公开(公告)号：US07991030B2

公开(公告)日：2011-08-02

申请号：US12195414

申请日：2008-08-21

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

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

IPC: H01S3/00

CPC classification number: G11B7/126

Abstract: 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.

Abstract translation: 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：US20110075530A1

公开(公告)日：2011-03-31

申请号：US12602103

申请日：2009-11-23

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

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

IPC: G11B19/02

CPC classification number: G11B7/126 ,  G11B7/00456

Abstract: 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.

Abstract translation: 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：US07903006B2

公开(公告)日：2011-03-08

申请号：US12273601

申请日：2008-11-19

Applicant: Bing-Yu Hsieh ,  Ming-Jiou Yu ,  Kuo-Jung Lan ,  Shu-Hung Chou ,  Chih-Ching Chen ,  Chia-Wei Liao

Inventor： Bing-Yu Hsieh ,  Ming-Jiou Yu ,  Kuo-Jung Lan ,  Shu-Hung Chou ,  Chih-Ching Chen ,  Chia-Wei Liao

IPC: H03M1/00

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

Abstract: An automatic power control system, a down sampling circuit and a down sampling method. The automatic power control system is incorporated in an optical disc drive comprising a laser diode for receiving a control signal to generate a laser beam; and a photodetector for detecting the laser beam to generate an analog input signal. The automatic power control system comprises an analog-to-digital converter, a down sampling circuit, a comparator, and a digital-to-analog converter. The analog-to-digital converter converts the analog input signal to digital data. The down sampling circuit, coupled to the analog-to-digital converter, comprises a down sampler, a counter, and a controller. The down sampler receives a predetermined amount of digital data to generate representation data. The counter, coupled to the down sampler, calculates the amount of digital data, and resets the down sampler when the amount equals or exceeds the predetermined count. The controller, coupled to the counter, disables the counter when the digital data is invalid. The comparator, coupled to the down sampling circuit, compares the representation data with predetermined target data to generate error data. The digital-to-analog converter, coupled to the comparator, converts the error data to analog to generate the control signal.

Abstract translation: 自动功率控制系统，下采样电路和下采样方法。 自动功率控制系统结合在包括用于接收控制信号以产生激光束的激光二极管的光盘驱动器中; 以及用于检测激光束以产生模拟输入信号的光电检测器。 自动功率控制系统包括模数转换器，下采样电路，比较器和数 - 模转换器。 模数转换器将模拟输入信号转换为数字数据。 耦合到模数转换器的下采样电路包括下采样器，计数器和控制器。 下采样器接收预定量的数字数据以产生表示数据。 耦合到下采样器的计数器计算数字数据量，并且当量等于或超过预定计数时重置下采样器。 耦合到计数器的控制器在数字数据无效时禁用计数器。 耦合到下采样电路的比较器将表示数据与预定目标数据进行比较以产生误差数据。 耦合到比较器的数模转换器将误差数据转换成模拟以产生控制信号。

公开(公告)号：US07706238B2

公开(公告)日：2010-04-27

申请号：US11758018

申请日：2007-06-05

Applicant: Ming-Jiou Yu ,  Chun-Yu Lin ,  Kuo-Jung Lan ,  Kuan-Hua Chao ,  Chia-Wei Liao ,  Chih-Ching Chen ,  Shu-Hung Chou ,  Jong-Woei Chen

Inventor： Ming-Jiou Yu ,  Chun-Yu Lin ,  Kuo-Jung Lan ,  Kuan-Hua Chao ,  Chia-Wei Liao ,  Chih-Ching Chen ,  Shu-Hung Chou ,  Jong-Woei Chen

IPC: G11B7/00

CPC classification number: G11B7/1263 ,  G11B7/08505 ,  G11B7/0903

Abstract: A laser power control system and related method for reducing a settling time in a target laser power transition are disclosed. The laser power control system includes a state decision circuit, for generating a state decision signal according to a selected operational state of a target circuit; a plurality of buffers, for storing a plurality of control data corresponding to a plurality of candidate operational states of the target circuit respectively; and a multiplexer, coupled between the state decision circuit and the buffers, for coupling a selected buffer of the buffers and the target circuit according to the state decision signal for outputting a control datum stored in the selected buffer to the target circuit.

