公开(公告)号：US08305865B2

公开(公告)日：2012-11-06

申请号：US12893268

申请日：2010-09-29

申请人： Satoshi Inoue ,  Yuta Yoshida ,  Naoto Hashimoto ,  Suguru Takishima

发明人： Satoshi Inoue ,  Yuta Yoshida ,  Naoto Hashimoto ,  Suguru Takishima

IPC分类号： G11B7/135

CPC分类号： G11B7/1374

摘要： An objective lens for an optical information recording/reproducing optical system for an optical disc letting a laser beam impinge on a recording layer of the optical disc, and wherein a center wavelength λ (unit: nm) of the laser beam is in a range defined by a condition: 390≦λ≦420, a base material of the objective lens is made of resin, the resin has a glass transition temperature Tg and light transmissivity T (unit: %) per a path length of 3 mm at a wavelength of 406 nm defined by conditions: Tg≧115° C., 85≦T≦90, same antireflection films or different types of antireflection films are respectively formed on optical surfaces of the objective lens, and each of the antireflection films formed on the objective lens has a thickness of 100 nm or more in a vicinity of an optical axis of the objective lens.

摘要翻译： 一种用于光盘的光学信息记录/再现光学系统的物镜，其使激光束照射在光盘的记录层上，并且其中激光束的中心波长λ（单位：nm）在限定的范围内 通过条件：390＆nlE;λ＆nlE; 420，物镜的基材由树脂制成，树脂的玻璃化转变温度Tg和光透射率T（单位：％），每个路径长度为3mm，波长为 由条件限定的406nm：Tg≥115℃，85＆lt; NE; T＆lt; NE; 90，在物镜的光学表面上分别形成相同的防反射膜或不同类型的抗反射膜，并且形成在物镜上的每个防反射膜 在物镜的光轴附近具有100nm以上的厚度。

公开(公告)号：USD602060S1

公开(公告)日：2009-10-13

申请号：US29304652

申请日：2008-03-05

申请人： Suguru Takishima

设计人： Suguru Takishima

公开(公告)号：US06430113B1

公开(公告)日：2002-08-06

申请号：US09592728

申请日：2000-06-13

申请人： Suguru Takishima

发明人： Suguru Takishima

IPC分类号： G11B1304

CPC分类号： G11B11/10554 ,  G11B11/10558

摘要： A magnetic head up/down mechanism for an magneto-optical disc drive is provided with a magnetic head supporting member mounting a magnetic head. The supporting member is attached to one end of an elongated plate spring member. A moving system is further provided to move the plate spring member together with the supporting member so that the magnetic head is located either an operative position or a retracted position. The operative position and the retracted position are located between an objective lens of the disc drive and the data recording surface of a magneto-optical disc loaded in the magneto-optical disc drive.

摘要翻译： 用于磁光盘驱动器的磁头上/下机构设置有安装磁头的磁头支撑构件。 支撑构件附接到细长板簧构件的一端。 进一步提供移动系统以使板簧构件与支撑构件一起移动，使得磁头位于操作位置或缩回位置。 操作位置和缩回位置位于盘驱动器的物镜和装载在磁光盘驱动器中的磁光盘的数据记录表面之间。

公开(公告)号：US06411583B1

公开(公告)日：2002-06-25

申请号：US08896533

申请日：1997-07-18

申请人： Hiroshi Yamamoto ,  Suguru Takishima

发明人： Hiroshi Yamamoto ,  Suguru Takishima

IPC分类号： G11B3314

CPC分类号： G11B17/0405

摘要： A rectangular shutter leaf is swingably provided to an opening of a front panel of a disk drive device, a cartridge being inserted or discharged through the opening. The shutter leaf is supported to, and swingable about, one side of the shutter leaf. A resilient skirt is provided on all sides of the shutter leaf except the supported side, and extends toward the periphery of the opening. When the shutter leaf is parallel to the front panel and substantially closes the opening, the resilient skirt covers a clearance between the shutter leaf and the opening, preventing the entry of debris or dust into the interior of the disk drive device through the opening.

