Accordingly, a general object of the present inven tion is to provide an improved random
number genera tor which outputs random numbers that meet a speci fied degree of …

4'176'399 11/1979 Hoffmann et al 364/717 noise tail. A CMOS comparator With a 10
nanosecond rise 4'183'088 1/1980 Simmons _____' 364/717 time converts the analog …

G06F 7/58(2006.01)(57) ABSTRACT GIC II/47(2006.01) GITC 7/10(2006.01) One feature
pertains to a true random number generator that (52) US Cl. utilizes the settling time of a bit …

(57) ABSTRACT A random number generating apparatus which is Suitable for
miniaturization and which can easily generate binary ran dom numbers that are …

A supplied analog signal is modulated by comparing the supplied analog signal with a noise
signal. As a result of each comparison, an output signal is generated having a first value if …

Related US Application Data(57) ABSTRACT (62) Division of application No. 10/173,520,
filed on Jun. An RNG circuit is connected to the parallel port of a com 17, 2002, now Pat. No …

The present invention is a method and circuit for gener ating a random bit stream by
amplification of thermal noise in a CMOS process. In a preferred embodiment of the …

A random bit stream generator and method including a regulated current source for
generating a noise signal, an amplifier coupled to the regulated source for producing an …

A method and apparatus for reducing the introduction of alias frequencies in the processing
of signals. A sequence of jittered pulses is provided, each pulse occurring during one of a …

For generating random numbers, the output of a random pulse generator having a
radioactive source is monitored and the number of decay events detected counted over a …