji Hashimoto , Kiyoshi Osato , Isao Ichimura , Toshio Watanabe , Takashi Nakao , Kenji Yamamoto , Hideo Sato , Junji Kajihara , Kengo Hayasaka
IPC分类号： G05B19/00
CPC分类号： G06K9/20 , G06K2009/00932 , G07C9/00158
摘要： A biometrics authentication system capable of achieving high precision and high safety is provided. A biometrics authentication system includes: a light source applying light to a living organism; a microlens array section condensing light from the living organism, and including a plurality of microlenses each having a different refractive power; an image pickup device obtaining image pickup data on a plurality of layers of the living organism on the basis of light condensed by the microlens array section; and an authentication section performing authentication of the living organism on the basis of image pickup data on the plurality of layers of the living organism.
摘要翻译：提供了能够实现高精度和高安全性的生物识别认证系统。生物识别认证系统包括：向生物体施加光的光源; 凝结来自活体的光的微透镜阵列部分，并且包括各自具有不同屈光力的多个微透镜; 图像拾取装置，基于由微透镜阵列部分会聚的光，在生物体的多层上获得图像拾取数据; 以及认证部，其基于生物体的多个层上的图像拾取数据进行生物体的认证。

4. 发明授权

US06594204B1 Lens holder, method for manufacturing lens holder, metal die for producing lens holder and objective lens device 失效
标题翻译：透镜架，透镜架的制造方法，用于制造透镜夹的金属模和物镜装置
公开(公告)号：US06594204B1
公开(公告)日：2003-07-15
申请号：US09532177
申请日：2000-03-20
申请人： Kenji Yamamoto , Fumisada Maeda , Kiyoshi Osato
发明人： Kenji Yamamoto , Fumisada Maeda , Kiyoshi Osato
IPC分类号： G11B700
CPC分类号： G11B7/22 , B29C45/26 , G02B7/02 , G11B7/1374 , G11B2007/13727
摘要： A lens holder which is able to secure plural lenses in an adjustment-free fashion and to achieve relative positioning between the lenses to high precision. To this end, a first reference surface for the optical axis direction 4a1 and a second reference surface for the optical axis direction 4b1 of a second mounting portion 4b are formed towards the object point side to serve as a reference surface for determining the separation along the optical axis between the first and second lenses 2, 3. The first reference surface for the optical axis direction 4a1 and the second reference surface for the optical axis direction 4b1 also operate for controlling the tilt of the lenses 2, 3.
摘要翻译：一种能够以无调节的方式固定多个透镜并且以高精度实现透镜之间的相对定位的透镜保持器。为此，朝向物点侧形成光轴方向4a1的第一参考面和第二安装部4b的光轴方向4b1的第二基准面，作为用于确定沿着第一和第二透镜2,3之间的光轴。光轴方向4a1的第一参考表面和光轴方向4b1的第二参考表面也用于控制透镜2,3的倾斜。

5. 发明授权

US06829210B2 Optical head and optical pickup 失效
标题翻译：光头和光学拾音器
公开(公告)号：US06829210B2
公开(公告)日：2004-12-07
申请号：US09947472
申请日：2001-09-07
申请人： Kenji Yamamoto , Kiyoshi Osato , Fumisada Maeda
发明人： Kenji Yamamoto , Kiyoshi Osato , Fumisada Maeda
IPC分类号： G11B7135
CPC分类号： G11B7/1378 , G11B7/1374
摘要： An optical head has achromatic lenses which a blue or blue-violet laser beam from a laser diode strikes, object lenses for condensing the laser beam passing through the achromatic lenses on an optical disc, lens holders and for holding the achromatic lenses and the object lenses so that their optical axes coincide, and actuators and for moving the lens holders in the focus direction and/or tracking direction of the optical disc. The lens holders are fixed to each other and the lenses are moved as one part by the actuators.
摘要翻译：光头具有来自激光二极管的蓝色或蓝紫色激光束的消色差透镜，用于将穿过光盘上的消色差透镜的激光束聚焦的物镜，透镜保持器以及用于保持消色差透镜和物镜使得它们的光轴重合，并且用于在光盘的聚焦方向和/或跟踪方向上移动透镜保持器。透镜架彼此固定，透镜由致动器一部分移动。