Abstract translation: 公开了一种用于减少目标激光功率转换中的建立时间的激光功率控制系统和相关方法。 激光功率控制系统包括状态判定电路，用于根据所选择的目标电路的操作状态产生状态判定信号; 多个缓冲器，用于分别存储对应于所述目标电路的多个候选操作状态的多个控制数据; 以及耦合在所述状态判定电路和所述缓冲器之间的多路复用器，用于根据用于将所选择的缓冲器中存储的控制数据输出到所述目标电路的所述状态判定信号来耦合所述缓冲器的选定缓冲器和所述目标电路。

公开(公告)号：US20090141759A1

公开(公告)日：2009-06-04

申请号：US12195414

申请日：2008-08-21

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

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

IPC: H01S3/00

CPC classification number: G11B7/126

Abstract: 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.

Abstract translation: 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：US20070284221A1

公开(公告)日：2007-12-13

申请号：US11723477

申请日：2007-03-20

Applicant: Chih-Ching Chen

Inventor： Chih-Ching Chen

IPC: B65G45/02

CPC classification number: B65G51/01 ,  B65G69/18 ,  B65G2201/0258 ,  B65G2207/26 ,  H02G3/123

Abstract: A material conveying system without dust rising, having a plurality of trays; a transmission mechanism, for carrying the trays and transmitting the trays in motion; and a controller, for controlling the transmission mechanism, is characterized in that the material conveying system without dust rising further has a tank, which carries a liquid, where the transmission mechanism is immersed so that the dust resulting from abrasion of the transmission mechanism cannot float in the air.

Abstract translation: 一种没有灰尘上升的物料输送系统，具有多个托盘; 传送机构，用于传送托盘并传送托盘运动; 以及用于控制传动机构的控制器的特征在于，没有灰尘的物料输送系统进一步具有一个容纳液体的罐，其中传动机构被浸没，使得由传动机构的磨损引起的灰尘不能浮起 在空中。

公开(公告)号：US20070226993A1

公开(公告)日：2007-10-04

申请号：US11730099

申请日：2007-03-29

Applicant: Liang-Jung Liu ,  Chih-Ching Chen

Inventor： Liang-Jung Liu ,  Chih-Ching Chen

IPC: H05K13/04

CPC classification number: H05K3/305 ,  H01L21/563 ,  H01L2224/73203 ,  H05K2201/09072 ,  H05K2201/10674 ,  H05K2201/10977 ,  Y02P70/613 ,  Y10T29/4913 ,  Y10T29/5313 ,  Y10T29/53174 ,  Y10T156/1062

Abstract: The present invention provides an apparatus for adhering electronic devices comprising an electronic device, an adhesive, and a circuit board. Because the conventional circuit board includes air bubbles, these air bubbles are heated to the expansion state so as to forming the illness structure with holes. The circuit board of the present invention has an improved structure to improve the speed of filling and forming shape of the adhesive disposed at the bottom of the electronic device, so that when the electronic device is placed on the circuit board with the edges thereof coated with the adhesive, it can be adhered on the circuit board quickly while it can render the air in the interlayer between the electronic device and the circuit board exhausted through the hole. In addition, the present invention provides a method for adhering electronic devices, in order for the electronic device to be adhered on the circuit board quickly.

Abstract translation: 本发明提供一种用于粘附电子装置的装置，包括电子装置，粘合剂和电路板。 由于传统的电路板包括气泡，所以这些气泡被加热到膨胀状态，从而形成具有孔的疾病结构。 本发明的电路板具有改进的结构，以提高设置在电子设备底部的粘合剂的填充和形成形状，使得当电子设备被放置在电路板上时，其边缘被涂覆 粘合剂，可以快速地粘附在电路板上，同时可以使电子设备和电路板之间的中间层中的空气通过孔排出。 此外，本发明提供了一种用于粘附电子设备的方法，以便电子设备快速地粘附在电路板上。

公开(公告)号：US07181838B2

公开(公告)日：2007-02-27

申请号：US10965888

申请日：2004-10-18

Applicant: Chih-Ching Chen ,  Yi-Jing Leu

Inventor： Chih-Ching Chen ,  Yi-Jing Leu

IPC: H05K3/02 ,  H05K3/10

CPC classification number: B41J2/17559 ,  B41J2/1753 ,  B41J2/17546 ,  H05K1/0266 ,  H05K1/0269 ,  H05K1/0393 ,  H05K3/28 ,  H05K2201/09936 ,  H05K2203/0514 ,  H05K2203/161 ,  Y10S29/016 ,  Y10S428/901 ,  Y10T29/49124 ,  Y10T29/49155 ,  Y10T29/49156 ,  Y10T428/24802 ,  Y10T428/24917 ,  Y10T428/31507 ,  Y10T428/31721 ,  Y10T428/31725 ,  Y10T428/31786

