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1. 发明授权

US07995447B2 Method for controlling read power and open-loop read control device using the same 有权
标题翻译：用于控制读取功率的方法和使用其的开环读取控制装置
公开(公告)号：US07995447B2
公开(公告)日：2011-08-09
申请号：US12755037
申请日：2010-04-06
申请人： Yi-Lin Lai , Chin-Yin Tsai
发明人： Yi-Lin Lai , Chin-Yin Tsai
IPC分类号： G11B7/00
CPC分类号： G11B7/1263 , G11B7/1267
摘要： A method for controlling read power and an open-loop read control device using the same. The open-loop read control device is used in an optical disk writer and includes a memory, a DAC and an amplifier. The optical disk writer includes a pickup head device having a laser diode. When writing is disabled, the read power of the optical disk writer for reading the disk corresponds to a specific voltage. The memory stores a relationship curve and outputs a corresponding reference value corresponding to the specific voltage. The DAC converts the corresponding reference value into an analog corresponding reference value. The amplifier receives the analog corresponding reference value and outputs a read power control voltage, which controls the laser diode to generate a substantially constant read power in the write process.
摘要翻译：一种用于控制读取功率的方法和使用其的开环读取控制装置。开环读取控制装置用于光盘写入器并且包括存储器，DAC和放大器。光盘刻录机包括具有激光二极管的拾取头装置。当禁止写入时，用于读取光盘的光盘写入器的读取功率对应于特定电压。存储器存储关系曲线并输出与特定电压对应的相应参考值。 DAC将相应的参考值转换为模拟相应的参考值。放大器接收模拟相应的参考值，并输出读取功率控制电压，其控制激光二极管以在写入过程中产生基本上恒定的读取功率。

2. 发明授权

US07808865B2 Method for estimating power compensation and recording power of a tilting disk 有权
标题翻译：用于估计倾斜盘的功率补偿和记录功率的方法
公开(公告)号：US07808865B2
公开(公告)日：2010-10-05
申请号：US11396661
申请日：2006-04-04
申请人： Chin-Yin Tsai , Yi-Lin Lai
发明人： Chin-Yin Tsai , Yi-Lin Lai
IPC分类号： G11B15/62
CPC分类号： G11B7/0956 , G11B7/126
摘要： The method for estimating recording power Pow_tilting of a tilting part of a tilting disk is shown based on a power compensation formula: Pow_comp=A*(A*K). After a focus error (FE) signal of the tilting part of the tilting disk is manipulated as a focus servo output (FOO) signal, the parameter A is derived by low-pass filtering the FOO signal. Thereafter, another parameter K is then derived from a reference lookup table by using curve fitting approach based on parameter A such that the power compensation Pow_comp could be estimated by substituting parameters A and K into the above formula. A recording power Pow_tilting of the tilting part of the tilting disk could be estimated by adding a given recording power Piwrtpwr to the power compensation Pow_comp.
摘要翻译：基于功率补偿公式Pow_comp = A *（A * K）示出倾斜盘的倾斜部的估计记录功率的方法。在将倾斜盘的倾斜部分的焦点误差（FE）信号作为聚焦伺服输出（FOO）信号进行操作之后，通过对FOO信号进行低通滤波来导出参数A. 此后，通过使用基于参数A的曲线拟合方法从参考查找表导出另一参数K，使得可以通过将参数A和K代入上述公式来估计功率补偿Pow_comp。可以通过将给定的记录功率Piwrtpwr添加到功率补偿Pow_comp来估计倾斜盘的倾斜部分的记录功率Pow_tilting。

