Power control method, distance measuring module and electronic device
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United States of America Patent
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Aug 25, 2020
Grant Date -
Feb 28, 2019
app pub date -
Jan 12, 2018
filing date -
Aug 25, 2017
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Abstract
The present application provides a power control method, applied in a distance measuring module comprising a light emitting unit. The power control method comprises steps of the light emitting unit emitting an incident light by a first emitting power in a first time; receiving a reflected light corresponding to the incident light; determining a distance between the distance measuring module and a target according to the reflected light; and adjusting an emitting power of the light emitting unit according to the distance.
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