Portable data device efficiently utilizing its available power and method thereof
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United States of America Patent
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Oct 15, 2002
Grant Date -
Jul 25, 2002
app pub date -
Jan 19, 2001
filing date -
Jan 19, 2001
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A portable data device (400) having a power controller (430), a clock generator (428) and a digital circuit (432). The power controller (430) has an output signal. The output signal is representative of available power. The clock generator (428) is coupled to the output signal of the power controller (430) for generating a variable clock rate corresponding to the output signal. The digital circuit (432) is coupled to the clock generator (428), and the digital circuit (432) is controlled by the variable clock rate.
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