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11. 发明授权

US08743668B2 Objective lens drive device and optical pickup 失效
标题翻译：物镜驱动装置和光学拾取器
公开(公告)号：US08743668B2
公开(公告)日：2014-06-03
申请号：US12967104
申请日：2010-12-14
申请人： Yoshihiro Sato , Hidenao Saito , Jun Hato , Ryuichiro Mizuno , Katsuhiko Kimura , Seiichi Kato
发明人： Yoshihiro Sato , Hidenao Saito , Jun Hato , Ryuichiro Mizuno , Katsuhiko Kimura , Seiichi Kato
IPC分类号： G11B7/00
CPC分类号： G11B7/0933 , G11B7/0932 , G11B7/0935
摘要： In an optical pickup equipped with a semiconductor laser, electro-optical components such as a lens, and an objective lens drive device, the objective lens drive device includes objective lenses, a holder holding the objective lenses, a focusing coil, and tracking coils. The focusing coil is wound in parallel to the optical surface of the objective lens, and formed in a parallelogram shape having inclined portions provided near the tracking coils. The two tracking coils are placed on diagonal portions of the lens holder.
摘要翻译：在配备有半导体激光器的光学拾取器，诸如透镜的电光部件和物镜驱动装置中，物镜驱动装置包括物镜，保持物镜的保持器，聚焦线圈和跟踪线圈。聚焦线圈与物镜的光学表面平行地缠绕，并且形成为具有设置在跟踪线圈附近的倾斜部分的平行四边形。两个跟踪线圈被放置在透镜架的对角部分上。

12. 发明授权

US08407730B2 Objective lens actuator for enabling to reduce the dynamic tilt between optical disc and objective lens 失效
标题翻译：物镜致动器，用于减轻光盘与物镜之间的动态倾斜
公开(公告)号：US08407730B2
公开(公告)日：2013-03-26
申请号：US12632891
申请日：2009-12-08
申请人： Yoshihiro Sato , Hidenao Saito , Seiichi Kato , Jun Hato , Ryuichiro Mizuno , Katsuhiko Kimura
发明人： Yoshihiro Sato , Hidenao Saito , Seiichi Kato , Jun Hato , Ryuichiro Mizuno , Katsuhiko Kimura
IPC分类号： G11B7/00
CPC分类号： G11B7/0932 , G11B7/0933 , G11B7/22
摘要： An objective lens actuator 25, for driving an objective lens 1 for focusing lights upon a recoding surface of an optical disc, comprises a moving part 2, which comprises the objective lens 1 and a coil; a magnet, which is fixed on a yoke and drives the moving part 2; a plural number of elastic support parts, each of which supports the moving part 2 at an end thereof; a first fixing portion 5a and a second fixing portion 5b, which fix other ends of the plural number of elastic support parts 4 and are disposed opposite to each other in a focus direction; and a moving mechanism 6, which is provided on the first and second fixing portion 5a and 5b, so that the first and second fixing portions 5a and 5b can move in the focus direction, relatively, and thereby providing the objective lens actuator 25 enabling to reduce the dynamic relative tilt between the optical disc and the objective lens 1 (i.e., reducing the tilt of the objective lens 1 in the tangential direction when operating), as well as, an optical pickup and an optical disc drive.
摘要翻译：用于驱动用于将光聚焦在光盘的记录表面上的物镜1的物镜致动器25包括包括物镜1和线圈的移动部分2; 磁体，其固定在磁轭上并驱动移动部件2; 多个弹性支撑部件，每个弹性支撑部件在其一端支撑移动部件2; 第一固定部分5a和第二固定部分5b，其固定多个弹性支撑部分4的另一端，并且在聚焦方向上彼此相对设置; 以及设置在第一和第二固定部分5a和5b上的移动机构6，使得第一和第二固定部分5a和5b可相对于聚焦方向移动，从而使物镜致动器25能够降低光盘和物镜1之间的动态相对倾斜度（即，当操作时减小物镜1在切线方向上的倾斜度）以及光拾取器和光盘驱动器。

13. 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。

14. 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。

15. 发明申请

US20070079316A1 Object lens actuator 失效
标题翻译：对象镜头执行器
公开(公告)号：US20070079316A1
公开(公告)日：2007-04-05
申请号：US11527412
申请日：2006-09-27
申请人： Manabu Ochi , Katsuhiko Kimura , Hidenao Saito , Jun Hato
发明人： Manabu Ochi , Katsuhiko Kimura , Hidenao Saito , Jun Hato
IPC分类号： G11B7/00
CPC分类号： G11B7/0935 , G11B7/22
摘要： In an object lens actuator, stiffness of a lens holder is improved and the higher order resonance frequency is sufficiently increased. The stiffness of the lens holder is improved by providing a flat plate perpendicular to the focusing direction between the side wall of a lens holding part and the outer sidewall along the tracking direction at approximately the middle of both ends of the lens holder along the focusing direction.
摘要翻译：在物镜致动器中，透镜架的刚度提高，高次谐振频率充分提高。通过在透镜保持部的侧壁沿着跟踪方向设置垂直于聚焦方向的平板，沿着聚焦方向在透镜保持器的两端的大致中间处设置透镜保持器的刚度，。

