公开(公告)号：US08220010B2

公开(公告)日：2012-07-10

申请号：US12108572

申请日：2008-04-24

Applicant: Yoshiaki Yamauchi ,  Mitsutaka Shizuya ,  Tatsumi Uchigiri ,  Hisahiro Miki ,  Ikuo Nishida ,  Shinya Tsubota

Inventor： Yoshiaki Yamauchi ,  Mitsutaka Shizuya ,  Tatsumi Uchigiri ,  Hisahiro Miki ,  Ikuo Nishida ,  Shinya Tsubota

IPC: G11B33/14 ,  G11B17/03

CPC classification number: G11B33/08 ,  G11B17/03 ,  G11B33/1486

Abstract: There is provided a disc drive by which the fluid loss of a disc is reduced and the electric power consumption of a spindle motor can be decreased. In the disc drive according to the present invention, a rotation load reducing member is provided between a top cover and the disc. The rotation load reducing member is movably supported by a clearance adjustment member. While the disc is rotating, the rotation load reducing member is moved in the direction approaching the disc. Thereby, the thickness of an air layer on the upper surface of the disc is decreased.

Abstract translation: 提供了一种盘驱动器，其中减少了盘的流体损失，并且可以减小主轴电机的电力消耗。 在根据本发明的盘驱动器中，在顶盖和盘之间设置有旋转负载减小构件。 旋转负载减小构件由间隙调节构件可移动地支撑。 当盘旋转时，旋转负载减小构件沿接近盘的方向移动。 因此，盘的上表面上的空气层的厚度减小。

公开(公告)号：US08095945B2

公开(公告)日：2012-01-10

申请号：US11529344

申请日：2006-09-29

Applicant: Nobuyuki Isoshima ,  Yukinobu Abe ,  Takayuki Fujimoto ,  Ikuo Nishida ,  Masahiro Matsuo

Inventor： Nobuyuki Isoshima ,  Yukinobu Abe ,  Takayuki Fujimoto ,  Ikuo Nishida ,  Masahiro Matsuo

IPC: G11B33/14 ,  G11B17/03 ,  G11B17/04 ,  G11B33/02

CPC classification number: G11B33/148 ,  G11B7/08582 ,  G11B17/056 ,  G11B19/046 ,  G11B33/142

Abstract: An optical disc drive includes a rotation device that rotates an optical disc in a clockwise direction when an upper surface of the optical disc is viewed, a disc mounting portion for mounting of the optical disc thereon has a recess portion, and an optical pickup which irradiates a laser beam on a lower recording surface of the optical disc. The disc mounting portion includes a first penetrating opening portion therethrough that extends from a center area of the recess portion to a periphery of the recess portion. The disc mounting portion further includes a single second penetrating opening portion therethrough being provided at a rear of the disc mounting portion and periphery at an upstream side of the clockwise rotating direction with respect to a center line of the first penetrating opening portion extending from a front to the rear of the disc mounting portion.

Abstract translation: 光盘驱动器包括旋转装置，当观察到光盘的上表面时，旋转光盘顺时针方向，用于在其上安装光盘的盘安装部分具有凹部，以及照射光盘 激光束在光盘的下记录表面上。 盘安装部分包括从凹部的中心区域延伸到凹部的周边的穿过其的第一穿透开口部。 盘安装部分还包括穿过其的单个第二穿透开口部分，其设置在盘安装部分的后部，并且在顺时针旋转方向的上游侧相对于从前部延伸的第一穿透开口部分的中心线设置 到盘安装部分的后部。

公开(公告)号：US20110258650A1

公开(公告)日：2011-10-20

申请号：US13085514

申请日：2011-04-13

Applicant: Yoshiaki YAMAUCHI ,  Hideyuki Nagamine ,  Seiji Hamaie ,  Ikuo Nishida ,  Tatsuya Yamasaki

Inventor： Yoshiaki YAMAUCHI ,  Hideyuki Nagamine ,  Seiji Hamaie ,  Ikuo Nishida ,  Tatsuya Yamasaki

IPC: G11B17/028

CPC classification number: G11B25/043 ,  G11B33/122 ,  G11B33/1493

Abstract: From an optical disc drive, internal static electricity has to be discharged to the outside to prevent breakage of electric components such as laser diodes. A grounding spring has been used to discharge static electricity from a unit mechanism to the enclosure of the optical disc drive but it is necessary to improve the reliability of the drive in consideration of the dimensional accuracy and workability of the spring. Thus the free end of a grounding spring having a cantilever structure is shaped like an arc and an end of the grounding spring has a curved structure. This configuration improves the dimensional accuracy and workability of the spring, so that the performance of the optical disc drive can be more reliable.

