Photo: PhoneArena.
Sony's new 3D sensor will use laser signals, measuring the time it takes for a pulse to bounce back to create a map of the depth of the surroundings, which can operate within a distance of 5 meters. It works similar to the way bats identify the environment, make sounds and hear echoes. In this way, 3D sensors can create a more detailed model of the user's face, helping to improve the security of the device.
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