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1. 发明授权

US07404196B2 Disc apparatus 失效
标题翻译：盘装置
公开(公告)号：US07404196B2
公开(公告)日：2008-07-22
申请号：US11189105
申请日：2005-07-26
申请人： Tomohiro Shirakawa
发明人： Tomohiro Shirakawa
IPC分类号： G11B33/02
CPC分类号： G11B17/056 , G11B17/028
摘要： A disc apparatus including: a disc tray on which a disc is mounted; an optical pickup unit which irradiates a light beam on the disc; a traverse assembly unit on which the optical pickup unit is mounted; a driving motor which is a power source for operating the disc tray, the optical pickup unit, and the traverse assembly unit; an inner circumference arrival sensor which detects whether the optical pickup unit arrives at the inner circumference of the disc; and an encoder sensor which detects the number of rotations of the driving motor when the driving motor rotates clockwise or counterclockwise, wherein based on the number of rotations of the driving motor in the clockwise direction, the optical pickup unit is moved to the inner circumference of the disc, and then the traverse assembly unit descends, so that the disc tray is opened.
摘要翻译：一种盘装置，包括：安装有盘的盘托盘; 将光束照射在光盘上的光学拾取单元; 安装光学拾取单元的横移组件单元; 驱动马达，其是用于操作盘托盘的电源，光学拾取单元和横动组件单元; 内周到达传感器，其检测光学拾取单元是否到达盘的内圆周; 以及编码器传感器，其在所述驱动电动机顺时针或逆时针旋转时检测所述驱动电动机的转数，其中，基于所述驱动电动机沿顺时针方向的转数，所述光学拾取单元被移动到光盘，然后横移组件单元下降，以便打开光盘托盘。

2. 发明授权

US06826770B2 Disk driving device with improved disk holding features 失效
标题翻译：磁盘驱动装置具有改进的磁盘保持功能
公开(公告)号：US06826770B2
公开(公告)日：2004-11-30
申请号：US10245331
申请日：2002-09-18
申请人： Tomohiro Shirakawa
发明人： Tomohiro Shirakawa
IPC分类号： G11B17028
CPC分类号： G11B17/0288
摘要： The receiving surface of a bearing 20 is divided into four segments including a first divided receiving surface which is the end surface of a gate 25, a second divided receiving surface, a third divided receiving surface and a fourth divided receiving surface. An extraction stopping protrusion 63 is projected upward on the outer face of the supporting shaft of the driving arm. In a state where the supporting shaft 6 is attached to the bearing 20, the extraction stopping protrusion 63 is located within the space between a pair of legs 26 of a gate 25.
摘要翻译：轴承20的接收表面被分成四个部分，其包括作为门25的端面的第一分开的接收表面，第二分割接收表面，第三分割接收表面和第四分开的接收表面。拔出停止突起63向上突出在驱动臂的支撑轴的外表面上。在将支撑轴6安装在轴承20上的状态下，抽出停止突起63位于门25的一对脚26之间的空间内。

3. 发明授权

US07194746B2 Tray device mechanism for optical disc apparatus 有权
标题翻译：光盘装置的托盘装置机构
公开(公告)号：US07194746B2
公开(公告)日：2007-03-20
申请号：US10808569
申请日：2004-03-25
申请人： Tomohiro Shirakawa , Hiroyuki Arase , Tetsuo Nishidate , Takeshi Kurita , Masaharu Shibata , Hideki Kume
发明人： Tomohiro Shirakawa , Hiroyuki Arase , Tetsuo Nishidate , Takeshi Kurita , Masaharu Shibata , Hideki Kume
IPC分类号： G11B33/02 , G11B17/03 , G11B17/04
CPC分类号： G11B17/056
摘要： A tray drive mechanism has a simple structure, and yet both an optical disc clamping operation and a tray opening and closing operation can be driven by one feed motor.The tray drive mechanism comprises: a feed gear and a tray drive gear that are rotated by a feed motor; a rack member to mesh with the feed gear so as to be driven in direction to inner circumference of the optical disc; a plate trigger driven by the rack member so as to slide; and a cam slider to slide in linkage with the plate trigger. When the cam slider is slided in linkage with plate trigger so as to be driven in direction by the tray drive gear meshing with a rack, a boss of the cam slider pushes a slope portion of each of cam grooves and provided in a tray, so that the tray slides to cause a rack of the tray to mesh with the tray drive gear. Thus, the tray is opened and closed by the feed motor.
摘要翻译：托盘驱动机构具有简单的结构，并且光盘夹紧操作和托盘打开和关闭操作都可以由一个进给马达驱动。托盘驱动机构包括：由进给马达旋转的进给齿轮和托盘驱动齿轮; 齿条构件，与所述进给齿轮啮合从而沿所述光盘的内圆周方向被驱动; 由所述齿条构件驱动以滑动的板触发器; 以及与板触发器连动地滑动的凸轮滑块。当凸轮滑动器与板触发器相连滑动以便通过与齿条啮合的托架驱动齿轮被驱动时，凸轮滑块的凸台推动每个凸轮槽的斜坡部分并设置在托盘中，因此托盘滑动以使托盘的齿条与托盘驱动齿轮啮合。因此，托盘由进给马达打开和关闭。

