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1. 发明授权

US08341657B2 Lens driving mechanism for optical pickup and optical disc apparatus 失效
标题翻译：用于光学拾取器和光盘装置的透镜驱动机构
公开(公告)号：US08341657B2
公开(公告)日：2012-12-25
申请号：US12542078
申请日：2009-08-17
申请人： Tatsuya Yamasaki , Yoshihiro Sato , Seiichi Kato , Katsuhiko Kimura , Takahiro Yamaguchi , Yoshiro Konishi , Hidenao Saito
发明人： Tatsuya Yamasaki , Yoshihiro Sato , Seiichi Kato , Katsuhiko Kimura , Takahiro Yamaguchi , Yoshiro Konishi , Hidenao Saito
IPC分类号： G11B7/135
CPC分类号： G11B7/08582
摘要： An optical pickup, mounting a lens actuator 101 thereon, the lens actuator comprises: a lens 1 having an optical axis in direction in parallel with an optical disc; a holder 2, which holds the lens thereon; a first guide shaft 3 holding the holder, so as to regulate the holder to change a position thereof, into an inner surface direction of a surface having the optical axis of the lens as a normal line vector thereof; a second guide shaft 4, which regulates the holder to change the position thereof, into a normal line vector of an optical disc; and a reed screw, which moves the holder into direction of the optical axis of the lens, wherein a distance between the optical axis of the lens and the optical disc, a distance between a central axis of the first guide shaft and the optical disc, and a distance between a central axis of the second guide shaft and the optical disc are lager than a distance between a central axis of the reed screw and the optical disc.
摘要翻译：在其上安装透镜致动器101的光学拾取器，透镜致动器包括：具有与光盘平行的方向的光轴的透镜1; 在其上保持透镜的保持器2; 保持保持器的第一引导轴3，以将保持器的位置调整为具有透镜的光轴的表面的内表面方向作为其法线矢量; 第二引导轴4，其将保持器改变其位置，调节成光盘的法线矢量; 以及将保持器移动到透镜的光轴的方向的簧片螺钉，其中透镜的光轴与光盘之间的距离，第一引导轴的中心轴线与光盘之间的距离，并且第二引导轴的中心轴线与光盘之间的距离大于簧片螺钉的中心轴线与光盘之间的距离。

2. 发明申请

US20100067354A1 OPTICAL PICKUP AND AN OPTICAL DISC APPARATUS MOUNTING THE SAME THEREON 失效
标题翻译：光学拾取器和安装相同光盘的光盘设备
公开(公告)号：US20100067354A1
公开(公告)日：2010-03-18
申请号：US12542078
申请日：2009-08-17
申请人： Tatsuya Yamasaki , Yoshihiro Sato , Seiichi Kato , Katsuhiko Kimura , Takahiro Yamaguchi , Yoshiro Konishi , Hidenao Saito
发明人： Tatsuya Yamasaki , Yoshihiro Sato , Seiichi Kato , Katsuhiko Kimura , Takahiro Yamaguchi , Yoshiro Konishi , Hidenao Saito
IPC分类号： G11B7/135
CPC分类号： G11B7/08582
摘要： An optical pickup, mounting a lens actuator 101 thereon, the lens actuator comprises: a lens 1 having an optical axis in direction in parallel with an optical disc; a holder 2, which holds the lens thereon; a first guide shaft 3 holding the holder, so as to regulate the holder to change a position thereof, into an inner surface direction of a surface having the optical axis of the lens as a normal line vector thereof; a second guide shaft 4, which regulates the holder to change the position thereof, into a normal line vector of an optical disc; and a reed screw, which moves the holder into direction of the optical axis of the lens, wherein a distance between the optical axis of the lens and the optical disc, a distance between a central axis of the first guide shaft and the optical disc, and a distance between a central axis of the second guide shaft and the optical disc are lager than a distance between a central axis of the reed screw and the optical disc.
摘要翻译：在其上安装透镜致动器101的光学拾取器，透镜致动器包括：具有与光盘平行的方向的光轴的透镜1; 在其上保持透镜的保持器2; 保持保持器的第一引导轴3，以将保持器的位置调整为具有透镜的光轴的表面的内表面方向作为其法线矢量; 第二引导轴4，其将保持器改变其位置，调节成光盘的法线矢量; 以及将保持器移动到透镜的光轴的方向的簧片螺钉，其中透镜的光轴与光盘之间的距离，第一引导轴的中心轴线与光盘之间的距离，并且第二引导轴的中心轴线与光盘之间的距离大于簧片螺钉的中心轴线与光盘之间的距离。