3. 发明申请

US20100188944A1 METHOD FOR CONTROLLING READ POWER AND OPEN-LOOP READ CONTROL DEVICE USING THE SAME 有权
标题翻译：用于控制读取功率的方法和使用该读出电源的开环读取控制装置
公开(公告)号：US20100188944A1
公开(公告)日：2010-07-29
申请号：US12755037
申请日：2010-04-06
申请人： Yi-Lin Lai , Chin-Yin Tsai
发明人： Yi-Lin Lai , Chin-Yin Tsai
IPC分类号： G11B20/10
CPC分类号： G11B7/1263 , G11B7/1267
摘要： A method for controlling read power and an open-loop read control device using the same. The open-loop read control device is used in an optical disk writer and includes a memory, a DAC and an amplifier. The optical disk writer includes a pickup head device having a laser diode. When writing is disabled, the read power of the optical disk writer for reading the disk corresponds to a specific voltage. The memory stores a relationship curve and outputs a corresponding reference value corresponding to the specific voltage. The DAC converts the corresponding reference value into an analog corresponding reference value. The amplifier receives the analog corresponding reference value and outputs a read power control voltage, which controls the laser diode to generate a substantially constant read power in the write process.
摘要翻译：一种用于控制读取功率的方法和使用其的开环读取控制装置。开环读取控制装置用于光盘写入器并且包括存储器，DAC和放大器。光盘刻录机包括具有激光二极管的拾取头装置。当禁止写入时，用于读取光盘的光盘写入器的读取功率对应于特定电压。存储器存储关系曲线并输出与特定电压对应的相应参考值。 DAC将相应的参考值转换为模拟相应的参考值。放大器接收模拟相应的参考值，并输出读取功率控制电压，其控制激光二极管以在写入过程中产生基本上恒定的读取功率。

4. 发明授权

US07719942B2 Power control method for eliminating output power offset of a pick-up head in an optical disc drive 失效
标题翻译：用于消除光盘驱动器中的拾取头的输出功率偏移的功率控制方法
公开(公告)号：US07719942B2
公开(公告)日：2010-05-18
申请号：US11160738
申请日：2005-07-06
申请人： Che-Chieh Wang , Chin-Yin Tsai
发明人： Che-Chieh Wang , Chin-Yin Tsai
IPC分类号： G11B7/00
CPC分类号： G11B7/1263 , G11B7/00456
摘要： A power controlling method for eliminating output power offset of a pick-up head in an optical disc drive. The power control method includes measuring a first predetermined power related to a first predetermined control signal in a predetermined procedure, inputting a test data containing a plurality of first bits and a plurality of second bits, activating a sample/hold circuit to form a close loop so that the first predetermined control signal can be received and utilized for driving a pick-up head to output a first power when the plurality of first bits are received, and calculating an offset power based on the first predetermined power and the first power for rectifying output power of the pick-up head.
摘要翻译：一种用于消除光盘驱动器中的拾取头的输出功率偏移的功率控制方法。功率控制方法包括以预定的过程测量与第一预定控制信号相关的第一预定功率，输入包含多个第一比特和多个第二比特的测试数据，激活采样/保持电路以形成闭环使得当接收到多个第一比特时，可以接收并利用第一预定控制信号来驱动拾取头输出第一功率，并且基于第一预定功率计算偏移功率和用于整流的第一功率拾取头的输出功率。

5. 发明授权

US07693022B2 Method for controlling read power and open-loop read control device using the same 失效
标题翻译：用于控制读取功率的方法和使用其的开环读取控制装置
公开(公告)号：US07693022B2
公开(公告)日：2010-04-06
申请号：US10892770
申请日：2004-07-16
申请人： Yi-Lin Lai , Chin-Yin Tsai
发明人： Yi-Lin Lai , Chin-Yin Tsai
IPC分类号： G11B7/00
CPC分类号： G11B7/1263 , G11B7/1267
摘要： A method for controlling read power and an open-loop read control device using the same. The open-loop read control device is used in an optical disk writer and includes a memory, a DAC and an amplifier. The optical disk writer includes a pickup head device having a laser diode. When writing is disabled, the read power of the optical disk writer for reading the disk corresponds to a specific voltage. The memory stores a relationship curve and outputs a corresponding reference value corresponding to the specific voltage. The DAC converts the corresponding reference value into an analog corresponding reference value. The amplifier receives the analog corresponding reference value and outputs a read power control voltage, which controls the laser diode to generate a substantially constant read power in the write process.
摘要翻译：一种用于控制读取功率的方法和使用其的开环读取控制装置。开环读取控制装置用于光盘写入器并且包括存储器，DAC和放大器。光盘刻录机包括具有激光二极管的拾取头装置。当禁止写入时，用于读取光盘的光盘写入器的读取功率对应于特定电压。存储器存储关系曲线并输出与特定电压对应的相应参考值。 DAC将相应的参考值转换为模拟相应的参考值。放大器接收模拟相应的参考值，并输出读取功率控制电压，其控制激光二极管以在写入过程中产生基本上恒定的读取功率。

