Cameras that gauge depth could open up a range of applications, from ­gesture-­interpreting computer interfaces to 3-D robot vision. With the DeepC chipset, manufacturers could soon give any camera depth-sensing capabilities. DeepC works with an emitter and detector of infrared light, controlling the camera's shutter so precisely that little light reflected by distant objects reaches the detector before the shutter closes. More light makes it back from nearby objects, allowing the chip to gauge their distance.

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