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3D TV

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by

Emily Ott

on 5 May 2010

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Transcript of 3D TV

3D TV 1844- a Scottish inventor, David Brewster, introduced the stereoscope the Stereoscope was a device that could capture three-dimensional images •1921 The American inventor Philo. T Farnsworth conceived a form of electronic television 1928- The first color television was made in Scotland Commercial television was not even popular in the U.S. yet 1940- Broadcasts and TV shows worked hard to create a national audience 1940-the quality of color TVs began improving tremendously 1950- TV became extremely popular 1972- more than half of u.s. homes
had color televisions 2009- all analong signals were repalced by digital tv signals 2008 and 2009- 3d movies were a huge hit 2010- 3D TVs finally came out 3D imaging dates back to the beginning of photography
•3D television- is a television that employs techniques of 3D presentation, such as stereoscopic capture, multi-view capture, or 2D plus depth and a 3D display •3D episodes became moderately popular in the late 1990s when several shows in the United States used the technique to attract viewers and increase ratings They say that it allows you to “Enjoy eye-popping effects without leaving your couch” •Panasonic, Sony and Samsung all released home-theater setups that can display 3-D movies in full high-def glory To get the full 3-D effect, you must use a combination of capable 3-D Blu-ray players, TVs and glasses Experts say that within the next couple of years, they could bring live events, like the Super Bowl, right to your TV in high-def, 3-D We see depth when images from our left and right eyes merge into one To re-create that in high def, TVs must refresh the picture at least 120 times a second with alternating frames for the left and right eye This then tricks your brain into only seeing one image Active-shutter glasses rapidly block one eye at a time so that each eye only sees the frame meant for it The glasses contain two small, black and clear LCD lenses that darken or lighten when a radio or infrared pulse from the TV signals that the image is changing The lowest-priced 3D TV that is currently on the market is a 50-inch Panasonic plasma, at $2,500 Lower-priced models are due soon, including a 46" $1,700 LCD and an $1,800 50" plasma TV from Samsung Although the cost is high for all the supplies needed to get the 3D effect, most viewers are willing to pay the price 3D imaging is expected to beocome more popular as technology keeps improving THE END
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