公开(公告)号：US08467280B2

公开(公告)日：2013-06-18

申请号：US12602103

申请日：2009-11-23

申请人： Gwo-Huei Wu ,  Pi-Hai Liu ,  Chih-Ching Chen

发明人： Gwo-Huei Wu ,  Pi-Hai Liu ,  Chih-Ching Chen

IPC分类号： G11B19/02

CPC分类号： G11B7/126 ,  G11B7/00456

摘要： A controller of an optical storage apparatus for generating a plurality of control signals is provided. The controller includes a code generator implemented for determining a plurality of control codes according to an input data associated with data recording, and generating the control signals to deliver the control codes. Each of the control codes represents one power level. Besides, regarding each of the control signals, a minimum transmission pulse length thereof corresponds to more than one power symbol period.

摘要翻译： 提供了一种用于产生多个控制信号的光存储装置的控制器。 该控制器包括一个代码发生器，用于根据与数据记录有关的输入数据确定多个控制代码，并产生控制信号以传送控制代码。 每个控制代码表示一个功率级。 此外，关于每个控制信号，其最小传输脉冲长度对应于多于一个功率符号周期。

公开(公告)号：US20110075530A1

公开(公告)日：2011-03-31

申请号：US12602103

申请日：2009-11-23

申请人： Gwo-Huei Wu ,  Pi-Hai Liu ,  Chih-Ching Chen

发明人： Gwo-Huei Wu ,  Pi-Hai Liu ,  Chih-Ching Chen

IPC分类号： G11B19/02

CPC分类号： G11B7/126 ,  G11B7/00456

摘要： A controller of an optical storage apparatus for generating a plurality of control signals is provided. The controller includes a code generator implemented for determining a plurality of control codes according to an input data associated with data recording, and generating the control signals to deliver the control codes. Each of the control codes represents one power level. Besides, regarding each of the control signals, a minimum transmission pulse length thereof corresponds to more than one power symbol period.

摘要翻译： 提供了一种用于产生多个控制信号的光存储装置的控制器。 该控制器包括一个代码发生器，用于根据与数据记录有关的输入数据确定多个控制代码，并产生控制信号以传送控制代码。 每个控制代码表示一个功率级。 此外，关于每个控制信号，其最小传输脉冲长度对应于多于一个功率符号周期。

公开(公告)号：US07567054B2

公开(公告)日：2009-07-28

申请号：US11307962

申请日：2006-03-01

申请人： Yu-Hsuan Lin ,  Jin-Bin Yang ,  Chih-Ching Chen ,  Gwo-Huei Wu

发明人： Yu-Hsuan Lin ,  Jin-Bin Yang ,  Chih-Ching Chen ,  Gwo-Huei Wu

IPC分类号： H02P27/04

CPC分类号： G11B19/24 ,  H02P6/08

摘要： A control circuit and a control method of controlling a rotation frequency of a spindle in an optical disc drive, the control circuit comprising: a spindle controller, electrically coupled to the spindle, for driving the spindle to rotate an optical disc according to a rotation control signal; a detector, electrically coupled to the spindle controller, for detecting the rotation frequency and for generating detecting signals; a frequency-adjusting module, electrically coupled to the detector, for adjusting at least one of the detecting signals to reduce a rotation frequency difference between detecting signals; a signal selector, electrically coupled to the frequency-adjusting module, for receiving output signals generated from the frequency-adjusting module and then outputting the rotation control signal.

