公开(公告)号：US07200849B2

公开(公告)日：2007-04-03

申请号：US10761617

申请日：2004-01-21

申请人： Hideki Aikoh ,  Tohru Nakamura ,  Osamu Mizuno

发明人： Hideki Aikoh ,  Tohru Nakamura ,  Osamu Mizuno

IPC分类号： G11B7/08

CPC分类号： G11B7/0935 ,  G11B7/0933 ,  G11B7/0956

摘要： An optical head is driven in a tracking direction with respect to a rotating optical disc. The optical head includes a light source, an optical block, a condenser shifter, and a rotating mechanism. The light source is used to read and write data from/on the optical disc. The optical block supports the light source. The condenser shifter includes a condenser, a movable body, a base, a focus direction drive mechanism and a tracking direction drive mechanism. The condenser focuses light, emitted from the light source, toward the optical disc. The movable body supports the condenser. The base supports the movable body elastically such that the movable body is able to shift in a focus direction and in the tracking direction. The focus and tracking direction drive mechanisms are provided to shift the movable body in the focus and tracking directions, respectively. The rotating mechanism rotates the condenser shifter around a predetermined axis with respect to the optical block on at least one of a first plane, which is parallel to the tracking direction and perpendicular to the optical disc, and a second plane, which is perpendicular to the tracking direction.

摘要翻译： 光头相对于旋转光盘在跟踪方向上被驱动。 光头包括光源，光学块，冷凝器移位器和旋转机构。 光源用于从/从光盘读取和写入数据。 光学块支撑光源。 冷凝器移动器包括冷凝器，可移动体，基座，聚焦方向驱动机构和跟踪方向驱动机构。 聚光器将从光源发射的光朝向光盘聚焦。 可移动体支撑冷凝器。 基座弹性地支撑可移动体，使得可移动体能够在聚焦方向和跟踪方向上移动。 提供聚焦和跟踪方向驱动机构以分别在焦点和跟踪方向上移动可移动体。 所述旋转机构在平行于跟踪方向并垂直于光盘的第一平面和垂直于光盘的第二平面中的至少一个上相对于光学块围绕预定轴旋转冷凝器移位器，第二平面垂直于光盘 跟踪方向。

公开(公告)号：US5299080A

公开(公告)日：1994-03-29

申请号：US093612

申请日：1993-07-20

申请人： Osamu Mizuno ,  Tohru Nakamura

发明人： Osamu Mizuno ,  Tohru Nakamura

IPC分类号： G11B5/49 ,  G11B5/60 ,  G11B11/105 ,  G11B21/21 ,  G11B5/48 ,  G11B13/04

CPC分类号： G11B5/6005 ,  G11B11/1055 ,  G11B11/1058 ,  G11B21/21

摘要： A slider connected to a floating head assembly having a magnetic head at a tail or air flow-out end is controlled by a load beam at a position of air flow-in end via a gimbal. When the slider is brought close to a disk-shaped revolving recording medium, its posture is such that the gap at the flow-in end is wider than that at the flow-out end. An air film is rapidly formed starting from the flow-out end to provide stability and cushioning effects between the slider and the disk-shaped revolving recording medium. As a result, a soft landing due to the laminar air flow is automatically achieved.

摘要翻译： 连接到具有在尾部或空气流出端处的磁头的浮动头组件的滑块通过万向节在空气流入端的位置处由负载梁控制。 当滑块靠近盘形旋转记录介质时，其姿势使得流入端的间隙比流出端处的间隙宽。 从流出端开始快速形成空气膜，以提供滑块和盘形旋转记录介质之间的稳定性和缓冲效果。 结果，由层流气流引起的软着陆被自动实现。

公开(公告)号：US20070064551A1

公开(公告)日：2007-03-22

申请号：US10579776

申请日：2004-12-02

申请人： Osamu Mizuno ,  Tohru Nakamura ,  Hideki Aikoh ,  Takao Hayashi ,  Takuya Wada

发明人： Osamu Mizuno ,  Tohru Nakamura ,  Hideki Aikoh ,  Takao Hayashi ,  Takuya Wada

IPC分类号： G11B7/00

CPC分类号： G11B7/085 ,  G11B7/08576

摘要： An optical disc apparatus includes a withdrawal means for moving an objective lens (32) to a position distant from an optical disc (1) during an inactive duration of intermittent recording or reproducing operation. A means for regulating or fixing the objective lens (32) at the position distant from the optical disc (1) is further provided. Thus, even in a noncontrolled state during the inactive duration, it is possible to prevent collision of the objective lens (32) with the optical disc (1). As a result, both power saving and safety of the apparatus can be attained.

