公开(公告)号：US08638445B2

公开(公告)日：2014-01-28

申请号：US13163862

申请日：2011-06-20

Applicant: Yu-Hsuan Lin ,  Shih-Yao Pan ,  Hsin-Yueh Sung ,  Alvin Chang ,  Hung-Ta Chien

Inventor： Yu-Hsuan Lin ,  Shih-Yao Pan ,  Hsin-Yueh Sung ,  Alvin Chang ,  Hung-Ta Chien

IPC: G01B11/02

CPC classification number: G01B11/24 ,  G01B11/2441

Abstract: An imaging apparatus includes a light source; a first beam splitter for reflecting a projection beam emitted by the light source; an objective lens unit including a reflection reference surface for reproducing the projection beam into a measurement beam projected onto an object to generate a first reflection beam and a reference beam projected onto the reflection reference surface to generate a second reflection beam mixing with the first reflection beam and passing through the first splitter and forming an operating beam; a second beam splitter for modulating the operating beam into first and second sub-beams; a monochrome image detection device for passage of the first sub-beam to obtain an interferometric image with monochrome from a first interference region; and an image detection device for permitting passage of the second sub-beam in order to obtain a non-interferometric image from a second interference region.

Abstract translation: 一种成像装置，包括光源; 用于反射由光源发射的投影光束的第一分束器; 物镜单元，包括用于将投影光束再现成投射到物体上的测量光束以产生第一反射光束的反射参考表面和投影到反射参考表面上的参考光束，以产生与第一反射光束混合的第二反射光束 并穿过第一分流器并形成操作梁; 第二分束器，用于将操作光束调制成第一和第二子光束; 用于通过第一子光束以从第一干涉区域获得具有单色的干涉图像的单色图像检测装置; 以及用于允许第二子光束通过以从第二干涉区域获得非干涉图像的图像检测装置。

公开(公告)号：US08270266B2

公开(公告)日：2012-09-18

申请号：US12357409

申请日：2009-01-22

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

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

IPC: G11B7/00

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

Abstract: 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.

Abstract translation: 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：US20110261668A1

公开(公告)日：2011-10-27

申请号：US12764254

申请日：2010-04-21

Applicant: Chih-Ching YU ,  Yu-Hsuan LIN

Inventor： Chih-Ching YU ,  Yu-Hsuan LIN

IPC: G11B20/10

CPC classification number: H03M13/3738 ,  G11B20/10009 ,  G11B20/10018 ,  G11B20/10351 ,  G11B20/1037 ,  G11B2220/2537 ,  H03M13/41 ,  H03M13/6331 ,  H03M13/6343

Abstract: An apparatus for improving decoding accuracy of an equalized signal having a direct current (DC) level obtained from an optical disk is provided. A Viterbi decoder is configured to decode the equalized signal and output a Viterbi-decoded signal. A DC controller is configured to adjust the DC level of the equalized signal such that the equalized signal with the adjusted DC level is decoded.

Abstract translation: 提供一种用于提高从光盘获得的具有直流（DC）电平的均衡信号的解码精度的装置。 维特比解码器被配置为对均衡信号进行解码并输出维特比解码信号。 DC控制器被配置为调整均衡信号的DC电平，使得具有经调整的DC电平的均衡信号被解码。

公开(公告)号：US07948409B2

公开(公告)日：2011-05-24

申请号：US12603762

申请日：2009-10-22

Applicant: Gwo-Huei Wu ,  Kuo-Jung Lan ,  Yu-Hsuan Lin ,  You-Wen Chang

Inventor： Gwo-Huei Wu ,  Kuo-Jung Lan ,  Yu-Hsuan Lin ,  You-Wen Chang

IPC: H03M1/10

CPC classification number: G11B7/0941 ,  G11B7/0062 ,  G11B7/0903 ,  G11B7/0912 ,  G11B7/1263 ,  H03M1/1225 ,  H03M1/129

Abstract: A method for calibrating an initial driving signal for driving an optical pick-up head of an optical disk drive is provided. On one embodiment, said optical disk drive is utilized for reading or writing data on an optical disk, the optical disk comprises a plurality of auto power control areas (APC areas) and a plurality of data areas, and the APC areas and the data areas are interleaved in between. First, in the APC areas, an initial driving signal is used to drive the optical pick-up head to emit laserbeam. A detected level of the laserbeam is then obtained. An update initial driving signal is then calibrated according to the detected level and a target level.

Abstract translation: 提供了用于校准用于驱动光盘驱动器的光学拾取头的初始驱动信号的方法。 在一个实施例中，所述光盘驱动器用于在光盘上读取或写入数据，该光盘包括多个自动功率控制区域（APC区域）和多个数据区域，以及APC区域和数据区域 在它们之间交错。 首先，在APC区域中，使用初始驱动信号来驱动光学拾取头发射激光束。 然后获得激光束的检测水平。 然后根据检测到的电平和目标电平校准更新初始驱动信号。

公开(公告)号：US07724090B2

公开(公告)日：2010-05-25

申请号：US11757421

申请日：2007-06-04

Applicant: Yu-Hsuan Lin ,  Yuh Cheng

Inventor： Yu-Hsuan Lin ,  Yuh Cheng

IPC: H03G3/30

CPC classification number: H03G3/3036 ,  G11B20/10009 ,  G11B20/10027 ,  G11B20/10037 ,  G11B20/10046 ,  G11B20/10314 ,  G11B27/22

Abstract: An electrical device and a loop control method are provided. A data signal is obtained from a front end. A variable gain amplifier amplifies the data signal based on a gain value. An analog to digital converter samples the amplified data signal output therefrom to generate a digital data signal. A peak bottom detector detects a peak level and a bottom level of the digital data signal. A threshold controller compares the peak and bottom levels with a threshold value, and generates a first control signal accordingly. An auto gain controller updates the gain value based on the peak and bottom levels with a first step size. The first step size is determined by the first control signal.