摘要翻译： 一种控制电路和控制光盘驱动器中主轴的旋转频率的控制方法，所述控制电路包括：主轴控制器，其电耦合到所述主轴，用于驱动所述主轴以根据旋转控制旋转光盘 信号; 电耦合到主轴控制器的检测器，用于检测旋转频率并产生检测信号; 频率调节模块，电耦合到所述检测器，用于调整所述检测信号中的至少一个以减小检测信号之间的旋转频率差; 电耦合到频率调节模块的信号选择器，用于接收从频率调节模块产生的输出信号，然后输出旋转控制信号。

公开(公告)号：US20070205737A1

公开(公告)日：2007-09-06

申请号：US11307962

申请日：2006-03-01

申请人： Yu-Hsuan Lin ,  Jin-Bin Yang ,  Chih-Ching Chen ,  Gwo-Huei Wu

发明人： Yu-Hsuan Lin ,  Jin-Bin Yang ,  Chih-Ching Chen ,  Gwo-Huei Wu

IPC分类号： G05B19/10

CPC分类号： G11B19/24 ,  H02P6/08

摘要： A control circuit and a control method of controlling a rotation frequency of a spindle in an optical disc drive, the control circuit comprising: a spindle controller, electrically coupled to the spindle, for driving the spindle to rotate an optical disc according to a rotation control signal; a detector, electrically coupled to the spindle controller, for detecting the rotation frequency and for generating detecting signals; a frequency-adjusting module, electrically coupled to the detector, for adjusting at least one of the detecting signals to reduce a rotation frequency difference between detecting signals; a signal selector, electrically coupled to the frequency-adjusting module, for receiving output signals generated from the frequency-adjusting module and then outputting the rotation control signal.

摘要翻译： 一种控制电路和控制光盘驱动器中主轴的旋转频率的控制方法，所述控制电路包括：主轴控制器，其电耦合到所述主轴，用于驱动所述主轴以根据旋转控制旋转光盘 信号; 电耦合到主轴控制器的检测器，用于检测旋转频率并产生检测信号; 频率调节模块，电耦合到所述检测器，用于调整所述检测信号中的至少一个以减小检测信号之间的旋转频率差; 电耦合到频率调节模块的信号选择器，用于接收从频率调节模块产生的输出信号，然后输出旋转控制信号。

公开(公告)号：US08300670B2

公开(公告)日：2012-10-30

申请号：US13166817

申请日：2011-06-23

申请人： Hsiao-Yuan Chi ,  Chih-Ching Chen ,  Chia-Wei Liao

发明人： Hsiao-Yuan Chi ,  Chih-Ching Chen ,  Chia-Wei Liao

IPC分类号： H01S3/00

CPC分类号： G11B7/126

摘要： A method for deriving precise control over laser power of an optical pickup unit (OPU) includes: providing an analog-to-digital converter (ADC) within an automatic power calibration (APC) circuit to derive a path gain and/or a path offset from the APC circuit; and selectively performing compensation according to the gain and/or the path offset, in order to maintain precision of a relationship between the laser power and a target command utilized for controlling the laser power. An associated APC circuit comprising an ADC and at least one compensation module is further provided. The ADC is utilized for deriving a path gain and/or a path offset from the APC circuit. The compensation module is utilized for selectively performing compensation according to the path gain and/or the path offset, in order to control the laser power by a target command.

摘要翻译： 用于导出对光学拾取单元（OPU）的激光功率的精确控制的方法包括：在自动功率校准（APC）电路内提供模数转换器（ADC）以导出路径增益和/或路径偏移 从APC电路; 并且根据增益和/或路径偏移选择性地执行补偿，以便保持激光功率与用于控制激光功率的目标指令之间的关系的精度。 还提供了包括ADC和至少一个补偿模块的相关APC电路。 ADC用于从APC电路导出路径增益和/或路径偏移。 补偿模块用于根据路径增益和/或路径偏移选择性地执行补偿，以便通过目标命令控制激光功率。

公开(公告)号：US08270266B2

公开(公告)日：2012-09-18

申请号：US12357409

申请日：2009-01-22

申请人： Tzu-Chieh Lin ,  Yuh Cheng ,  Chih-Ching Chen ,  Tysh-Bin Liu ,  Yu-Hsuan Lin

发明人： Tzu-Chieh Lin ,  Yuh Cheng ,  Chih-Ching Chen ,  Tysh-Bin Liu ,  Yu-Hsuan Lin

