Television, sometimes shortened to TV, is a telecommunication medium for transmitting moving images and sound.
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Television, sometimes shortened to TV, is a telecommunication medium for transmitting moving images and sound.
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TV published an article on "Motion Pictures by Wireless" in 1913; transmitted moving silhouette images for witnesses in December 1923; and on 13 June 1925 publicly demonstrated synchronized transmission of silhouette pictures.
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TV managed to display simple geometric shapes onto the screen.
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TV's solution was a camera tube that accumulated and stored electrical charges within the tube throughout each scanning cycle.
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TV demonstrated the same system using monochrome signals to produce a 3D image .
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The new ATV standard allowed the new DTV signal to be based on entirely new design principles.
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The abbreviation CATV is sometimes used for cable television in the United States.
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Television set, called a television receiver, television, TV set, TV, or "telly", is a device that combines a tuner, display, an amplifier, and speakers for the purpose of viewing television and hearing its audio components.
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Major TV manufacturers announced the discontinuation of CRT, DLP, plasma and fluorescent-backlit LCDs by the mid-2010s.
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Low-definition television or LDTV refers to television systems that have a lower screen resolution than standard-definition television systems such 240p .
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The most common source of LDTV programming is the Internet, where mass distribution of higher-resolution video files could overwhelm computer servers and take too long to download.
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Standard-definition television or SDTV refers to two different resolutions: 576i, with 576 interlaced lines of resolution, derived from the European-developed PAL and SECAM systems; and 480i based on the American National Television System Committee NTSC system.
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SDTV is a television system that uses a resolution that is not considered to be either high-definition television or enhanced-definition television .
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In North America, digital SDTV is broadcast in the same 4:3 aspect ratio as NTSC signals with widescreen content being center cut.
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Some TV channels are partly funded from subscriptions; therefore, the signals are encrypted during broadcast to ensure that only the paying subscribers have access to the decryption codes to watch pay television or specialty channels.
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British Broadcasting Corporation's TV service carries no television advertising on its UK channels and is funded by an annual television licence paid by the occupiers of premises receiving live telecasts.
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