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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 receiver back into an approximation of the original image.
1922: Charles Francis Jenkins' first public demonstration of television principles. A set of static photographic pictures is transmitted from Washington, D.C. to the Navy station NOF in Anacostia by telephone wire, and then wirelessly back to Washington; Philo Farnsworth first describes an image dissector tube, which uses cesium to produce images electronically.
The word television comes from Ancient Greek τῆλε (tele) 'far' and Latin visio 'sight'. The first documented usage of the term dates back to 1900, when the Russian scientist Constantin Perskyi used it in a paper that he presented in French at the first International Congress of Electricity, which ran from 18 to 25 August 1900 during the International World Fair in Paris.
This list should not be interpreted to mean the whole of a country had television service by the specified date. For example, the United States, Great Britain, Germany, and the former Soviet Union all had operational television stations and a limited number of viewers by 1939. Very few cities in each country had television service.
The early days of television introduced hour-long anthology drama series, many of which received critical acclaim. [6] [7] Examples include Kraft Television Theatre (debuted May 7, 1947), The Chevrolet Tele-Theatre (debuted September 27, 1948), Television Playhouse (debuted December 4, 1947), The Philco Television Playhouse (debuted October 3, 1948), Westinghouse Studio One (debuted November 7 ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 11 December 2024. Scottish inventor, known for first demonstrating television (1888–1946) John Logie Baird FRSE Baird in 1917 Born (1888-08-13) 13 August 1888 Helensburgh, Dunbartonshire, Scotland Died 14 June 1946 (1946-06-14) (aged 57) Bexhill, Sussex, England Resting place Baird family grave in ...
In honor of AOL's 35th birthday on May 24, we're taking a look back at some of the company's definitive moments, like history-breaking mergers and record-breaking numbers, and how it shaped the ...
The elements of a simple broadcast television system are: . An image source. This is the electrical signal that represents a visual image, and may be derived from a professional video camera in the case of live television, a video tape recorder for playback of recorded images, or telecine with a flying spot scanner for the transfer of motion pictures to video).