Devices containing logic circuits to generate random signals
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United States of America Patent
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Feb 28, 2006
Grant Date -
Jun 27, 2002
app pub date -
Jun 27, 2001
filing date -
Jun 27, 2000
priority date (Note) -
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Abstract
A device including an oscillator circuit having semiconducting logic elements and switching means for controlling warming and cooling of the circuit and, in that process, causing it to heat or cool in order to generate a random signal at the output of the logic elements. A plurality of devices are for continuously generating random signals, and control elements are for controlling in alternating manner the warming and cooling of the devices.
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