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1. 发明申请

US20060176202A1 Digital-to-analog converter using plural transistors having the same operating characteristics 有权
标题翻译：使用具有相同操作特性的多个晶体管的数模转换器
公开(公告)号：US20060176202A1
公开(公告)日：2006-08-10
申请号：US11347218
申请日：2006-02-06
申请人： Jung-eun Lee , Han-seung Lee , Hoon-tae Kim
发明人： Jung-eun Lee , Han-seung Lee , Hoon-tae Kim
IPC分类号： H03M1/66
CPC分类号： H03M1/74 , H03M1/0863
摘要： A digital-to-analog converter converts a digital input signal into an analog signal. The digital-to-analog converter includes: a power-supply unit for outputting voltages of different magnitudes through plural output terminals thereof; plural switches connected to the plural output terminals, which are controlled on and off, and are for applying the output voltages of the power-supply unit or a ground voltage to a next stage; and plural source transistors connected to the plural switches for outputting currents of magnitudes corresponding to the voltages applied from the respective connected switches of the plural switches. The plural source transistors are designed to have the same operating characteristics, thereby improving glitch characteristics.
摘要翻译：数模转换器将数字输入信号转换为模拟信号。数模转换器包括：电源单元，用于通过其多个输出端子输出不同幅度的电压; 连接到多个输出端子的多个开关，其被控制为开和关，并且用于将电源单元的输出电压或接地电压施加到下一级; 以及连接到所述多个开关的多个源极晶体管，用于输出对应于从所述多个开关的各个连接的开关施加的电压的电压。多个源极晶体管被设计成具有相同的工作特性，从而改善毛刺特性。

2. 发明授权

US07342526B2 Digital-to-analog converter using plural transistors having the same operating characteristics 有权
标题翻译：使用具有相同操作特性的多个晶体管的数模转换器
公开(公告)号：US07342526B2
公开(公告)日：2008-03-11
申请号：US11347218
申请日：2006-02-06
申请人： Jung-eun Lee , Han-seung Lee , Hoon-tae Kim
发明人： Jung-eun Lee , Han-seung Lee , Hoon-tae Kim
IPC分类号： H03M1/66
CPC分类号： H03M1/74 , H03M1/0863
摘要： A digital-to-analog converter converts a digital input signal into an analog signal. The digital-to-analog converter includes: a power-supply unit for outputting voltages of different magnitudes through plural output terminals thereof; plural switches connected to the plural output terminals, which are controlled on and off, and are for applying the output voltages of the power-supply unit or a ground voltage to a next stage; and plural source transistors connected to the plural switches for outputting currents of magnitudes corresponding to the voltages applied from the respective connected switches of the plural switches. The plural source transistors are designed to have the same operating characteristics, thereby improving glitch characteristics.
摘要翻译：数模转换器将数字输入信号转换为模拟信号。数模转换器包括：电源单元，用于通过其多个输出端子输出不同幅度的电压; 连接到多个输出端子的多个开关，其被控制为开和关，并且用于将电源单元的输出电压或地电压施加到下一级; 以及连接到所述多个开关的多个源极晶体管，用于输出对应于从所述多个开关的各个连接的开关施加的电压的电压。多个源极晶体管被设计成具有相同的工作特性，从而改善毛刺特性。

3. 发明授权

US07378908B2 Variable gain differential amplifier, and variable degeneration impedance control device and method for use in the same 失效
标题翻译：可变增益差分放大器和可变退化阻抗控制装置及其使用方法
公开(公告)号：US07378908B2
公开(公告)日：2008-05-27
申请号：US11349171
申请日：2006-02-08
申请人： Chun-deok Suh , Hoon-tae Kim , Jung-eun Lee
发明人： Chun-deok Suh , Hoon-tae Kim , Jung-eun Lee
IPC分类号： H03F3/45
CPC分类号： H03G1/0029
摘要： Disclosed are a variable gain differential amplifier, and variable degeneration impedance control device and method for use in the variable gain differential amplifier, which can adjust an amplification gain and ensure linearity. A DC level of a differential signal to be amplified by the amplifier is adjusted according to a control signal to adjust a gain of the amplifier, and the impedance of a variable degeneration impedance part is adjusted according to the differential signal of which the DC level is adjusted. That is, the gain of the differential amplifier is adjusted and the linearity is ensured by varying the impedance of the variable degeneration impedance part using the differential input signal of which the DC level is adjusted.
摘要翻译：本发明公开了一种可变增益差分放大器和可变衰减阻抗控制装置及其在可变增益差分放大器中的应用，可以调节放大增益并确保线性度。根据控制信号调整由放大器放大的差分信号的直流电平，以调整放大器的增益，并且根据直流电平的差分信号来调节可变衰减阻抗部分的阻抗调整。也就是说，通过使用调整DC电平的差分输入信号改变可变衰减阻抗部分的阻抗来调节差分放大器的增益，并确保线性度。