摘要翻译： 矩形快门叶可摆动地设置在盘驱动装置的前面板的开口处，盒通过开口插入或排出。 快门叶被支撑并且围绕快门叶的一侧可摆动。 弹性裙部设置在活门叶片的除了支撑侧之外的所有侧面上，并且朝向开口的周边延伸。 当快门叶片平行于前面板并且基本上封闭开口时，弹性裙部覆盖快门叶片和开口之间的间隙，防止碎片或灰尘通过开口进入盘驱动装置的内部。

公开(公告)号：US06341106B1

公开(公告)日：2002-01-22

申请号：US09186202

申请日：1998-11-04

申请人： Ryoichi Nakanishi ,  Hiroshi Nishikawa ,  Suguru Takishima ,  Shimpei Shinozaki

发明人： Ryoichi Nakanishi ,  Hiroshi Nishikawa ,  Suguru Takishima ,  Shimpei Shinozaki

IPC分类号： G11B700

CPC分类号： G11B7/1365 ,  G11B7/08505 ,  G11B7/08564 ,  G11B7/08576 ,  G11B7/122 ,  G11B7/1381 ,  G11B7/1387 ,  G11B11/10554 ,  G11B11/10563 ,  G11B11/10569

摘要： Disclosed is an optical disc drive. The optical disc drive is provided with an arm member carrying an objective optical system and a light emitting system. The arm member is rotatable about an axis at one end portion thereof. On the other end portion of the arm member, the objective optical system is mounted. A detecting system is further provided for receiving light reflected by the optical disc via the objective optical system. The detecting system detects data related to an orientation of a beam spot formed by the reflected beam on its light receiving surface. Further provided is a control system which determines a current position of the arm member based on the data related to the orientation of the beam spot.

摘要翻译： 公开了一种光盘驱动器。 光盘驱动器设置有承载物镜光学系统和发光系统的臂构件。 臂构件在其一个端部处可绕轴线旋转。 在臂构件的另一端部安装物镜光学系统。 还提供一种检测系统，用于经由物镜光学系统接收由光盘反射的光。 检测系统检测与其受光面上的反射光束形成的束斑的取向有关的数据。 还提供了一种控制系统，其基于与束斑的取向相关的数据来确定臂构件的当前位置。

公开(公告)号：US06333910B1

公开(公告)日：2001-12-25

申请号：US09181553

申请日：1998-10-29

申请人： Hiroshi Nishikawa ,  Suguru Takishima

发明人： Hiroshi Nishikawa ,  Suguru Takishima

IPC分类号： G11B700

CPC分类号： B82Y10/00 ,  G11B7/08576 ,  G11B7/122 ,  G11B7/1362 ,  G11B11/10534 ,  G11B11/10554 ,  G11B11/1058

摘要： Disclosed is an optical system for an optical disc drive. The head is provided with a laser source, an objective optical system, and a deflection mirror provided between the laser source and the objective optical system. As the deflection mirror is rotated, the angle of incidence of the beam incident of the objective optical system changes so that a fine tracking is performed. When the deflection mirror is rotated, based on the rotation amount and a distance between the deflection mirror and the objective optical system, the deflection mirror is moved in a direction along which the laser beam is incident so that the laser beam deflected by the deflection mirror is incident on the objective optical system substantially at the same position regardless of rotation amount of the deflection mirror.

摘要翻译： 公开了一种用于光盘驱动器的光学系统。 头部设置有激光源，物镜光学系统和设置在激光源和物镜光学系统之间的偏转镜。 当偏转镜旋转时，物镜光学系统入射的光束的入射角改变，从而进行精细跟踪。 当偏转镜旋转时，基于旋转量和偏转镜与物镜光学系统之间的距离，偏转镜沿着激光束入射的方向移动，使得由偏转镜偏转的激光束 入射到物镜光学系统基本上位于同一位置，而与偏转镜的旋转量无关。

