Search results
Results From The WOW.Com Content Network
Television ( TV) is a telecommunication medium for transmitting moving images and sound. Additionally, the term can refer to a physical television set rather than the medium of transmission. Television is a mass medium for advertising, entertainment, news, and sports.
Television set. A television set or television receiver (more commonly called TV, TV set, television, telly, or tele) is an electronic device for the purpose of viewing and hearing television broadcasts, or as a computer monitor. It combines a tuner, display, and loudspeakers. Introduced in the late 1920s in mechanical form, television sets ...
History of television. Family watching TV, 1958. The concept of television is the work of many individuals in the late 19th and early 20th centuries. The first practical transmissions of moving images over a radio system used mechanical rotating perforated disks to scan a scene into a time-varying signal that could be reconstructed at a ...
The technology of television has evolved since its early days using a mechanical system invented by Paul Gottlieb Nipkow in 1884. Every television system works on the scanning principle first implemented in the rotating disk scanner of Nipkow. This turns a two-dimensional image into a time series of signals that represent the brightness and ...
t. e. Digital television ( DTV) is the transmission of television signals using digital encoding, in contrast to the earlier analog television technology which used analog signals. At the time of its development it was considered an innovative advancement and represented the first significant evolution in television technology since color ...
Television is one of the major mass media outlets in the United States. In 2011, 96.7% of households owned television sets; [1] about 114,200,000 American households owned at least one television set each in August 2013. [2] Most households have more than one set. The percentage of households owning at least one television set peaked at 98.4% ...
Released the Macintosh TV in 1993 Arcam: 2011 present Arise India: 2012 present AGA AB: 1952 - Audiovox - - Now Voxx International: AWA: 1956 1974 Baird: 1926 1980 made the first TVs, brand name after 1956 Bang & Olufsen: 1950 (prototype) present Beko - - BenQ - - Binatone - - Blaupunkt - - BPL Group: 1980 present Brionvega: 1947 1956 Bush ...
One of the earliest electronic displays is the cathode-ray tube (CRT), which was first demonstrated in 1897 and made commercial in 1922. [1] The CRT consists of an electron gun that forms images by firing electrons onto a phosphor -coated screen. The earliest CRTs were monochrome and were used primarily in oscilloscopes and black and white ...