Temperature compensation for transparent force sensors

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United States of America Patent

PATENT NO 9851845
APP PUB NO 20160048266A1
SERIAL NO

14793987

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Abstract

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An optically transparent force sensor element compares a force reading from a first strain-sensitive film element with a second strain-sensitive film element, having a compliant and thermally conductive intermediate layer positioned therebetween to compensate for temperature changes. While in the idle state, the optically transparent force sensor can be periodically calibrated to account for additional changes in temperature.

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Patent Owner(s)

  • APPLE INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Agarwal, Manu Cupertino, US 27 468
Smith, John S Cupertino, US 20 816

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