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    • 11. 发明授权
    • Frequency synthesis system with self-calibrated loop stability and bandwidth
    • 频率合成系统具有自校准的环路稳定性和带宽
    • US08076962B2
    • 2011-12-13
    • US12923200
    • 2010-09-09
    • Chun-Liang ChenHui-Chun Hsu
    • Chun-Liang ChenHui-Chun Hsu
    • H03L7/06
    • H03L7/0995H03L7/093H03L2207/04
    • In a frequency synthesis system with self-calibrated loop stability and bandwidth, a detector produces a detection signal based on a difference between an input signal and a feedback signal; a charge pump produces a control signal based on the detection signal; a filter produces a tuning signal and a source current based on the control signal; a bias circuit produces first and second bias signals; a controllable oscillator produces a differential output signal with a selected specific frequency; a differential-to-single converter produces an output signal with the selected specific frequency; a programmable frequency divider produces the feedback signal; a current mirror circuit receives the source current for producing a mirror current; a compensation circuit produces a compensation current based on the mirror current for compensating the variation of the damping factor and the bandwidth-to-reference frequency ratio.
    • 在具有自校准环路稳定性和带宽的频率合成系统中,检测器基于输入信号和反馈信号之间的差异产生检测信号; 电荷泵基于检测信号产生控制信号; 滤波器基于控制信号产生调谐信号和源电流; 偏置电路产生第一和第二偏置信号; 可控振荡器产生具有所选择的特定频率的差分输出信号; 差分到单个转换器产生具有所选择的特定频率的输出信号; 可编程分频器产生反馈信号; 电流镜电路接收源电流以产生镜电流; 补偿电路基于镜电流产生补偿电流,用于补偿阻尼因子和带宽与参考频率比的变化。
    • 12. 发明授权
    • Low jitter and wide-range frequency synthesizer for low voltage operation
    • 低抖动和宽频率频率合成器,用于低电压操作
    • US08067988B2
    • 2011-11-29
    • US12656865
    • 2010-02-18
    • Chun-Liang ChenHui-Chun Hsu
    • Chun-Liang ChenHui-Chun Hsu
    • H03L7/00
    • H03L7/183H03L7/0995
    • A low jitter and wide-range frequency synthesizer for low voltage operation includes a detector to generate a detection signal based on a logic level difference between an input signal and a feedback signal, a charge pump to generate a control signal based on the detection signal, a filter to generate a tuning signal based on the control signal, a bias circuit to generate a first bias signal and a second bias signal based on the tuning signal, a controllable oscillator to generate a differential output signal based on the first and the second bias signals, a differential to single ended converter to convert the differential output signal into an output signal, and a programmable frequency divider to generate the feedback signal based on the output signal.
    • 用于低电压操作的低抖动和宽范围频率合成器包括:检测器,用于基于输入信号和反馈信号之间的逻辑电平差产生检测信号;电荷泵,用于基于检测信号产生控制信号; 基于所述控制信号产生调谐信号的滤波器,基于所述调谐信号产生第一偏置信号和第二偏置信号的偏置电路,基于所述第一和第二偏置产生差分输出信号的可控振荡器 信号,差分到单端转换器将差分输出信号转换成输出信号,以及可编程分频器,以基于输出信号产生反馈信号。
    • 13. 发明授权
    • All digital phase locked loop circuit
    • 全数字锁相环电路
    • US07940097B2
    • 2011-05-10
    • US12575050
    • 2009-10-07
    • Chun-Liang Chen
    • Chun-Liang Chen
    • H03L7/06
    • H03L7/18H03L7/07H03L7/0812H03L7/085H03L2207/50
    • An all digital phase locked loop circuit includes a reference frequency indicator for receiving a reference signal with a reference frequency and generating a frequency indicating value; a phase frequency detector for comparing the reference signal with a frequency divided signal and generating a phase difference pulse; a time-to-digital circuit for receiving the phase difference pulse and a plurality of output signals and generating a phase difference value; a digital controller for receiving the frequency indicating value and the phase difference value and generating a control value; a delta-sigma modulator for modulating the control value and generating a modulated control value; a DCO for receiving the modulated control value and generating an output oscillating signal with a digital controlled frequency; a frequency divider for dividing the digital controlled frequency to generate the frequency divided signal; and a multi-phase generator for receiving the output oscillating signal and generating the output signals.
