SENSING DEVICE
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United States of America Patent
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Issued Date -
Nov 10, 2016
app pub date -
Oct 26, 2015
filing date -
Jan 5, 2015
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Abstract
A sensing device includes a protective layer and a sensing module. The sensing module is disposed under the protective layer. The protective layer is made of an isotropic dielectric material with a high dielectric constant. When a user's finger is placed on the protective layer, the sensing module acquires an information about the user's finger according to a capacitive coupling effect between the sensing module and the user's finger.
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