公开(公告)号：US07791994B2

公开(公告)日：2010-09-07

申请号：US12129666

申请日：2008-05-29

Applicant: Yu-Hsuan Lin ,  Shu-Hung Chou ,  Pi-Hai Liu

Inventor： Yu-Hsuan Lin ,  Shu-Hung Chou ,  Pi-Hai Liu

IPC: G11B7/00

CPC classification number: G11B20/1403 ,  G11B7/0053 ,  G11B20/10037 ,  G11B20/10222 ,  G11B20/10425 ,  G11B20/1217 ,  G11B2020/1239 ,  G11B2020/1268 ,  G11B2220/2541

Abstract: An apparatus and method for demodulating an input signal modulated from a reference signal and a data signal are disclosed. The apparatus includes a determining unit, a first calculating unit, and a comparing unit. The determining unit is utilized for determining a plurality of first calculating timings of changing different calculating modes according to the input signal. The first calculating unit is coupled to the determining unit and utilized for generating a first calculating result of the input signal according to the first calculating timings and the calculating modes thereof. The comparing unit is coupled to the first calculating unit and utilized for generating a comparing result according to the first calculating result of the input signal and a threshold setting, and for outputting a demodulated data of the input signal according to the comparing result.

Abstract translation: 公开了一种用于解调从参考信号和数据信号调制的输入信号的装置和方法。 该装置包括确定单元，第一计算单元和比较单元。 确定单元用于根据输入信号确定改变不同计算模式的多个第一计算定时。 第一计算单元耦合到确定单元，用于根据第一计算定时及其计算模式产生输入信号的第一计算结果。 比较单元耦合到第一计算单元，用于根据输入信号的第一计算结果和阈值设置产生比较结果，并且用于根据比较结果输出输入信号的解调数据。

公开(公告)号：US20100027394A1

公开(公告)日：2010-02-04

申请号：US12577829

申请日：2009-10-13

Applicant: Hung-Chieh Tsai ,  Yu-Hsuan Lin ,  Hsiang-Ji Hsieh

Inventor： Hung-Chieh Tsai ,  Yu-Hsuan Lin ,  Hsiang-Ji Hsieh

IPC: G11B27/36

CPC classification number: G11B7/0956 ,  G11B7/00736

Abstract: The invention provides a servo calibration mark detection circuit for use in an optical disk drive. In one embodiment, the servo calibration mark detection circuit comprises a summing processor, a slicing level generator, and a comparator. The summing processor sums an intensity of a light beam reflected from both an inner groove and an outer groove to obtain a first signal. The slicing level generator generates a slicing level. The comparator then compares the first signal with the slicing level to obtain a second signal, wherein the second signal indicates a first location of a first servo calibration mark recorded on the inner groove and a second location of a second servo calibration mark recorded on the outer groove.

Abstract translation: 本发明提供一种用于光盘驱动器的伺服校准标记检测电路。 在一个实施例中，伺服校准标记检测电路包括求和处理器，限幅电平发生器和比较器。 求和处理器将从内槽和外槽两者反射的光束的强度相加以获得第一信号。 切片电平发生器产生切片电平。 比较器然后将第一信号与限幅电平进行比较以获得第二信号，其中第二信号指示记录在内槽上的第一伺服校准标记的第一位置和记录在外槽上的第二伺服校准标记的第二位置 槽。

公开(公告)号：US07623421B2

公开(公告)日：2009-11-24

申请号：US11554474

申请日：2006-10-30

Applicant: Yu-hsuan Lin ,  Jin-bin Yang ,  Ching-ning Chiu

Inventor： Yu-hsuan Lin ,  Jin-bin Yang ,  Ching-ning Chiu

IPC: G11B7/00

CPC classification number: G11B20/1217 ,  G11B2020/10944 ,  G11B2020/1221 ,  G11B2020/1267 ,  G11B2020/1277 ,  G11B2020/1287 ,  G11B2020/1295 ,  G11B2220/2537 ,  G11B2220/2541 ,  G11B2220/2579

Abstract: Disclosed is a data search system for searching the data sync pattern by using a physical address or by detecting the falling edge of the blank area end. The data search system comprises a first data start indicator, a second data start indicator, a decision circuit, a window generator and a data sync pattern search circuit. The first data start indicator generates a first start search signal indicating a first start position. The second data start indicator generates a second start search signal indicating a second start position. The decision circuit selects to output one of the start search signals. The window generator generates a window interval starting from the start position. The data sync pattern search circuit searches a data sync pattern of the data in the window interval to determine the data following the data sync pattern.

