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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. The medium is capable of more than "radio broadcasting," which refers to an audio signal sent to radio receivers.
John Logie Baird was a Scottish inventor, electrical engineer, and innovator who demonstrated the world's first live working television system on 26 January 1926. He went on to invent the first publicly demonstrated colour television system and the first viable purely electronic colour television picture tube.
Color television or colour television is a television transmission technology that includes color information for the picture, so the video image can be displayed in color on the television set. It improves on the monochrome or black-and-white television technology, which displays the image in shades of gray (grayscale). Television broadcasting stations and networks in most parts of the world upgraded from black-and-white to color transmission between the 1960s and the 1980s. The invention of color television standards was an important part of the history and technology of television.
The year 1967 in television involved some significant events. Below is a list of television-related events in 1967.
The year 1957 in television involved some significant events. Below is a list of television-related events during 1957.
The year 1951 in television involved some significant events. Below is a list of television-related events during 1951.
The year 1946 in television involved some significant events. Below is a list of television-related events during 1946. The number of television programming was increasing after World War II.
BBC One is a British free-to-air public broadcast television channel owned and operated by the BBC. It is the corporation's oldest and flagship channel, and is known for broadcasting mainstream programming, which includes BBC News television bulletins, primetime drama and entertainment, and live BBC Sport events.
RTÉ2 is an Irish free-to-air television channel operated by public service broadcaster RTÉ. It was launched on 2 November 1978 as the Republic of Ireland's second television channel, at which point the preexisting channel was renamed RTÉ 1 .RTE2
BBC Television is a service of the BBC. The corporation has operated a public broadcast television service in the United Kingdom, under the terms of a royal charter, since 1927. It produced television programmes from its own studios from 1932, although the start of its regular service of television broadcasts is dated to 2 November 1936.
This is a timeline of the history of the British Broadcasting Corporation.
Television in Australia began experimentally as early as 1929 in Melbourne with radio stations 3DB and 3UZ, and 2UE in Sydney, using the Radiovision system by Gilbert Miles and Donald McDonald, and later from other locations, such as Brisbane in 1934.
Mechanical television or mechanical scan television is an obsolete television system that relies on a mechanical scanning device, such as a rotating disk with holes in it or a rotating mirror drum, to scan the scene and generate the video signal, and a similar mechanical device at the receiver to display the picture. This contrasts with vacuum tube electronic television technology, using electron beam scanning methods, for example in cathode-ray tube (CRT) televisions. Subsequently, modern solid-state liquid-crystal displays (LCD) and LED displays are now used to create and display television pictures.
The broadcasting of sports events is the live coverage of sports as a television program, on radio, and other broadcasting media. It usually involves one and more sports commentators describing events as they happen.
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. Development of television was interrupted by the Second World War. After the end of the war, all-electronic methods of scanning and displaying images became standard. Several different standards for addition of color to transmitted images were developed with different regions using technically incompatible signal standards. Television broadcasting expanded rapidly after World War II, becoming an important mass medium for advertising, propaganda, and entertainment.
Analog high-definition television has referred to a variety of analog video broadcast television systems with various display resolutions throughout history.
Television in Japan was introduced in 1939. However, experiments date back to the 1920s, with Kenjiro Takayanagi's pioneering experiments in electronic television. Television broadcasting was halted by World War II, after which regular television broadcasting began in 1950. After Japan developed the first HDTV systems in the 1960s, MUSE/Hi-Vision was introduced in the 1970s.
The following timeline tables list the discoveries and inventions in the history of electrical and electronic engineering.
This is a timeline of the history of the BBC Television Service, from events preceding its launch in 1936 until its renaming as BBC1 in 1964 upon the launch of BBC2.
References
- ↑ Walton, Mark (July 21, 2016). "Last known VCR maker stops production, 40 years after VHS format launch". Ars Technica. Archived from the original on 2017-05-22. Retrieved 2017-05-22.
- ↑ "VHSビデオ機の生産に幕". 日本経済新聞 電子版 (in Japanese). 14 July 2016.
- ↑ "Queen Elizabeth II's funeral was a farewell production for the ages". The Washington Post. 2022-12-16. Retrieved 2022-10-01.
