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    • 1. 发明授权
    • Optical connector and optical tomographic imaging apparatus
    • 光学连接器和光学断层成像设备
    • US08660389B2
    • 2014-02-25
    • US13322149
    • 2010-03-05
    • Junichi JonoKatsumi FujiwaraFumio Nagai
    • Junichi JonoKatsumi FujiwaraFumio Nagai
    • G02B6/26
    • 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。
    • 2. 发明授权
    • Assembly method of optical pickup and optical pickup apparatus
    • 光拾取装置的装配方法
    • US08199616B2
    • 2012-06-12
    • US12946541
    • 2010-11-15
    • Hideyuki FujiiTatsuji KurogamaKatsuya YagiKatsumi Fujiwara
    • Hideyuki FujiiTatsuji KurogamaKatsuya YagiKatsumi Fujiwara
    • G11B7/00G11B7/135
    • 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。
    • 3. 发明授权
    • Optical pickup apparatus
    • 光拾取装置
    • US07929385B2
    • 2011-04-19
    • US11175129
    • 2005-07-05
    • Katsumi FujiwaraTatsuji KurogamaKatsuya YagiHideyuki Fujii
    • Katsumi FujiwaraTatsuji KurogamaKatsuya YagiHideyuki Fujii
    • G11B7/00
    • G11B7/1376G11B7/0937G11B7/13925G11B7/1398G11B2007/0006
    • An optical pickup apparatus for recording and/or reproducing information onto/or from information recording surface, the optical pickup apparatus comprises a laser light source, an objective lens for converging light beams from the laser light source onto the information recording surface through a protective layer of an optical information recording medium, an optical device for changing a divergence angle of incident light beams by moving in an optical axis direction, the optical device being arranged between the laser light source and the objective lens, a light receiving device for receiving light beams reflected by the information recording surface and passed through the objective lens, and a driving device capable of moving the optical device in a direction crossing the optical axis.
    • 一种用于在信息记录表面上或从信息记录表面记录和/或再现信息的光学拾取装置,该光学拾取装置包括激光光源,用于将来自激光光源的光束通过保护层会聚到信息记录表面上的物镜 光学信息记录介质的光学装置,用于通过沿光轴方向移动来改变入射光束的发散角的光学装置,所述光学装置布置在激光光源和物镜之间,光接收装置,用于接收光束 由信息记录表面反射并通过物镜,以及能够沿与光轴交叉的方向移动光学装置的驱动装置。
    • 4. 发明授权
    • Assembly method of optical pickup and optical pickup apparatus
    • 光拾取装置的装配方法
    • US07843777B2
    • 2010-11-30
    • US11181630
    • 2005-07-13
    • Hideyuki FujiiTatsuji KurogamaKatsuya YagiKatsumi Fujiwara
    • Hideyuki FujiiTatsuji KurogamaKatsuya YagiKatsumi Fujiwara
    • G11B7/00G11B7/135
    • 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。
    • 6. 发明申请
    • Optical pickup device
    • 光学拾取装置
    • US20060280059A1
    • 2006-12-14
    • US11430240
    • 2006-05-09
    • Katsumi Fujiwara
    • Katsumi Fujiwara
    • G11B7/00
    • G11B7/1378G11B7/08505G11B7/0937G11B7/13925G11B2007/0006G11B2007/13727
    • An embodiment includes an optical pickup device wherein a beam of light emitted from the light source is converted into parallel beams of light by the collimator lens and is incident on the objective lens at a first divergent angle through the divergent angle changing optical system to be converged in an information recording surface of a first optical information recording medium when information is recorded and/or reproduced from the first optical information recoding medium. The beam of light emitted from the light source is converted into parallel beams of light by the collimator lens and is incident on the objective lens at a second divergent angle different from the first divergent angle through the divergent angle changing optical system to be converged in an information recording surface of a second optical information recording medium.
    • 一个实施例包括光拾取装置,其中从光源发射的光束被准直透镜转换成平行光束,并通过发散角变化光学系统以第一发散角入射在物镜上以被会聚 在从第一光学信息记录介质记录和/或再现信息时,在第一光学信息记录介质的信息记录表面中。 从光源发射的光束通过准直透镜被转换为平行光束,并且通过发散角度变化光学系统以不同于第一发散角的第二发散角入射到物镜上以被会聚在 第二光学信息记录介质的信息记录表面。
    • 7. 发明授权
    • Disk cartridge ejection mechanism and method
    • 磁盘盒弹出机构及方法
    • US07023654B2
    • 2006-04-04
    • US10633558
    • 2003-08-05
    • Takehiko SekineKouichi EguroKatsumi Fujiwara
    • Takehiko SekineKouichi EguroKatsumi Fujiwara
    • G11B5/00
    • G11B17/041
    • A disk cartridge ejection mechanism in which a disk cartridge is moved from a loading position where recording and reproducing of information are possible for a medium in the cartridge to a cartridge-removable position where the cartridge can be taken out of an information recording and reproducing apparatus, wherein there are provided a cartridge engagement device that engages with the cartridge when the cartridge moves from the loading position to the cartridge-removable position to prohibit the cartridge to move beyond the cartridge-removable position, a cartridge engagement assistance device that prevents releasing of engagement of the cartridge engagement device for the cartridge, when the cartridge moves to the cartridge-removable position and an assistance releasing device that releases the state wherein a cartridge engagement assistance device that prevents releasing of engagement of the cartridge engagement device, after the cartridge moves from the loading position to the cartridge-removable position.
    • 一种盘盒排出机构,其中盘盒从装载位置移动,其中可以将盒中的介质的信息的记录和再现可能到盒可拆卸位置,其中盒可以从信息记录和再现装置中取出 其中设置有盒接合装置,当盒从装载位置移动到盒可移动位置时与盒相接合以禁止盒移动超过盒可移除位置;盒接合辅助装置,防止释放 当盒移动到盒可拆卸位置时,盒的盒接合装置的接合,以及释放其中在盒移动之后防止盒接合装置的接合释放的盒接合辅助装置的状态的辅助释放装置 从装载位置到车 三合一可移动位置。
    • 8. 发明申请
    • Optical pickup apparatus
    • 光拾取装置
    • US20060013109A1
    • 2006-01-19
    • US11175129
    • 2005-07-05
    • Katsumi FujiwaraTatsuji KurogamaKatsuya YagiHideyuki Fujii
    • Katsumi FujiwaraTatsuji KurogamaKatsuya YagiHideyuki Fujii
    • G11B7/00
    • G11B7/1376G11B7/0937G11B7/13925G11B7/1398G11B2007/0006
    • An optical pickup apparatus for recording and/or reproducing information onto/or from information recording surface, the optical pickup apparatus comprises a laser light source, an objective lens for converging light beams from the laser light source onto the information recording surface through a protective layer of an optical information recording medium, an optical device for changing a divergence angle of incident light beams by moving in an optical axis direction, the optical device being arranged between the laser light source and the objective lens, a light receiving device for receiving light beams reflected by the information recording surface and passed through the objective lens, and a driving device capable of moving the optical device in a direction crossing the optical axis.
    • 一种用于在信息记录表面上或从信息记录表面记录和/或再现信息的光学拾取装置,该光学拾取装置包括激光光源,用于将来自激光光源的光束通过保护层会聚到信息记录表面上的物镜 光学信息记录介质的光学装置,用于通过沿光轴方向移动来改变入射光束的发散角的光学装置,所述光学装置布置在激光光源和物镜之间,光接收装置,用于接收光束 由信息记录表面反射并通过物镜,以及能够沿与光轴交叉的方向移动光学装置的驱动装置。