Abstract translation: 公开了一种用于通过使用物理地址或通过检测空白区域结束的下降沿来搜索数据同步模式的数据搜索系统。 数据搜索系统包括第一数据开始指示符，第二数据开始指示符，判定电路，窗口生成器和数据同步模式搜索电路。 第一数据开始指示器产生指示第一开始位置的第一开始搜索信号。 第二数据开始指示器产生指示第二开始位置的第二开始搜索信号。 决定电路选择输出开始搜索信号之一。 窗口生成器从起始位置生成窗口间隔。 数据同步模式搜索电路在窗口间隔中搜索数据的数据同步模式，以确定数据同步模式之后的数据。

公开(公告)号：US20090265521A1

公开(公告)日：2009-10-22

申请号：US12105743

申请日：2008-04-18

Applicant: Yu-hsuan Lin ,  Jin-bin Yang ,  Shu-hung Chou

Inventor： Yu-hsuan Lin ,  Jin-bin Yang ,  Shu-hung Chou

IPC: G06F12/16

CPC classification number: G11B27/24 ,  G11B20/1217 ,  G11B2020/1274 ,  G11B2220/215 ,  G11B2220/2562

Abstract: The present invention discloses an address protection method and circuit capable of efficiently protecting inputting addresses from corruption. The predictable order of a series of original addresses is checked and then the correct addresses are generated by correcting the corrupted addresses within the original addresses. The address protection method and circuit according to the present invention can improve the accuracy of the inputting addresses and increase the validity of data in response to the inputting addresses.

Abstract translation: 本发明公开了一种能够有效地保护输入地址免受损坏的地址保护方法和电路。 检查一系列原始地址的可预测顺序，然后通过校正原始地址中的损坏的地址来生成正确的地址。 根据本发明的地址保护方法和电路可以提高输入地址的精度，并且响应于输入地址增加数据的有效性。

公开(公告)号：US07567054B2

公开(公告)日：2009-07-28

申请号：US11307962

申请日：2006-03-01

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

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

IPC: H02P27/04

CPC classification number: G11B19/24 ,  H02P6/08

Abstract: 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.

Abstract translation: 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：US20070280062A1

公开(公告)日：2007-12-06

申请号：US11758102

申请日：2007-06-05

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

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

IPC: G11B7/00

CPC classification number: G11B20/10009 ,  G11B20/10027 ,  G11B20/10037 ,  G11B20/10046

Abstract: An apparatus and method of generating a zero crossing signal for an optical disc drive to reduce width deviation due to sampling effect, thereby improving servo control and detection. An embodiment of the apparatus comprises a reshaping device receiving a first digital servo signal of the optical disc drive to upsample the first digital servo signal data, thereby generating a second digital servo signal with higher resolution than the first digital servo signal; and a servo control-and-detection device receiving and slicing the second digital servo signal to generate a servo zero crossing signal.

Abstract translation: 一种用于产生用于光盘驱动器的过零信号以减少由于采样效应引起的宽度偏差的装置和方法，从而改善伺服控制和检测。 该装置的一个实施例包括重新成形装置，接收光盘驱动器的第一数字伺服信号以对第一数字伺服信号数据进行上采样，从而产生具有比第一数字伺服信号更高分辨率的第二数字伺服信号; 以及伺服控制和检测装置，接收和分割第二数字伺服信号以产生伺服过零信号。

公开(公告)号：US20070280061A1

公开(公告)日：2007-12-06

申请号：US11758019

申请日：2007-06-05

Applicant: Kuo-Jung Lan ,  Chun-Yu Lin ,  Yu-Hsuan Lin ,  Ming-Jiou Yu ,  Chih-Ching Chen ,  Chia-Wei Liao ,  Shu-Hung Chou

Inventor： Kuo-Jung Lan ,  Chun-Yu Lin ,  Yu-Hsuan Lin ,  Ming-Jiou Yu ,  Chih-Ching Chen ,  Chia-Wei Liao ,  Shu-Hung Chou

IPC: G11B7/00

CPC classification number: G11B20/10027 ,  G11B20/10046 ,  G11B20/10203 ,  G11B20/10222 ,  G11B2220/2575

Abstract: An apparatus of processing an input signal generated according to accessing of an optical storage medium is disclosed. The apparatus has a detecting circuit and a decision logic. The detecting circuit is coupled to the input signal for detecting a target peak value and a target bottom value of the input signal within a time period, wherein the time period is not less than a period of a reference signal generated according to accessing of the optical storage medium. The decision logic is coupled to the detecting circuit for determining a reference level according to the target peak value and the target bottom value.

