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    • 98. 发明授权
    • Thermal noise random pulse generator and random number generator
    • 热噪声随机脉冲发生器和随机数发生器
    • US06542014B1
    • 2003-04-01
    • US09830927
    • 2001-05-02
    • Takeshi Saito
    • Takeshi Saito
    • H03K384
    • G06F7/588
    • A random number generator has a simple configuration using know inexpensive electronic parts and can generate the true physical random numbers at a required generation speed. Such a random number generator can provide the true physical random numbers to any sectors of society at dramatically low cost A random pulse generator comprises a thermal noise generating element (2) having a resistor, a conductor or a semiconductor such as a diode adapted to generate thermal noises Hen no electric current is supplied to them, an analog-amplifier circuit for amplifying the irregular potential generated from the thermal noise generating element and a waveform shaping circuit (6) adapted to take out the output of the amplifier circuit as random rectangular pulse signals. A thermal noise random number generator comprises, in addition to the above components, an n-bit counter (n being an integer) for measuring the time interval between a random pulse signal output from the waveform shaping circuit (6) and the immediately succeeding random pulse signal and is adapted to output the count of the n-bit counter as natural random number.
    • 随机数发生器具有使用已知廉价电子部件的简单配置,并且可以以所需的生成速度生成真实的物理随机数。 这样的随机数发生器可以以极低的成本向社会的任何部门提供真实的物理随机数。随机脉冲发生器包括具有电阻器,导体或半导体的热噪声产生元件(2),二极管适用于产生 热噪声Hen没有电流供给,用于放大从热噪声产生元件产生的不规则电位的模拟放大器电路和适于将放大器电路的输出取出为随机矩形脉冲的波形整形电路(6) 信号。 除了上述部件之外,热噪声随机数发生器还包括用于测量从波形整形电路(6)输出的随机脉冲信号与紧随其后的随机的时间间隔之间的时间间隔的n位计数器(n为整数) 脉冲信号,并且适于将n位计数器的计数作为自然随机数输出。