Thin film acousto-optic structured light generator
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United States of America Patent
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Sep 10, 2019
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N/A
app pub date -
May 18, 2017
filing date -
May 18, 2017
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Abstract
A depth camera assembly (DCA) includes a structured light generator, an imaging device and a controller. The structured light generator illuminates a local area with one or more structured light patterns in accordance with emission instructions from the controller. The structured light generator comprises an illumination source, thin film acousto-optic device(s), and a projection assembly. The thin film acousto-optic device(s) generate a structured light pattern from optical beam(s) emitted from the illumination source. The projection assembly projects the structured light pattern(s) into the local area. The imaging device captures portions of the one or more structured light patterns scattered or reflected from the local area. The controller determines depth information for the local area based at least in part on the captured portions of the one or more scattered or reflected structured light patterns.
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