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    • 1. 发明申请
    • FREQUENCY SYNTHESIZER AND FREQUENCY SYNTHESIZING METHOD FOR CONVERTING FREQUENCY'S SPURIOUS TONES INTO NOISE
    • 频率合成器和频率合成方法,用于将频率的声发射转换成噪声
    • US20120229171A1
    • 2012-09-13
    • US13412653
    • 2012-03-06
    • Liming XiuMing-Chieh Lin
    • Liming XiuMing-Chieh Lin
    • H03B21/00
    • G06F1/025G06F1/02G06F1/022G06F1/0328
    • One of the advantages of direct frequency synthesis technique (e.g., flying-adder architecture) is its capability of generating arbitrary frequency by utilizing the time-average-frequency concept. In the clock output of the direct frequency synthesizer, instead of one type of cycle, there are two types of cycles. Unlike the conventional one-type-cycle clock wherein clock energy is concentrated at its designed frequency, Time-Average-Frequency based clock spreads some of its energy into spurious tones, which could be harmful to certain applications. The spurious tones are caused by the periodic carry sequence generated from a fractional part accumulator inside the frequency synthesizer. The invention suggests a method and an apparatus to break this periodicity and convert the spurious tones into broadband noise.
    • 直接频率合成技术(例如飞行加法器结构)的优点之一是其通过利用时间平均频率概念产生任意频率的能力。 在直接频率合成器的时钟输出中,代替一种类型的周期,有两种类型的周期。 与其中时钟能量集中在其设计频率的常规单周期时钟不同,基于时间 - 平均频率的时钟将其一些能量扩展到伪噪声,这可能对某些应用有害。 伪噪声是由频率合成器内的分数分量累加器产生的周期性进位序列引起的。 本发明提出了一种破坏这种周期性并将伪噪声转换成宽带噪声的方法和装置。
    • 2. 发明申请
    • INTERPOLATION CIRCUIT
    • 插值电路
    • US20120187999A1
    • 2012-07-26
    • US13044566
    • 2011-03-10
    • Ming-Chieh Lin
    • Ming-Chieh Lin
    • G06G7/12
    • G06F7/544
    • An interpolation circuit adapted to receive a plurality of inputs is provided. The inputs include a first input group and a second input group. The interpolation circuit includes a first selecting channel, a second selecting channel, and an interpolation unit. The first selecting channel receives the first input group and outputs a first input of the first input group according to a selecting signal. The second selecting channel receives the second input group and the first input and outputs a second input of the second input group according to the selecting signal. The first selecting channel and the second selecting channel respectively output the first input or the second input. The interpolation unit is coupled to the first selecting channel and the second selecting channel, and receives the first input and the second input, and accordingly performs an interpolation to output an interpolation result.
    • 提供了适于接收多个输入的内插电路。 输入包括第一输入组和第二输入组。 插值电路包括第一选择信道,第二选择信道和插值单元。 第一选择通道接收第一输入组,并根据选择信号输出第一输入组的第一输入。 第二选择通道接收第二输入组和第一输入,并根据选择信号输出第二输入组的第二输入。 第一选择通道和第二选择通道分别输出第一输入或第二输入。 插值单元耦合到第一选择通道和第二选择通道,并且接收第一输入和第二输入,并且因此执行插值以输出插值结果。
    • 9. 发明授权
    • Power-saving control circuit and method
    • 省电控制电路及方法
    • US08321609B2
    • 2012-11-27
    • US11612487
    • 2006-12-19
    • Ming-Chieh LinHsieh-Yi Wu
    • Ming-Chieh LinHsieh-Yi Wu
    • G06F3/00
    • G06F1/3203
    • A power-saving control circuit and method suitable for circuits including a first-in-first-out (FIFO) register is provided. In the present invention, a logic circuit is disposed between two circuit modules with data transmitted in between. When there is data input into the FIFO register, the logic circuit activates a clock signal of the circuit module in the receiving end for reading the data. When all the data stored in the FIFO register is read, the clock signal is turned off so that the power consumed by the clock signal is reduced without affecting the data transmitting efficiency and the purpose of power-saving is achieved.
    • 提供一种适用于包括先进先出(FIFO)寄存器的电路的省电控制电路和方法。 在本发明中,逻辑电路设置在两个电路模块之间,其间传输数据。 当数据输入FIFO寄存器时,逻辑电路激活接收端的电路模块的时钟信号,以读取数据。 当读取存储在FIFO寄存器中的所有数据时,时钟信号被关闭,从而在不影响数据传输效率的情况下降低时钟信号消耗的功率,从而达到省电的目的。
    • 10. 发明申请
    • POWER-SAVING CONTROL CIRCUIT AND METHOD
    • 省电控制电路和方法
    • US20080126713A1
    • 2008-05-29
    • US11612487
    • 2006-12-19
    • Ming-Chieh LinHsieh-Yi Wu
    • Ming-Chieh LinHsieh-Yi Wu
    • G06F12/00
    • G06F1/3203
    • A power-saving control circuit and method suitable for circuits including a first-in-first-out (FIFO) register is provided. In the present invention, a logic circuit is disposed between two circuit modules with data transmitted in between. When there is data input into the FIFO register, the logic circuit activates a pulse signal of the circuit module in the receiving end for reading the data. When all the data stored in the FIFO register is read, the pulse signal is turned off so that the power consumed by the pulse signal is reduced without affecting the data transmitting efficiency and the purpose of power-saving is achieved.
    • 提供一种适用于包括先进先出(FIFO)寄存器的电路的省电控制电路和方法。 在本发明中,逻辑电路设置在两个电路模块之间,其间传输数据。 当数据输入到FIFO寄存器中时,逻辑电路在接收端激活电路模块的脉冲信号,以读取数据。 当读取存储在FIFO寄存器中的所有数据时,脉冲信号被关闭,从而在不影响数据传输效率的情况下降低脉冲信号消耗的功率,从而达到省电的目的。