摘要翻译： 一种光盘装置，包括一个取出装置，用于在间歇的记录或再现操作的非活动时间期间将物镜（32）移动到远离光盘（1）的位置。 还提供用于在离开光盘（1）的位置处调节或固定物镜（32）的装置。 因此，即使在非活动持续时间的非受控状态下，也可以防止物镜（32）与光盘（1）的碰撞。 结果，可以实现装置的节电和安全。

公开(公告)号：US06711102B1

公开(公告)日：2004-03-23

申请号：US09889017

申请日：2001-07-10

申请人： Yutaka Murakami ,  Osamu Mizuno ,  Hideki Nakata ,  Tohru Nakamura

发明人： Yutaka Murakami ,  Osamu Mizuno ,  Hideki Nakata ,  Tohru Nakamura

IPC分类号： G11B1100

CPC分类号： G11B7/121 ,  G11B5/41 ,  G11B11/10532 ,  G11B11/10584 ,  G11B11/10595 ,  G11B19/12 ,  G11B19/26

摘要： The present invention provides a cleaning disk and a magneto-optical disk drive apparatus being simple in structure, adaptable to cleaning disks having various specifications, low in power consumption, low in electromagnetic noise, and preventing damage to the magnetic head and the optical head; the cleaning disk comprises a magneto-optical disk having an information layer, and a head-cleaning member, provided on the magneto-optical disk, for cleaning the magnetic head of the magneto-optical disk drive apparatus, wherein information regarding a magnetic head cleaning condition for setting the operation condition of the magneto-optical disk drive apparatus during cleaning of the magnetic head has been recorded in advance on the information layer of the magneto-optical disk. The magneto-optical disk drive apparatus reads the information regarding the magnetic head cleaning condition so as to set the operation condition properly.

摘要翻译： 本发明提供一种结构简单的清洁盘和磁光盘驱动装置，适用于具有各种规格的清洗盘，功耗低，电磁噪声低，防止对磁头和光头的损坏; 清洁盘包括具有信息层的磁光盘和设置在磁光盘上的用于清洁磁光盘驱动装置的磁头的头清洁构件，其中关于磁头清洁的信息 预先在磁光盘的信息层上记录了用于在磁头清洁期间设置磁光盘驱动装置的操作条件的条件。 磁光盘驱动装置读取关于磁头清洁条件的信息，以适当地设定操作条件。

公开(公告)号：US5193080A

公开(公告)日：1993-03-09

申请号：US547154

申请日：1990-07-03

申请人： Masanari Mohri ,  Osamu Mizuno ,  Tohru Nakamura

发明人： Masanari Mohri ,  Osamu Mizuno ,  Tohru Nakamura

IPC分类号： G11B11/10 ,  G11B7/085 ,  G11B11/105

CPC分类号： G11B11/10573 ,  G11B11/10571 ,  G11B11/10576 ,  G11B7/08582

摘要： Guide parts and driving parts are independently provided for an optical head and a magnetic bias field generator, and a relative position control part controls the relative positions of the two so that the both can access recording medium tracks individually. Furthermore, a magnetic pattern track for use as the detection signal of the absolute position of the magnetic bias field generator to the magneto-optical recording medium is formed on the magneto-optical recording medium itself, and a positioning control part of the magnetic bias field generator using this magnetic pattern track is provided, so that the positioning control of the absolute position of the magnetic bias field generator with respect to the magneto-optical recording medium may be realized.

公开(公告)号：US07159228B2

公开(公告)日：2007-01-02

申请号：US10316702

申请日：2002-12-10

申请人： Osamu Mizuno ,  Yutaka Murakami ,  Tohru Nakamura

发明人： Osamu Mizuno ,  Yutaka Murakami ,  Tohru Nakamura

IPC分类号： G11B21/21 ,  G11B17/32 ,  G11B5/127

CPC分类号： G11B11/1058 ,  G11B5/4826 ,  G11B5/6082 ,  G11B11/1055

摘要： A converter that records or reproduces information to or from a recording medium while making a movement relative to the recording medium is mounted on a slider. The slider has at least a pair of openings on a side face thereof, and airflow generated by the movement relative to the recording medium flows in via one of the paired openings, passes in a vicinity of a surface of the converter other than a surface thereof facing the recording medium, and thereafter flows out via the other one of the paired openings. With this, the ability to cool the converter is improved.

