公开(公告)号：US20110096647A1

公开(公告)日：2011-04-28

申请号：US12769501

申请日：2010-04-28

申请人： Kenichiro Yamada ,  Takeyoshi Kataoka

发明人： Kenichiro Yamada ,  Takeyoshi Kataoka

IPC分类号： G11B7/00

CPC分类号： G11B7/0956 ,  G11B7/13925 ,  G11B2007/0013

摘要： An optical disc apparatus including means for calculating a spherical aberration correction quantity of an object lens, reproduced information signal generation means and spherical aberration correction means conducts spherical aberration correction, finds a spherical aberration correction quantity suitable for another layer by calculation on the basis of the obtained spherical aberration correction quantity, and sets the correction quantity as an initial correction quantity of spherical aberration correction. An optical disc apparatus including tilt correction quantity calculation means, reproduced information signal generation means and tilt adjustment means conducts tilt adjustment, finds a tilt correction quantity suitable for another layer by calculation on the basis of the obtained tilt correction quantity, and sets the correction quantity as an initial correction quantity of tilt adjustment.

摘要翻译： 一种光盘装置，包括用于计算物镜的球面像差校正量的装置，再现信息信号产生装置和球面像差校正装置进行球面像差校正，通过基于该像素校正的计算找到适合于另一层的球面像差校正量 获得球面像差校正量，并将校正量设置为球面像差校正的初始校正量。 一种包括倾斜校正量计算装置的光盘装置，再现信息信号产生装置和倾斜调整装置进行倾斜调整，基于获得的倾斜校正量，通过计算找到适合于另一层的倾斜校正量，并将校正量 作为倾斜调整的初始校正量。

公开(公告)号：US08164997B2

公开(公告)日：2012-04-24

申请号：US12769501

申请日：2010-04-28

申请人： Kenichiro Yamada ,  Takeyoshi Kataoka

发明人： Kenichiro Yamada ,  Takeyoshi Kataoka

IPC分类号： G11B11/00

CPC分类号： G11B7/0956 ,  G11B7/13925 ,  G11B2007/0013

摘要： An optical disc apparatus including means for calculating a spherical aberration correction quantity of an object lens, reproduced information signal generation means and spherical aberration correction means conducts spherical aberration correction, finds a spherical aberration correction quantity suitable for another layer by calculation on the basis of the obtained spherical aberration correction quantity, and sets the correction quantity as an initial correction quantity of spherical aberration correction. An optical disc apparatus including tilt correction quantity calculation means, reproduced information signal generation means and tilt adjustment means conducts tilt adjustment, finds a tilt correction quantity suitable for another layer by calculation on the basis of the obtained tilt correction quantity, and sets the correction quantity as an initial correction quantity of tilt adjustment.

摘要翻译： 一种光盘装置，包括用于计算物镜的球面像差校正量的装置，再现信息信号产生装置和球面像差校正装置进行球面像差校正，通过基于该像素校正的计算找到适合于另一层的球面像差校正量 获得球面像差校正量，并将校正量设置为球面像差校正的初始校正量。 一种包括倾斜校正量计算装置的光盘装置，再现信息信号产生装置和倾斜调整装置进行倾斜调整，基于获得的倾斜校正量，通过计算找到适合于另一层的倾斜校正量，并将校正量 作为倾斜调整的初始校正量。

公开(公告)号：US20090080306A1

公开(公告)日：2009-03-26

申请号：US12325482

申请日：2008-12-01

申请人： Takeyoshi Kataoka ,  Matoyuki Suzuki

发明人： Takeyoshi Kataoka ,  Matoyuki Suzuki

IPC分类号： G11B20/18

CPC分类号： G11B19/127 ,  G11B7/0945 ,  G11B7/13925 ,  G11B2007/0006

摘要： An optical disk discriminating method and an optical disk device which can detect reflected rays for making discrimination among kinds of optical disks with high accuracies. By switching a plurality of lasers and moving a spherical aberration corrector while moving an objective lens to cause it to approach or keep away from an optical disk, rays reflected light from the optical disk can be detected with high accuracies. Discrimination among the kinds of a plurality of optical disks can be made on the basis of signals generated from the detected reflected rays. This ensures that the kind of an optical disk can be determined through one operation of sweeping.

摘要翻译： 一种光盘识别方法和光盘装置，其可以高精度地检测用于判别光盘的反射光线。 通过在移动物镜以使其接近或远离光盘的同时切换多个激光器并移动球面像差校正器，可以以高精度检测来自光盘的反射光。 可以基于从检测到的反射光线产生的信号来对多种光盘的种类进行区分。 这确保了通过扫描的一个操作来确定光盘的种类。

公开(公告)号：US07466639B2

公开(公告)日：2008-12-16

申请号：US11295842

申请日：2005-12-06

申请人： Takeyoshi Kataoka ,  Motoyuki Suzuki

发明人： Takeyoshi Kataoka ,  Motoyuki Suzuki

IPC分类号： G11B7/00

CPC分类号： G11B19/127 ,  G11B7/0945 ,  G11B7/13925 ,  G11B2007/0006

摘要： An optical disk discriminating method and an optical disk device which can detect reflected rays for making discrimination among kinds of optical disks with high accuracies. By switching a plurality of lasers and moving a spherical aberration corrector while moving an objective lens to cause it to approach or keep away from an optical disk, rays reflected light from the optical disk can be detected with high accuracies. Discrimination among the kinds of a plurality of optical disks can be made on the basis of signals generated from the detected reflected rays. This ensures that the kind of an optical disk can be determined through one operation of sweeping.