6. 发明授权

US06307689B1 Optical head and drive device for optical recording medium 失效
标题翻译：用于光学记录介质的光头和驱动装置
公开(公告)号：US06307689B1
公开(公告)日：2001-10-23
申请号：US09581987
申请日：2000-08-17
申请人： Isao Ichimura , Koichiro Kishima , Kenji Yamamoto , Kiyoshi Osato
发明人： Isao Ichimura , Koichiro Kishima , Kenji Yamamoto , Kiyoshi Osato
IPC分类号： G02B702
CPC分类号： G11B7/1374 , B82Y10/00 , G11B7/0901 , G11B7/0914 , G11B7/0925 , G11B7/131 , G11B7/1387 , G11B2007/13727
摘要： An optical head (1) having an optical means for focusing a laser beam to irradiate an optical recording medium (51) is equipped with an objective lens (2) focusing a laser beam L, and a solid immersion lens (3) disposed between the objective lens (2) and the optical recording medium (51), the head comprising a holder member (4) for integrally retaining the lenses (2) and (3) and a moving mechanism (5a) for moving the holder member in a direction along an optical axis of the lenses (2) and (3), wherein an electrically conductive material is used on a surface of the optical head facing the optical recording medium (51). The numerical aperture can be made large by the solid immersion lens (3). Moreover, the air gap can be controlled with high precision according to the electrostatic capacity formed between the electrically conductive material and the optical recording medium (51). Furthermore, the moving mechanism (5a) and the signal processing for the focus servo operation can be made simpler.
摘要翻译：具有用于聚焦激光束以照射光学记录介质（51）的光学装置的光学头（1）配备有聚焦激光束L的物镜（2）和设置在光学记录介质物镜（2）和光记录介质（51），头部包括用于一体地保持透镜（2）和（3）的保持构件（4）和移动机构（5a）沿着透镜（2）和（3）的光轴，其中在面向光学记录介质（51）的光学头的表面上使用导电材料。可以通过固体浸没透镜（3）使数值孔径变大。此外，可以根据导电材料和光记录介质（51）之间形成的静电电容，高精度地控制气隙。此外，可以使移动机构（5a）和聚焦伺服操作的信号处理更简单。

7. 发明授权

US07058000B2 Information recording disc having an anti-reflection layer and information recording/reproducing apparatus 失效
标题翻译：具有防反射层和信息记录/再现装置的信息记录盘
公开(公告)号：US07058000B2
公开(公告)日：2006-06-06
申请号：US10748280
申请日：2003-12-31
申请人： Koichiro Kishima , Isao Ichimura , Yuji Kuroda , Kiyoshi Osato
发明人： Koichiro Kishima , Isao Ichimura , Yuji Kuroda , Kiyoshi Osato
IPC分类号： G11B3/70
CPC分类号： G11B11/10584 , B82Y10/00 , G11B7/1387 , G11B7/24 , G11B7/24056
摘要： An anti-reflection coating layer is formed on the surface portion of a recording medium. This enables to obtain a margin for the air gap thickness change when recording/reproducing an information signal using the “near-field technique” as well as minimize a data loss caused by a collision. Furthermore, the present invention provides a film configuration which can easily be produced.
摘要翻译：在记录介质的表面部分上形成防反射涂层。这使得能够在使用“近场技术”记录/再现信息信号时获得气隙厚度变化的余量，并且使由碰撞导致的数据丢失最小化。此外，本发明提供一种容易制造的膜结构。

8. 发明授权

US06826133B2 Optimizing a distance between lenses of a two objective lens for minimizing wavefront aberration and offsetting focus control 失效
标题翻译：优化两个物镜的透镜之间的距离，以最小化波前像差和偏移焦点控制
公开(公告)号：US06826133B2
公开(公告)日：2004-11-30
申请号：US09330894
申请日：1999-06-11
申请人： Isao Ichimura , Tatsuya Narahara , Kiyoshi Osato
发明人： Isao Ichimura , Tatsuya Narahara , Kiyoshi Osato
IPC分类号： G11B785
CPC分类号： G11B7/1374 , G11B7/08511 , G11B7/0945 , G11B7/13925 , G11B2007/13727
摘要： Disclosed are an optical information recording/reproducing apparatus and an optical information recording/reproducing method for simultaneously optimizing a distance between lenses constituting a two-objective lens and an offset in focus control. The apparatus includes a first electromagnetic actuator and a second electromagnetic actuator for cyclically moving a first lens and a second lens in the direction of the optical axis thereof; and a position control circuit for performing, upon focusing operation, the positional adjustment of the first lens and the second lens after start-up of focus control, on the basis of reproducing signals obtained from an optical disk at both ends of the cyclic movement of the first and second lenses by the first and second electromagnetic actuators.
摘要翻译：公开了一种用于同时优化构成双目镜的透镜与聚焦控制偏移之间的距离的光信息记录/再现装置和光信息记录/再现方法。该装置包括第一电磁致动器和第二电磁致动器，用于在第一透镜和第二透镜的光轴方向上循环移动第一透镜和第二透镜; 以及位置控制电路，用于在聚焦操作时，根据从循环运动两端的光盘获得的再现信号，进行聚焦控制启动之后的第一透镜和第二透镜的位置调整第一和第二透镜由第一和第二电磁致动器。

