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Television screen : ウィキペディア英語版
Television set

A television set, also called a television receiver, television, TV set, TV, or telly, is a device that combines a tuner, display, and loudspeakers for the purpose of viewing television. Introduced in the late 1920s in mechanical form, television sets became a popular consumer product after World War II in electronic form, using cathode ray tubes. The addition of color to broadcast television after 1953 further increased the popularity of television sets in the 1960s, and an outdoor antenna became a common feature of suburban homes. The ubiquitous television set became the display device for the first recorded media in the 1970s, such as VHS and later DVD. It was also the display device for the first generation of home computers (e.g., Timex Sinclair 1000) and video game consoles (e.g., Atari) in the 1980s. In the 2010s flat panel television incorporating liquid-crystal displays, especially LED-backlit LCD displays, largely replaced cathode ray tubes and other displays.〔http://www.displaysearch.com/cps/rde/xchg/displaysearch/hs.xsl/140415_lcd_tv_growth_improving_as_plasma_and_crt_tv_disappear.asp〕〔http://www.cnet.com/news/rip-rear-projection-tv/〕
〔http://www.cepro.com/article/mitsubishi_drops_dlp_displays_goodbye_rptvs_forever/〕
〔(LG's Exit May Herald End of Plasma TVs - Tom's Guide )〕
〔http://www.datadisplay-group.com/fileadmin/pdf/produkte/EOL_PCN/EOL_notice_customer_CCFL_reflector120711.pdf〕 Modern flat panel TVs are typically capable of high-definition display (720p, 1080i, 1080p) and can also play content from a USB device.
==History==

(詳細はMechanical televisions were commercially sold from 1928 to 1934 in the United Kingdom,〔(Early British Television: Baird ), Television History: The First 75 Years.〕 United States, and Soviet Union.〔(Pre-1935 ), Television History: The First 75 Years. The French model shown does not appear to have entered production.〕 The earliest commercially made televisions were radios with the addition of a television device consisting of a neon tube behind a mechanically spinning disk with a spiral of apertures that produced a red postage-stamp size image, enlarged to twice that size by a magnifying glass. The Baird "Televisor" (sold in 1930–1933 in the UK) is considered the first mass-produced television, selling about a thousand units.〔(Pre-1935 Baird Sets: UK ), Television History: The First 75 Years.〕
The first commercially made electronic televisions with cathode ray tubes were manufactured by Telefunken in Germany in 1934,〔(Telefunken ), Early Electronic TV Gallery, Early Television Foundation.〕〔(1934–35 Telefunken ), Television History: The First 75 Years.〕 followed by other makers in France (1936),〔(1936 French Television ), Television History: The First 75 Years.〕 Britain (1936),〔(1936 Baird T5 ), Television History: The First 75 Years.〕 and America (1938).〔(Communicating Systems, Inc. ), Early Electronic TV Gallery, Early Television Foundation.〕〔(America's First Electronic Television Set ), Television History: The First 75 Years.〕 The cheapest model with a 12-inch (30 cm) screen was $445 ().〔(American TV Prices ), Television History: The First 75 Years.〕 An estimated 19,000 electronic televisions were manufactured in Britain, and about 1,600 in Germany, before World War II. About 7,000–8,000 electronic sets were made in the U.S.〔(Annual Television Sales in USA ), Television History: The First 75 Years.〕 before the War Production Board halted manufacture in April 1942, production resuming in August 1945. Television usage in the western world skyrocketed after World War II with the lifting of the manufacturing freeze, war-related technological advances, the drop in television prices caused by mass production, increased leisure time, and additional disposable income. While only 0.5% of U.S. households had a television in 1946, 55.7% had one in 1954, and 90% by 1962.〔(Number of TV Households in America ), Television History: The First 75 Years.〕 In Britain, there were 15,000 television households in 1947, 1.4 million in 1952, and 15.1 million by 1968. By the late 1960s and early 1970s, color television had come into wide use. In Britain, BBC1, BBC2 and ITV were regularly broadcasting in colour by 1969.〔http://www.dailymail.co.uk/news/article-1328760/Britains-oldest-colour-TV-going-strong-42-years-on.html〕
During the first decade of the 21st century, CRT "picture tube" display technology was almost entirely supplanted worldwide by flat panel displays. By the early 2010s, LCD TVs, which increasingly used LED-backlit LCD displays, accounted for the overwhelming majority of television sets being manufactured.〔〔




抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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