Methods and apparatus pulse-width modulation that use a counter and a modulus device
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United States of America Patent
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Nov 28, 1995
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N/A
app pub date -
May 31, 1994
filing date -
Jun 6, 1990
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Abstract
Methods are provided for generating a square wave of variable duty cycle using a microprocessor and an interval timer. The duty cycle can be changed without changing the period. The duty cycle is changed on a rising or a falling edge of the signal as desired.
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