Color TV refers to the technology of television signal radiodifusão and respective playback of moving images the colors. In basic form, the memory difusão can be created by the combined emission of three monochrome images, one on each side of red, green and blue (RGB). When in quick succession, these colors are mixed to produce a heart as assessed by the sense of vision of people. One of the great technical challenges in the introduction of memory was a desire to reduce the high bandwidth, three times the Standard collet for television to black and white to something more acceptable not to use most of the radio spectrum . After investigations, the NTSC codificação introduced a system of memory information separately from the brightness, and reduced the resolution of color information to conserve bandwidth. Introduced in the United States in the 1950s, only a few years after emissions are black and white Standard collet, the high prices of televisions and the lack of material to take advantage of new technology made by its acceptance in the market. Only in the late 1960s is that the color televisions began to impose on the market, mainly due to the Porta-Color system of General Electric in 1966. In the decade following the color TVs were the most common, having been the padronização the system. In Europe, the PAL system padronização only be made in the 1960s, and the broadcasts began in 1967. By this time many of the problems with older TVs and were determined, and the disclosure of the color system in Europe was quite fast. In more recent shift to purely digital systems in the U.S. difusão did finish the compatibility of older TVs that lasted nearly 60 years. Reutilization of the present article (modified or copied) is only encourager with the Conditions of Adding a link to this page and to keep the same license.

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