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    • 2. 发明申请
    • Optical Connector and Optical Tomograph
    • 光学连接器和光学断层扫描仪
    • US20120069348A1
    • 2012-03-22
    • US13322149
    • 2010-03-05
    • Junichi JonoKatsumi FujiwaraFumio Nagai
    • Junichi JonoKatsumi FujiwaraFumio Nagai
    • G01B9/02G02B6/38
    • G02B6/382A61B5/0059G02B6/3604G02B6/3809G02B6/3825
    • Provided are an optical connector and an optical tomographic imaging apparatus, by which no noise occurs and a high quality image without a distortion can be obtained. In the optical connector, optical fibers are inserted into a lumen of a tube from opposite ends thereof; one of the optical fibers is fixed to the tube and the other optical fiber is held so as to be rotatable relative to the tube; an end of one of the optical fibers is separated from an end of the other optical fiber to form a gap therebetween in the lumen; a connecting section which connects the exterior space of the tube and the gap is formed; and a liquid or fluid made of a material which can transmit light is held in the exterior space, the gap, and the connecting section. Consequently, a significant pressure variation in matching liquid does not occur if the distance between the facing optical fibers changes
    • 提供了一种光学连接器和光学断层摄影成像装置,其不产生噪声,并且可以获得没有变形的高质量图像。 在光连接器中,光纤从其相对端插入到管的内腔中; 光纤中的一个被固定到管,另一个光纤被保持成可相对于管旋转; 一根光纤的一端与另一根光纤的一端分离,在内腔之间形成间隙; 形成连接管的外部空间和间隙的连接部, 并且由能够透过光的材料制成的液体或流体被保持在外部空间,间隙和连接部分中。 因此,如果相对的光纤之间的距离发生变化,则不会发生匹配液体中显着的压力变化
    • 3. 发明申请
    • Optical pickup device
    • 光学拾取装置
    • US20070223324A1
    • 2007-09-27
    • US11657219
    • 2007-01-24
    • Katsumi Fujiwara
    • Katsumi Fujiwara
    • G11B7/00
    • G11B7/0937G11B7/125
    • A piezoelectric element of a driving device is arranged on the opposite side of the light source, when an optical pickup device is divided by a plane that includes an optical axis of an objective lens and perpendicularly intersects the axis line of a light flux entering a raising mirror, that has come from the light source, whereby, it is possible to cause optical elements existing between the objective lens and the laser light source to be away from the piezoelectric element, and thereby to avoid an influence of heat even when a gap between members is reduced.
    • 驱动装置的压电元件设置在光源的相反侧,当光学拾取装置被包括物镜的光轴的平面划分,并且垂直于与进入提升的光通量的轴线相交时 可以使存在于物镜和激光光源之间的光学元件远离压电元件,从而即使在光学元件之间的间隙也能够避免热量的影响的情况下, 会员减少
    • 10. 发明申请
    • Assembly method of optical pickup and optical pickup apparatus
    • 光拾取装置的装配方法
    • US20060018214A1
    • 2006-01-26
    • US11181630
    • 2005-07-13
    • Hideyuki FujiiTatsuji KurogamaKatsuya YagiKatsumi Fujiwara
    • Hideyuki FujiiTatsuji KurogamaKatsuya YagiKatsumi Fujiwara
    • G11B7/00
    • G11B7/1275G11B7/082G11B7/22G11B2007/0006
    • A method for assembling an optical pickup apparatus for recording/reproducing a high density DVD, DVD and CD including two objective lens and three laser light sources, the objective lenses being provided on the lens holder having an actuator base for supporting the actuator, the method for assembling the optical pickup apparatus comprises the steps of adjusting a first tilt angle of the actuator base so that a coma aberration of a spot formed by the first light beams decreases when the first light beams are converged onto the first recording medium via the first objective lens, and adjusting a second tilt angle formed between the second objective lens and the lens holder so that a coma aberration of a beam spot formed by the second light beams decreases when the second light beams are converged onto the second recording medium via the second objective lens.
    • 一种组装用于记录/再现包括两个物镜和三个激光源的高密度DVD,DVD和CD的光学拾取装置的方法,所述物镜设置在具有用于支撑致动器的致动器基座的透镜保持器上,该方法 为了组装光学拾取装置包括以下步骤:调节致动器基座的第一倾斜角度,使得当第一光束经由第一物镜会聚在第一记录介质上时,由第一光束形成的光斑的彗形像差减小 并且调整形成在第二物镜和透镜保持器之间的第二倾斜角,使得当第二光束经由第二物镜会聚在第二记录介质上时,由第二光束形成的束斑的彗形像差减小 镜片。