Electronic device and fingerprint recognition method
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United States of America Patent
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Jun 6, 2017
Issued Date -
N/A
app pub date -
Apr 10, 2015
filing date -
May 30, 2014
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Abstract
An electronic device and fingerprint recognition method are provided. The electronic device includes a housing, a lens protection cover, a processing unit, an image capturing unit, a light-source sensor and a visible light source module. The lens protection cover is installed on the housing. The light-source sensor is configured to detect external light which comes into the electronic device through the lens protection cover. The processing unit determines whether the detected external light is less than a threshold. The visible light source module is configured to generate visible light. When the detected external light is less than the threshold, the processing unit activates the visible light source module to generate the visible light, and activates the image capturing unit to capture a fingerprint image of a user's finger which is put on the lens protection cover for fingerprint recognition.
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