摘要翻译： 一种光盘识别方法和光盘装置，其可以高精度地检测用于判别光盘的反射光线。 通过在移动物镜以使其接近或远离光盘的同时切换多个激光器并移动球面像差校正器，可以以高精度检测来自光盘的反射光。 可以基于从检测到的反射光线产生的信号来对多种光盘的种类进行区分。 这确保了通过扫描的一个操作来确定光盘的种类。

公开(公告)号：US20070121441A1

公开(公告)日：2007-05-31

申请号：US11500443

申请日：2006-08-08

申请人： Takeyoshi Kataoka ,  Mitsuru Harai ,  Nobuhiro Takeda ,  Tsuyoshi Toda

发明人： Takeyoshi Kataoka ,  Mitsuru Harai ,  Nobuhiro Takeda ,  Tsuyoshi Toda

IPC分类号： G11B7/00

CPC分类号： G11B7/08517 ,  G11B7/00718

摘要： Within a seek control method for moving an optical spot onto an arbitrary track, by moving the optical spot into a radial direction of an optical information recording medium, which is formed with lands and grooves, spirally, on an information recording surface thereof, calculation is made on time from staring of seek operation up to completion of pulling the optical spot onto a target track, calculating is made an amount of rotation of the optical information recording medium within that time, which is calculated in the above, determination is made on whether the pulling operation can be conducted or not within a pull-in escape region on a land/groove exchange portion of a tack on the information recording surface of the optical information recording medium, upon the amount of rotation which is calculated in the above, and a starting position of the pulling operation is changed so that the pulling operation can be executed escaping from said pulling escape region, upon basis of result of the determination, thereby achieving the seek operation, with stability and high-speed in timing of conducting tracking servo, also for the optical disk forming the lands and the grooves on the recording surface thereof.

摘要翻译： 在用于将光点移动到任意轨道上的搜索控制方法中，通过在其信息记录表面上螺旋地将形成有平台和凹槽的光学信息记录介质移动到光学信息记录介质的径向方向上，计算是 从寻找操作直到完成将光点拉到目标轨道上时间准确地计算，在上述计算的时间内计算光信息记录介质的旋转量，确定是否 根据上述计算的旋转量，可以在光信息记录介质的信息记录表面上的大头钉的平台/凹槽交换部分的拉入逃逸区域内进行拉拔操作;以及 根据结果​​，改变拉动操作的开始位置，从而可以执行从所述牵引逃逸区域逸出的拉动操作 从而在进行跟踪伺服的定时的稳定性和高速度下也实现寻道操作，以及在其记录表面上形成焊盘和凹槽的光盘。

公开(公告)号：US08570846B2

公开(公告)日：2013-10-29

申请号：US12609797

申请日：2009-10-30

申请人： Takeyoshi Kataoka

发明人： Takeyoshi Kataoka

IPC分类号： G11B7/00

CPC分类号： G11B7/08511 ,  G11B2007/0013

摘要： An optical disk device for recording/reproducing information on/from a multi-layer optical disk moves a light focusing point for several layers by one focus jump. The optical disk device includes a controller to detect a level of a focus error signal to change an output level of a focus drive signal, and the controller changes timing to change the output level of the focus drive signal based on the number of layers for the focus jump.

摘要翻译： 用于在多层光盘上记录/再现信息的光盘装置通过一次聚焦跳跃使多个聚光点移动多个层。 光盘装置包括控制器，用于检测聚焦误差信号的电平以改变聚焦驱动信号的输出电平，并且控制器改变定时，以改变聚焦驱动信号的输出电平， 聚焦跳

公开(公告)号：US08289822B2

公开(公告)日：2012-10-16

申请号：US12769477

申请日：2010-04-28

申请人： Takeyoshi Kataoka ,  Yoshinori Ishikawa ,  Yutaka Nagai ,  Kenji Akahoshi ,  Takakiyo Yasukawa

发明人： Takeyoshi Kataoka ,  Yoshinori Ishikawa ,  Yutaka Nagai ,  Kenji Akahoshi ,  Takakiyo Yasukawa

IPC分类号： G11B21/08

CPC分类号： G11B7/00736 ,  G11B7/0053 ,  G11B7/24038 ,  G11B2007/0006

摘要： Where a hybrid disc has different types of media, the light spot moves among recording layers of the different media, after loading the disc into an optical disc apparatus, there is a problem that information on a media type of each recording layer should be recorded in DI etc. of the optical disc. Detailed information on the hybrid disc is stored in DI, by changing a disc layer type identifier or a disc structure in DI such as BCA or PIC on the optical disc.