16. 发明授权

US08400889B2 Optical pickup device having disc protector 失效
标题翻译：具有光盘保护器的光学拾取装置
公开(公告)号：US08400889B2
公开(公告)日：2013-03-19
申请号：US12765464
申请日：2010-04-22
申请人： Masayuki Okamura , Akiko Mizushima , Hidenao Saito , Jun Hato , Kazumi Takahashi
发明人： Masayuki Okamura , Akiko Mizushima , Hidenao Saito , Jun Hato , Kazumi Takahashi
IPC分类号： G11B7/00
CPC分类号： G11B7/1374 , G11B7/121
摘要： There is provided a low-cost and reliable optical pickup device, wherein an objective lens is in contact with an adhesive at least one or more portions and fixed to the adhesive and also the height of the adhesive for fixing the objective lens is higher than the surface of the objective lens or the end of the objective lens, thereby a sufficient adhesive strength is secured between the objective lens and a member to which the objective lens is adhered and further this adhesive serves also as a disc protector.
摘要翻译：提供了一种低成本且可靠的光学拾取装置，其中物镜与至少一个或多个部分的粘合剂接触并固定到粘合剂上，并且用于固定物镜的粘合剂的高度高于物镜的表面或物镜的端部，从而在物镜和与物镜粘接的构件之间确保足够的粘合强度，并且该粘合剂也用作盘保护器。

17. 发明申请

US20100322061A1 OPTICAL PICKUP DEVICE 失效
标题翻译：光学拾取器件
公开(公告)号：US20100322061A1
公开(公告)日：2010-12-23
申请号：US12765464
申请日：2010-04-22
申请人： Masayuki Okamura , Akiko Mizushima , Hidenao Saito , Jun Hato , Kazumi Takahashi
发明人： Masayuki Okamura , Akiko Mizushima , Hidenao Saito , Jun Hato , Kazumi Takahashi
IPC分类号： G11B7/135
CPC分类号： G11B7/1374 , G11B7/121
摘要： There is provided a low-cost and reliable optical pickup device, wherein an objective lens is in contact with an adhesive at least one or more portions and fixed to the adhesive and also the height of the adhesive for fixing the objective lens is higher than the surface of the objective lens or the end of the objective lens, thereby a sufficient adhesive strength is secured between the objective lens and a member to which the objective lens is adhered and further this adhesive serves also as a disc protector.
摘要翻译：提供了一种低成本且可靠的光学拾取装置，其中物镜与至少一个或多个部分的粘合剂接触并固定到粘合剂上，并且用于固定物镜的粘合剂的高度高于物镜的表面或物镜的端部，从而在物镜和与物镜粘接的构件之间确保足够的粘合强度，并且该粘合剂也用作盘保护器。

18. 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。

19. 发明申请

US20080037377A1 Optical pick-up 有权
标题翻译：光学拾音
公开(公告)号：US20080037377A1
公开(公告)日：2008-02-14
申请号：US11699024
申请日：2007-01-29
申请人： Katsuhiko Kimura , Jun Hato
发明人： Katsuhiko Kimura , Jun Hato
IPC分类号： G11B11/00
CPC分类号： G11B7/0935
摘要： [Problem] An optical pickup that can incline an objective lens in the same direction as that of a bend of an optical disc is provided.[Means of solving the Problem] The optical pickup includes a lens holder that holds an objective lens, focusing coils attached to the lens holder, a yoke to which magnets are attached, and inner yokes disposed opposite to the magnets via the focusing coils, and the optical pickup is structured so that a cross-sectional area of the inner yoke disposed toward the outer periphery of the optical disc is greater than a cross-sectional area of the inner yoke disposed on the inner periphery of the optical disc.
摘要翻译： [问题]提供一种能够使物镜沿与光盘的弯曲部相同的方向倾斜的光学拾取器。解决问题的手段光学拾取器包括：保持物镜的透镜保持器，安装在透镜保持器上的聚焦线圈，安装有磁铁的磁轭和经由聚焦线圈与磁体相对设置的内轭铁;以及光学拾取器被构造成使得朝向光盘的外周设置的内轭铁的横截面面积大于设置在光盘内周上的内轭铁的横截面面积。

20. 发明授权

US08589966B2 Optical pickup 失效
标题翻译：光学拾音
公开(公告)号：US08589966B2
公开(公告)日：2013-11-19
申请号：US13430831
申请日：2012-03-27
申请人： Katsuhiko Kimura , Jun Hato , Zhiyan Gao
发明人： Katsuhiko Kimura , Jun Hato , Zhiyan Gao
IPC分类号： G11B7/09
CPC分类号： G11B7/0935 , G11B7/0956
摘要： An optical pickup whose thickness is small and power consumption is low is provided, in which these advantages are achieved by increasing the driving force generated in the tilt coil in an objective lens driving apparatus and by making the thickness of the objective lens driving apparatus to be small.In an optical pickup including: an objective lens for condensing light onto an optical disc; a lens holder to which the objective lens has been attached; a focusing coli, a tracking coil, and a tilt coil, which have been attached to the lens holder; and a reflection mirror for reflecting light toward the optical axis of the objective lens, the tilt coil is made to have a shape in which the tilt coil is not brought into contact with the side of the reflection mirror, the side being near to the objective lens.
摘要翻译：提供了一种厚度小且功耗低的光学拾取器，其中通过增加在物镜驱动装置中的倾斜线圈中产生的驱动力并且通过使物镜驱动装置的厚度为小。一种光学拾取器，包括：将光聚光到光盘上的物镜; 已经安装了物镜的透镜架; 聚焦大肠杆菌，跟踪线圈和倾斜线圈，其已经附接到透镜保持器; 以及反射镜，用于朝向物镜的光轴反射光，使倾斜线圈具有其中倾斜线圈不与反射镜侧接触的形状，该侧靠近物镜镜片。

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