    • 全数字锁相环电路包括用于接收具有参考频率的参考信号并产生频率指示值的参考频率指示器; 相位频率检测器,用于将参考信号与分频信号进行比较并产生相位差脉冲; 用于接收相位差脉冲的时间数字电路和多个输出信号并产生相位差值; 用于接收频率指示值和相位差值并产生控制值的数字控制器; 用于调制控制值并产生调制控制值的Δ-Σ调制器; 用于接收调制控制值并产生具有数字受控频率的输出振荡信号的DCO; 用于分割数字受控频率以产生分频信号的分频器; 以及用于接收输出振荡信号并产生输出信号的多相发生器。
    • 15. 发明申请
    • Frequency synthesis system with self-calibrated loop stability and bandwidth
    • 频率合成系统具有自校准的环路稳定性和带宽
    • US20100067612A1
    • 2010-03-18
    • US12457354
    • 2009-06-09
    • Chun-Liang ChenHui-Chun Hsu
    • Chun-Liang ChenHui-Chun Hsu
    • H04L25/49
    • H03L7/099H03L7/0898H03L7/093H03L7/18H03L2207/04
    • A frequency synthesis system with self-calibrated loop stability and bandwidth, which outputs an output signal based on an input signal and includes a detector, a charge pump, a filter, a controllable oscillator and a programmable frequency divider. The detector produces a detection signal based on a logic level difference between the input signal and a feedback signal. The charge pump is connected to the detector in order to produce a control signal based on the detection signal. The filter is connected to the charge pump in order to produce a tuning signal based on the control signal. The controllable oscillator is connected to the filter in order to produce the output signal based on the tuning signal. The programmable frequency divider is connected to the controllable oscillator in order to produce the feedback signal based on the output signal. The filter is a discrete time loop filter.
    • 一种具有自校准环路稳定性和带宽的频率合成系统,其基于输入信号输出输出信号,并包括检测器,电荷泵,滤波器,可控振荡器和可编程分频器。 检测器基于输入信号和反馈信号之间的逻辑电平差产生检测信号。 电荷泵连接到检测器,以便根据检测信号产生一个控制信号。 滤波器连接到电荷泵,以便根据控制信号产生调谐信号。 可控振荡器连接到滤波器,以便根据调谐信号产生输出信号。 可编程分频器连接到可控振荡器,以便根据输出信号产生反馈信号。 滤波器是一个离散的时间环路滤波器。
    • 17. 发明授权
    • Corrugated metal sheet member fabrication system
    • 波纹金属板材制造系统
    • US08281631B1
    • 2012-10-09
    • US12612119
    • 2009-11-04
    • Chun-Liang Chen
    • Chun-Liang Chen
    • B21C37/12B21F11/00
    • B21D13/02B21D43/28Y10T29/4956Y10T29/5142Y10T29/5145Y10T83/476Y10T83/4763
    • A corrugated metal sheet member fabrication system formed of a material feeder, a roller-ramming unit, a cutting unit, a conveyer, and a finished product receiving rack is disclosed. When the reciprocating cutting-off device is moved forwards or backwards, the belt frame of the conveyer is synchronously moved to carry the movable frames forwards or backwards, and therefore the front driven roller and the rear driven roller with the conveying belt are moved with the movable frames forwards to the extended position or backwards to the retrieved position. After the movable frames has been moved forwards, the front side of the conveying belt is kept spaced above the base for receiving finished products from the reciprocating cutting-off device of the cutting unit and delivering collected finished products to the finished product receiving rack. Therefore, the invention automatically and accurately conveys finished products from the reciprocating cutting-off device of the cutting unit to the finished product receiving rack.
    • 公开了一种波纹金属片材制造系统,其由材料馈送器,辊压夯单元,切割单元,输送器和成品接收架构成。 当往复式切断装置向前或向后移动时,输送机的皮带框架被同步移动以向前或向后运送可动框架,因此前驱动辊和后驱动辊与输送带一起移动 可移动框架前进到延伸位置或向后移动到检索位置。 在可移动框架向前移动之后,输送带的前侧保持在基座上方间隔开,用于从切割单元的往复切断装置接收成品,并将收集的成品输送到成品接收架。 因此,本发明将切割装置的往复切断装置的成品自动准确地输送到成品收容架。
    • 18. 发明授权
    • Microprocessor device and related method for a liquid crystal display controller
    • 一种液晶显示控制器的微处理器及相关方法
    • US07725634B2
    • 2010-05-25
    • US12127793
    • 2008-05-27
    • Wen-Hsuan LinChun-Liang Chen
    • Wen-Hsuan LinChun-Liang Chen
    • G06F13/00
    • G06F13/1663
    • To reduce production cost, the present invention provides a microprocessor device for an LCD controller, which includes a memory, a first processing unit, a second processing unit, a first arbiter and a second arbiter. The memory is utilized for storing data. The first processing unit is utilized for executing a first program. The second processing unit is utilized for executing a second program. The first arbiter is coupled to the first processing unit and the second processing unit and utilized for deciding an operation order for the first processing unit and the second processing unit. The second arbiter is coupled to the first processing unit, the second processing unit and the memory and utilized for deciding a memory accessing order for the first processing unit and the second processing unit.
