公开(公告)号：US07471607B2

公开(公告)日：2008-12-30

申请号：US10896032

申请日：2004-07-22

Applicant: Jan-Tang Wu ,  Wei-Chung Wu

Inventor： Jan-Tang Wu ,  Wei-Chung Wu

IPC: G11B20/10

CPC classification number: G11B20/10009 ,  G11B2220/2562

Abstract: The present invention discloses a mixed mode circuit for data slice with auto calibration and method thereof, which comprises a data slicer for converting an analog signal into a digital signal; a set of current pump for supplying a variable power supply; a microprocessor for controlling and adjusting the set of current pump; a digital sum value counter for performing an addition or a subtraction operation according to the result outputted by the data slicer; a digital signal processor for reading the internal values of the digital sum value counter and calculating the average of these internal values to obtain a parameter value. With the aforementioned structure, the invention integrates the mixed mode data slicer of analog and digital circuits so as to adopt the merits and eliminate the drawbacks of the pure analog and digital data slicer and thus achieves the objective of reading data from an optical disk better and more accurately.

Abstract translation: 本发明公开了一种用于具有自动校准的数据片的混合模式电路及其方法，其包括用于将模拟信号转换为数字信号的数据限幅器; 一组用于供应可变电源的电流泵; 用于控制和调整电流泵组的微处理器; 数字和值计数器，用于根据由数据限幅器输出的结果进行加法或减法运算; 数字信号处理器，用于读取数字和值计数器的内部值，并计算这些内部值的平均值以获得参数值。 利用上述结构，本发明集成了模拟和数字电路的混合模式数据限幅器，以便采用优点并消除纯模拟和数字数据限幅器的缺点，从而实现了更好地从光盘读取数据的目的， 更精确地。

公开(公告)号：US07453775B2

公开(公告)日：2008-11-18

申请号：US10907997

申请日：2005-04-25

Applicant: Chia-Wei Liang ,  Hsueh-Wu Kao

Inventor： Chia-Wei Liang ,  Hsueh-Wu Kao

IPC: G11B15/52

CPC classification number: G11B7/0053

Abstract: A method for dynamically adjusting a header region RF gain of a variable gain amplifier while accessing header regions of a DVD-RAM disc, and apparatus thereof. The method includes the following steps: irradiating a light spot on the DVD-RAM disc with a pickup head; detecting a 4T peak-to-peak level of a RF signal generated by the variable gain amplifier while the light spot is moving within a VFO1 column of a header region of the DVD-RAM disc; comparing the 4T peak-to-peak level with a target level; adjusting a header region RF gain of the variable gain amplifier according to a result of the comparing step.

Abstract translation: 一种用于在访问DVD-RAM盘的头部区域时动态地调整可变增益放大器的头部区域RF增益的方法及其装置。 该方法包括以下步骤：用拾取头照射DVD-RAM盘上的光斑; 当所述光点在所述DVD-RAM盘的标题区域的VFO 1列内移动时，检测由所述可变增益放大器产生的RF信号的4T峰 - 峰电平; 将4T峰峰值与目标水平进行比较; 根据比较步骤的结果调整可变增益放大器的头部区域RF增益。

公开(公告)号：US07436914B2

公开(公告)日：2008-10-14

申请号：US11160803

申请日：2005-07-11

Applicant: Che-Li Lin

Inventor： Che-Li Lin

IPC: H04L1/02 ,  H04L27/00 ,  H04L27/08 ,  H03K9/00

CPC classification number: H04N5/4401 ,  H04B7/0817 ,  H04B7/0825 ,  H04B7/0837 ,  H04N5/45 ,  H04N17/04 ,  H04N21/4263 ,  H04N21/4316 ,  H04N21/4382 ,  H04N21/44209

Abstract: A method for providing television signals is disclosed including the steps of: receiving signals utilizing a first antenna and a second antenna; generating a first signal quality indicator corresponding to signals from the first antenna; generating a second signal quality indicator corresponding to signals from the second antenna; and selectively producing only a main picture signal or the main picture signal together with a sub picture signal utilizing the signals from the first and second antennas according to the first and second signal quality indicators.

Abstract translation: 公开了一种用于提供电视信号的方法，包括以下步骤：利用第一天线和第二天线接收信号; 产生对应于来自第一天线的信号的第一信号质量指示符; 产生对应于来自第二天线的信号的第二信号质量指示符; 并且根据第一和第二信号质量指示符，利用来自第一和第二天线的信号，与副图像信号一起选择性地产生主图像信号或主图像信号。

公开(公告)号：US07433283B2

公开(公告)日：2008-10-07

申请号：US10971012

申请日：2004-10-25

Applicant: Jan-Tang Wu ,  Wei-Chung Wu

Inventor： Jan-Tang Wu ,  Wei-Chung Wu

IPC: G11B7/00

CPC classification number: G11B19/28

Abstract: A hybrid switching method of spindle motor of optical disc drive analyze a disc position status for write/read in said optical disc drive, according said optical disc drive speed to detect a switch mode, and determine said optical disc drive of write/read mode to got a switch point.

Abstract translation: 光盘驱动器的主轴电机的混合切换方法根据所述光盘驱动速度分析用于在所述光盘驱动器中进行写/读的光盘位置状态，以检测切换模式，并将所述光盘驱动器的写/读模式确定为 得到切换点。

公开(公告)号：US07394747B2

公开(公告)日：2008-07-01

申请号：US10904287

申请日：2004-11-02

Applicant: Chih-Chin Hsu ,  Chih-Yuan Chen ,  Ying-Che Hung

Inventor： Chih-Chin Hsu ,  Chih-Yuan Chen ,  Ying-Che Hung

IPC: G11B7/00

CPC classification number: G11B20/10 ,  G11B20/00086 ,  G11B20/0021 ,  G11B20/10425 ,  G11B2020/1461 ,  G11B2220/2537

Abstract: An optical storage system includes an optical pickup unit movable across an optical medium. The optical pickup unit has a light detector, a laser diode, and a laser driver signal processor circuit. The laser driver signal processor circuit includes a detected signal processing block for outputting read signals corresponding to light received at the light detector, and a read signal processing block for processing the read signals and generating control signals or synthesis signals according to the read signals. A control unit is coupled to the optical pickup unit for controlling the optical pickup unit and decoding data recovered from the optical medium.

