Phones can have laser time-of-flight auto-focus

Ams is claiming operation through smudged and dirty glass for a miniature time-of-flight auto-focus sensor intended for phones. “TMF8801 maintains high accuracy through use of its on-chip histogram processing”, according to the firm. It comes in a  a 2.2 x 3.6 x 1.0mm package and works at ranges from 20mm to 2.5m Inside is an ...

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