3. 发明授权

US08199613B2 Objective lens actuator and a thin-sized optical pickup with magnetic circuit having different lengthed magnets 有权
标题翻译：物镜致动器和具有磁路的薄型光学拾取器，具有不同的磁头
公开(公告)号：US08199613B2
公开(公告)日：2012-06-12
申请号：US12542070
申请日：2009-08-17
申请人： Seiichi Kato , Katsuhiko Kimura , Takahiro Yamaguchi , Yoshiro Konishi
发明人： Seiichi Kato , Katsuhiko Kimura , Takahiro Yamaguchi , Yoshiro Konishi
IPC分类号： G11B7/09
CPC分类号： H02K41/0356 , G02B7/08 , G11B7/0933 , G11B7/0956
摘要： An objective lens actuator, being suitable for a thin-sized optical pickup and a thin-sized optical disc apparatus, comprises: an objective lens for focusing a light upon a recording surface of an optical disc; and a driving mechanism including a focusing coil, tracking coils, and a magnetic circuit, for operating the objective lens into a focusing direction of approaching/receding to/from the optical disc, and into a tracking direction of a radius of the optical disc, wherein the magnetic circuit has a first magnet and a second magnet putting the objective lens therebetween, and one of the magnets is short of length in the focusing direction and is long in length in the tracking direction, comparing to the other magnet, thereby bringing an unnecessary moment, which is applied upon a moving part including the objective lens therein, to be small, and suppressing inclination or tilt and vibration of the objective lens.
摘要翻译：适用于薄型光学拾取器和薄型光盘装置的物镜致动器包括：用于将光聚焦在光盘的记录表面上的物镜; 以及包括聚焦线圈，跟踪线圈和磁路的驱动机构，用于将物镜操作到接近/退出到光盘的聚焦方向，并且进入光盘的半径的跟踪方向，其特征在于，所述磁路具有第一磁体和将所述物镜放置在其间的第二磁体，并且与所述另一磁体相比，所述磁体中的一个在聚焦方向上的长度短，并且在跟踪方向长度较长，在包括物镜的移动部件上施加的不必要的力矩小，并且抑制物镜的倾斜或倾斜和振动。

4. 发明授权

US09070380B2 Objective lens driving apparatus, optical pickup 有权
标题翻译：物镜驱动装置，光学拾取器
公开(公告)号：US09070380B2
公开(公告)日：2015-06-30
申请号：US13015740
申请日：2011-01-28
申请人： Yoshihiro Sato , Jun Hato , Katsuhiko Kimura , Seiichi Kato , Takahiro Yamaguchi
发明人： Yoshihiro Sato , Jun Hato , Katsuhiko Kimura , Seiichi Kato , Takahiro Yamaguchi
IPC分类号： G11B7/095 , G11B7/09
CPC分类号： G11B7/0932 , G11B7/0935 , G11B7/0956
摘要： High-performance and reliable objective lens driving apparatus and optical pickup wherein the tilt of an objective lens relative to an optical disc is suppressed are provided. The optical pickup is equipped with a semiconductor laser, an electro-optic component, and the objective lens driving apparatus. In this optical pickup, the objective lens driving apparatus is comprised of: a moving part including an objective lens, a holder that holds the objective lens, a focusing coil, and a tracking coil; a holding member for elastic support members that couples together multiple elastic support members providing elastic support on a fixed part and the moving part and is mounted on the moving part; the elastic support members that elastically support the moving part from the fixed part; and the fixed part. The holding member for elastic support members mounted on the moving part and the holder that holds the objective lens are joined together by fitting together a concavity and a convexity.
摘要翻译：提供了高性能且可靠的物镜驱动装置和光学拾取器，其中抑制了物镜相对于光盘的倾斜。光学拾取器配备有半导体激光器，电光部件和物镜驱动装置。在该光学拾取器中，物镜驱动装置包括：包括物镜的移动部件，保持物镜的保持器，聚焦线圈和跟踪线圈; 用于弹性支撑构件的保持构件，其将固定部件和所述移动部件上提供弹性支撑的多个弹性支撑构件联接在一起并安装在所述移动部件上; 所述弹性支撑构件从所述固定部弹性地支撑所述移动部件; 和固定部分。安装在移动部件上的弹性支撑部件的保持部件和保持物镜的保持器通过将凹凸嵌合而接合在一起。

