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Shepherd's Bush Studios
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. The BBC's domestic television channels have no commercial advertising and collectively they accounted for more than 30% of all UK viewing in 2013. The services are funded by a television licence. As a result of the 2016 Licence Fee settlement, the BBC Television division was split, with in-house television production being separated into a new division called BBC Studios and the remaining parts of television (channels and genre commissioning, BBC Sport and BBC iPlayer) being renamed as BBC Content. History of BBC Television The BBC operates several television networks, television stations (although there is generally very little distincti ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Television
Television, sometimes shortened to TV, is a telecommunication medium for transmitting moving images and sound. The term can refer to a television set, or the medium of television transmission. Television is a mass medium for advertising, entertainment, news, and sports. Television became available in crude experimental forms in the late 1920s, but only after several years of further development was the new technology marketed to consumers. After World War II, an improved form of black-and-white television broadcasting became popular in the United Kingdom and the United States, and television sets became commonplace in homes, businesses, and institutions. During the 1950s, television was the primary medium for influencing public opinion.Diggs-Brown, Barbara (2011''Strategic Public Relations: Audience Focused Practice''p. 48 In the mid-1960s, color broadcasting was introduced in the U.S. and most other developed countries. The availability of various types of archival st ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bandwidth (signal Processing)
Bandwidth is the difference between the upper and lower frequencies in a continuous band of frequencies. It is typically measured in hertz, and depending on context, may specifically refer to ''passband bandwidth'' or ''baseband bandwidth''. Passband bandwidth is the difference between the upper and lower cutoff frequencies of, for example, a band-pass filter, a communication channel, or a signal spectrum. Baseband bandwidth applies to a low-pass filter or baseband signal; the bandwidth is equal to its upper cutoff frequency. Bandwidth in hertz is a central concept in many fields, including electronics, information theory, digital communications, radio communications, signal processing, and spectroscopy and is one of the determinants of the capacity of a given communication channel. A key characteristic of bandwidth is that any band of a given width can carry the same amount of information, regardless of where that band is located in the frequency spectrum. For example, a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Radar
Radar is a detection system that uses radio waves to determine the distance (''ranging''), angle, and radial velocity of objects relative to the site. It can be used to detect aircraft, ships, spacecraft, guided missiles, motor vehicles, weather formations, and terrain. A radar system consists of a transmitter producing electromagnetic waves in the radio or microwaves domain, a transmitting antenna, a receiving antenna (often the same antenna is used for transmitting and receiving) and a receiver and processor to determine properties of the objects. Radio waves (pulsed or continuous) from the transmitter reflect off the objects and return to the receiver, giving information about the objects' locations and speeds. Radar was developed secretly for military use by several countries in the period before and during World War II. A key development was the cavity magnetron in the United Kingdom, which allowed the creation of relatively small systems with sub-meter resolution. Th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
World War II
World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposing military alliances: the Allies and the Axis powers. World War II was a total war that directly involved more than 100 million personnel from more than 30 countries. The major participants in the war threw their entire economic, industrial, and scientific capabilities behind the war effort, blurring the distinction between civilian and military resources. Aircraft played a major role in the conflict, enabling the strategic bombing of population centres and deploying the only two nuclear weapons ever used in war. World War II was by far the deadliest conflict in human history; it resulted in 70 to 85 million fatalities, mostly among civilians. Tens of millions died due to genocides (including the Holocaust), starvation, ma ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Newsreels
A newsreel is a form of short documentary film, containing news stories and items of topical interest, that was prevalent between the 1910s and the mid 1970s. Typically presented in a cinema, newsreels were a source of current affairs, information, and entertainment for millions of moviegoers. Newsreels were typically exhibited preceding a feature film, but there were also dedicated newsreel theaters in many major cities in the 1930s and ’40s, and some large city cinemas also included a smaller theaterette where newsreels were screened continuously throughout the day. By the end of the 1960s television news broadcasts had supplanted the format. Newsreels are considered significant historical documents, since they are often the only audiovisual record of certain cultural events. History Silent news films were shown in cinemas from the late 19th century. In 1909 Pathé started producing weekly newsreels in Europe. Pathé began producing newsreels for the UK in 1910 and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Image Dissector
An image dissector, also called a dissector tube, is a video camera tube in which photocathode emissions create an "electron image" which is then swept up, down and across an anode to produce an electrical signal representing the visual image. It employs magnetic fields to keep the electron image in focus, and later models used electron multiplier to pick up the electrons.Horowitz, Paul and Winfield Hill, ''The Art of Electronics'', Second Edition Cambridge University Press, 1989, pp. 1000-1001. . The term had also been used for other kinds of early video camera tubes. Dissectors were used only briefly in television systems before being replaced by the much more s ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Philo Taylor Farnsworth