4. 发明申请

US20060218568A1 Optical disc loading apparatus and optical disc apparatus 审中-公开
标题翻译：光盘装载装置和光盘装置
公开(公告)号：US20060218568A1
公开(公告)日：2006-09-28
申请号：US11385826
申请日：2006-03-22
申请人： Tomohiro Shirakawa , Takeshi Kurita
发明人： Tomohiro Shirakawa , Takeshi Kurita
IPC分类号： G11B7/00
CPC分类号： G11B7/082
摘要： An optical disc loading apparatus has a traverse chassis, an optical disc drive mechanism, a motor mount plate, an optical head, and a first to a third distance adjuster that adjust the distance between the traverse chassis and the motor mount plate. The first distance adjuster is located on one of the X and Y axes at a position where the first distance adjuster does not interfere with the turn table. The second and third distance adjusters are located symmetrically about the one of the X and Y axes on which the first distance adjuster is located. Thus, with a simple construction and by a simple manner, the angle and the distance between an optical disc and the optical head can be adjusted, and laser light can be shone from the optical head to the optical disc with high accuracy so that data can be read or recorded with accordingly high accuracy.
摘要翻译：光盘装载装置具有横动底盘，光盘驱动机构，马达安装板，光学头以及调整横动底盘与马达安装板之间距离的第一至第三距离调节器。第一距离调节器在第一距离调节器不与转台干涉的位置处位于X轴和Y轴中的一个上。第二和第三距离调节器围绕第一距离调节器所在的X轴和Y轴之一对称地定位。因此，通过简单的结构和简单的方式，可以调节光盘和光头之间的角度和距离，并且可以高精度将激光从光学头照射到光盘，使得数据可以以相当高的精度读取或记录。

5. 发明申请

US20060026620A1 Disc apparatus 失效
标题翻译：盘装置
公开(公告)号：US20060026620A1
公开(公告)日：2006-02-02
申请号：US11189105
申请日：2005-07-26
申请人： Tomohiro Shirakawa
发明人： Tomohiro Shirakawa
IPC分类号： G11B7/08
CPC分类号： G11B17/056 , G11B17/028
摘要： A disc apparatus including: a disc tray on which a disc is mounted; an optical pickup unit which irradiates a light beam on the disc; a traverse assembly unit on which the optical pickup unit is mounted; a driving motor which is a power source for operating the disc tray, the optical pickup unit, and the traverse assembly unit; an inner circumference arrival sensor which detects whether the optical pickup unit arrives at the inner circumference of the disc; and an encoder sensor which detects the number of rotations of the driving motor when the driving motor rotates clockwise or counterclockwise, wherein based on the number of rotations of the driving motor in the clockwise direction, the optical pickup unit is moved to the inner circumference of the disc, and then the traverse assembly unit descends, so that the disc tray is opened.
摘要翻译：一种盘装置，包括：安装有盘的盘托盘; 将光束照射在光盘上的光学拾取单元; 安装光学拾取单元的横移组件单元; 驱动马达，其是用于操作盘托盘的电源，光学拾取单元和横动组件单元; 内周到达传感器，其检测光学拾取单元是否到达盘的内圆周; 以及编码器传感器，其在所述驱动电动机顺时针或逆时针旋转时检测所述驱动电动机的转数，其中，基于所述驱动电动机沿顺时针方向的转数，所述光学拾取单元被移动到光盘，然后横移组件单元下降，以便打开光盘托盘。

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