5. 发明申请

US20110185375A1 OBJECTIVE LENS DRIVING APPARATUS, OPTICAL PICKUP 有权
标题翻译：目标镜头驱动装置，光学拾取
公开(公告)号：US20110185375A1
公开(公告)日：2011-07-28
申请号：US13015740
申请日：2011-01-28
申请人： Yoshihiro SATO , Jun Hato , Katsuhiko Kimura , Seiichi Kato , Takahiro Yamaguchi
发明人： Yoshihiro SATO , Jun Hato , Katsuhiko Kimura , Seiichi Kato , Takahiro Yamaguchi
IPC分类号： G11B7/08
CPC分类号： G11B7/0932 , G11B7/0935 , G11B7/0956
摘要： High-performance and reliable objective lens driving apparatus and optical pickup wherein the tilt of an objective lens relative to an optical disc is suppressed are provided. The optical pickup is equipped with a semiconductor laser, an electro-optic component, and the objective lens driving apparatus. In this optical pickup, the objective lens driving apparatus is comprised of: a moving part including an objective lens, a holder that holds the objective lens, a focusing coil, and a tracking coil; a holding member for elastic support members that couples together multiple elastic support members providing elastic support on a fixed part and the moving part and is mounted on the moving part; the elastic support members that elastically support the moving part from the fixed part; and the fixed part. The holding member for elastic support members mounted on the moving part and the holder that holds the objective lens are joined together by fitting together a concavity and a convexity.
摘要翻译：提供了高性能且可靠的物镜驱动装置和光学拾取器，其中抑制了物镜相对于光盘的倾斜。光学拾取器配备有半导体激光器，电光部件和物镜驱动装置。在该光学拾取器中，物镜驱动装置包括：包括物镜的移动部件，保持物镜的保持器，聚焦线圈和跟踪线圈; 用于弹性支撑构件的保持构件，其将固定部件和所述移动部件上提供弹性支撑的多个弹性支撑构件联接在一起并安装在所述移动部件上; 所述弹性支撑构件从所述固定部弹性地支撑所述移动部件; 和固定部分。安装在移动部件上的弹性支撑部件的保持部件和保持物镜的保持器通过将凹凸嵌合而接合在一起。

6. 发明授权

US08166495B2 Optical pickup 失效
标题翻译：光学拾音
公开(公告)号：US08166495B2
公开(公告)日：2012-04-24
申请号：US11668098
申请日：2007-01-29
申请人： Katsuhiko Kimura , Hidenao Saito , Jun Hato , Takahiro Yamaguchi
发明人： Katsuhiko Kimura , Hidenao Saito , Jun Hato , Takahiro Yamaguchi
IPC分类号： G11B7/00
CPC分类号： G11B7/0933 , G11B7/0935
摘要： An optical pickup in which the position of a magnet can be adjusted with respect to a yoke is provided. The optical pickup has an objective lens, a lens holder that holds the objective lens, a magnet disposed opposite to a side surface of the lens holder, and a yoke to the inside of which the magnet is attached. The yoke has an opening at least near the bottom of the magnet, through which the magnet can be visually observed from the outside of the yoke, the bottom being on the side of the yoke that is farther from an optical disc and the top being on the side of the yoke that is closer to the optical disc along the optical axis of the objective lens.
摘要翻译：提供了一种可以相对于磁轭调节磁体位置的光学拾取器。光学拾取器具有物镜，保持物镜的透镜保持器，与透镜保持器的侧表面相对设置的磁体以及磁铁安装在其内部的磁轭。轭具有至少接近磁体底部的开口，通过该开口可以从轭的外部目视观察磁体，底部位于离光盘更远的磁轭侧，顶部位于轭的侧面沿着物镜的光轴更靠近光盘。