IPC分类号： G11B7/00

CPC分类号： G11B7/0053 ,  G11B20/10009 ,  G11B20/10027 ,  G11B20/10046 ,  G11B2020/1239 ,  G11B2020/1268 ,  G11B2020/1274 ,  G11B2220/2537

摘要： A device for detecting wobbles on an optical disc is provided, where the device is utilized for generating a wobble signal according to a plurality of detection signals. The device includes an analog signal processing circuit, a pair of analog-to-digital converters (ADCs), and a digital signal processing circuit. The analog signal processing circuit is arranged to perform analog signal processing on the detection signals to generate a plurality of output signals. In addition, the pair of ADCs are arranged to digitalize the output signals to generate a plurality of digital values. Additionally, the digital signal processing circuit is arranged to perform digital signal processing on the digital values and generate an arithmetic output, where the arithmetic output is utilized for generating the wobble signal or utilized as the wobble signal. An associated method for detecting wobbles on an optical disc is further provided.

摘要翻译： 提供一种用于检测光盘上的摆动的装置，其中该装置用于根据多个检测信号产生摆动信号。 该器件包括模拟信号处理电路，一对模数转换器（ADC）和数字信号处理电路。 模拟信号处理电路被配置为对检测信号执行模拟信号处理以产生多个输出信号。 此外，这对ADC被布置成将输出信号数字化以产生多个数字值。 此外，数字信号处理电路被配置为对数字值执行数字信号处理并产生运算输出，其中运算输出用于产生摆动信号或用作摆动信号。 还提供了一种用于检测光盘上的摆动的相关方法。

公开(公告)号：US07911891B2

公开(公告)日：2011-03-22

申请号：US11758082

申请日：2007-06-05

申请人： Chia-Wei Liao ,  Chih-Ching Chen ,  Yuh Cheng ,  Ming-Jiou Yu ,  Kuo-Jung Lan ,  Chun-Yu Lin ,  Shu-Hung Chou

发明人： Chia-Wei Liao ,  Chih-Ching Chen ,  Yuh Cheng ,  Ming-Jiou Yu ,  Kuo-Jung Lan ,  Chun-Yu Lin ,  Shu-Hung Chou

IPC分类号： G11B7/00

CPC分类号： G11B7/0941 ,  G11B7/0903

摘要： The invention provides an apparatus for controlling servo signal gains of an optical disc drive. The apparatus adjusts the gains of a plurality of servo signals controlling a servo system of the optical disc drive according to a closed-loop mode or a state-reloading mode whenever the optical disk drive encounters an operating state transition. In closed-loop mode, at least one AGC loop of the apparatus compensates the gains of the servo signals with a selectable bandwidth during a specific period after the operating state transition to accelerate the convergence of the servo signals. In state-reloading mode, at least one AGC loop of the apparatus reloads the previously saved convergence values or pre-determined values as the initial values according to the current operating state immediately after the operating state transition to accelerate the convergence of the servo signals.

摘要翻译： 本发明提供一种用于控制光盘驱动器的伺服信号增益的装置。 只要光盘驱动器遇到操作状态转换，该装置根据闭环模式或状态重新加载模式来调整控制光盘驱动器的伺服系统的多个伺服信号的增益。 在闭环模式中，该装置的至少一个AGC环路在操作状态转换之后的特定周期期间以可选择的带宽补偿伺服信号的增益，以加速伺服信号的收敛。 在状态重新加载模式中，装置的至少一个AGC回路根据当前运行状态在运行状态转换之后重新加载先前存储的收敛值或预定值作为初始值，以加速伺服信号的收敛。

公开(公告)号：US20100072335A1

公开(公告)日：2010-03-25

申请号：US12426157

申请日：2009-04-17

申请人： Keng Ping Wang ,  Chin Chang Meng ,  Chih-Ching Chen

发明人： Keng Ping Wang ,  Chin Chang Meng ,  Chih-Ching Chen

IPC分类号： F16B47/00

CPC分类号： F16B47/00

摘要： A fixing device is provided. The fixing device is fixed to a surface, comprising a sucker, a rack, a gear, a transforming unit and a limiting unit. The rack is connected to the sucker. The gear is engaged to the rack. The transforming unit is connected to the gear. The transforming unit rotates the gear to move the rack between a first position and a second position. The rack pushes the sucker to apply a suction force to the surface when the rack is in the first position, and the suction force of the sucker is released when the rack is in the second position. The limiting unit is connected to the rack to restrict the rack.