4. 发明申请

US20060186961A1 Variable gain differential amplifier, and variable degeneration impedance control device and method for use in the same 失效
标题翻译：可变增益差分放大器和可变退化阻抗控制装置及其使用方法
公开(公告)号：US20060186961A1
公开(公告)日：2006-08-24
申请号：US11349171
申请日：2006-02-08
申请人： Chun-deok Suh , Hoon-tae Kim , Jung-eun Lee
发明人： Chun-deok Suh , Hoon-tae Kim , Jung-eun Lee
IPC分类号： H03G3/12
CPC分类号： H03G1/0029
摘要： Disclosed are a variable gain differential amplifier, and variable degeneration impedance control device and method for use in the variable gain differential amplifier, which can adjust an amplification gain and ensure linearity. A DC level of a differential signal to be amplified by the amplifier is adjusted according to a control signal to adjust a gain of the amplifier, and the impedance of a variable degeneration impedance part is adjusted according to the differential signal of which the DC level is adjusted. That is, the gain of the differential amplifier is adjusted and the linearity is ensured by varying the impedance of the variable degeneration impedance part using the differential input signal of which the DC level is adjusted.
摘要翻译：本发明公开了一种可变增益差分放大器和可变衰减阻抗控制装置及其在可变增益差分放大器中的应用，可以调节放大增益并确保线性度。根据控制信号调整由放大器放大的差分信号的直流电平，以调整放大器的增益，并且根据直流电平的差分信号来调节可变衰减阻抗部分的阻抗调整。也就是说，通过使用调整DC电平的差分输入信号改变可变衰减阻抗部分的阻抗来调节差分放大器的增益，并确保线性度。

5. 发明申请

US20060181357A1 Ring oscillator for calibrating phase error and phase-error calibration method therefor 有权
标题翻译：用于校准相位误差和相位误差校准方法的振荡器
公开(公告)号：US20060181357A1
公开(公告)日：2006-08-17
申请号：US11342611
申请日：2006-01-31
申请人： Hyun-su Chae , Hoon-tae Kim , Jung-eun Lee
发明人： Hyun-su Chae , Hoon-tae Kim , Jung-eun Lee
IPC分类号： H03K3/03
CPC分类号： H03K3/0322
摘要： A ring oscillator and a phase error calibration method are provided. The ring oscillator may include a first voltage-current converter for controlling and outputting an amount of tail current Itail according to a magnitude of a first control voltage applied in feedback in a PLL circuit; a second voltage-current converter for controlling and outputting an amount of shift current according to a magnitude of a second control voltage applied from a system phase error detector; and differential amplifiers for controlling, for output signals, a delay time of signals based on the applied tail current amount and a shift time of the signals based on the shift current amount. Thus, a phase relation between in-phase and quadrature-phase signals outputted from the ring oscillator may be controlled.
摘要翻译：提供了环形振荡器和相位误差校准方法。环形振荡器可以包括第一电压 - 电流转换器，用于根据施加在PLL电路中的反馈中的第一控制电压的大小来控制和输出尾流量Itail的量; 第二电压电流转换器，用于根据从系统相位误差检测器施加的第二控制电压的大小来控制和输出移位电流量; 以及差分放大器，用于根据施加的尾电流量和基于移位电流量的信号的移位时间来控制输出信号的信号延迟时间。因此，可以控制从环形振荡器输出的同相和正交相位信号之间的相位关系。

