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    • 1. 发明授权
    • Phase swallow device and signal generator using the same
    • 相位吞咽装置和信号发生器使用相同
    • US07084687B2
    • 2006-08-01
    • US10896118
    • 2004-07-22
    • Wen-Shiung WengMing-Chun ChangChi-Kung KuanYi-Shu ChangKuo-Lin Tai
    • Wen-Shiung WengMing-Chun ChangChi-Kung KuanYi-Shu ChangKuo-Lin Tai
    • G06F1/04
    • G06F1/10H03L7/00
    • A signal generator for generating a clock with lower jitter. The signal generator includes a multi-phase clock generator for generating a plurality of multi-phase reference clocks with same frequency, a multiplexer for selecting one reference clock as an output clock according to a phase selecting signal, a phase-swallow control unit having a comparator for comparing a swallow value with a reference value out of order and outputting the comparing result as a swallow control signal, and a clock selector for receiving the swallow control signal and generating the phase selecting signal. Because the reference value is provided by a counter in bit-reversed, the swallow control signal is dispersed smoothly and the jitter of the output clock is reduced.
    • 用于产生具有较低抖动的时钟的信号发生器。 信号发生器包括用于产生具有相同频率的多个多相参考时钟的多相时钟发生器,用于根据相位选择信号选择一个参考时钟作为输出时钟的多路复用器,具有相位选择信号的相位控制单元 比较器,用于将吞咽值与参考值进行比较,并输出比较结果作为吞咽控制信号;以及时钟选择器,用于接收吞咽控制信号并产生相位选择信号。 由于参考值由位反转的计数器提供,所以吞咽控制信号平滑地分散,并且输出时钟的抖动减小。
    • 3. 发明申请
    • Clock tuning device and method
    • 时钟调谐装置及方法
    • US20050055597A1
    • 2005-03-10
    • US10933896
    • 2004-09-03
    • Wen-Shiung WengChi-Kung KuanSheng-Kai ChenMing-Chun ChangYi-Shu Chang
    • Wen-Shiung WengChi-Kung KuanSheng-Kai ChenMing-Chun ChangYi-Shu Chang
    • G06F1/04G06F1/08
    • G06F1/08
    • A clock tuning device and method for executing overclocking operations on plural elements disposed on a motherboard. The clock tuning device includes a phase-locked loop for outputting a plurality of clock signals to the elements, and a control circuit for controlling the phase-locked loop to adjust the frequencies of the clock signals, so as to execute the overclocking operations on the elements, respectively. The method includes the steps of: increasing the frequency of a first clock signal until one of the elements can't work normally due to an utmost frequency of the first clock signal; resetting all the elements and operating the element corresponding to the first signal according to a safe frequency of the first clock signal; and repeating the above steps to perform overclocking operation on each of the other elements.
    • 一种用于对设置在母板上的多个元件执行超频操作的时钟调谐装置和方法。 时钟调谐装置包括用于向元件输出多个时钟信号的锁相环,以及用于控制锁相环以调整时钟信号的频率的控制电路,以便对该时钟信号执行超频操作 元素。 该方法包括以下步骤:增加第一时钟信号的频率,直到其中一个元件由于第一时钟信号的最大频率而不能正常工作; 根据第一时钟信号的安全频率,复位所有元件并对与第一信号相对应的元件进行操作; 并重复上述步骤对每个其他元件执行超频操作。
    • 4. 发明授权
    • Clock generating device and method for executing overclocking operation
    • 用于执行超频操作的时钟产生装置和方法
    • US07249275B2
    • 2007-07-24
    • US10933896
    • 2004-09-03
    • Wen-Shiung WengChi-Kung KuanSheng-Kai ChenMing-Chun ChangYi-Shu Chang
    • Wen-Shiung WengChi-Kung KuanSheng-Kai ChenMing-Chun ChangYi-Shu Chang
    • G06F1/10
    • G06F1/08
    • A clock tuning device and method for executing overclocking operations on plural elements disposed on a motherboard. The clock tuning device includes a phase-locked loop for outputting a plurality of clock signals to the elements, and a control circuit for controlling the phase-locked loop to adjust the frequencies of the clock signals, so as to execute the overclocking operations on the elements, respectively. The method includes the steps of: increasing the frequency of a first clock signal until one of the elements can't work normally due to an utmost frequency of the first clock signal; resetting all the elements and operating the element corresponding to the first signal according to a safe frequency of the first clock signal; and repeating the above steps to perform overclocking operation on each of the other elements.
    • 一种用于对设置在母板上的多个元件执行超频操作的时钟调谐装置和方法。 时钟调谐装置包括用于向元件输出多个时钟信号的锁相环,以及用于控制锁相环以调整时钟信号的频率的控制电路,以便对该时钟信号执行超频操作 元素。 该方法包括以下步骤:增加第一时钟信号的频率,直到其中一个元件由于第一时钟信号的最大频率而不能正常工作; 根据第一时钟信号的安全频率,复位所有元件并对与第一信号相对应的元件进行操作; 并重复上述步骤对每个其他元件执行超频操作。
    • 10. 发明授权
    • Delaying stage selecting circuit and method thereof
    • 延迟阶段选择电路及其方法
    • US07583124B2
    • 2009-09-01
    • US12019645
    • 2008-01-25
    • Tung-Chen KuoMing-Chun Chang
    • Tung-Chen KuoMing-Chun Chang
    • H03H11/26
    • H03K5/131H03K5/133H03K2005/00058H03K2005/00234
    • A delaying stage selecting circuit for selecting a specific delaying stage from a plurality of delaying stages, where the delaying stages are for outputting delayed clock signals, includes: a first register for sampling the delayed clock signals according to a clock signal to generate sampled values; first memory units, wherein the first memory units are utilized to memorize the sampled values, and each of first memory unit outputs at least one of the sampled values according to a corresponding first selecting signal; a first selecting unit, for outputting the sampled values according to a second selecting signal; a determining module, for determining if the sampled values meet a specific relation, where if the determination result is positive then determining the particular delaying stage; and a counter for generating a counting value to control the delayed clock signal sampled by the first register.
    • 延迟级选择电路,用于从延迟级用于输出延迟时钟信号的多个延迟级中选择特定的延迟级,包括:第一寄存器,用于根据时钟信号对延迟的时钟信号进行采样以产生采样值; 第一存储器单元,其中第一存储器单元用于存储采样值,并且每个第一存储器单元根据对应的第一选择信号输出采样值中的至少一个; 第一选择单元,用于根据第二选择信号输出采样值; 确定模块,用于确定所述采样值是否满足特定关系,其中如果所述确定结果为正,则确定所述特定延迟级; 以及用于产生计数值以控制由第一寄存器采样的延迟时钟信号的计数器。