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    • 33. 发明授权
    • Microprocessor operating at high and low clok frequencies
    • 微处理器工作在高低低频率
    • US5774701A
    • 1998-06-30
    • US500227
    • 1995-07-10
    • Shigezumi MatsuiMitsuyoshi YamamotoShinichi YoshiokaSusumu NaritaIkuya KawasakiSusumu KanekoKiyoshi Hasegawa
    • Shigezumi MatsuiMitsuyoshi YamamotoShinichi YoshiokaSusumu NaritaIkuya KawasakiSusumu KanekoKiyoshi Hasegawa
    • G06F1/08G06F1/04
    • G06F1/08
    • A microprocessor incorporating a PLL circuit using a clock pulse having a relatively low frequency as an input clock signal of a reference frequency to form an oscillating pulse of a relatively high frequency by multiplying the input clock signal. In the microprocessor, the operation of the PLL circuit is stopped in the low-speed mode to supply the clock pulse of the relatively low frequency to the microprocessor as a system clock signal, and, in the high-speed mode, the PLL circuit is activated upon reception of an event requiring high-speed processing. Until the operation of the PLL circuit is stabilized and the request for high-speed processing comes, the above-mentioned clock pulse having the relatively low frequency is kept supplied continuously to the microprocessor as the system clock signal. This novel setup permits the high-speed switching of the microprocessor from the operating mode to the high-speed operating mode. Accordingly, the microprocessor may be kept operating until the output frequency of the PLL circuit is stabilized, thereby allowing the microprocessor to cope with an unpredictable situation such as the occurrence of a priority event or a failure.
    • 一种微处理器,其使用具有相对较低频率的时钟脉冲的PLL电路作为参考频率的输入时钟信号,以通过乘以输入时钟信号来形成相对高频率的振荡脉冲。 在微处理器中,PLL电路的操作在低速模式下停止,以较低频率的时钟脉冲作为系统时钟信号供给微处理器,在高速模式下,PLL电路为 在接收到需要高速处理的事件时被激活。 直到PLL电路的操作稳定并且高速处理的请求到来之前,具有较低频率的上述时钟脉冲作为系统时钟信号被连续地提供给微处理器。 这种新颖的设置允许微处理器从操作模式到高速操作模式的高速切换。 因此,微处理器可以保持工作,直到PLL电路的输出频率稳定,从而允许微处理器处理诸如发生优先事件或故障的不可预知的情况。
    • 34. 发明授权
    • Apparatus and method for measurement of tapped hole
    • 螺纹孔测量装置及方法
    • US5653037A
    • 1997-08-05
    • US558401
    • 1995-11-16
    • Kiyoshi HasegawaHidehiro ManabeRyuji Fukada
    • Kiyoshi HasegawaHidehiro ManabeRyuji Fukada
    • G01K13/10G01B13/10
    • G01K13/10G01B13/10G01B5/204Y10S33/02
    • A tapped hole measuring apparatus available for automatically measuring the major diameter, minor diameter, effective diameter and depth of a tapped hole. The apparatus comprises a measuring stylus with at least two air discharging ports which can take inserting movement into the tapped hole. The apparatus separately measures the variations of the back pressures of air supplied to the air discharging ports, and converts the back pressure variations into electric signals and stores them. Also included in the apparatus is a configuration calculating section for comparing the variation of the electric signal from the tapped hole with a variation of electric signal from a reference tapped hole to obtain the configurational dimensions of the tapped hole being measured.
    • 螺纹孔测量装置可用于自动测量螺纹孔的长径,小直径,有效直径和深度。 该装置包括具有至少两个空气排放口的测量笔,其可以将插入的运动插入到螺纹孔中。 该装置分别测量供给到排气口的空气的背压的变化,并将背压变化转换为电信号并将其存储。 装置中还包括一个配置计算部分,用于将来自螺纹孔的电信号的变化与来自参考螺纹孔的电信号的变化进行比较,以获得所测量的螺纹孔的结构尺寸。