摘要翻译： 提供定影装置。 固定装置固定在表面上，该表面包括吸盘，齿条，齿轮，转换单元和限制单元。 机架连接到吸盘。 齿轮与机架接合。 变压单元连接到齿轮。 变换单元旋转齿轮以在第一位置和第二位置之间移动齿条。 当机架处于第一位置时，机架推动吸盘向表面施加吸力，并且当机架处于第二位置时吸盘的吸力被释放。 限位单元连接到机架以限制机架。

公开(公告)号：US07684291B2

公开(公告)日：2010-03-23

申请号：US11559416

申请日：2006-11-14

申请人： Yu-Hsuan Lin ,  Yuh Cheng ,  Chih-Ching Chen

发明人： Yu-Hsuan Lin ,  Yuh Cheng ,  Chih-Ching Chen

IPC分类号： G11B7/00

CPC分类号： G11B20/10009 ,  G11B20/10027 ,  G11B20/10037 ,  G11B20/10046 ,  G11B27/22 ,  G11B2220/2537 ,  H03G3/3084

摘要： An optical storage device and a blank detection method thereof are disclosed. An RF signal is obtained from an optical disc. A various gain amplifier amplifies the RF signal based on a control signal. An analog to digital converter samples the amplified RF signal to obtain a data signal. An auto gain controller updates the control signal based on amplitude of the data signal. A blank detector detects blankness of the data signal based on a threshold. The threshold is provided by a threshold generator based on the control signal. If the amplitude of the data signal does not exceed the threshold, the blank detector sends a hold signal to suspend update of the control signal.

摘要翻译： 公开了一种光存储装置及其空白检测方法。 从光盘获得RF信号。 各种增益放大器基于控制信号来放大RF信号。 模数转换器对放大的RF信号进行采样以获得数据信号。 自动增益控制器根据数据信号的幅度更新控制信号。 空白检测器基于阈值检测数据信号的空白。 阈值由基于控制信号的阈值发生器提供。 如果数据信号的幅度不超过阈值，则空白检测器发送保持信号以暂停更新控制信号。

公开(公告)号：US20090274025A1

公开(公告)日：2009-11-05

申请号：US12364496

申请日：2009-02-02

申请人： Yu-Hsuan Lin ,  Chih-Ching Chen

发明人： Yu-Hsuan Lin ,  Chih-Ching Chen

IPC分类号： G11B20/00

CPC分类号： G11B7/08505

摘要： A device for controlling access to an optical disc includes a control word calculator and a numerically controlled oscillator (NCO). The control word calculator is arranged to calculate a control word corresponding to a radius where the optical disc is accessed. In addition, the NCO is arranged to generate an output frequency according to the control word, wherein the output frequency is utilized for accessing the optical disc. An associated method for controlling access to an optical disc includes: calculating a control word corresponding to a radius where the optical disc is accessed; and generating an output frequency according to the control word, wherein the output frequency is utilized for accessing the optical disc.

摘要翻译： 用于控制对光盘的访问的装置包括控制字计算器和数控振荡器（NCO）。 控制字计算器被配置为计算对应于光盘被访问的半径的控制字。 此外，NCO被配置为根据控制字产生输出频率，其中输出频率用于访问光盘。 用于控制对光盘的访问的相关方法包括：计算对应于访问光盘的半径的控制字; 以及根据所述控制字产生输出频率，其中所述输出频率用于访问所述光盘。