Abstract translation: 从光盘驱动器，必须将内部静电放电到外部，以防止激光二极管等电气部件的破损。 已经使用接地弹簧将静电从单元机构排出到光盘驱动器的外壳，但是考虑到弹簧的尺寸精度和可操作性，有必要提高驱动器的可靠性。 因此，具有悬臂结构的接地弹簧的自由端成形为弧形，并且接地弹簧的端部具有弯曲结构。 该配置提高了弹簧的尺寸精度和可操作性，使得光盘驱动器的性能更可靠。

公开(公告)号：US07937721B2

公开(公告)日：2011-05-03

申请号：US11905398

申请日：2007-09-28

Applicant: Kenji Watabe ,  Ikuo Nishida ,  Yoichi Narui ,  Masahiro Matsuo ,  Takayuki Fujimoto

Inventor： Kenji Watabe ,  Ikuo Nishida ,  Yoichi Narui ,  Masahiro Matsuo ,  Takayuki Fujimoto

IPC: G11B33/14 ,  G11B17/03

CPC classification number: G11B17/056 ,  G11B33/142

Abstract: An optical disc apparatus, comprising a tray 2, attached to be insertable within housings 9 and 10, and within the housings are included a disc motor 3, an optical pickup 4 and a moving mechanism thereof, and also a unit mechanism chassis 5 for moving the optical pickup thereon and a controller substrate 71 disposed below the unit mechanism chassis for controlling the optical pickup, and further, a wide-width flexible cable 8 for electrical connection between the controller substrate and the optical pickup, wherein the optical pickup mounts laser units 41, 42 and 43 including three (3) pieces of elements, each emitting a laser light different in the wavelength thereof, a penetrating portion 2b and a wall portion 2e are provided in a part of left bottom surface of the tray, while forming a cutoff portion 55 in a part of the chassis, thereby guiding the airflow generated accompanying with rotation of the optical disc onto the optical pickup, with certainty.

Abstract translation: 包括安装在壳体9和10内以及壳体内的托盘2的光盘装置包括盘马达3，光学拾取器4及其移动机构，以及用于移动的单元机构底盘5 其上设置有光学拾取器，以及设置在单元机构底座下方用于控制光学拾取器的控制器基板71，以及用于在控制器基板和光学拾取器之间电连接的宽幅柔性电缆8，其中光学拾取器安装激光单元 41,42和43包括三（3）个元件，每个元件发射波长不同的激光，穿透部分2b和壁部分2e设置在托盘的左下表面的一部分中，同时形成 切断部分55在底盘的一部分中，从而可靠地将伴随光盘旋转产生的气流引导到光学拾取器上。

公开(公告)号：US20090288107A1

公开(公告)日：2009-11-19

申请号：US12430165

申请日：2009-04-27

Applicant: Yoichi NARUI ,  Ikuo Nishida ,  Yoshiyuki Tanaka ,  Hisahiro Miki

Inventor： Yoichi NARUI ,  Ikuo Nishida ,  Yoshiyuki Tanaka ,  Hisahiro Miki

IPC: G11B17/04

CPC classification number: G11B17/051

Abstract: An optical disc apparatus including first to fourth disc guides. At the end of disc loading, the first one, in a fixed position, contacts a peripheral side face of the optical disc at a first point thereon to support the disc; the second one has a plane opposite to the peripheral side face which contacts the peripheral side face of the optical disc at a second point to support the disc while restrained from moving away from the side face; the third one contacts the peripheral side face of the optical disc at a third point to support the disc while biased by a spring; and the fourth one contacts the side face at a fourth point while biased by a spring to support the disc, and is restrained from moving against the resilience of the spring. The disc, supported by those disc guides, is chucked by a clamper.

