Ceiling-mounted projectors use radio signals rather than IR (see RF shutter glasses). By supporting 120 frames per second (fps), active 3D glasses deliver the full resolution at 60 fps to both eyes.
A 3D TV set that separates the stereoscopic images by synchronizing the left and right frames with liquid crystal (LC) shutter glasses. For details, see active 3D. THIS DEFINITION IS FOR PERSONAL ...
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