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2. Mirror TV - Wikipedia

   en.wikipedia.org/wiki/Mirror_TV

   A mirror TV consists of special semi-transparent mirror glass with an LCD TV behind the mirrored surface. The mirror is carefully polarized to allow an image to transfer through the mirror, such that when the TV is off, the device looks like a mirror. [2] [3] Placement of a mirror TV is important to ensure both good mirror reflection and ...

3. Ceiling projector - Wikipedia

   en.wikipedia.org/wiki/Ceiling_projector

   The ceiling projector or cloud searchlight is used to measure the height of the base of clouds (called the ceiling) above the ground. It is used in conjunction with an alidade, usually positioned 1000 ft (300 m) away and wherever possible set at the same level. The projector is normally set at 90°, although 71° 31' may be used, in relation to ...

4. Projection screen - Wikipedia

   en.wikipedia.org/wiki/Projection_screen

   Projection screens may be permanently installed on a wall, as in a movie theater, mounted to or placed in a ceiling using a rollable projection surface that retracts into a casing (these can be motorized or manually operated), painted on a wall, [1] or portable with tripod or floor rising models as in a conference room or other non-dedicated ...

5. Rear-projection television - Wikipedia

   en.wikipedia.org/wiki/Rear-projection_television

   Modern color rear-projection television had become commercially available in the 1970s, [15] [16] [17] but at that time could not match the image sharpness of a direct-view CRT. Early 2000s CRT projection TV with 1080i HD ready capabilities has an RCA line level input for use of internal speakers as a center channel in a surround sound system.

6. Large-screen television technology - Wikipedia

   en.wikipedia.org/wiki/Large-screen_television...

   A 140 cm (56 in) DLP rear-projection TV Large-screen television technology (colloquially big-screen TV) developed rapidly in the late 1990s and 2000s.Prior to the development of thin-screen technologies, rear-projection television was standard for larger displays, and jumbotron, a non-projection video display technology, was used at stadiums and concerts.

7. RealD 3D - Wikipedia

   en.wikipedia.org/wiki/RealD_3D

   RealD 3D is a digital stereoscopic projection technology made and sold by RealD. It is currently the most widely used technology for watching 3D films in theaters. [ 1 ] Worldwide, RealD 3D is installed in more than 26,500 auditoriums by approximately 1,200 exhibitors in 72 countries as of June 2015.