6. 发明授权

US06992954B2 Method for determining DC level of AC signal and DC offset of the same 有权
公开(公告)号：US06992954B2
公开(公告)日：2006-01-31
申请号：US10208291
申请日：2002-07-30
申请人： Chin-Yin Tsai , Keng-Lon Lei
发明人： Chin-Yin Tsai , Keng-Lon Lei
IPC分类号： G11B5/09
CPC分类号： G11B7/094 , G11B7/0903 , G11B7/0945 , G11B20/10203 , H03M1/1295
摘要： A method for determining a direct current (DC) level involved in an alternating current signal is provided. The alternating current signal is transmitted from an amplifier to an A/D (analog-to-digital) converter. When any of the extreme values of the alternating current signal is beyond the input range of the A/D converter, the alternating current signal is shifted to make both of the peak and bottom values located within the input range of the A/D converter. Then, the real extreme values are realized according to the shift level(s), the relative peak and bottom values realized after the shifting procedure, and the input range of the A/D converter. Finally, the DC level is determined according to the real peak and bottom values.

7. 发明申请

US20050105412A1 Method and device for adjusting a control parameter of a servo of an optical drive 有权
标题翻译：用于调整光驱的伺服控制参数的方法和装置
公开(公告)号：US20050105412A1
公开(公告)日：2005-05-19
申请号：US10990669
申请日：2004-11-17
申请人： Yi-Lin Lai , Keng-Lon Lei , Chin-Yin Tsai
发明人： Yi-Lin Lai , Keng-Lon Lei , Chin-Yin Tsai
IPC分类号： G05B15/02 , G11B5/09 , G11B7/00 , G11B7/0037 , G11B7/0045 , G11B7/09 , G11B7/125 , G11B20/00 , G11B20/18
CPC分类号： G11B7/0941 , G11B7/00375 , G11B7/0045 , G11B7/0948 , G11B7/1263 , G11B7/1267 , G11B20/18
摘要： A method and a device for adjusting control parameters of a servo system of an optical disk drive. A first sinusoidal signal is introduced into a control loop of the servo system, while a band-pass filter is used to extract a second sinusoidal signal. Gain and/or phase variations of the control loop are derived by comparing signal parameters of both the first and second sinusoidal signals. A compensator is then employed to adjust the derived gain and/or phase variations of the control loop so as to overcome the disadvantage of system instability after a long-term working.
摘要翻译：一种用于调整光盘驱动器的伺服系统的控制参数的方法和装置。第一正弦信号被引入到伺服系统的控制环路中，而使用带通滤波器来提取第二正弦信号。通过比较第一和第二正弦信号两者的信号参数，导出控制回路的增益和/或相位变化。然后使用补偿器来调节控制回路的导出增益和/或相位变化，以克服长期工作后的系统不稳定性的缺点。

