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公开(公告)号：US06400663B1
公开(公告)日：2002-06-04
申请号：US09660766
申请日：2000-09-13
申请人： Yuu Okada , Kenji Fujiune , Katsuya Watanabe , Takeharu Yamamoto , Jun Kikuchi
发明人： Yuu Okada , Kenji Fujiune , Katsuya Watanabe , Takeharu Yamamoto , Jun Kikuchi
IPC分类号： G11B700
CPC分类号： G11B7/0946 , G11B7/08511 , G11B7/0945 , G11B7/0948 , G11B2007/0006
摘要： An optical disc apparatus includes: a converging section for converging a light beam and irradiating a rotating information medium with the converged light beam; a moving section for moving the converging section, thereby moving a converging point of the converged light beam in a direction perpendicular to an information surface of the information medium; a converging state detection section for generating a focus servo signal which represents a converging state of the light beam on the information medium based on reflected light or transmitted light of the light beam from the information medium; a focus servo control section for controlling the moving section based on the focus servo signal, so that the light beam reaches a predetermined converging state on the information medium; and a focus pull-in section for turning ON the control by the focus servo control section, wherein the focus pull-in section turns ON the control by the focus servo control section in a case where the focus pull-in section determines that the converging point of the light beam is located in the vicinity of the minimum velocity position on the information medium axial deviation.
摘要翻译： 一种光盘装置，包括：聚光部分，用于会聚光束并用会聚光束照射旋转的信息介质; 移动部分，用于移动会聚部分，从而沿着与信息介质的信息表面垂直的方向移动会聚光束的会聚点; 收敛状态检测部分，用于基于来自信息介质的光束的反射光或透射光产生表示光束在信息介质上的会聚状态的聚焦伺服信号; 聚焦伺服控制部分，用于基于聚焦伺服信号控制移动部分，使得光束在信息介质上达到预定的会聚状态; 以及聚焦引入部，用于使聚焦伺服控制部的控制接通，其中，在聚焦引入部确定会聚的情况下，聚焦引入部使聚焦伺服控制部的控制接通 光点的位置位于信息介质轴向偏差的最小速度位置附近。
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22.发明授权Optical disc drive for identifying and processing multiple optical disc types 有权用于识别和处理多种光盘类型的光盘驱动器公开(公告)号：US07190650B2
公开(公告)日：2007-03-13
申请号：US10648018
申请日：2003-08-26
IPC分类号： G11B7/00
CPC分类号： G11B7/0945 , G11B19/12 , G11B2007/0006
摘要： An optical disc drive for processing multiple types of optical discs, of which information storage layers have different depths, includes: a light source; a lens for forming a beam spot; a photodetector for outputting a reflected light signal; a spherical aberration generator for generating a minimum spherical aberration when the beam spot is at a reference depth; a focus drive signal generator for moving the beam spot perpendicularly to the information storage layer of a loaded disc by controlling a position of the lens; a light quantity detector for generating a light quantity signal on receiving a reflected light signal every time the beam spot is moved; and a type recognizer for recognizing the type of the loaded disc by estimating the depth of the information storage layer according to a degree of symmetry of the waveform of the light quantity signal.
摘要翻译： 一种光盘驱动器，用于处理信息存储层具有不同深度的多种类型的光盘，包括：光源; 用于形成束斑的透镜; 用于输出反射光信号的光电检测器; 球面像差发生器，用于当束斑在参考深度时产生最小球面像差; 聚焦驱动信号发生器，用于通过控制透镜的位置来使束斑垂直于加载盘的信息存储层移动; 光量检测器，用于在每次所述束斑移动时在接收到反射光信号时产生光量信号; 以及用于通过根据光量信号的波形的对称度估计信息存储层的深度来识别加载的盘的类型的类型识别器。
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公开(公告)号：US06925048B2
公开(公告)日：2005-08-02
申请号：US10046561
申请日：2001-11-09
CPC分类号： G11B20/0026 , G11B7/00736 , G11B7/08505 , G11B20/10009 , G11B27/24 , G11B27/329 , G11B2020/1259 , G11B2220/211 , G11B2220/2562
摘要： An optical disc apparatus according to the present invention is usable for an optical disc including a bar code area and a control data area adjacent to the bar code area in a radial direction of the optical disc. The optical disc apparatus includes an optical head for directing an optical beam toward the optical disc so as to form an optical spot on the optical disc and output a signal in accordance with the optical beam reflected by the optical disc, a bar code area determination section for determining whether or not the optical spot is positioned on the bar code area of the optical disc based on the signal output by the optical head; and a control section for controlling the optical head so that the optical spot moves toward the control data area, when the optical spot is determined to be positioned on the bar code area.
