Sunday, March 04, 2012

Casio Depth Sensing

Casio depth sensing patent application US20120050713 describes quite a similar idea to Microsoft's et. al double helical proposal. Differently from Microsoft, Casio uses two projectors 121 and 122 with diffractive patterns 131 and 132:

The projectors light beams generate the distance-dependent rotating pattern similar of Microsoft's one:

The angle between the dots gives depth information to the sensor 140.

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