Circuits for increasing the reliability of an iontophoretic system
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United States of America Patent
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May 7, 2002
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N/A
app pub date -
May 20, 1999
filing date -
May 20, 1999
priority date (Note) -
Expired
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Abstract
Circuits are provided for increasing the reliability of an iontophoretic drug delivery system. Such circuits detect the failure of a crystal oscillator of the system, the failure of a voltage reference of the system, or the impending failure of a battery power source of the system.
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