8. 再颁专利

USRE44043E1 Method for determining DC level of AC signal and DC offset of the same 有权
公开(公告)号：USRE44043E1
公开(公告)日：2013-03-05
申请号：US12024037
申请日：2008-01-31
申请人： Chin-Yin Tsai , Keng-Lon Lei
发明人： Chin-Yin Tsai , Keng-Lon Lei
IPC分类号： G11B5/09
CPC分类号： G11B7/094 , G11B7/0903 , G11B7/0945 , G11B20/10203 , H03M1/1295
摘要： A method for determining a direct current (DC) level involved in an alternating current signal is provided. The alternating current signal is transmitted from an amplifier to an A/D (analog-to-digital) converter. When any of the extreme values of the alternating current signal is beyond the input range of the A/D converter, the alternating current signal is shifted to make both of the peak and bottom values located within the input range of the A/D converter. Then, the real extreme values are realized according to the shift level(s), the relative peak and bottom values realized after the shifting procedure, and the input range of the A/D converter. Finally, the DC level is determined according to the real peak and bottom values.

9. 发明授权

US07778128B2 Focusing controller apparatus and method for an optical disk drive 有权
标题翻译：用于光盘驱动器的聚焦控制器装置和方法
公开(公告)号：US07778128B2
公开(公告)日：2010-08-17
申请号：US12111933
申请日：2008-04-29
申请人： Yi-Lin Lai , Chin-Yin Tsai
发明人： Yi-Lin Lai , Chin-Yin Tsai
IPC分类号： G11B7/00
CPC分类号： G11B7/0941 , G11B7/00375 , G11B7/0045 , G11B7/0948 , G11B7/1263 , G11B7/1267 , G11B20/18
摘要： A focusing controller and the method thereof for an optical disk drive. The focusing controller includes a filter, a coupler and a focus compensator. The filter filters out a high-frequency component of the track error signal and derives an adjusted signal, while the coupler eliminates the adjustment signal from the focusing error signal so as to generate a coupled signal. The focus compensator generates a focus control signal used for controlling a position of the pick up head of the optical disk drive according to the coupled signal during a focusing operation.
摘要翻译：一种用于光盘驱动器的聚焦控制器及其方法。聚焦控制器包括滤光器，耦合器和聚焦补偿器。滤波器滤除轨道误差信号的高频分量并导出调整后的信号，而耦合器消除了来自聚焦误差信号的调整信号，从而产生耦合信号。聚焦补偿器根据聚焦操作期间的耦合信号产生用于控制光盘驱动器的拾取头的位置的聚焦控制信号。

10. 发明授权

US07738333B2 Optical disk drive for writing a re-writable optical disk and method thereof 有权
标题翻译：用于写入可重写光盘的光盘驱动器及其方法
公开(公告)号：US07738333B2
公开(公告)日：2010-06-15
申请号：US12021239
申请日：2008-01-28
申请人： Shih-Fang Chen , Chin-Yin Tsai
发明人： Shih-Fang Chen , Chin-Yin Tsai
IPC分类号： G11B5/09 , G11B7/00
CPC分类号： G11B7/0941 , G11B7/00375 , G11B7/0045 , G11B7/0948 , G11B7/1263 , G11B7/1267 , G11B20/18
摘要： An optical disk drive of recording a re-writable optical disk and the method thereof. First, an optimum power is determined. A gain of a SBAD (Sub Beam Adder) signal is adjusted for generating an calibrated SBAD signal such that the calibrated SBAD signal maintains at the same level during a write power phase and a read power phase substantially. Then, the re-writable optical disk is recorded by using the optimum power. Next, a defect of the re-writable optical disk is detected according to the calibrated SBAD signal. Then, the optical disk drive will jump over the defect and prevent it from being data-recorded so as to avoid system malfunction.
摘要翻译：一种用于记录可重写光盘的光盘驱动器及其方法。首先，确定最佳功率。调整SBAD（子光束加法器）信号的增益以产生经校准的SBAD信号，使得经校准的SBAD信号在写入功率阶段和读取功率阶段期间维持在相同的电平。然后，通过使用最佳功率来记录可重写光盘。接下来，根据校准的SBAD信号检测可重写光盘的缺陷。然后，光盘驱动器将跳过缺陷，防止其被数据记录，以避免系统故障。

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