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    • 1. 发明授权
    • Enegry-saving keyboard
    • 节省空间的键盘
    • US5585792A
    • 1996-12-17
    • US328077
    • 1994-10-24
    • Jun LiuIoannis Milios
    • Jun LiuIoannis Milios
    • G06F1/32H03K17/00H03M11/20H03K17/94
    • G06F1/3215G06F1/3271H03M11/20H03K2217/0036Y02B60/1257
    • An improved energy-saving keyboard with low parts count accomplishes a sophisticated regime of low-power mode intervals in response to key closures and communications from the computer to which the keyboard is connected. An interrupt pin of the keyboard controller (encoder) prompts the transition from low-power mode to normal mode. The communications from the computer is synchronous communications mediated by a clock line, and the interrupt pin is tied not to the clock line but to the data line of the synchronous channel. The interrupt pin is also tied to a resistor array providing pullup biases to the keyboard matrix; in normal-power mode a discrete output of the encoder forces the common point of the resistor array to a fixed voltage level. In low-power mode, on the other hand, the discrete output is not asserted, and the resistor array is pulled high by a pullup impedance of relatively high resistance to the fixed voltage level. In this way, any key closure at the keyboard triggers the interrupt. LEDs, if lit, are gradually dimmed in the absence of key activity, to conserve electrical power.
    • 具有低零件数量的改进的节能键盘响应于键盘连接到的计算机的关键关闭和通信,实现了低功率模式间隔的复杂方式。 键盘控制器(编码器)的中断引脚提示从低功耗模式转换到正常模式。 来自计算机的通信是由时钟线介导的同步通信,并且中断引脚不连接到时钟线,而是与同步通道的数据线相连。 中断引脚也连接到电阻器阵列,为键盘矩阵提供上拉偏移; 在正常功率模式下,编码器的离散输出将电阻器阵列的公共点强制到固定的电压电平。 另一方面,在低功耗模式下,离散输出不被置位,并且电阻器阵列被拉高到具有相对高的固定电压电阻的上拉阻抗。 以这种方式,键盘上的任何键关闭触发中断。 LED如果点亮,在没有关键活动的情况下逐渐变暗,以节省电力。
    • 7. 发明授权
    • Electrical all-dimensional numerical control injection molding machine
    • 电动全尺寸数控注塑机
    • US09079348B2
    • 2015-07-14
    • US14234408
    • 2012-06-14
    • Jun Liu
    • Jun Liu
    • B29C45/33B29C45/80B29C45/17B29C45/66B29C45/72
    • B29C45/80B29C45/17B29C45/33B29C45/332B29C45/66B29C45/72B29C2045/1792
    • An electric all-dimensional numerical control injection molding machine is applicable to production of injection products with high precision and complex three-dimensional shapes. The machine comprises a machine base, a main board, four sets of electric mould guiding devices, a cross-shaped chute mould assembly, and an injection device assembly. The electric mould guiding devices are mounted on a front face of the machine. A slider mould is disposed in a chute of a cross-shaped mould base, is connected to a shaft of an electric driver, and implements mould opening and closing functions by means of linear movement of the shaft of the electric driver. An injection system of the machine is used for injecting plasticized, fused, and homogenized plastic materials into a mould cavity of the mould.
    • 电动全尺寸数控注塑机适用于高精度,复杂三维形状的注塑产品生产。 该机器包括机座,主板,四组电动模具引导装置,十字形滑道模组件和注射装置组件。 电动模具引导装置安装在机器的前表面上。 滑块模具设置在十字形模座的斜槽中,连接到电动驱动器的轴上,并且通过电动驱动器的轴的线性运动来实现模具打开和关闭功能。 该机器的注射系统用于将塑化,熔化和均质的塑料材料注入模具的模腔中。
    • 8. 发明授权
    • Generating a regulated signal from another regulated signal
    • 从另一个调节信号产生调节信号
    • US09075423B2
    • 2015-07-07
    • US12859478
    • 2010-08-19
    • Liang ZhuJun LiuHai Bo Zhang
    • Liang ZhuJun LiuHai Bo Zhang
    • G05F1/577G05F1/575H02M3/145
    • G05F1/575
    • An embodiment of a method includes generating a regulated output signal from a regulated intermediate signal in response to a reference signal and the regulated output signal, and generating the regulated intermediate signal from an input signal in response to the regulated output signal and the regulated intermediate signal. By generating one regulated signal (e.g., a regulated output voltage) from another regulated signal (e.g., a regulated intermediate voltage), the magnitude of the ripple component of the one regulated signal may be reduced. Furthermore, by generating the regulated intermediate signal in response to the regulated output signal, the efficiency of the regulation may be increased.
    • 一种方法的实施例包括响应于参考信号和调节的输出信号从调节的中间信号产生调节的输出信号,以及响应于调节的输出信号和调节的中间信号从输入信号产生调节的中间信号 。 通过从另一调节信号(例如,调节中间电压)产生一个调节信号(例如,调节输出电压),可以减小一个调节信号的纹波分量的幅度。 此外,通过响应于调节的输出信号产生调节的中间信号,可以提高调节的效率。