7. 发明申请

US20070274168A1 OPTICAL PICKUP 失效
公开(公告)号：US20070274168A1
公开(公告)日：2007-11-29
申请号：US11668098
申请日：2007-01-29
申请人： Katsuhiko Kimura , Hidenao Saito , Jun Hato , Takahiro Yamaguchi
发明人： Katsuhiko Kimura , Hidenao Saito , Jun Hato , Takahiro Yamaguchi
IPC分类号： G11B7/00
CPC分类号： G11B7/0933 , G11B7/0935
摘要： An optical pickup in which the position of a magnet can be adjusted with respect to a yoke is provided. The optical pickup has an objective lens, a lens holder that holds the objective lens, a magnet disposed opposite to a side surface of the lens holder, and a yoke to the inside of which the magnet is attached. The yoke has an opening at least near the bottom of the magnet, through which the magnet can be visually observed from the outside of the yoke, the bottom being on the side of the yoke that is farther from an optical disc and the top being on the side of the yoke that is closer to the optical disc along the optical axis of the objective lens.
摘要翻译：提供了一种可以相对于磁轭调节磁体位置的光学拾取器。光学拾取器具有物镜，保持物镜的透镜保持器，与透镜保持器的侧表面相对设置的磁体以及磁铁安装在其内部的磁轭。轭具有至少接近磁体底部的开口，通过该开口可以从轭的外部目视观察磁体，底部位于离光盘更远的磁轭侧，顶部位于轭的侧面沿着物镜的光轴更靠近光盘。

8. 发明授权

US08161503B2 Objective lens actuator and an optical pickup 失效
标题翻译：物镜致动器和光学拾取器
公开(公告)号：US08161503B2
公开(公告)日：2012-04-17
申请号：US12540439
申请日：2009-08-13
申请人： Keiko Saito , Katsuhiko Kimura , Takahiro Yamaguchi , Yoshihiro Sato
发明人： Keiko Saito , Katsuhiko Kimura , Takahiro Yamaguchi , Yoshihiro Sato
IPC分类号： G11B7/12
CPC分类号： G11B7/1374 , G11B7/121 , G11B2007/0006
摘要： An objective lens actuator comprises, two objective lenses, each for focusing lights upon an optical disc, an objective lens holder member for holding the objective lenses thereon, and lens protectors for preventing the objective lenses from being contacted on the optical disc, wherein the lens protectors include first and second lens protectors, which are provided on both end portions of the objective lens holder member in a tracking direction, and a third lens protector, which is provided in a middle of the two objective lenses, wherein the first and second lens protectors, which are provided on both end portions of the objective lens holder member in the tracking direction, are provided the objective lenses and end portion of the objective lens holder member in the tracking direction, and the third lens protector, which is provided between the objective lenses, has a height closer to that of the optical disc than the protectors, which are provided on both end portions of the objective lens holder member in the tracking direction.
摘要翻译：物镜致动器包括两个物镜，每个用于将光聚焦在光盘上，用于将物镜保持在其上的物镜保持器构件和用于防止物镜在光盘上接触的透镜保护器，其中透镜保护器包括在跟踪方向上设置在物镜保持器构件的两个端部上的第一和第二透镜保护器，以及设置在两个物镜的中间的第三透镜保护器，其中第一和第二透镜在跟踪方向上设置在物镜保持器构件的两端部上的保护器设置在跟踪方向上的物镜和物镜保持器构件的端部，并且第三透镜保护器设置在与设置在物体的两端部的保护体相比，物镜的高度比光盘高 ve透镜保持器构件沿跟踪方向。

