New Apple Patent From PrimeSense Covers Kinect-Style 3D Space Mapping


Apple has begun to transfer intellectual property over from PrimeSense, the Israeli firm it acquired last year. The company was a key partner to Microsoft, which licensed its tech to create the Kinect 3D motion sensing camera, which allows users to interact with Xbox and PC via gesture control. This first patent being reassigned from PrimeSense to Apple (via 9to5Mac) covers some of the basics around the light projection and optical components of a 3D mapping sensor system.

The patent describes in detail the optical projection system required to emit a light pattern on objects, which is then recorded as it falls across objects in 3D space. The resulting pattern distortion can be interpreted by an optical sensor, and then used to map 3D space based on the angle and degree of distortion. The pattern is highly sensitive to variation, as it first determines a baseline against which to…

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