    • 为了降低生产成本,本发明提供了一种用于LCD控制器的微处理器装置,其包括存储器,第一处理单元,第二处理单元,第一仲裁器和第二仲裁器。 存储器用于存储数据。 第一处理单元用于执行第一程序。 第二处理单元用于执行第二程序。 第一仲裁器耦合到第一处理单元和第二处理单元,用于确定第一处理单元和第二处理单元的操作顺序。 第二仲裁器耦合到第一处理单元,第二处理单元和存储器,并用于确定第一处理单元和第二处理单元的存储器存取顺序。
    • 19. 发明申请
    • Penetration Ionization Chamber
    • 穿透电离室
    • US20080023640A1
    • 2008-01-31
    • US11530140
    • 2006-09-08
    • Shui-Hua SuMing-Chen YuanChun-Liang Chen
    • Shui-Hua SuMing-Chen YuanChun-Liang Chen
    • G01T1/185H01J47/02
    • H01J47/02
    • A penetration ionization chamber includes a chamber, two outer electrode plates and a center electrode plate. The center electrode plate is disposed at the center of the chamber, and signals produced in the chamber can be collected completely by the center electrode plate to avoid signal losses and improve the accuracy of the test result of the ionization chamber. The center electrode plate also can maintain a constant internal volume of the chamber and prevent a change of effective volume within the chamber due to a change of electric field and enhance the stability of the test result of the ionization chamber. A protection electrode is wrapped by an insulation pin of the electrode and the outer insulation ring to form an insulation shield that can greatly reduce current leakage of the protection electrode and improve the accuracy of the test result of the ionization chamber.
    • 穿透电离室包括室,两个外电极板和中心电极板。 中心电极板设置在室的中心,并且可以通过中心电极板完全收集室中产生的信号,以避免信号损失并提高电离室的测试结果的精度。 中心电极板还可以保持室的恒定内部容积,并且防止由于电场的变化而导致室内的有效体积的变化,并且增强了电离室的测试结果的稳定性。 保护电极由电极的绝缘针和外绝缘环包裹,形成绝缘屏蔽,可大大减少保护电极的漏电,提高电离室测试结果的准确性。
    • 20. 发明授权
    • Finished product receiving unit used in a corrugated metal sheet member making machine
    • 用于波纹金属片材制造机的成品接收单元
    • US06983837B1
    • 2006-01-10
    • US10902026
    • 2004-07-30
    • Chun-Liang Chen
    • Chun-Liang Chen
    • B65G29/00
    • B65G57/06B65G2201/0217
    • A finished product receiving unit used in a corrugated metal sheet member making machine for receiving finished products is disclosed to include a rack, two pivot shafts arranged in parallel two sides in the rack, two elongated finished product carrier frames respectively fastened to the pivot shafts and holding a number of rollers for receiving finished products from the corrugated metal sheet member making machine, and two air cylinders bilaterally mounted in the top side of the rack and respectively coupled to the pivot shafts through a respective link and controlled to bias the pivot shafts and to further move the elongated finished product carrier frames between the operative position for receiving finished products from the corrugated metal sheet member making machine and the non-operative position for enabling received finished products to fall to the bottom side of the rack for further collection.
    • 公开了一种用于接收成品的波纹状金属板材制造机中的成品接收单元,其包括:齿条,两个平行地布置在机架中的两个枢轴;两个分别固定在枢轴上的细长成品托架, 保持用于从波纹金属片制造机接收成品的多个辊子,以及两个气缸,其双侧安装在齿条的顶侧,并分别通过相应的连杆联接到枢转轴,并被控制以偏置枢转轴, 以进一步将细长成品托架框架移动到用于从波纹金属板制造机器接收成品的操作位置和用于使得接收的成品落入支架底部以进一步收集的非操作位置之间。