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    • 71. 发明申请
    • Shock improvement ramp for load/unload mechanism and magnetic disk drive
    • 负载/卸载机构和磁盘驱动器的冲击改进斜坡
    • US20060262448A1
    • 2006-11-23
    • US11437181
    • 2006-05-18
    • Takahisa OkadaTomoki HiramatsuKohji TakahashiKatsuya Watanabe
    • Takahisa OkadaTomoki HiramatsuKohji TakahashiKatsuya Watanabe
    • G11B15/18
    • G11B5/54
    • Embodiments of the invention prevent contact between a peripheral edge of a magnetic disk and a counter surface of a ramp when the magnetic disk is displaced. In one embodiment, a ramp is disposed near the peripheral side surface of a magnetic disk. The ramp has magnetic disk retainers each having slide surfaces and counter surfaces respectively facing the recording surfaces of the magnetic disk. Grooves or recesses are formed in the counter surfaces to define relief spaces. When the peripheral side surface of the magnetic disk is displaced toward the counter surface by shocks exerted on the magnetic disk drive, the relief space prevents the peripheral edge from coming into contact with the counter surface. Thus the amount of particles produced by the collision of the magnetic disk with the ramp can be reduced.
    • 当磁盘移位时,本发明的实施例防止磁盘的周边边缘与斜面的对置表面之间的接触。 在一个实施例中,斜面设置在磁盘的周边侧表面附近。 斜坡具有各自具有分别面对磁盘的记录表面的滑动表面和相对表面的磁盘保持器。 沟槽或凹槽形成在相对表面中以限定浮雕空间。 当通过施加在磁盘驱动器上的冲击使磁盘的周边侧面朝向对置面移动时,释放空间防止周缘与对置面接触。 因此,可以减少由磁盘与斜坡碰撞产生的颗粒的量。
    • 72. 发明授权
    • Optical head and optical disk apparatus for performing focus pull in
    • 用于进行焦点拉入的光头和光盘装置
    • US07130250B2
    • 2006-10-31
    • US10317094
    • 2002-12-12
    • Kenji FujiuneYuichi KuzeKenji KondoShinichi YamadaKatsuya Watanabe
    • Kenji FujiuneYuichi KuzeKenji KondoShinichi YamadaKatsuya Watanabe
    • G11B7/095G11B7/00
    • G11B7/08511G11B2007/0013
    • An optical disk apparatus includes an optical detector which has light receiving areas divided nearly concentrically with an optical beam and outputs a signal corresponding to the amount of the reflected light from an optical disk. A surface vicinity detecting section adds up signals from all the light-receiving areas of the optical detector and outputs a detection signal. The detection signal continuously varies so as to have one maximum level while a beam spot of the optical beam moves from the surface of the information medium to the information plane. An information plane detecting section judges that the focus or the beam spot of the optical beam comes closer to the information plane of the optical disk by detecting the gradient of the detection signal. An approach of a condensing lens and the optical disk is judged based on the judgment results, and thus a collision of the condensing lens and the optical disk can be prevented.
    • 光盘装置包括光检测器,其具有与光束几乎同心分开的光接收区域,并且输出与来自光盘的反射光量对应的信号。 表面附近检测部将来自光检测器的所有光接收区域的信号相加,并输出检测信号。 检测信号连续变化,从而具有一个最大值,同时光束的光束点从信息介质的表面移动到信息平面。 通过检测检测信号的梯度,信息面检测部判断出光束的聚焦或光点靠近光盘的信息平面。 基于判断结果判断聚光透镜和光盘的接近,从而可以防止聚光透镜与光盘的碰撞。
    • 73. 发明申请
    • Microscope optical system, microscope, and virtual slide forming system
    • 显微镜光学系统,显微镜和虚拟幻灯片成型系统
    • US20050248837A1
    • 2005-11-10
    • US11121961
    • 2005-05-05
    • Ichiro SaseKatsuya Watanabe
    • Ichiro SaseKatsuya Watanabe
    • G02B21/00G02B21/36
    • G02B21/32G02B21/002
    • The purpose is to move an observation field of view of a microscope without moving or changing an objective lens without varying position or state of a sample. A microscope optical system according to the present invention has a mirror that changes the direction of the optical path by reflection and locates in the optical path between an objective lens of the microscope and an image to be observed. The mirror is able to be tilted with changing the position of a reflecting surface of the mirror. Accordingly, the observation field of view is moved by tilting the mirror. In other words, the observation field of view can be moved without changing positional relation between the objective lens of the microscope and the sample.
    • 目的是在不改变样品的位置或状态的情况下移动或改变物镜而移动显微镜的观察视场。 根据本发明的显微镜光学系统具有通过反射改变光路的方向并且位于显微镜的物镜与要观察的图像之间的光路中的反射镜。 镜子能够随着反射镜反射面的位置而倾斜。 因此,通过倾斜反射镜来移动观察视场。 换句话说,可以移动观察视场而不改变显微镜的物镜与样本之间的位置关系。
    • 74. 发明申请
    • Optical disc apparatus
    • 光盘装置
    • US20050219976A1
    • 2005-10-06
    • US10520774
    • 2003-08-13
    • Tooru MaruyamaTakashi KishimotoKenji FujiuneKatsuya Watanabe
    • Tooru MaruyamaTakashi KishimotoKenji FujiuneKatsuya Watanabe
    • G11B21/08G11B7/004G11B7/005G11B7/085G11B7/09G11B19/20G11B19/247G11B19/28G11B5/09
    • G11B19/20G11B7/08511G11B7/08529G11B19/247
    • The optical disc apparatus comprises a disc motor (114) operable to rotate an optical disc (1), a traverse (111) operable to move an optical beam spot which is irradiated on an optical beam on the optical disc (1) to the radius direction of the optical disc (1), a linear velocity operation unit (117) operable to detect the linear velocity of the optical beam spot, a disc motor control unit (116) operable to control the disc motor (114) so that the linear velocity detected by the linear velocity operation unit (117) remains roughly invariable in an arbitrary radius location on the optical disc (1) when information recorded on the optical disc (1) is read out, a search control unit (121) and a location profile adjustment unit (118) operable to control a traverse (111) so as to prevent the linear velocity from decreasing to the permissible linear velocity or below when the optical beam spot is moved by the traverse (111).
