LC shutter glasses
A type of 3D glasses that uses liquid crystals in the lenses that momentarily shut off the viewing path from the eye to the screen. An emitter near the screen transmits infrared signals to the shutter glasses, causing the left or right lens to open in synchronization with the stereo frame rendered at that moment in time. Also called "active shutter glasses," "shutter glasses" and "wireless glasses," LC shutter glasses are used with 3D computers and 3D TVs.No Flicker, No Ghosting and Real Colors
LC shutter glasses are perhaps the best method for viewing 3D content. At refresh rates of 120 frames per second (true 120 Hz), each eye sees 60 flicker-free frames per second. Shutter glasses eliminate the ghosting perceived with polarized methods, and since colors are not being filtered out as in the anaglyph method, the viewer sees the full color spectrum. For more details, see 3D glasses and 3D visualization.
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| Synchronize 120 Times Per Second |
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| NVIDIA's 3D Vision system alternates 60 frames for the left eye with 60 frames for the right. The infrared signals received by NVIDIA's shutter glasses cause the lenses to open and close in sync with the frames on screen. (Image courtesy of NVIDIA Corporation.) |
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