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What is a proximity sensor on a cell phone 2024?
mobile phones proximity sensors sensing
Questioner：Amelia Brown 2023-04-20 01:32:11
The most authoritative answer in 2024
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James Martinez——Works at Facebook, Lives in Menlo Park, CA
Today, mobile phones use IR-based proximity sensors to detect the presence of a human ear. This sensing is done for two purposes: Reduce display power consumption by turning off the LCD backlight and to disable the touch screen to avoid inadvertent touches by the cheek.read more >>+119962023-04-27 01:32:11
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