9. 发明授权

US06987725B2 Optical recording medium with high density track pitch and optical disk drive for recording and playback of the same 失效
标题翻译：具有高密度轨道间距的光记录介质和用于记录和重放的光盘驱动器
公开(公告)号：US06987725B2
公开(公告)日：2006-01-17
申请号：US11081555
申请日：2005-03-17
申请人： Isao Ichimura , Kiyoshi Osato , Jun Nakano , Shin Masuhara
发明人： Isao Ichimura , Kiyoshi Osato , Jun Nakano , Shin Masuhara
IPC分类号： G11G7/24
CPC分类号： G11B7/24 , G11B7/007 , G11B7/00718 , G11B7/24079 , G11B7/24082
摘要： The present invention provides an optical recording medium and an optical disk device realizing prevention of crosswrite and uniformity of playback signals and capable of easily securing compatibility with a read only disk. It provides an optical recording medium on which light LB condensed by a lens (12, 14) having a numerical aperture of 0.85±0.1 and a wavelength of 405±5 nm is focused for recording or playback, having a substrate 1 formed with a groove 2 in its surface, an optical recording layer 3 formed on the substrate and having topography corresponding to the groove, and a light transmission type protection layer 4 formed on the optical recording layer; used when light for recording or playback is focused from the protection layer side to the optical recording layer; using as a recording area only the optical recording layer of one of a side far from the emitting side of the light for recording or playback, that is, a portion corresponding to a recessed portion of the topography, and a side close to it, that is, a portion corresponding to a projecting portion; having a track pitch of 0.32±0.01 μm; and having a depth D2 of a recessed portion with respect to a projecting portion in the range of 19 to 24 nm.
摘要翻译：本发明提供了一种光学记录介质和光盘装置，其实现了防止重放信号的横向和均匀性并且能够容易地确保与只读盘的兼容性。它提供了一种光学记录介质，其上聚焦有数字孔径为0.85±0.1和波长为405±5nm的透镜（12,14）的光LB用于记录或重放，其具有形成有凹槽 2，形成在基板上并且具有与凹槽对应的形貌的光学记录层3和形成在光学记录层上的透光型保护层4; 用于记录或重放的光从保护层侧聚焦到光学记录层; 仅使用远离用于记录或重放的光的发射侧的一侧的光记录层，即与形貌的凹陷部相对应的部分和靠近它的一侧的光记录层，是对应于突出部分的部分; 轨道间距为0.32±0.01 mum; 相对于突出部的凹部的深度D 2在19〜24nm的范围内。

10. 发明申请

US20050157635A1 Optical recording medium with high density track pitch and optical disk drive for recording and playback of the same 失效
公开(公告)号：US20050157635A1
公开(公告)日：2005-07-21
申请号：US11081556
申请日：2005-03-17
申请人： Isao Ichimura , Kiyoshi Osato , Jun Nakano , Shin Masuhara
发明人： Isao Ichimura , Kiyoshi Osato , Jun Nakano , Shin Masuhara
IPC分类号： G11B7/007 , G11B7/24
CPC分类号： G11B7/24 , G11B7/007 , G11B7/00718 , G11B7/24079 , G11B7/24082
摘要： The present invention provides an optical recording medium and an optical disk device realizing prevention of crosswrite and uniformity of playback signals and capable of easily securing compatibility with a read only disk. It provides an optical recording medium on which light LB condensed by a lens (12, 14) having a numerical aperture of 0.85±0.1 and a wavelength of 405±5 nm is focused for recording or playback, having a substrate 1 formed with a groove 2 in its surface, an optical recording layer 3 formed on the substrate and having topography corresponding to the groove, and a light transmission type protection layer 4 formed on the optical recording layer; used when light for recording or playback is focused from the protection layer side to the optical recording layer; using as a recording area only the optical recording layer of one of a side far from the emitting side of the light for recording or playback, that is, a portion corresponding to a recessed portion of the topography, and a side close to it, that is, a portion corresponding to a projecting portion; having a track pitch of 0.32±0.01 μm; and having a depth D2 of a recessed portion with respect to a projecting portion in the range of 19 to 24 nm.

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