Methods and apparatus for pulse-width modulation that use a counter and a modulus device

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United States of America Patent

PATENT NO 5377346
SERIAL NO

07534382

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Abstract

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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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Patent Owner(s)

Patent OwnerAddress
NEC ELECTRONICS INC A DE CORP401 ELLISW STREET MOUNTAIN VIEW CA 94039

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Williams, Stephen R Los Gatos, CA 17 467

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