摘要翻译： 根据本发明的光盘装置可用于包括条形码区域和与光盘径向方向上的条形码区域相邻的控制数据区域的光盘。 光盘装置包括用于将光束引向光盘以在光盘上形成光点并根据由光盘反射的光束输出信号的光学头，条形码区域确定部分 用于基于由光学头输出的信号确定光点是否位于光盘的条形码区域上; 以及控制部，用于当确定光点被定位在条形码区域上时，控制光学头，使得光点朝向控制数据区移动。
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24.发明授权Apparatus for recording/reproducing information on/from an optical disc having focus control capabilities 失效用于在具有聚焦控制能力的光盘上记录/再现信息的装置公开(公告)号：US08000202B2
公开(公告)日：2011-08-16
申请号：US12241239
申请日：2008-09-30
申请人： Katsuya Watanabe , Shinichi Yamada , Kenji Fujiune , Yuichi Kuze
发明人： Katsuya Watanabe , Shinichi Yamada , Kenji Fujiune , Yuichi Kuze
IPC分类号： G11B7/00
CPC分类号： G11B20/1252 , G11B7/00 , G11B7/0045 , G11B7/0079 , G11B7/08511 , G11B7/24038 , G11B20/1883 , G11B20/1889 , G11B27/19 , G11B2007/0013 , G11B2220/20 , G11B2220/211 , G11B2220/235
摘要： The present invention provides a method for recording/reproducing information on/from an optical disc, wherein the optical disc has a first to an n-th recording layers (n is an integer of 2 or greater) laminated on a substrate, each of the first to the n-th layers having data regions segmented into a first to an m-th data zone groups (m is an integer of 2 or greater) along a radial direction of the optical disc, each of the first to the m-th data zone groups including at least one data zone, the method comprising the steps of: a) recording/reproducing information in/from data zone groups from a j-th data zone group of a first recording layer to a j-th data zone group of an n-th recording layer; and b) repeating step a) for j=1, 2, . . . , m.
摘要翻译： 本发明提供了一种在光盘上记录/再现信息的方法，其中光盘具有层叠在基板上的第一至第n记录层（n为2或更大的整数），每个 首先，具有沿着光盘的径向方向分割成第一至第m数据区组（m为2以上的整数）的数据区的第n层，分别为第一至第m 包括至少一个数据区的数据区组，所述方法包括以下步骤：a）在/从第一记录层的第j个数据区组到第j个数据区组的数据区组中记录/再现信息 的第n记录层; 和b）重复步骤a）j = 1,2，...。 。 。 ，m。
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公开(公告)号：US07496006B2
公开(公告)日：2009-02-24
申请号：US10691848
申请日：2003-10-23
IPC分类号： G11B7/00
CPC分类号： G11B7/0945 , G11B19/26 , G11B19/28
摘要： An optical disc controller of the present invention servo-controls an optical disc device which comprises a disc motor rotating an optical disc and an optical head emitting a light beam for recording data on the optical disc and/or reproducing data from the optical disc. The optical disc controller comprises: a variable clock output section for outputting a plurality of clock signals of different frequencies, and a control section which receives from the optical head a signal indicating a deviation from a predetermined target value to servo-control the light beam of the optical disc device and performs an operation according to the signal indicating the deviation so as to obtain and output a signal indicating a control amount. The variable clock output section changes a frequency of the clock signal according to a recording speed and/or a reproducing speed when the optical disc device performs recording and/or reproduction, and the control section performs an operation to be performed in synchronization with the clock signal of the variable clock output section.