Abstract translation: 一种光盘装置，包括第一至第四盘导向件。 在盘装载结束时，第一个在固定位置，在其上的第一点处接触光盘的周边侧面以支撑盘; 第二个具有与在第二点处接触光盘的周边侧面的周边侧面相对的平面，以支撑盘，同时限制远离侧面移动; 第三个在第三点接触光盘的周边侧面，以在弹簧偏压的同时支撑盘; 并且第四个在第四点处接触侧面，同时由弹簧偏压以支撑盘，并且被抑制抵抗弹簧的弹性运动。 由这些盘导向器支撑的盘被夹持器卡住。

公开(公告)号：US07536700B2

公开(公告)日：2009-05-19

申请号：US11043608

申请日：2005-01-25

Applicant: Yoshiaki Yamauchi ,  Keiji Sasao ,  Ikuo Nishida ,  Hisahiro Miki ,  Kouhei Takita

Inventor： Yoshiaki Yamauchi ,  Keiji Sasao ,  Ikuo Nishida ,  Hisahiro Miki ,  Kouhei Takita

IPC: G11B17/03

CPC classification number: G11B17/041 ,  G11B17/05 ,  G11B33/08

Abstract: A disc drive unit capable of preventing occurrence of errors in a recording system such as a CD or a DVD, using an optical head for recording data on a disc or reproducing data recorded on the disc. A disc tray is adapted to accommodate the disc, and load and unload the disc. A top cover is arranged above the disc. The top cover is formed therein with a concave and convex part for avoiding positioning a node of each of vibration modes (0, n) (where n=2, 3, 4) caused by a critical rotating speed of the disc, at a position right above the optical head.

Abstract translation: 一种能够使用用于在盘上记录数据的光学头或再现记录在盘上的数据的光头来防止诸如CD或DVD的记录系统中的错误发生的盘驱动器单元。 光盘托盘适于容纳光盘，并且加载和卸载光盘。 顶盖安装在光盘上方。 顶盖在其中形成有凹凸部，用于避免将由盘的临界旋转速度引起的每个振动模式（0，n）（其中n = 2,3,4）的节点定位在位置 光学头上方。

公开(公告)号：US20080301720A1

公开(公告)日：2008-12-04

申请号：US12108572

申请日：2008-04-24

Applicant: Yoshiaki Yamauchi ,  Mitsutaka Shizuya ,  Tatsumi Uchigiri ,  Hisahiro Miki ,  Ikuo Nishida ,  Shinya Tsubota

Inventor： Yoshiaki Yamauchi ,  Mitsutaka Shizuya ,  Tatsumi Uchigiri ,  Hisahiro Miki ,  Ikuo Nishida ,  Shinya Tsubota

IPC: G11B17/03

CPC classification number: G11B33/08 ,  G11B17/03 ,  G11B33/1486

Abstract: There is provided a disc drive by which the fluid loss of a disc is reduced and the electric power consumption of a spindle motor can be decreased. In the disc drive according to the present invention, a rotation load reducing member is provided between a top cover and the disc. The rotation load reducing member is movably supported by a clearance adjustment member. While the disc is rotating, the rotation load reducing member is moved in the direction approaching the disc. Thereby, the thickness of an air layer on the upper surface of the disc is decreased.

Abstract translation: 提供了一种盘驱动器，其中减少了盘的流体损失，并且可以减小主轴电机的电力消耗。 在根据本发明的盘驱动器中，在顶盖和盘之间设置有旋转负载减小构件。 旋转负载减小构件由间隙调节构件可移动地支撑。 当盘旋转时，旋转负载减小构件沿接近盘的方向移动。 因此，盘的上表面上的空气层的厚度减小。

公开(公告)号：US20080209457A1

公开(公告)日：2008-08-28

申请号：US11859008

申请日：2007-09-21

Applicant: Yoichi Narui ,  Goshi Shiroishi ,  Ikuo Nishida ,  Kenji Watabe ,  Masahiro Matsuo

Inventor： Yoichi Narui ,  Goshi Shiroishi ,  Ikuo Nishida ,  Kenji Watabe ,  Masahiro Matsuo

IPC: G11B7/08

CPC classification number: G11B33/122 ,  G11B17/056

Abstract: The invention provides a disc device capable of offering good SATA interface performance by optimizing the placement of the SATA connector relative to the control board, solving problems concerning noise or unnecessary radiation.A driver IC and DSP for executing main processing concerning disc recording or reproduction processing are installed in a main printed circuit board. A SATA connector having a power supply terminal and signal terminal is fixed to the main printed circuit board. The SATA connector is placed on the board opposite the DSP. Patterns each connecting the power supply terminal to the driver IC and connecting the signal terminal and DSP are formed on the board. The SATA connector and DSP are placed on the driver IC side relative to the central line of the board, the power supply terminal is placed on the driver IC side, and the signal terminal is placed on the DSP side.