公开(公告)号：US06285484B1

公开(公告)日：2001-09-04

申请号：US09492823

申请日：2000-01-27

申请人： Suguru Takishima ,  Toshio Nakagishi

发明人： Suguru Takishima ,  Toshio Nakagishi

IPC分类号： G02B2608

CPC分类号： G11B7/08576 ,  G11B7/08564

摘要： A galvano mirror system includes (1) a galvano mirror, (2) a mirror holder having a front portion to which the galvano mirror is mounted and a rear portion opposing to the front portion, (3) a stator which rotatably supports the mirror holder, (4) first and second reflecting surfaces provided to the rear portion of the mirror holder, and (5) first and second photo sensors provided to the stator. Each photo sensor includes a light-emitting device and a light-receiving device. A controller of the galvano mirror system detects the rotational position of the mirror holder according to on a difference in outputs of the light-receiving devices of the first and second photo sensors.

摘要翻译： 电流镜系统包括（1）电流镜，（2）具有安装电流镜的前部的反射镜保持器和与前部相对的后部，（3）可旋转地支撑镜保持器的定子 ，（4）设置在镜保持器的后部的第一和第二反射面，以及（5）设置在定子上的第一和第二光电传感器。 每个光传感器包括发光装置和光接收装置。 电光镜系统的控制器根据第一和第二光传感器的光接收装置的输出差异来检测反射镜保持器的旋转位置。

公开(公告)号：US6011673A

公开(公告)日：2000-01-04

申请号：US50869

申请日：1998-03-31

申请人： Hiroshi Kanazawa ,  Shimpei Shinozaki ,  Isao Okuda ,  Suguru Takishima ,  Takeharu Shin

发明人： Hiroshi Kanazawa ,  Shimpei Shinozaki ,  Isao Okuda ,  Suguru Takishima ,  Takeharu Shin

IPC分类号： G11B11/105 ,  G11B17/04 ,  G11B5/54

CPC分类号： G11B17/0438 ,  G11B11/10558 ,  G11B11/10573

摘要： A magneto-optical disk drive incorporates: a structure to mount a front panel to a frame using a cartridge loading system, using a set of linearly movable control cam plates, to draw a cartridge into a cartridge holder and then to move the cartridge holder to an operating position; a timing control system for the cartridge loading system, which includes a unitary encoder cam gear including a drive gear portion to move the cam plates to lift and lower the cartridge holder, a cam groove portion to draw a cartridge into the cartridge holder, and timing encoders portions to interrupt photo sensors; a shutter mechanism to fully close a cartridge slot with a shutter, both when the drive holds a cartridge and when empty; a magnetic head vertical positioning system to position a magnetic head base against fixed reference surfaces below and a set of resilient members above; a magnetic head horizontal positioning system to first fix the magnetic head base to rotate horizontally about a point, and then to resiliently hold the base from rotating against a rigid member; a magnetic head carriage lock mechanism to hold a magnetic head carriage in its outermost radial position; and a control system for quickly synchronizing magnetic head movement and optical head movement by first moving both heads to an outermost radial position.

摘要翻译： 磁光盘驱动器包括：使用一组线性可移动控制凸轮板将盒前端面板安装到框架的结构，使用一组可线性移动的控制凸轮板将盒子拉入盒架中，然后将盒架移动到 经营职位; 一种用于盒装载系统的定时控制系统，其包括一个整体编码器凸轮齿轮，其包括用于移动凸轮板以提升和降低盒保持器的驱动齿轮部分，将盒子拉入盒保持器的凸轮槽部分， 编码器部分来中断光传感器; 一个快门机构，用于在驱动器固定墨盒时和空时完全关闭带有快门的墨盒槽; 磁头垂直定位系统，用于将磁头基座定位在下面固定的参考表面和一组上面的弹性构件; 一个磁头水平定位系统，用于首先将磁头基座固定在水平方向绕一个点旋转，然后弹性地将基座旋转抵靠刚性构件; 用于将磁头托架保持在其最外径位置的磁头托架锁定机构; 以及用于通过首先将两个头移动到最外径位置来快速地使磁头移动和光头移动同步的控制系统。