Abstract translation: 光学存储系统包括可跨越光学介质移动的光学拾取单元。 光学拾取单元具有光检测器，激光二极管和激光驱动器信号处理器电路。 激光驱动器信号处理电路包括检测信号处理块，用于输出对应于在光检测器处接收的光的读取信号，以及读取信号处理块，用于根据读取的信号处理读取的信号并产生控制信号或合成信号。 控制单元耦合到光学拾取单元，用于控制光学拾取单元并解码从光学介质中恢复的数据。

公开(公告)号：US07321765B2

公开(公告)日：2008-01-22

申请号：US10904747

申请日：2004-11-25

Applicant: Chun-Hsiung Lin ,  Sung-Yao Lin

Inventor： Chun-Hsiung Lin ,  Sung-Yao Lin

IPC: H04Q7/20

CPC classification number: H04W48/16

Abstract: A timing method used by a mobile station in a wireless communication system. The timing method contains generating at least a buffering area in the mobile station; receiving a first action executed by a lower layer of the mobile station; after the mobile station receives the first action, updating a value stored in the buffering area; and if the value stored in the buffering area reaches a predetermined value, the mobile station performs a second action.

Abstract translation: 移动台在无线通信系统中使用的定时方法。 定时方法包括在移动台中产生至少一缓冲区; 接收由移动台的下层执行的第一动作; 在移动台接收到第一动作之后，更新存储在缓冲区域中的值; 并且如果存储在缓冲区域中的值达到预定值，则移动台执行第二动作。

公开(公告)号：US07285712B2

公开(公告)日：2007-10-23

申请号：US11109421

申请日：2005-04-19

Applicant: Yu-Cheng Hsieh ,  Ti-Wen Yuan

Inventor： Yu-Cheng Hsieh ,  Ti-Wen Yuan

IPC: G10H1/00 ,  G10H7/00

CPC classification number: G10H1/183 ,  G10H2230/021

Abstract: A method of dynamically determining a maximum polyphony number is used in an electronic device, which has S tone generators. First, an operation mode of the electronic device is detected. Next, a residual computing power of the electronic device is obtained according to the operation mode. Then, a maximum polyphony number is determined according to a constant computing power, which is required to synthesize a polyphony, and the residual computing power. Next, the states of T tone generators of the S tone generators are set to be an ON state according to the maximum polyphony number, wherein T is a positive integer and is smaller than or equal to S.

Abstract translation: 在具有S音发生器的电子设备中使用动态地确定最大复音数的方法。 首先，检测电子设备的操作模式。 接下来，根据操作模式获得电子设备的剩余计算能力。 然后，根据合成复音所需的恒定计算能力和剩余计算能力来确定最大复音数。 接下来，根据最大复音数将S音发生器的T音发生器的状态设置为ON状态，其中T是正整数并且小于或等于S.

公开(公告)号：US20070165750A1

公开(公告)日：2007-07-19

申请号：US11652500

申请日：2007-01-12

Applicant: Pi-Hau Liu ,  Meng-Ta Yang

Inventor： Pi-Hau Liu ,  Meng-Ta Yang

IPC: H03D1/00

CPC classification number: H04L1/0054 ,  G11B20/10009

Abstract: An apparatus for maximum likelihood signal detection comprises a reference data unit, a branch metric unit, an add-compare-select unit, a path metric unit and a path memory, and is used for detecting maximum likelihood signal. The reference information unit, the branch metric unit, the add-compare-select unit or the path metric unit can further comprise a multiplexer to removing unnecessary paths according to a control signal. The control signal is adjusted according to channel response, coding constraint or channel memory length.

Abstract translation: 用于最大似然信号检测的装置包括参考数据单元，分支度量单元，加法比较选择单元，路径度量单元和路径存储器，并且用于检测最大似然信号。 参考信息单元，分支度量单元，加法比较选择单元或路径度量单元还可以包括根据控制信号去除不必要路径的多路复用器。 控制信号根据通道响应，编码约束或通道存储器长度进行调整。

公开(公告)号：US20070153093A1

公开(公告)日：2007-07-05

申请号：US11322499

申请日：2005-12-30

Applicant: Yen-Yu Lin ,  Tien-Yu Chang

Inventor： Yen-Yu Lin ,  Tien-Yu Chang

IPC: H04N5/228

CPC classification number: H04N5/2628 ,  H04N5/23296

Abstract: An apparatus for image capturing includes a sensing device, an image processing unit, an image scaling unit, and a memory device. The sensing device is for capturing an image, and the image processing unit is for processing the image. The memory device is for storing the portion of the image, and the image scaling unit is for scaling the portion of the image. After the image processing unit processes the image, only the portion of the image is stored in the memory device to be transmitted to the image scaling unit for image scaling.

Abstract translation: 一种用于图像捕获的装置包括感测装置，图像处理单元，图像缩放单元和存储装置。 感测装置用于拍摄图像，图像处理单元用于处理图像。 存储装置用于存储图像的一部分，图像缩放单元用于缩放图像的一部分。 在图像处理单元处理图像之后，仅将图像的一部分存储在存储器件中以被发送到用于图像缩放的图像缩放单元。

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。