Abstract translation: 提供电气装置和环路控制方法。 从前端获得数据信号。 可变增益放大器基于增益值放大数据信号。 模数转换器对从其输出的放大数据信号进行采样以产生数字数据信号。 峰值检测器检测数字数据信号的峰值电平和底部电平。 阈值控制器将峰值和底部电平与阈值进行比较，并相应地产生第一控制信号。 自动增益控制器根据具有第一步长的峰值和最低电平来更新增益值。 第一步尺寸由第一控制信号确定。

公开(公告)号：US07684291B2

公开(公告)日：2010-03-23

申请号：US11559416

申请日：2006-11-14

Applicant: Yu-Hsuan Lin ,  Yuh Cheng ,  Chih-Ching Chen

Inventor： Yu-Hsuan Lin ,  Yuh Cheng ,  Chih-Ching Chen

IPC: G11B7/00

CPC classification number: G11B20/10009 ,  G11B20/10027 ,  G11B20/10037 ,  G11B20/10046 ,  G11B27/22 ,  G11B2220/2537 ,  H03G3/3084

Abstract: 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.

Abstract translation: 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

Applicant: Yu-Hsuan Lin ,  Chih-Ching Chen

Inventor： Yu-Hsuan Lin ,  Chih-Ching Chen

IPC: G11B20/00

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：US20080259747A1

公开(公告)日：2008-10-23

申请号：US11736559

申请日：2007-04-17

Applicant: Yu-Hsuan Lin ,  Ching-Ning Chiu

Inventor： Yu-Hsuan Lin ,  Ching-Ning Chiu

IPC: G11B21/08

CPC classification number: G11B19/04 ,  G11B7/00375 ,  G11B7/08505 ,  G11B19/12

Abstract: Disclosed are detecting apparatus for detecting statuses of an optical disc and methods thereof, which can avoid or reduce erroneous status decisions at the edge of a blank region. The detecting apparatus includes a blank detector, for detecting a blank region of the optical disc to generate a blank detection signal; an edge detector, for detecting a transition of the blank detection signal to generate an edge detection signal; a control circuit, in response to the edge detection signal for outputting control signals; and a defect detector in response to the control signals for detecting defect region of the optical disc to generate a defect decision signal.

Abstract translation: 公开了用于检测光盘的状态的检测装置及其方法，其可以避免或减少在空白区域的边缘处的错误状态判定。 检测装置包括用于检测光盘的空白区域以产生空白检测信号的空白检测器; 边缘检测器，用于检测空白检测信号的转变以产生边缘检测信号; 控制电路，响应于用于输出控制信号的边缘检测信号; 以及响应于用于检测光盘的缺陷区域的控制信号产生缺陷判定信号的缺陷检测器。

公开(公告)号：US20070291622A1

公开(公告)日：2007-12-20

申请号：US11758094

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: G11B7/0943 ,  G11B7/0903 ,  G11B7/0909 ,  G11B7/1263

Abstract: A high pass filtering device for an optical disc drive comprises a first low pass filter (LPF) of a first sampling rate, filtering a digital input signal; a down-sampler receiving a first filtered signal form the first LPF to down-sample the first filtered signal by an integer factor N; a second LPF of a second sampling rate, filtering a first down-sampled signal from the down-sampler, wherein the second LPF has a corner frequency corresponding to a desired frequency of the high pass filtering device, and the second sampling rate is equal to 1/N times the first sampling rate; an up-sampler receiving a second filtered signal from the second LPF to up-sample the second filtered signal by the factor N; and a subtractor subtracting an up-sampled signal output by the up-sampler from the digital input signal when the filter frequency is below a threshold frequency.

Abstract translation: 用于光盘驱动器的高通滤波装置包括第一采样率的第一低通滤波器（LPF），对数字输入信号进行滤波; 下采样器从第一LPF接收第一滤波信号，以对第一滤波信号进行下采样整数因子N; 第二采样率的第二LPF，滤波来自下采样器的第一下采样信号，其中第二LPF具有对应于高通滤波器件的期望频率的转角频率，第二采样率等于 1 / N次第一次采样率; 上采样器接收来自第二LPF的第二滤波信号，以将第二滤波信号向上采样因子N; 以及当滤波器频率低于阈值频率时，减法器从数字输入信号中减去上采样器输出的上采样信号。

公开(公告)号：US20070291613A1

公开(公告)日：2007-12-20

申请号：US11758017

申请日：2007-06-05

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

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

IPC: G11B7/00

CPC classification number: G11B20/10 ,  G11B7/0903 ,  G11B7/0909 ,  G11B7/0943 ,  G11B7/1263 ,  G11B20/10009 ,  G11B2220/2537

Abstract: A signal processing apparatus includes sample and hold units for holding a plurality of analog photo diode signals. A signal holding controller generates control signals to the sample and hold units for holding the analog photo diode signals. Analog adjusting modules adjust the held analog photo diode signals. A multiplexer selectively couples one input end of the multiplexer to the output end of the multiplexer for outputting the adjusted analog photo diode signals. An analog to digital converter converts the adjusted analog photo diode signals into digital photo diode signals.

Abstract translation: 信号处理装置包括用于保持多个模拟光电二极管信号的采样和保持单元。 信号保持控制器产生用于保持模拟光电二极管信号的采样和保持单元的控制信号。 模拟调整模块调节保持的模拟光电二极管信号。 复用器选择性地将多路复用器的输入端耦合到多路复用器的输出端，以输出经调整的模拟光电二极管信号。 模数转换器将调整后的模拟光电二极管信号转换为数字光电二极管信号。