摘要翻译： 本发明的光盘控制器对光盘装置进行伺服控制，该光盘装置包括旋转光盘的盘马达和发射光束的光头，用于在光盘上记录数据和/或从光盘再现数据。 光盘控制器包括：可变时钟输出部分，用于输出不同频率的多个时钟信号;以及控制部分，其从光学头接收指示与预定目标值的偏差的信号，以伺服控制光束的光束 光盘装置，并根据指示偏差的信号进行操作，以获得并输出指示控制量的信号。 当光盘装置执行记录和/或再现时，可变时钟输出部分根据记录速度和/或再现速度改变时钟信号的频率，并且控制部分执行与时钟同步的操作 可变时钟输出部分的信号。
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公开(公告)号：US07196977B2
公开(公告)日：2007-03-27
申请号：US10669809
申请日：2003-09-25
IPC分类号： B11B21/08
CPC分类号： G11B7/08529
摘要： In track jumping operation, an acceleration/deceleration pulse generation portion measures the TE signal amplitude during track jumping, and modifies the acceleration/deceleration time of the acceleration/deceleration pulse according to the measured amplitude to drive a tracking actuator. Also, the acceleration/deceleration pulse generation portion measures the movement time from the start of acceleration until a certain location is reached, and modifies the peak value of the deceleration pulse according to the measured time to drive the tracking actuator.
摘要翻译： 在轨道跳跃操作中，加速/减速脉冲产生部分测量轨道跳跃期间的TE信号振幅，并且根据测量的振幅修改加速/减速脉冲的加速/减速时间，以驱动跟踪致动器。 此外，加速/减速脉冲产生部分测量从加速开始到达某一位置的移动时间，并且根据测量的时间来修改减速脉冲的峰值以驱动跟踪致动器。
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公开(公告)号：US07054241B2
公开(公告)日：2006-05-30
申请号：US10326621
申请日：2002-12-19
申请人： Kenji Kondo , Yuichi Kuze , Kenji Fujiune , Shinichi Yamada , Katsuya Watanabe
发明人： Kenji Kondo , Yuichi Kuze , Kenji Fujiune , Shinichi Yamada , Katsuya Watanabe
IPC分类号： G11B7/00
CPC分类号： G11B7/0956 , G11B7/094 , G11B7/0945
摘要： An optical disc apparatus comprises: rotating means for rotating an information recording medium; a light source for irradiating a light beam onto a data side of the information recording medium; converging means for converging said light beam; focus error detecting means for detecting a difference between said data side and the focus of the light beam converged by said converging means; focus direction transferring means for transferring said converging means in a direction perpendicular to said data side; focus controlling means for driving said focus direction transferring means based on the output of said focus error detecting means in such a way that said light beam converges on said data side in a predetermined state; tracking direction transferring means for transferring said light source in the radius direction of said information recording medium; and tilt calculating means for calculating average values of the outputs of said focus controlling means obtained for a period of time, which is an integer multiple of a period during which said information recording medium makes one rotation at two different points in said radius direction and calculating an inclination of said data side based on said average values at said two different points.
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公开(公告)号：US20050237867A1
公开(公告)日：2005-10-27
申请号：US11159801
申请日：2005-06-23
IPC分类号： G11B7/007 , G11B7/085 , G11B20/10 , G11B20/12 , G11B27/24 , G11B27/32 , G11B7/09 , G11B7/125
CPC分类号： G11B20/0026 , G11B7/00736 , G11B7/08505 , G11B20/10009 , G11B27/24 , G11B27/329 , G11B2020/1259 , G11B2220/211 , G11B2220/2562
摘要： An optical disc apparatus according to the present invention is usable for an optical disc including a bar code area and a control data area adjacent to the bar code area in a radial direction of the optical disc. The optical disc apparatus includes an optical head for directing an optical beam toward the optical disc so as to form an optical spot on the optical disc and output a signal in accordance with the optical beam reflected by the optical disc; a bar code area determination section for determining whether or not the optical spot is positioned on the bar code area of the optical disc based on the signal output by the optical head; and a control section for controlling the optical head so that the optical spot moves toward the control data area, when the optical spot is determined to be positioned on the bar code area.