Philo Taylor Farnsworth (August 19, 1906 – March 11, 1971) was an American inventor and television pioneer. He made many crucial contributions to the early development of all-electronic television. He is best known for his 1927 invention of the first fully functional all-electronic image pickup device (video camera tube), the image dissector, as well as the first fully functional and complete all-electronic television system.Burns, R. W. (1998), ''Television: An international history of the formative years''. IET History of Technology Series, 22. LondonThe Institution of Engineering and Technology (IET) p. 370. . Farnsworth developed a television system complete with receiver and camera—which he produced commercially through the Farnsworth Television and Radio Corporation from 1938 to 1951, in Fort Wayne, Indiana. In later life, Farnsworth invented a small nuclear fusion device, the Farnsworth–Hirsch fusor, employing inertial electrostatic confinement (IEC). Like many fusi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Coronation Of King George VI And Queen Elizabeth
The coronation of George VI and his wife, Elizabeth, as King and Queen of the United Kingdom and the Dominions of the British Commonwealth, and as Emperor and Empress of India took place at Westminster Abbey, London, on Wednesday 12 May 1937. George VI ascended the throne upon the abdication of his brother, Edward VIII, on 11 December 1936, three days before his 41st birthday. Edward's coronation had been planned for 12 May and it was decided to continue with his brother and sister-in-law's coronation on the same date. Although the music included a range of new anthems and the ceremony underwent some alterations to include the Dominions, it remained a largely conservative affair and closely followed the ceremonial of George V's coronation in 1911. The ceremony began with the anointing of the King, symbolizing his spiritual entry into kingship, and then his crowning and enthronement, representing his assumption of temporal powers and responsibilities. The peers of the realm t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
405-line
The 405-line monochrome analogue television broadcasting system was the first fully electronic television system to be used in regular broadcasting. The number of television lines influences the image resolution, or quality of the picture. It was introduced with the BBC Television Service in 1936, suspended for the duration of World War II, and remained in operation in the UK until 1985. It was also used between 1961 and 1982 in Ireland, as well as from 1957 to 1973 for the Rediffusion Television cable service in Hong Kong. Sometimes called the Marconi-EMI system, it was developed in 1934 by the EMI Research Team led by Isaac Shoenberg. The figure of 405 lines had been chosen following discussions over Sunday lunch at the home of Alan Blumlein. The system used interlacing; EMI had been experimenting with a 243-line all-electronic interlaced system since 1933. In the 405 system the scanning lines were broadcast in two complementary fields, 50 times per second, creating 25 frame ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Intermediate Film System
The intermediate film system was a television process in which motion picture film was processed almost immediately after it was exposed in a camera, then scanned by a television scanner, and transmitted over the air. This system was used principally in Britain and Germany where television cameras were not sensitive enough to use reflected light, but could transmit a suitable image when a bright light was shown through motion picture film directly into the camera lens. John Logie Baird began developing the process in 1932, borrowing the idea of Georg Oskar Schubert from his licensees in Germany, where it was demonstrated by Fernseh AG in 1932 and used for broadcasting in 1934. The BBC used Baird's version of the process during the first three months of its then-"high-definition" television service from November 1936 through January 1937, and German television used it during broadcasts of the 1936 Summer Olympics. [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Alexandra Palace
Alexandra Palace is a Grade II listed entertainment and sports venue in London, situated between Wood Green and Muswell Hill in the London Borough of Haringey. It is built on the site of Tottenham Wood and the later Tottenham Wood Farm. Originally built by John Johnson and Alfred Meeson, it opened in 1873 but following a fire two weeks after its opening, was rebuilt by Johnson. Intended as "The People's Palace" and often referred to as "Ally Pally", its purpose was to serve as a public centre of recreation, education and entertainment; North London's counterpart to the Crystal Palace in South London. At first a private venture, in 1900, the owners planned to sell it and Alexandra Park for development. A group of neighbouring local authorities managed to acquire it. An Act of Parliament created the Alexandra Palace and Park Trust. The Act required the trustees to maintain the building and park and make them available for the free use and recreation of the public forever. Th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Brookmans Park
Brookmans Park is a village in Hertfordshire, southeast England, known for its BBC transmitter station. Brookmans Park railway station, on the East Coast Main Line, is operated by Great Northern. It is also a waypoint used in air navigation by Heathrow Airport. History Miss Muffet Local legend has it that " Little Miss Muffet" of the nursery rhyme was Patience Moffat, daughter of entomologist Dr. Thomas Moffat (possibly Moffett or Moufet), who lived in the area from 1553 to 1604 on a farm. He had invited a poet over for Christmas. During his stay he overheard Miss Moffat tell her father of how she was eating her curds and whey when a spider came down from the ceiling and frightened her. The poet made an alteration to the name Miss Moffat and wrote the rhyme. However, the traceable origins of the rhyme are murky, as it did not appear in a printed version until 1805. The local connection is celebrated by the inclusion of a spider's web in the badge of Brookmans Park Sc ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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