6. 发明授权

US07397316B2 Ring oscillator for calibrating phase error and phase-error calibration method therefor 有权
标题翻译：用于校准相位误差和相位误差校准方法的振荡器
公开(公告)号：US07397316B2
公开(公告)日：2008-07-08
申请号：US11342611
申请日：2006-01-31
申请人： Hyun-su Chae , Hoon-tae Kim , Jung-eun Lee
发明人： Hyun-su Chae , Hoon-tae Kim , Jung-eun Lee
IPC分类号： H03K3/03 , H03B27/00
CPC分类号： H03K3/0322
摘要： A ring oscillator and a phase error calibration method are provided. The ring oscillator may include a first voltage-current converter for controlling and outputting an amount of tail current Itail according to a magnitude of a first control voltage applied in feedback in a PLL circuit; a second voltage-current converter for controlling and outputting an amount of shift current according to a magnitude of a second control voltage applied from a system phase error detector; and differential amplifiers for controlling, for output signals, a delay time of signals based on the applied tail current amount and a shift time of the signals based on the shift current amount. Thus, a phase relation between in-phase and quadrature-phase signals outputted from the ring oscillator may be controlled.
摘要翻译：提供了环形振荡器和相位误差校准方法。环形振荡器可以包括第一电压 - 电流转换器，用于根据施加在PLL电路中的反馈中的第一控制电压的大小来控制和输出尾流量Itail的量; 第二电压电流转换器，用于根据从系统相位误差检测器施加的第二控制电压的大小来控制和输出移位电流量; 以及差分放大器，用于根据施加的尾电流量和基于移位电流量的信号的移位时间来控制输出信号的信号延迟时间。因此，可以控制从环形振荡器输出的同相和正交相位信号之间的相位关系。

7. 发明授权

US07349305B2 Wobble signal reproducing device and method 失效
标题翻译：摆动信号再生装置及方法
公开(公告)号：US07349305B2
公开(公告)日：2008-03-25
申请号：US11036357
申请日：2005-01-18
申请人： Han-seung Lee , Jung-eun Lee
发明人： Han-seung Lee , Jung-eun Lee
IPC分类号： G11B7/00
CPC分类号： G11B7/0053
摘要： A wobble signal reproducing device and method. The wobble signal reproducing device may include a computation unit for outputting a push-pull signal by use of a signal picked up by wobbling an optical disc; a wobble band pass filter (BPF) unit for applying band pass filtering to the push-pull signal based on a first control signal, applying low pass filtering to the band pass filtering-applied signal based on a second control signal, and outputting a wobble signal; a wobble phase locked loop (PLL) unit for generating a channel clock signal based on the wobble signal, wherein the first and second control signals correspond to the channel clock signal, the wobble BPF unit applies the band pass filtering at a center frequency varying based on the first control signal, and applies the low pass filtering at a cutoff frequency varying based on the second control signal. Accordingly, the wobble signal reproducing device and method can effectively reproduce a wobble signal in the CLV mode as well as in the CAV mode in which the spindle motor rotates at a constant speed.
摘要翻译：摆动信号再生装置及方法。摆动信号再现装置可以包括：计算单元，用于通过使用通过摆动光盘拾取的信号来输出推挽信号; 摆动带通滤波器（BPF）单元，用于基于第一控制信号对推挽信号进行带通滤波，基于第二控制信号对带通滤波处理的信号进行低通滤波，并输出摆动信号; 摆动锁相环（PLL）单元，用于基于摆动信号产生通道时钟信号，其中第一和第二控制信号对应于通道时钟信号，摆动BPF单元以中心频率变化为基础进行带通滤波在第一控制信号上，并且以基于第二控制信号变化的截止频率施加低通滤波。因此，摆动信号再现装置和方法可以有效地再现CLV模式以及主轴电机以恒定速度旋转的CAV模式中的摆动信号。