Abstract translation: 公开了一种处理根据光存储介质的存取产生的输入信号的装置。 该装置具有检测电路和判定逻辑。 检测电路耦合到输入信号，用于在一段时间内检测输入信号的目标峰值和目标底值，其中时间周期不小于根据光学访问产生的参考信号的周期 存储介质。 决定逻辑耦合到检测电路，用于根据目标峰值和目标底值确定参考电平。

公开(公告)号：US20070280060A1

公开(公告)日：2007-12-06

申请号：US11752447

申请日：2007-05-23

Applicant: Hung-Chieh Tsai ,  Yu-Hsuan Lin ,  Hsiang-Ji Hsieh

Inventor： Hung-Chieh Tsai ,  Yu-Hsuan Lin ,  Hsiang-Ji Hsieh

IPC: G11B7/00

CPC classification number: G11B7/0956 ,  G11B7/00736

Abstract: The invention provides a servo calibration mark detection circuit for use in an optical disk drive. In one embodiment, the servo calibration mark detection circuit comprises a summing processor, a slicing level generator, and a comparator. The summing processor sums an intensity of a light beam reflected from both an inner groove and an outer groove to obtain a first signal. The slicing level generator generates a slicing level. The comparator then compares the first signal with the slicing level to obtain a second signal, wherein the second signal indicates a first location of a first servo calibration mark recorded on the inner groove and a second location of a second servo calibration mark recorded on the outer groove.

Abstract translation: 本发明提供一种用于光盘驱动器的伺服校准标记检测电路。 在一个实施例中，伺服校准标记检测电路包括求和处理器，限幅电平发生器和比较器。 求和处理器将从内槽和外槽两者反射的光束的强度相加以获得第一信号。 切片电平发生器产生切片电平。 比较器然后将第一信号与限幅电平进行比较以获得第二信号，其中第二信号指示记录在内槽上的第一伺服校准标记的第一位置和记录在外槽上的第二伺服校准标记的第二位置 槽。

公开(公告)号：US20070205737A1

公开(公告)日：2007-09-06

申请号：US11307962

申请日：2006-03-01

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

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

IPC: G05B19/10

CPC classification number: G11B19/24 ,  H02P6/08

Abstract: 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.

Abstract translation: 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：US20070140082A1

公开(公告)日：2007-06-21

申请号：US11554474

申请日：2006-10-30

Applicant: Yu-hsuan Lin ,  Jin-bin Yang ,  Ching-ning Chiu

Inventor： Yu-hsuan Lin ,  Jin-bin Yang ,  Ching-ning Chiu

IPC: G11B20/00

CPC classification number: G11B20/1217 ,  G11B2020/10944 ,  G11B2020/1221 ,  G11B2020/1267 ,  G11B2020/1277 ,  G11B2020/1287 ,  G11B2020/1295 ,  G11B2220/2537 ,  G11B2220/2541 ,  G11B2220/2579

Abstract: Disclosed is a data search system for searching the data sync pattern by using a physical address or by detecting the falling edge of the blank area end. The data search system comprises a first data start indicator, a second data start indicator, a decision circuit, a window generator and a data sync pattern search circuit. The first data start indicator generates a first start search signal indicating a first start position. The second data start indicator generates a second start search signal indicating a second start position. The decision circuit selects to output one of the start search signals. The window generator generates a window interval starting from the start position. The data sync pattern search circuit searches a data sync pattern of the data in the window interval to determine the data following the data sync pattern.

Abstract translation: 公开了一种用于通过使用物理地址或通过检测空白区域结束的下降沿来搜索数据同步模式的数据搜索系统。 数据搜索系统包括第一数据开始指示符，第二数据开始指示符，判定电路，窗口生成器和数据同步模式搜索电路。 第一数据开始指示器产生指示第一开始位置的第一开始搜索信号。 第二数据开始指示器产生指示第二开始位置的第二开始搜索信号。 决定电路选择输出开始搜索信号之一。 窗口生成器从起始位置生成窗口间隔。 数据同步模式搜索电路在窗口间隔中搜索数据的数据同步模式，以确定数据同步模式之后的数据。