9. 发明申请

US20100067352A1 OBJECTIVE LENS ACTUATOR AND AN OPTICAL PICKUP 失效
标题翻译：目标镜头执行器和光学拾取
公开(公告)号：US20100067352A1
公开(公告)日：2010-03-18
申请号：US12540439
申请日：2009-08-13
申请人： Keiko Saito , Katsuhiko Kimura , Takahiro Yamaguchi , Yoshihiro Sato
发明人： Keiko Saito , Katsuhiko Kimura , Takahiro Yamaguchi , Yoshihiro Sato
IPC分类号： G11B7/00
CPC分类号： G11B7/1374 , G11B7/121 , G11B2007/0006
摘要： An objective lens actuator comprises, two objective lenses, each for focusing lights upon an optical disc, an objective lens holder member for holding the objective lenses thereon, and lens protectors for preventing the objective lenses from being contacted on the optical disc, wherein the lens protectors include first and second lens protectors, which are provided on both end portions of the objective lens holder member in a tracking direction, and a third lens protector, which is provided in a middle of the two objective lenses, wherein the first and second lens protectors, which are provided on both end portions of the objective lens holder member in the tracking direction, are provided the objective lenses and end portion of the objective lens holder member in the tracking direction, and the third lens protector, which is provided between the objective lenses, has a height closer to that of the optical disc than the protectors, which are provided on both end portions of the objective lens holder member in the tracking direction.
摘要翻译：物镜致动器包括两个物镜，每个用于将光聚焦在光盘上，用于将物镜保持在其上的物镜保持器构件和用于防止物镜在光盘上接触的透镜保护器，其中透镜保护器包括在跟踪方向上设置在物镜保持器构件的两个端部上的第一和第二透镜保护器，以及设置在两个物镜的中间的第三透镜保护器，其中第一和第二透镜在跟踪方向上设置在物镜保持器构件的两端部上的保护器设置在跟踪方向上的物镜和物镜保持器构件的端部，并且第三透镜保护器设置在与设置在物体的两端部的保护体相比，物镜的高度比光盘高 ve透镜保持器构件沿跟踪方向。

10. 发明授权

US08046785B2 Objective lens actuator and a disc apparatus applying the same therein 有权
标题翻译：物镜致动器和在其中施加其的盘装置
公开(公告)号：US08046785B2
公开(公告)日：2011-10-25
申请号：US12540447
申请日：2009-08-13
申请人： Manabu Ochi , Katsuhiko Kimura , Takahiro Yamaguchi
发明人： Manabu Ochi , Katsuhiko Kimura , Takahiro Yamaguchi
IPC分类号： G11B7/00
CPC分类号： H02K41/0356 , G02B7/08 , G11B7/0933 , G11B7/0956 , H02K33/18
摘要： An objective lens actuator comprises a lens holder for attaching an objective lens thereon, a piece of focusing coil, being wound along side surface of the lens holder around the objective lens, and three magnets, being disposed opposing to two surfaces each having a normal line perpendicular to both a focusing direction and a tracking direction, among four side surfaces of the lens holder, wherein the three magnets are aligned, continuously, along the tracking direction, differing a polarity thereof from one another, and width of the magnets on both outsides is wider than width of the magnet inside, or alternately, one magnet, being disposed opposing to two surfaces each having a normal line perpendicular to both a focusing direction and a tracking direction, among four side surfaces of the lens holder, wherein the magnet is magnetized into three poles along the tracking direction, and among the three poles, width of the poles on both outsides is wider than width of the pole inside.
摘要翻译：物镜致动器包括用于在其上附接物镜的透镜保持器，围绕物镜的透镜保持器的侧表面缠绕的聚焦线圈，以及三个磁体，其设置成与具有法线的两个表面相对垂直于聚焦方向和跟踪方向的透镜保持器的四个侧表面之中，其中三个磁体沿着跟踪方向连续地对准，其极性彼此不同，并且两个磁体的外侧的宽度在透镜保持器的四个侧表面之中，比在磁体内部宽的宽度，或者可选地，一个磁体设置成相对于在垂直于聚焦方向和跟踪方向的法线的两个表面相对的磁体，其中磁体是沿着跟踪方向被磁化成三极，而在三极中，两个外侧的极的宽度比内侧的极的宽度宽。

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