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Digital Cable >> 3DTV >> How do the 3D glasses work?

Question:

How do the 3D glasses work?

Answer:

Most of today’s 3D-ready HDTVs use active shutter glasses and they will only work for the HDTVs they are intended for. The glasses run on batteries and sync with the HDTV through either an infrared or Bluetooth signal. As a 3D movie/channel is playing, one frame on the screen will display content for the left eye and the other frame will display content for the right eye. Amazingly, within one second, the screen will produce 120 or 240 alternating frames to create a 3D effect.

 

To receive 3D On Demand service, a 3D TV purchased after March 2010, compatible 3D glasses, Digital Cable, remote and an HD or HD DVR set-top box are required. The compatible HD converter must be connected to your 3DTV via an HDMI cable only (HDMI adapters, including DVI to HDMI are not compatible) and viewer must wear glasses that are compatible with their 3D TV. Some services are not available to CableCARD customers. Not all equipment supports all services. DVR service is an optional service available for an incremental charge. Subject to change without notice. Not available in all areas. Some restrictions apply. Time Warner Cable is a trademark of Time Warner Inc. Used under license. All other trademarks remain the property of their respective owners.


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