公开(公告)号：US08077569B2

公开(公告)日：2011-12-13

申请号：US12364496

申请日：2009-02-02

Applicant: Yu-Hsuan Lin ,  Chih-Ching Chen

Inventor： Yu-Hsuan Lin ,  Chih-Ching Chen

IPC: G11B17/00

CPC classification number: G11B7/08505

Abstract: 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.

Abstract translation: 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。

公开(公告)号：US20110044145A1

公开(公告)日：2011-02-24

申请号：US12542911

申请日：2009-08-18

Applicant: Yu-Hsuan Lin ,  Tzu-Chieh Lin ,  Yuh Cheng ,  Tysh-Bin Liu

Inventor： Yu-Hsuan Lin ,  Tzu-Chieh Lin ,  Yuh Cheng ,  Tysh-Bin Liu

IPC: G11B7/00

CPC classification number: G11B7/0053 ,  G11B20/10009 ,  G11B20/10037 ,  G11B20/10305 ,  G11B2220/2537 ,  H03M1/002 ,  H03M1/007 ,  H03M1/365

Abstract: The invention provides an electronic apparatus. In one embodiment, the electronic apparatus comprises an analog-to-digital converter (ADC) and an enable device. The analog-to-digital converter converts an analog input signal to a digital output signal with a resolution having a plurality of bits. The enable device dynamically adjusts the resolution of the analog-to-digital converter according to an instruction signal.

Abstract translation: 本发明提供一种电子设备。 在一个实施例中，电子设备包括模数转换器（ADC）和使能装置。 模数转换器将模拟输入信号转换为具有多个位的分辨率的数字输出信号。 使能装置根据指令信号动态地调整模数转换器的分辨率。

公开(公告)号：US07796480B2

公开(公告)日：2010-09-14

申请号：US11757426

申请日：2007-06-04

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

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

IPC: G11B7/00

CPC classification number: G11B7/094 ,  G11B7/0941 ,  G11B7/0956 ,  G11B20/10009 ,  G11B2020/1287

Abstract: An apparatus for light spot servo signal detection for reading an optical recording medium having a plurality of non-writable areas between writable data areas containing address information. An optical pickup provides a light spot to the non-writable areas of the optical recording medium with a predetermined state according to a control signal, and detects optical reflecting signals from the optical recording medium to generate a detection signal. A signal adjusting module offsets signal levels of the detection signal to an operating range to generate an offset shifted detection signal. An analog to digital converter digitizes the offset shifted detection signal to generate a digital signal. A detection circuit detects the servo detection signal according to the digital signal.

Abstract translation: 一种光点伺服信号检测装置，用于读取在包含地址信息的可写数据区之间具有多个不可写区域的光记录介质。 光拾取器根据控制信号以预定状态向光记录介质的不可写区域提供光点，并且检测来自光记录介质的光反射信号以产生检测信号。 信号调整模块将检测信号的信号电平偏移到工作范围以产生偏移移位的检测信号。 模数转换器对偏移检测信号进行数字化以产生数字信号。 检测电路根据数字信号检测伺服检测信号。

公开(公告)号：US20100225929A1

公开(公告)日：2010-09-09

申请号：US12469677

申请日：2009-05-20

Applicant: Lun-Wu Yeh ,  Che-Yen Lu ,  Yueh-Feng Lee ,  Yu-Hsuan Lin ,  Yu-Chee Tseng

Inventor： Lun-Wu Yeh ,  Che-Yen Lu ,  Yueh-Feng Lee ,  Yu-Hsuan Lin ,  Yu-Chee Tseng

IPC: G01B11/14

CPC classification number: G01S5/16

Abstract: A positioning method and a positioning system based on light intensity are provided. The positioning system comprises a lighting system, a sense feedback device and a positioning module. The lighting system comprises at least three point light sources and sequentially adjusts luminance of these point light sources to light up a target. The sense feedback device is disposed on the target and used to collect light intensity information of the light projected on the target by the lighting system. The positioning module calculates a distance between the target and each of the point light sources based on the light intensity information and calculates a positioning location of the target based on the locations of the point light sources and the distances between the target and the point light sources.

Abstract translation: 提供了一种基于光强度的定位方法和定位系统。 定位系统包括照明系统，感测反馈装置和定位模块。 照明系统包括至少三点光源并且顺序地调节这些点光源的亮度以点亮目标。 感测反馈装置设置在目标上并且用于收集由照明系统投射在目标上的光的光强度信息。 定位模块基于光强度信息计算目标和每个点光源之间的距离，并且基于点光源的位置和目标点与点光源之间的距离来计算目标的定位位置 。

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：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。