摘要翻译： 在混合盘具有不同类型的介质的情况下，在将盘装载到光盘装置中之后，光斑在不同介质的记录层之间移动，存在每个记录层的介质类型的信息应记录在 DI等。 通过在光盘上改变诸如BCA或PIC之类的DI中的光盘层类型标识符或光盘结构，将混合光盘的详细信息存储在DI中。

公开(公告)号：US08243566B2

公开(公告)日：2012-08-14

申请号：US12560082

申请日：2009-09-15

申请人： Takeyoshi Kataoka ,  Nobuo Nakai

发明人： Takeyoshi Kataoka ,  Nobuo Nakai

IPC分类号： G11B7/00

CPC分类号： G11B7/13927 ,  G11B7/0956 ,  G11B7/1378

摘要： There is a need to provide correction of a temperature characteristic of an optical pickup of an optical disk recording/reproducing apparatus, in which items of the optical pickup including spherical aberration may be improved in temperature characteristic. To achieve the need, an optical disk drive is characterized by correcting a spherical aberration correction element when variation of a signal from the control circuit to the driver and/or a tracking or focusing error signal supplied to the controller has a value equal to or more than a predetermined value.

摘要翻译： 需要提供光盘记录/再现装置的光学拾取器的温度特性的校正，其中包括球面像差的光学拾取器的项目可以在温度特性方面得到改善。 为了实现这一需要，光盘驱动器的特征在于当从控制电路到驱动器的信号的变化和/或提供给控制器的跟踪或聚焦误差信号的值等于或等于 超过预定值。

公开(公告)号：US07907480B2

公开(公告)日：2011-03-15

申请号：US12823921

申请日：2010-06-25

申请人： Takeyoshi Kataoka ,  Motoyuki Suzuki

发明人： Takeyoshi Kataoka ,  Motoyuki Suzuki

IPC分类号： G11B7/00

CPC分类号： G11B20/10 ,  G11B7/08529 ,  G11B7/0946

摘要： An optical disk device for recording or reproducing an optical disk has: an objective lens for irradiating a laser beam to the optical disk; an actuator for moving the objective lens in the radial direction of the optical disk; and a spindle motor for rotating the optical disk. After the laser beam irradiated to the optical disk passed through a PID portion of the optical disk, the actuator moves the objective lens in the radial direction of the optical disk at a timing corresponding to a rotational speed. Between signals to drive the actuator, an output time of a deceleration signal is set to a predetermined ratio of a time during which an acceleration signal is outputted. While the deceleration signal is outputted, a light spot passes through the PID portion.

摘要翻译： 用于记录或再现光盘的光盘装置具有：用于将激光束照射到光盘的物镜; 用于沿着光盘的径向方向移动物镜的致动器; 以及用于旋转光盘的主轴电机。 在通过光盘的PID部分照射到光盘的激光束之后，致动器在对应于旋转速度的时刻沿着光盘的径向移动物镜。 在驱动致动器的信号之间，减速信号的输出时间被设定为输出加速度信号的时间的预定比率。 当减速信号输出时，光点通过PID部分。

公开(公告)号：US07843776B2

公开(公告)日：2010-11-30

申请号：US11500442

申请日：2006-08-08

申请人： Takeyoshi Kataoka ,  Nobuhiro Takeda ,  Tsuyoshi Toda

发明人： Takeyoshi Kataoka ,  Nobuhiro Takeda ,  Tsuyoshi Toda

IPC分类号： G11B7/00

CPC分类号： G11B7/00718 ,  G11B7/08517 ,  G11B7/08535

摘要： For achieving pulling operation into tracking servo during seek operation at high-speed and with stability, in timing thereof, even on an optical disk forming lands and grooves on a recording surface thereof, in a seek control method, according to the present invention, for moving an optical spot onto an arbitrary track through movement of an optical pickup 110 into the radial direction on the optical disk forming the lands and the grooves, thereby forming a track on the recording surface thereof, in particular, in the seek operation, measurement is made on a period of a tracking error (TE) signal generated due to the movement in the radial direction, and a time point when the measured period of the tracking error signal exceeds a predetermined value is determined to be a starting point for pulling the optical spot of the optical pickup into the track, through the tracking servo, thereby pulling it selectively, into either one of the land and the groove building up the track.

摘要翻译： 为了在高速且稳定的寻道操作期间实现对跟踪伺服的拉动操作，在其定时中，即使在形成记录表面上的凹槽和凹槽的光盘上，根据本发明，根据本发明， 通过光学拾取器110在形成平台和凹槽的光盘上的径向方向上移动光点到光盘上，从而在记录表面上形成轨道，特别是在寻道操作中，测量是 在由于径向移动而产生的跟踪误差（TE）信号的周期以及跟踪误差信号的测量周期超过预定值的时间点被确定为用于拉动光学器件的起始点 通过跟踪伺服器将光学拾取器的光点移动到轨道中，从而将其选择性地拉动到建立轨道的岸台和槽中的任一个中。