摘要翻译： 根据本发明的光盘装置可用于包括条形码区域和与光盘径向方向上的条形码区域相邻的控制数据区域的光盘。 光盘装置包括用于将光束引向光盘以在光盘上形成光点并根据由光盘反射的光束输出信号的光学头; 条形码区域确定部分，用于基于由光头输出的信号确定光点是否位于光盘的条形码区域上; 以及控制部，用于当确定光点被定位在条形码区域上时，控制光学头，使得光点朝向控制数据区移动。
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29.发明申请公开(公告)号：US20090028028A1
公开(公告)日：2009-01-29
申请号：US12241239
申请日：2008-09-30
申请人： Katsuya WATANABE , Shinichi Yamada , Kenji Fujiune , Yuichi Kuze
发明人： Katsuya WATANABE , Shinichi Yamada , Kenji Fujiune , Yuichi Kuze
IPC分类号： G11B7/00
CPC分类号： G11B20/1252 , G11B7/00 , G11B7/0045 , G11B7/0079 , G11B7/08511 , G11B7/24038 , G11B20/1883 , G11B20/1889 , G11B27/19 , G11B2007/0013 , G11B2220/20 , G11B2220/211 , G11B2220/235
摘要： The present invention provides a method for recording/reproducing information on/from an optical disc, wherein the optical disc has a first to an n-th recording layers (n is an integer of 2 or greater) laminated on a substrate, each of the first to the n-th layers having data regions segmented into a first to an m-th data zone groups (m is an integer of 2 or greater) along a radial direction of the optical disc, each of the first to the m-th data zone groups including at least one data zone, the method comprising the steps of: a) recording/reproducing information in/from data zone groups from a j-th data zone group of a first recording layer to a j-th data zone group of an n-th recording layer; and b) repeating step a) for j=1, 2, . . . , m.
摘要翻译： 本发明提供了一种在光盘上记录/再现信息的方法，其中光盘具有层叠在基板上的第一至第n记录层（n为2或更大的整数），每个 首先，具有沿着光盘的径向方向分割成第一至第m数据区组（m为2以上的整数）的数据区的第n层，分别为第一至第m 包括至少一个数据区的数据区组，所述方法包括以下步骤：a）在/从第一记录层的第j个数据区组到第j个数据区组的数据区组中记录/再现信息 的第n记录层; 和b）重复步骤a）j = 1,2。 。 。 ，m。
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公开(公告)号：US07480232B2
公开(公告)日：2009-01-20
申请号：US11159801
申请日：2005-06-23
IPC分类号： G11B7/24
CPC分类号： G11B20/0026 , G11B7/00736 , G11B7/08505 , G11B20/10009 , G11B27/24 , G11B27/329 , G11B2020/1259 , G11B2220/211 , G11B2220/2562
摘要： An optical disc apparatus according to the present invention is usable for an optical disc including a bar code area and a control data area adjacent to the bar code area in a radial direction of the optical disc. The optical disc apparatus includes an optical head for directing an optical beam toward the optical disc so as to form an optical spot on the optical disc and output a signal in accordance with the optical beam reflected by the optical disc; a bar code area determination section for determining whether or not the optical spot is positioned on the bar code area of the optical disc based on the signal output by the optical head; and a control section for controlling the optical head so that the optical spot moves toward the control data area, when the optical spot is determined to be positioned on the bar code area.
摘要翻译： 根据本发明的光盘装置可用于包括条形码区域和与光盘径向方向上的条形码区域相邻的控制数据区域的光盘。 光盘装置包括用于将光束引向光盘以在光盘上形成光点并根据由光盘反射的光束输出信号的光学头; 条形码区域确定部分，用于基于由光头输出的信号确定光点是否位于光盘的条形码区域上; 以及控制部，用于当确定光点被定位在条形码区域上时，控制光学头，使得光点朝向控制数据区移动。
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