摘要翻译： 在向记录介质进行移动的同时向记录介质记录或从记录介质再现信息的转换器被安装在滑块上。 滑块在其侧面具有至少一对开口，并且通过相对于记录介质的运动产生的气流经由一对开口中的一个开口流过转换器的除了表面之外的表面附近 面对记录介质，然后经由成对的开口中的另一个流出。 因此，改善了转换器的冷却能力。

公开(公告)号：US06973011B2

公开(公告)日：2005-12-06

申请号：US10637567

申请日：2003-08-11

申请人： Yutaka Murakami ,  Osamu Mizuno ,  Hideki Nakata ,  Tohru Nakamura

发明人： Yutaka Murakami ,  Osamu Mizuno ,  Hideki Nakata ,  Tohru Nakamura

IPC分类号： G11B5/41 ,  G11B7/12 ,  G11B11/105 ,  G11B19/12 ,  G11B19/26 ,  G11B11/00

CPC分类号： G11B7/121 ,  G11B5/41 ,  G11B11/10532 ,  G11B11/10584 ,  G11B11/10595 ,  G11B19/12 ,  G11B19/26

摘要： The present invention provides a cleaning disk and a magneto-optical disk drive apparatus being simple in structure, adaptable to cleaning disks having various specifications, low in power consumption, low in electromagnetic noise, and preventing damage to the magnetic head and the optical head; the cleaning disk comprises a magneto-optical disk having an information layer, and a head-cleaning member, provided on the magneto-optical disk, for cleaning the magnetic head of the magneto-optical disk drive apparatus, wherein information regarding a magnetic head cleaning condition for setting the operation condition of the magneto-optical disk drive apparatus during cleaning of the magnetic head has been recorded in advance on the information layer of the magneto-optical disk. The magneto-optical disk drive apparatus reads the information regarding the magnetic head cleaning condition so as to set the operation condition properly.

摘要翻译： 本发明提供一种结构简单的清洁盘和磁光盘驱动装置，适用于具有各种规格的清洗盘，功耗低，电磁噪声低，防止对磁头和光头的损坏; 清洁盘包括具有信息层的磁光盘和设置在磁光盘上的用于清洁磁光盘驱动装置的磁头的头清洁构件，其中关于磁头清洁的信息 预先在磁光盘的信息层上记录了用于在磁头清洁期间设置磁光盘驱动装置的操作条件的条件。 磁光盘驱动装置读取关于磁头清洁条件的信息，以适当地设定操作条件。

公开(公告)号：US5751688A

公开(公告)日：1998-05-12

申请号：US454566

申请日：1995-05-30

申请人： Osamu Mizuno ,  Tohru Nakamura ,  Hideki Aikoh ,  Hironori Tomita ,  Masanari Mohri

发明人： Osamu Mizuno ,  Tohru Nakamura ,  Hideki Aikoh ,  Hironori Tomita ,  Masanari Mohri

IPC分类号： G11B17/028 ,  G11B17/04

CPC分类号： G11B17/057 ,  G11B17/0282 ,  G11B17/0284 ,  G11B17/0565

摘要： An optical disc clamp mechanism that is capable of selectively playing back either of a compact disc or a mini disc. The clamp mechanism includes a circular disc receiving section for contacting a reference surface of either of the compact disc or the mini disc and further includes a magnetic clamp unit for clamping the mini disc by magnetic attraction with a magnetically attractable member of the mini disc. A first conical or spherical taper cone portion for engaging the center hole of the mini disc is mounted to the disc receiving section and a second conical or spherical taper cone portion for engaging the center hole of the compact disc is mounted to the disc receiving section. The first taper cone portion is located inwardly of the second taper cone portion and protrudes from the second taper cone portion in the axial direction. The magnetic clamp unit further includes a stopper element for preventing detachment of the first and second taper cone portions from the disc receiving section. Accordingly, the optical disc clamp mechanism independently affects the centering of a mini disc and a compact disc to allow either of the discs to be centered.

