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    • 2. 发明申请
    • OPTICAL PICK UP, OPTICAL DRIVE DEVICE, AND LIGHT IRRADIATION METHOD
    • 光学拾取,光学驱动器件和光照射方法
    • US20130010583A1
    • 2013-01-10
    • US13634953
    • 2011-03-26
    • Hirotaka MiyamotoKimihiro SaitoNorihiro Tanabe
    • Hirotaka MiyamotoKimihiro SaitoNorihiro Tanabe
    • G11B7/1374G11B7/1353
    • G11B7/1376G11B7/0908G11B7/0938G11B7/0953G11B2007/0009
    • The present invention relates to an optical pick, an optical drive device, and a light irradiation method capable of suppressing a generated amount of shift Δx of a spot position.The optical pickup irradiates an optical recording medium through a common objective lens which irradiates a first light for use in information recording in or information reproduction from a recording layer and a second light different from the first light, the optical recording medium includes a reference surface having a reflection film in which a position director is formed in a spiral form or the like form, and the recording layer which is provided in a layer position different from the reference surface and in which a mark corresponding to irradiation of light is formed and hence information is recorded. The optical pickup adjusts a focusing position of the first light having passed through the objective lens by changing collimation of the first light entering the objective lens, thereby suppressing the shift Δx of a spot position between the first light and the second light which occurs due to the eccentricity of the optical recording medium. A magnification of the second light is within a magnification range of the first light.
    • 光拾取器,光驱动装置和光照射方法技术领域本发明涉及能够抑制斑点位置的发生移位量Dgr×D的光拾取器,光驱动装置和光照射方法。 光拾取器通过照射用于信息记录的第一光或从记录层的信息再现的第一光和与第一光不同的第二光的公共物镜照射光记录介质,光记录介质包括具有 其中位置导向器形成为螺旋形状或类似形式的反射膜,以及设置在与参考表面不同的层位置并且其中形成有与光的照射相对应的标记的记录层,因此信息 被记录。 光学拾取器通过改变进入物镜的第一光的准直来调节已经通过物镜的第一光的聚焦位置,从而抑制发生在第一光和第二光之间的光点位置的偏移&Dgr; x 由于光记录介质的偏心。 第二光的放大率在第一光的放大范围内。
    • 5. 发明授权
    • Optical drive device and tilt detection method
    • 光驱装置及倾斜检测方法
    • US08254223B2
    • 2012-08-28
    • US12906477
    • 2010-10-18
    • Kimihiro SaitoTakeshi KuboNorihiro Tanabe
    • Kimihiro SaitoTakeshi KuboNorihiro Tanabe
    • G11B7/00
    • G11B7/0956G11B7/0065G11B2007/0013
    • An optical drive device for performing information recording or reproduction of recorded information by formation of a mark by focusing a first light at a necessary position in a recording layer of an optical recording medium by an objective lens includes a position control unit configured to focus a second light on a reflection film, in which a position guide element of the optical recording medium is formed, through the objective lens and to enable the spot position of the second light to follow the position guide element based on the reflected light of the second light focused on the reflection film so as to control the position of the objective lens. The optical drive device further includes a first focusing unit, a first light-sensing portion, and a surface reflection light deviation amount detection unit.
    • 一种光学驱动装置,用于通过用物镜聚焦在光学记录介质的记录层中的必要位置处的第一光来形成标记来执行记录信息的记录或再现,所述光学驱动装置包括:位置控制单元, 通过物镜形成光记录介质的位置引导元件的反射膜上的光,并且能够基于第二光聚焦的反射光使第二光的光点位置跟随位置引导元件 在反射膜上,以便控制物镜的位置。 光驱装置还包括第一聚焦单元,第一光感测部分和表面反射光偏差量检测单元。
    • 6. 发明申请
    • OPTICAL DISK DEVICE, OPTICAL PICKUP, AND OPTICAL RECORDING MEDIUM
    • 光盘设备,光学拾取和光学记录介质
    • US20120163141A1
    • 2012-06-28
    • US13391026
    • 2010-08-12
    • Norihiro TanabeKimihiro Saito
    • Norihiro TanabeKimihiro Saito
    • G11B7/09
    • G11B7/1392G11B7/00452G11B7/08511G11B7/1378G11B7/24044G11B7/2405
    • The present invention can properly correct spherical aberration.An optical disk device (10) displaces an objective lens (18) so that the objective lens is displaced to a reference lens position as a reference. The optical disk device (10) controls an information light condensing point changing mechanism (55) so as to adjust the focus (FM) of an information light beam (LM) to a recording depth (X) at which the information light beam (LM) is to be applied in a state of the objective lens (18) being placed at a reference lens position (SL). The optical disk device (10) controls a servo light condensing point changing mechanism (35) so as to adjust the focus (FS) of a servo light beam (LS) to a servo layer (104) in the state of the objective lens (18) being placed at the reference lens position (SL).
    • 本发明可以适当地矫正球面像差。 光盘装置(10)移动物镜(18),使得物镜移位到基准透镜位置作为基准。 光盘装置(10)控制信息聚光点改变机构(55),以将信息光束(LM)的聚焦(FM)调整到信息光束(LM)的记录深度(X) )被施加在放置在基准透镜位置(SL)的物镜(18)的状态。 光盘装置(10)控制伺服聚光点改变机构(35),以便在物镜的状态下将伺服光束(LS)的聚焦(FS)调整到伺服层(104) 18)放置在基准透镜位置(SL)。
    • 7. 发明申请
    • MICROSCOPE AND GHOSTING ELIMINATION METHOD
    • 微阵列和消除消除方法
    • US20120038978A1
    • 2012-02-16
    • US13196077
    • 2011-08-02
    • Norihiro TanabeTakashi Yamamoto
    • Norihiro TanabeTakashi Yamamoto
    • G02B21/06
    • G02B27/0018G02B21/18G02B21/245G02B21/247
    • A microscope includes a first imaging optical system that images sample transmitted light transmitted through a sample provided on a stage, and a second imaging optical system that images a part of the sample transmitted light branched from the first imaging optical system. Here, the second imaging optical system includes a light beam branching element that branches the part of the sample transmitted light from the first imaging optical system, and has a thickness of a predetermined threshold or more, an imaging element that images a phase difference image of the branched sample transmitted light, one or a plurality of optical elements that images an image of the phase difference image of the branched sample transmitted light on the imaging element, and a filter that shields a part of the branched sample transmitted light imaged on the imaging element.
    • 显微镜包括:第一成像光学系统,其对通过设置在台架上的样本透射的透射光进行成像;第二成像光学系统,其对从第一成像光学系统分支的透射光进行成像。 这里,第二成像光学系统包括光束分支元件,其将来自第一成像光学系统的样本透射光的一部分分支,并且具有预定阈值或更大的厚度;成像元件,其对 分支样本透射光,将成像元件上的分支样本透射光的相位差图像的图像成像的一个或多个光学元件和屏蔽成像在成像上的分支样本透射光的一部分的滤光器 元件。