公开(公告)号：US5920140A

公开(公告)日：1999-07-06

申请号：US100897

申请日：1998-06-22

申请人： Toshio Nakagishi ,  Suguru Takishima ,  Hiroshi Yamamoto

发明人： Toshio Nakagishi ,  Suguru Takishima ,  Hiroshi Yamamoto

IPC分类号： G02B26/10 ,  H02K13/00 ,  H02K26/00 ,  H01R39/00 ,  F16C17/04 ,  G02B26/08 ,  H02K11/00

CPC分类号： H02K26/00 ,  G02B26/105 ,  H02K13/003

摘要： A galvano mirror is held by a mirror holder. The mirror holder is rotatable about a rotation axis and supported in a stator. A center pins (made of conductive material) are provided to the stator. A pair of receive members (made of conductive material) are provided to the mirror holder. Each of the receive member receiving respective center pin. A pair of coils are provided to opposing ends of the mirror holder, the movable parts being connected to the receive members. The center pins and the receive members constitute a electrical feeding path for feeding electricity to the coils.

摘要翻译： 电视镜由镜子座保持。 镜架能绕旋转轴线旋转并支撑在定子中。 中心销（由导电材料制成）设置在定子上。 一对接收构件（由导电材料制成）被提供到镜架。 每个接收件接收相应的中心销。 一对线圈设置在反射镜保持器的相对端部，可动部分连接到接收部件。 中心销和接收构件构成用于向线圈供电的馈电路径。

公开(公告)号：US5577008A

公开(公告)日：1996-11-19

申请号：US409948

申请日：1995-03-23

申请人： Hiroshi Kanazawa ,  Isao Okuda ,  Shimpei Shinozaki ,  Suguru Takishima

发明人： Hiroshi Kanazawa ,  Isao Okuda ,  Shimpei Shinozaki ,  Suguru Takishima

IPC分类号： G11B11/105 ,  G11B17/04 ,  G11B11/00 ,  G11B33/02

CPC分类号： G11B11/10558 ,  G11B17/0438 ,  G11B11/10597

摘要： A magneto-optical disk drive system, utilizing a magnetic field modulation recording method, has a disk cartridge for housing a magneto-optical disk therein and insertable into a system housing and a magnetic head in the system housing for writing information on the magneto-optical disk held in the disk cartridge. The disk cartridge is guided by cam grooves and cam pins for movement between a first unloading position and a first loading position when inserted in the system housing. The magnetic head is guided by cam grooves and cam pins for movement between a second unloading position remote from the disk cartridge and a second loading position close to the disk cartridge. The magnetic head is normally urged to move from the second loading position toward the second unloading position under the bias of a tension spring. A lock arm is attracted by an electromagnet to lock the magnetic head in the second loading position when the main power supply of the magneto-optical disk drive system is turned on. When the electromagnet is de-energized, the lock arm is released, unlocking the magnetic head to move from the second loading position toward the second unloading position toward the second unloading position under the bias of the tension spring.

摘要翻译： 利用磁场调制记录方法的磁光盘驱动系统具有用于在其中容纳磁光盘的盘盒，可插入到系统外壳中的磁头和用于将信息写入磁光的系统外壳中的磁头 磁盘保持在磁盘盒中。 盘盒由凸轮槽和凸轮销引导，用于当插入系统壳体时在第一卸载位置和第一装载位置之间移动。 磁头由凸轮槽和凸轮销引导，用于在远离盘盒的第二卸载位置和靠近盘盒的第二装载位置之间移动。 通常在张力弹簧的偏压下，磁头被迫从第二装载位置向第二卸载位置移动。 当磁光盘驱动系统的主电源接通时，锁定臂被电磁铁吸引，以将磁头锁定在第二装载位置。 当电磁体被断电时，锁定臂被释放，在拉伸弹簧的偏压下使磁头解锁，从第二装载位置向第二卸载位置移动到第二卸载位置。