8. 发明申请

US20060173944A1 Exponential function generator 审中-公开
标题翻译：指数函数发生器
公开(公告)号：US20060173944A1
公开(公告)日：2006-08-03
申请号：US11338747
申请日：2006-01-25
申请人： Han-seung Lee , Jeongwook Koh , Jung-eun Lee , Hoang Duong , Sang-gug Lee
发明人： Han-seung Lee , Jeongwook Koh , Jung-eun Lee , Hoang Duong , Sang-gug Lee
IPC分类号： G06F1/02
CPC分类号： G06G7/26 , G06G7/24
摘要： An exponential function generator for generating an exponential generator to realize a linear region of about 60 dB required for the an ultra wide band system (UWB). Since the exponential function generator is implemented in a form of complementary metal oxide semiconductor fabrication (CMOS), compactness and operation control of the exponential function generator can be facilitated.
摘要翻译：指数函数发生器，用于产生指数发生器以实现超宽带系统（UWB）所需的约60dB的线性区域。由于指数函数发生器以互补金属氧化物半导体制造（CMOS）的形式实现，因此可以促进指数函数发生器的紧凑性和操作控制。

9. 发明申请

US20050157618A1 Wobble signal reproducing device and method 失效
标题翻译：摆动信号再生装置及方法
公开(公告)号：US20050157618A1
公开(公告)日：2005-07-21
申请号：US11036357
申请日：2005-01-18
申请人： Han-seung Lee , Jung-eun Lee
发明人： Han-seung Lee , Jung-eun Lee
IPC分类号： G11B7/007 , G11B5/09 , G11B7/00 , G11B7/005
CPC分类号： G11B7/0053
摘要： A wobble signal reproducing device and method. The wobble signal reproducing device may include a computation unit for outputting a push-pull signal by use of a signal picked up by wobbling an optical disc; a wobble band pass filter (BPF) unit for applying band pass filtering to the push-pull signal based on a first control signal, applying low pass filtering to the band pass filtering-applied signal based on a second control signal, and outputting a wobble signal; a wobble phase locked loop (PLL) unit for generating a channel clock signal based on the wobble signal, wherein the first and second control signals correspond to the channel clock signal, the wobble BPF unit applies the band pass filtering at a center frequency varying based on the first control signal, and applies the low pass filtering at a cutoff frequency varying based on the second control signal. Accordingly, the wobble signal reproducing device and method can effectively reproduce a wobble signal in the CLV mode as well as in the CAV mode in which the spindle motor rotates at a constant speed.
摘要翻译：摆动信号再生装置及方法。摆动信号再现装置可以包括：计算单元，用于通过使用通过摆动光盘拾取的信号来输出推挽信号; 摆动带通滤波器（BPF）单元，用于基于第一控制信号对推挽信号进行带通滤波，基于第二控制信号对带通滤波处理的信号进行低通滤波，并输出摆动信号; 摆动锁相环（PLL）单元，用于基于摆动信号产生通道时钟信号，其中第一和第二控制信号对应于通道时钟信号，摆动BPF单元以中心频率变化为基础进行带通滤波在第一控制信号上，并且以基于第二控制信号变化的截止频率施加低通滤波。因此，摆动信号再现装置和方法可以有效地再现CLV模式以及主轴电机以恒定速度旋转的CAV模式中的摆动信号。

10. 发明授权

US07532143B2 Device for detecting voltage and analog-to-digital converter (ADC) using the same 失效
标题翻译：用于检测电压的装置和使用其的模数转换器（ADC）
公开(公告)号：US07532143B2
公开(公告)日：2009-05-12
申请号：US11979490
申请日：2007-11-05
申请人： In-sang Song , Sang-wook Kwon , Jung-eun Lee , Young-tack Houng
发明人： In-sang Song , Sang-wook Kwon , Jung-eun Lee , Young-tack Houng
IPC分类号： H03M1/12
CPC分类号： G01R19/16576 , G01D1/18 , G01R5/28 , H03M1/361
摘要： A voltage detecting device and an analog-to-digital converter (ADC) using the same are provided. The voltage detecting device determines whether input voltage is higher than threshold voltage based on contact of a strip and a membrane. Therefore, high resolution and high speed operation is possible, but with consuming lower power, and an element capable of performing the function of resistor and comparator is provided. Furthermore, a more effective ADC may be provided using the above.
摘要翻译：提供了使用其的电压检测装置和模数转换器（ADC）。电压检测装置基于条带和膜的接触来确定输入电压是否高于阈值电压。因此，高分辨率和高速度操作是可能的，但是消耗较低的功率，并且提供了能够执行电阻器和比较器的功能的元件。此外，可以使用上述提供更有效的ADC。

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