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    • 2. 发明申请
    • Objective Lens Actuator and a Disc Apparatus Using the Same Therein
    • 物镜驱动器及其使用的光盘装置
    • US20090116129A1
    • 2009-05-07
    • US12265748
    • 2008-11-06
    • Manabu OCHIKatsuhiko KimuraSouichirou YamadaTetsuo Itou
    • Manabu OCHIKatsuhiko KimuraSouichirou YamadaTetsuo Itou
    • G02B7/04
    • G11B7/0935G11B7/0933
    • An objective lens actuator, having a small tilt of an objective lens, for driving the objective lens in a focusing direction and a tracking direction, so as to focus lights on a recording surface of an optical disc, as a recording medium of information, comprises therein: a magnet; a lens holder, which is configured to hold the lens thereon; and four (4) pieces of tracking coils are disposed in a line on a side surface of the lens holder for holding the objective lens thereon, facing to the magnet. And also, an objective lens actuator, having a small tilt of an objective lens, for driving an objective lens in a focusing direction and a tracking direction, so as to focus lights on a recording surface of an optical disc, as a recording medium of information, comprises therein: magnets, which are disposed on two (2) surfaces putting the objective lens therebetween; a lens holder, which is configured to hold the lens thereon; and four (4) pieces of tracking coils are disposed in a line on each of two (2) side surfaces of the lens holder for holding the objective lens thereon, facing to the magnets.
    • 具有物镜的小倾斜的物镜致动器作为信息的记录介质,用于在聚焦方向和跟踪方向上驱动物镜,以将光聚焦在光盘的记录表面上,包括 其中:磁铁; 配置为将透镜保持在其上的透镜保持器; 并且四个(4)跟踪线圈被布置在透镜保持器的侧表面上,用于将物镜保持在其上面对磁体。 而且,具有物镜倾斜小的物镜致动器,用于在聚焦方向和跟踪方向上驱动物镜,以便将光聚焦在光盘的记录表面上作为记录介质 信息包括:磁体,其设置在两个(2)表面上,将物镜放置在其间; 配置为将透镜保持在其上的透镜保持器; 并且在透镜保持器的两(2)侧表面中的每一个侧面上设置四(4)个跟踪线圈,用于将物镜保持在其上面对磁体。
    • 3. 发明申请
    • Objective Lens Actuator
    • 物镜致动器
    • US20090116345A1
    • 2009-05-07
    • US12265750
    • 2008-11-06
    • Yoshihiro SATOUKatsuhiko KimuraTetsuo ItouSouichirou Yamada
    • Yoshihiro SATOUKatsuhiko KimuraTetsuo ItouSouichirou Yamada
    • G11B7/12
    • G11B7/0932G11B7/0933
    • An objective lens actuator in an optical pickup, having a semiconductor laser diode, electro-optic parts, such as a lens or the like, as well as, the objective lens actuator, etc., in a case, comprises: a holder, which mounts an objective lens and a coil thereon, as being a movable part; a magnetic circuit part, which is made up with a magnet for magnetically driving said holder and a yoke; a plural number of elastic support parts which elastically supports said holder; and a support part, which supports other ends of said elastic support parts, wherein said support part has a part, which is cut open in parallel with the elastic support parts, between said elastic support parts, and has a through hole, in which said elastic support part passes through for each of said elastic support parts, and thereby to provide the objective lens actuator for lowering the unwanted vibration mode of the objective lens, and also enabling a stable control thereof.
    • 在具有半导体激光二极管的光学拾取器中的物镜致动器,诸如透镜等的电光部件以及物镜驱动器等,包括:保持器,其 在其上安装物镜和线圈作为可移动部件; 磁路部分,其由用于磁力驱动所述保持器的磁体和轭构成; 多个弹性支撑部件,其弹性地支撑所述保持器; 以及支撑部,其支撑所述弹性支撑部的其他端部,其中所述支撑部具有在所述弹性支撑部之间与弹性支撑部平行地切开的部分,并且具有通孔,其中所述 弹性支撑部分通过每个所述弹性支撑部分,从而提供用于降低物镜的不想要的振动模式的物镜致动器,并且还能够进行稳定的控制。
    • 4. 发明授权
    • Optical pickup with support part having hole for being inserted with a projection part of a case
    • 具有支撑部分的光学拾取器具有用于插入壳体的突出部分的孔
    • US07933174B2
    • 2011-04-26
    • US12265750
    • 2008-11-06
    • Yoshihiro SatouKatsuhiko KimuraTetsuo ItouSouichirou Yamada
    • Yoshihiro SatouKatsuhiko KimuraTetsuo ItouSouichirou Yamada
    • G11B7/00
    • G11B7/0932G11B7/0933
    • An objective lens actuator in an optical pickup, having a semiconductor laser diode, electro-optic parts, such as a lens or the like, as well as, the objective lens actuator, etc., in a case, comprises: a holder, which mounts an objective lens and a coil thereon, as being a movable part; a magnetic circuit part, which is made up with a magnet for magnetically driving said holder and a yoke; a plural number of elastic support parts which elastically supports said holder; and a support part, which supports other ends of said elastic support parts, wherein said support part has a part, which is cut open in parallel with the elastic support parts, between said elastic support parts, and has a through hole, in which said elastic support part passes through for each of said elastic support parts, and thereby to provide the objective lens actuator for lowering the unwanted vibration mode of the objective lens, and also enabling a stable control thereof.