Abstract: A method of fabricating identifiable flexible printed circuit board (PCB) disposed to an inkjet cartridge includes, providing a flexible substrate having a first surface. A conductive layer is formed on the first surface. A printing ink layer is coated over the first surface. The printing ink layer is exposed and developed to uncover parts of the conductive layer and form at least one identifiable area on the printing ink layer.

Abstract translation: 设置在喷墨盒上的可识别柔性印刷电路板（PCB）的制造方法包括提供具有第一表面的柔性基板。 导电层形成在第一表面上。 印刷油墨层涂覆在第一表面上。 印刷油墨层被曝光和显影以露出导电层的部分并在印刷油墨层上形成至少一个可识别区域。

公开(公告)号：US07071966B2

公开(公告)日：2006-07-04

申请号：US10460790

申请日：2003-06-13

Applicant: Jih-Yung Lu ,  Chih-Po Yang ,  Chih-Ching Chen

Inventor： Jih-Yung Lu ,  Chih-Po Yang ,  Chih-Ching Chen

IPC: H04N5/225

CPC classification number: G03B43/00 ,  G02B7/02 ,  G02B13/001 ,  G02B27/62 ,  H04N5/2253 ,  H04N17/002

Abstract: A method for aligning a lens of a camera with a sensor of the camera. The method includes positioning a test object a predetermined distance away from the lens of the camera, photographing the test object with the camera to produce image data, and outputting the image data from the camera to a calibration device. The method also includes dividing the image data into a plurality of sections, calculating resolution data for at least two sections of the image data, calculating position parameters of the lens according to the resolution data, and correcting alignment of the lens with respect to the sensor according to the position parameters.

Abstract translation: 用于将相机的镜头与相机的传感器对准的方法。 该方法包括将距离照相机镜头预定距离的测试对象定位，用相机拍摄测试对象以产生图像数据，并将图像数据从相机输出到校准装置。 该方法还包括将图像数据划分为多个部分，计算图像数据的至少两个部分的分辨率数据，根据分辨率数据计算透镜的位置参数，以及校正透镜相对于传感器的对准 根据位置参数。

公开(公告)号：US07049874B2

公开(公告)日：2006-05-23

申请号：US10695747

申请日：2003-10-30

Applicant: Chih-Ching Chen ,  Jyh-Shin Pan ,  Ming-Yang Chao ,  Yi Kwang Hu

Inventor： Chih-Ching Chen ,  Jyh-Shin Pan ,  Ming-Yang Chao ,  Yi Kwang Hu

IPC: H03H11/26

CPC classification number: H04M3/02 ,  H04M2201/14

Abstract: A digital delaying device for delaying an input signal includes a ring oscillator, a calibration unit, and at least one delay number calculation unit and delay channel. The ring oscillator includes loop-connected delay cells for outputting an oscillation clock. The calibration unit receives a reference clock and the oscillation clock and calculates a pulse number of the oscillation clock corresponding to each reference clock period. The pulse number serves as a period reference pulse number. The calculation unit receives the pulse number and a signal delay value, calculates a signal delay number corresponding to the signal delay value according to the pulse number, and outputs a selection signal. The delay channel includes a multiplexer and cascaded delay cells, which receives an input signal and generates delay signals with different delay timings. The multiplexer selects and outputs one of the delay signals as an output signal according to the selection signal.

Abstract translation: 用于延迟输入信号的数字延迟装置包括环形振荡器，校准单元和至少一个延迟数计算单元和延迟信道。 环形振荡器包括用于输出振荡时钟的环路连接的延迟单元。 校准单元接收参考时钟和振荡时钟，并计算对应于每个参考时钟周期的振荡时钟的脉冲数。 脉冲数用作周期参考脉冲数。 计算单元接收脉冲数和信号延迟值，根据脉冲数计算与信号延迟值对应的信号延迟数，并输出选择信号。 延迟通道包括多路复用器和级联延迟单元，其接收输入信号并产生具有不同延迟定时的延迟信号。 多路复用器根据选择信号选择并输出一个延迟信号作为输出信号。