    • 光盘装置包括可操作以旋转光盘(1)的圆盘马达(114),可操作以将照射在光盘(1)上的光束上的光束点移动到半径 光盘(1)的方向,可操作以检测光束点的线速度的线速度运算单元(117),盘马达控制单元(116),其可操作以控制盘马达(114),使得线性 当读出记录在光盘(1)上的信息被读出时,由线速度操作单元(117)检测的速度在光盘(1)上的任意半径位置保持粗略不变,搜索控制单元(121)和位置 轮廓调整单元(118),其可操作以控制横动(111),以防止当光束斑点通过横动(111)移动时,线速度降低到允许的线速度或更低。
    • 75. 发明申请
    • Information medium apparatus and information medium starting method
    • 信息媒体设备和信息媒体启动方式
    • US20050117465A1
    • 2005-06-02
    • US10972215
    • 2004-10-22
    • Takashi KishimotoRie TakahashiKatsuya Watanabe
    • Takashi KishimotoRie TakahashiKatsuya Watanabe
    • G11B7/00G11B7/085G11B19/12G11B23/28
    • G11B19/12G11B23/285G11B2007/0006
    • An information medium apparatus for performing at least one of a recording operation and a reproduction operation for the information medium, includes: a determination section for determining whether or not a cartridge for accommodating the information medium has been previously opened; and a control section for performing a start processing procedure corresponding to the information medium. When it is determined that the cartridge has not been previously opened, the control section performs a first start processing procedure for starting the information medium by using a blue laser. When it is determined that the cartridge has been previously opened, the control section determines whether or not the information medium is an information medium for which a start processing procedure is to be performed by using a laser other than the blue laser.
    • 一种用于执行信息介质的记录操作和再现操作中的至少一个的信息介质设备,包括:确定部分,用于确定用于容纳信息介质的盒是否已经被预先打开; 以及用于执行与信息介质相对应的开始处理过程的控制部分。 当确定盒未被先前打开时,控制部分通过使用蓝色激光器执行用于启动信息介质的第一开始处理过程。 当确定盒已经被预先打开时,控制部分确定信息介质是否是通过使用除了蓝色激光器之外的激光器执行开始处理过程的信息介质。
    • 79. 发明授权
    • Optical disk apparatus
    • 检测异常状态的盘装置
    • US06834030B2
    • 2004-12-21
    • US10463368
    • 2003-06-17
    • Takashi KishimotoTakeharu YamamotoKenji FujiuneKatsuya Watanabe
    • Takashi KishimotoTakeharu YamamotoKenji FujiuneKatsuya Watanabe
    • G11B700
    • G11B7/0946G11B7/0901G11B7/0908G11B7/0941G11B7/095G11B7/0953
    • An optical disk apparatus includes: a light irradiator operable to converge a light beam and irradiate an information carrier with the converged light beam; a traverse motor operable to move the light beam in a direction traversing a track formed on a surface of the information carrier; and a tracking controller operable to control the traverse motor to scan the track with the light beam. The tracking controller includes a deviation detector operable to generate a detection signal, a tracking driving circuit operable to generate a driving signal, an integrator operable to integrate a magnitude of a signal corresponding to the driving signal over a predetermined time period and an abnormal state detector operable to detect an abnormal state of the traverse motor based on an output of the integrator.
    • 光盘装置包括:光照射器,其可操作以会聚光束并用会聚光束照射信息载体; 横动马达,其可操作以沿着穿过形成在信息载体的表面上的轨道的方向移动光束; 以及跟踪控制器,其可操作以控制横动马达以光束扫描轨道。 跟踪控制器包括可操作以产生检测信号的偏差检测器,可操作以产生驱动信号的跟踪驱动电路,可用于在预定时间段内对与驱动信号相对应的信号的大小进行积分的积分器和异常状态检测器 可操作以基于积分器的输出来检测横动马达的异常状态。
    • 80. 发明授权
    • Optical disc device
    • 光盘设备
    • US06721239B2
    • 2004-04-13
    • US10005301
    • 2001-11-08
    • Takashi KishimotoYuu OkadaKatsuya Watanabe
    • Takashi KishimotoYuu OkadaKatsuya Watanabe
    • G11B2108
    • G11B7/08529G11B7/00718
    • An optical disc device with high reliability, which is capable of performing a stable track jumping, is provided. In the optical disc device, a space (time interval) between an address part and the next address part in the address space measuring part 116 inside the DSP 111 is measured, and when the reproduction speed detected in the reproduction speed detection part 117 based on the measuring result is faster than a predetermined reproduction speed, an application timing of an accelerating pulse is switched in the accelerating/decelerating pulse generator 113 such that the application timing of an accelerating pulse or a decelerating pulse is matched with a transit timing in the address part.
    • 提供了一种具有高可靠性的光盘装置,其能够执行稳定的轨迹跳跃。 在光盘装置中,测量DSP111内的地址空间测量部分116中的地址部分和下一个地址部分之间的空间(时间间隔),并且当在再现速度检测部分117中检测到的再现速度基于 测量结果比预定再现速度快,在加速/减速脉冲发生器113中切换加速脉冲的施加定时,使得加速脉冲或减速脉冲的施加定时与地址中的传送定时相匹配 部分。