Low current microcontroller circuit
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United States of America Patent
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Jun 1, 2010
Grant Date -
Jan 22, 2009
app pub date -
Mar 3, 2008
filing date -
Jul 11, 2002
priority date (Note) -
Expired
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Abstract
A method and system for accurate timing in a low current system useful in fuzing applications generates a first count of oscillations of an oscillator of unknown frequency during a first period of unknown duration. A second count of oscillations of the oscillator is generated during a second period of a known duration. The duration of the first period is calculated based on the first count and the second count. A solid-state, thin-film battery is able to be used by virtue of low-current characteristics of the system, enabling extended shelf life for fuzing systems.
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