Abstract translation: 本发明提供一种能够通过优化SATA连接器相对于控制板的放置而提供良好的SATA接口性能的光盘装置，解决有关噪声或不必要的辐射的问题。 用于执行关于盘记录或再现处理的主要处理的驱动器IC和DSP安装在主印刷电路板中。 具有电源端子和信号端子的SATA连接器固定到主印刷电路板。 SATA连接器放置在与DSP相对的板上。 在电路板上形成各自将电源端子连接到驱动器IC并连接信号端子和DSP的模式。 SATA连接器和DSP相对于板的中心线放置在驱动器IC侧，电源端子放置在驱动器IC侧，信号端子放置在DSP侧。

公开(公告)号：US20080205209A1

公开(公告)日：2008-08-28

申请号：US11858927

申请日：2007-09-21

Applicant: KENJI WATABE ,  Ikuo Nishida ,  Yoichi Narui ,  Masahiro Matsuo

Inventor： KENJI WATABE ,  Ikuo Nishida ,  Yoichi Narui ,  Masahiro Matsuo

IPC: G11B7/00

CPC classification number: G11B7/082

Abstract: The invention provides an optical disc device conducting highly accurate skew adjustment, avoiding an increase in the number of components, and achieving downsizing. This optical disc device includes: a guide shaft for supporting an optical pickup and guiding its movement; a chassis the guide shaft is attached to; a coil spring attached to the chassis for applying force to an end of the guide shaft; an adjustment screw for adjusting the force applied by the coil spring, provided opposite the coil spring with respect to the guide shaft; and a weight addition member attached to the chassis, wherein internal threads for engaging with the adjustment screw are formed in the weight addition member, and the axis of the adjustment screw engaged with the internal thread, the center of a cross section of the guide shaft perpendicular to its axis, and the axis of the coil spring are aligned along the same line.

Abstract translation: 本发明提供一种执行高精度偏斜调整的光盘装置，避免了部件数量的增加，并实现了小型化。 该光盘装置包括：用于支撑光学拾取器并引导其运动的引导轴; 引导轴附接到底盘; 螺旋弹簧，其附接到所述底盘，用于向所述引导轴的端部施加力; 用于调节与所述螺旋弹簧相对于所述引导轴相对设置的由所述螺旋弹簧施加的力的调节螺钉; 以及附接到所述底盘的重量添加构件，其中，在所述配重添加构件中形成用于与所述调节螺钉接合的内螺纹，并且所述调节螺钉的轴线与所述内螺纹接合，所述引导轴的横截面的中心 垂直于其轴线，并且螺旋弹簧的轴线沿着相同的线对齐。

公开(公告)号：US20070283370A1

公开(公告)日：2007-12-06

申请号：US11541530

申请日：2006-10-03

Applicant: Masahiro Matsuo ,  Yoichi Narui ,  Ikuo Nishida

Inventor： Masahiro Matsuo ,  Yoichi Narui ,  Ikuo Nishida

IPC: G11B17/04 ,  G11B33/12

CPC classification number: G11B17/05 ,  G11B33/12 ,  H05K1/0393

Abstract: A flexible printed-wiring circuit board that connects a signal-processing circuit board and a pickup is prevented from coming into contact with the bottom (or the like) of a tray and thus becoming damaged. The flexible printed-wiring circuit board (FPC board) is disposed in a U-shaped folded state in a space sandwiched between a surface along which the tray moves, and a surface on which the signal-processing circuit board is mounted. An extension portion that restricts deformation of the FPC board toward the tray is provided at a connecting end of the pickup. Length D of the extension portion is set such that length S of the FPC board from a front end of the extension portion to a fold-back position of the FPC board is equal to or less than a required value.

Abstract translation: 防止连接信号处理电路板和拾取器的柔性印刷电路板与托盘的底部（或类似物）接触，从而被损坏。 柔性印刷布线电路板（FPC基板）在夹在托盘移动的表面之间的空间和安装有信号处理电路板的表面之间的空间中被设置成U形折叠状态。 在拾取器的连接端设置有限制FPC板朝向托盘的变形的延伸部。 扩展部的长度D被设定为使得FPC板从FPC延伸部的前端到FPC板的折回位置的长度S等于或小于所需值。