    • 在具有半导体激光二极管的光学拾取器中的物镜致动器,诸如透镜等的电光部件以及物镜驱动器等,包括:保持器,其 在其上安装物镜和线圈作为可移动部件; 磁路部分,其由用于磁力驱动所述保持器的磁体和轭构成; 多个弹性支撑部件,其弹性地支撑所述保持器; 以及支撑部,其支撑所述弹性支撑部的其他端部,其中所述支撑部具有在所述弹性支撑部之间与弹性支撑部平行地切开的部分,并且具有通孔,其中所述 弹性支撑部分通过每个所述弹性支撑部分,从而提供用于降低物镜的不想要的振动模式的物镜致动器,并且还能够进行稳定的控制。
    • 5. 发明授权
    • Optical pickup
    • 光学拾音
    • US07643385B2
    • 2010-01-05
    • US11191940
    • 2005-07-29
    • Manabu OchiKatsuhiko KimuraMasaya HorinoJunichi SengaMasayoshi WatanabeTetsuo Itou
    • Manabu OchiKatsuhiko KimuraMasaya HorinoJunichi SengaMasayoshi WatanabeTetsuo Itou
    • G11B7/00
    • G11B7/0933G11B7/0935
    • To improve the reliability to an environmental temperature change of an optical pickup, an optical pickup 7 has a semiconductor laser 711 for generating a laser beam. An objective lens drive leads the laser beam to a predetermined position of a disk. The semiconductor laser and objective lens drive are mounted on a pickup hosing 70. The objective lens drive has a movable portion 74 and the movable portion has an objective lens 716 for condensing the laser beam on the recording face of the disk. A fixed portion 72 holds the movable portion through a support member. The fixed portion has a magnetic yoke 75. An extended portion formed by extending a part of the yoke to the fixed portion side and the upside 72b of a cutout formed at the intermediate portion of the fixed portion in the tracking direction are adhered and fixed.
    • 为了提高光学拾取器的环境温度变化的可靠性,光学拾取器7具有用于产生激光束的半导体激光器711。 物镜驱动器将激光束引导到盘的预定位置。 半导体激光器和物镜驱动器安装在拾取器连接件70上。物镜驱动器具有可移动部分74,并且可移动部分具有用于将激光束聚集在盘的记录面上的物镜716。 固定部分72通过支撑构件保持可动部分。 固定部分具有磁轭75.通过将磁轭的一部分延伸到沿着跟踪方向的固定部分的中间部分处的固定部分侧和切口的上侧72b形成的延伸部分被固定。
    • 6. 发明申请
    • Optical pickup
    • 光学拾音
    • US20060087931A1
    • 2006-04-27
    • US11191940
    • 2005-07-29
    • Manabu OchiKatsuhiko KimuraMasaya HorinoJunichi SengaMasayoshi WatanabeTetsuo Itou
    • Manabu OchiKatsuhiko KimuraMasaya HorinoJunichi SengaMasayoshi WatanabeTetsuo Itou
    • G11B7/00
    • G11B7/0933G11B7/0935
    • To improve the reliability to an environmental temperature change of an optical pickup, an optical pickup 7 has a semiconductor laser 711 for generating a laser beam. An objective lens drive leads the laser beam to a predetermined position of a disk. The semiconductor laser and objective lens drive are mounted on a pickup hosing 70. The objective lens drive has a movable portion 74 and the movable portion has an objective lens 716 for condensing the laser beam on the recording face of the disk. A fixed portion 72 holds the movable portion through a support member. The fixed portion has a magnetic yoke 75. An extended portion formed by extending a part of the yoke to the fixed portion side and the upside 72b of a cutout formed at the intermediate portion of the fixed portion in the tracking direction are adhered and fixed.
    • 为了提高光学拾取器的环境温度变化的可靠性,光学拾取器7具有用于产生激光束的半导体激光器711。 物镜驱动器将激光束引导到盘的预定位置。 半导体激光器和物镜驱动器安装在拾取器连接件70上。 物镜驱动器具有可移动部分74,并且可移动部分具有用于将激光束聚集在盘的记录面上的物镜716。 固定部分72通过支撑构件保持可动部分。 固定部分具有磁轭75。 通过将磁轭的一部分延伸到固定部分侧而形成的延伸部分和形成在沿跟踪方向的固定部分的中间部分处的切口的上侧72b被粘合并固定。