摘要翻译： 一种能够选择性地播放光盘或迷你光盘中的任何一个的光盘夹紧机构。 夹紧机构包括用于接触致密盘或小型盘之一的参考表面的圆盘接收部分，并且还包括用于通过磁吸引力将迷你盘夹紧在迷你盘的磁吸引构件上的磁夹单元。 用于接合微型盘的中心孔的第一锥形或球形锥形锥形部分安装到盘片接收部分，并且用于接合光盘的中心孔的第二锥形或球形锥形锥形部分安装到盘片接收部分。 第一锥形锥形部分位于第二锥形锥形部分的内侧，并且在轴向方向上从第二锥形锥形部分突出。 磁夹单元还包括用于防止第一和第二锥形锥部从盘接收部分脱离的止动件。 因此，光盘夹紧机构独立地影响微型盘和致密盘的对中，以允许任何一个盘对中。

公开(公告)号：US5124965A

公开(公告)日：1992-06-23

申请号：US413676

申请日：1989-09-28

申请人： Osamu Mizuno ,  Tohru Nakamura ,  Noboru Kikuchi

发明人： Osamu Mizuno ,  Tohru Nakamura ,  Noboru Kikuchi

IPC分类号： G11B7/085 ,  G11B7/09

CPC分类号： G11B7/08582 ,  G11B7/093 ,  G11B7/0932 ,  G11B7/0935

摘要： An optical head and supporting apparatus has an optical head for irradiating a parallel beam in a direction perpendicular to a recording surface of an optical disk, an objective lens rigidly mounted on the optical head for receiving the parallel beam from the optical head, tracking drive coils for driving the optical head over the whole recording range in a first direction transverse to the recording tracks of the optical disk, focusing drive coils for driving the optical head in a second direction perpendicular to the recording surface of the optical disk, and a support mechanism made of wire-shaped elastic bodies for supporting the optical head freely movably in the first and second directions over the whole recording range in the first direction of the optical head. The support mechanism is fixedly mounted through elastic bodies on a part of a structural body independent of movement of the optical head. Seek, tracking and focusing movements of a beam spot can be achieved in such a way that the wire-shaped eleastic bodies are elastically deformed by forces developed through the tracking drive coils and focusing drive coils thereby to move the optical head two-dimensionally.

摘要翻译： 光头和支撑装置具有用于在与光盘的记录表面垂直的方向上照射平行光束的光学头，刚性地安装在光学头上的物镜，用于从光学头接收平行光束，跟踪驱动线圈 用于在与光盘的记录轨道横向的第一方向上在整个记录范围上驱动光头，用于沿垂直于光盘的记录表面的第二方向驱动光头的聚焦驱动线圈和支撑机构 在光学头的第一方向上在整个记录范围内沿第一和第二方向自由移动地支撑光学头的线状弹性体。 支撑机构通过弹性体固定地安装在结构体的一部分上，而与光学头的运动无关。 可以以这样的方式实现束斑的寻找，跟踪和聚焦运动，使得线状的弹性体由通过跟踪驱动线圈和聚焦驱动线圈产生的力弹性变形，从而二维地移动光学头。

公开(公告)号：US20060198256A1

公开(公告)日：2006-09-07

申请号：US10553797

申请日：2004-12-02

申请人： Takuya Wada ,  Tohru Nakamura ,  Hideki Aikoh ,  Takao Hayashi ,  Osamu Mizuno

发明人： Takuya Wada ,  Tohru Nakamura ,  Hideki Aikoh ,  Takao Hayashi ,  Osamu Mizuno

IPC分类号： G11B7/00

CPC分类号： G11B7/0946 ,  G11B7/0933 ,  G11B7/0935 ,  G11B7/121 ,  G11B2007/0006

摘要： A collision preventive member that limits displacements of an objective lens in a focusing direction is provided. The collision preventive member includes a first limiting portion that limits displacements of the objective lens present within a first region while allowing a movable range of the objective lens in the focusing direction to overlap a deflection range of the optical disc within the first region, and a second limiting portion that limits displacements of the objective lens present within a second region in establishing a relation such that the movable range of the objective lens in the focusing direction does not overlap the deflection range of the optical disc within the second region. A controller that controls the objective lens in such a manner that the objective lens is located within the second region in a non-focusing state of the objective lens is provided. It is thus possible to prevent a collision between an optical disc and the objective lens under the environment where vibrations are applied.

摘要翻译： 提供了一种限制物镜在聚焦方向上的位移的防撞构件。 防撞构件包括第一限制部分，其限制存在于第一区域内的物镜的位移，同时允许物镜在聚焦方向上的可移动范围与第一区域内的光盘的偏转范围重叠， 第二限制部分限制存在于第二区域内的物镜的位移，以建立关系，使得物镜在聚焦方向上的可移动范围不与第二区域内的光盘的偏转范围重叠。 提供了一种以物镜位于物镜的非聚焦状态的第二区域内的方式控制物镜的控制器。 因此，可以在施加振动的环境下防止光盘与物镜之间的碰撞。