This is why Apple might be looking at time-of-flight sensors for the next generation

An exciting report from Bloomberg suggests Apple is going to be deploying some new tech to accomplish more advanced depth sensing in the next iPhone. From the story: The existing system relies on a structured-light technique that projects a pattern of 30,000 laser dots onto a user’s face and measures the distortion to generate an accurate 3-D image for authentication.

This article: 

This is why Apple might be looking at time-of-flight sensors for the next generation