High resolution temperature measurement

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United States of America Patent

PATENT NO 8985849
SERIAL NO

13658026

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Abstract

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Temperature is determined by measuring the time it takes to charge a capacitor with a resistive temperature sensor. A clock, time counter, a voltage comparator and voltage reference are used in determining a coarse time measurement. The time measurement resolution is enhanced with the addition of a constant current source charging another timing capacitor within a single clock pulse time to provide a fine time measurement.

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Patent Owner(s)

Patent OwnerAddress
MICROCHIP TECHNOLOGY INCORPORATED2355 WEST CHANDLER BLVD CHANDLER ARIZONA 85224-6199 85224-6199

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bartling, James E Chandler, US 28 531
Wenn, Darren Edward Noel Buckinghamshire, GB 2 6

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