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Jumbotron

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Jumbotron

The Sony JumboTron made its debut at World's Fair 1985.
ABC Super Sign in Times Square was a very large Sony JumboTron. This unit was later replaced with a Mitsubishi Electric LED display.

A Jumbotron, sometimes referred to as Jumbovision, is a large-screen television using technology developed by Sony,[1][2] typically used in sports stadiums and concert venues to show close up shots of the event.[3][4] Although JumboTron is a registered trademark owned by the Sony Corporation, Sony stopped manufacturing the devices under that name in 2001 and the word jumbotron has since become a genericized trademark.[4]

Contents

  • Design 1
  • Deployments 2
  • References in popular culture 3
  • See also 4
  • References 5
  • Further reading 6
  • External links 7

Design

Manufactured by Sony, the JumboTron is recognized as one of the largest non-projection video displays ever manufactured. Originally, it was not an LED (light-emitting diode) display – each display consisted of multiple modules composed of 16 or more small flood-beam CRTs (cathode ray tubes), each of which included from 2 to 16 pixels composed of red, green, and blue phosphors. Sony displayed one of the earliest versions at the Expo '85 World's Fair in Tsukuba. It was actually Mitsubishi Electric that pioneered the development of large-scale video screens, having begun manufacturing and installing Diamond Vision large-scale LED display systems in 1980. That year, the first Diamond Vision board was introduced at the 1980 Major League Baseball All-Star Game.

Sony creative director Yasuo Kuroki is credited with the development of the JumboTron. Eventually, JumboTron systems adopted LED technology. LED-based systems have about 10 times the lifespan of CRT-based systems, a key reason for the change.

Deployments

While the Jumbotron and similar large-screen displays are physically large, they were often low in display resolution. The Jumbotron at the now demolished Tampa Stadium in Tampa, Florida, USA, measured 30 ft (9 m) diagonally with a resolution of only 240×192 pixels, below even VHS resolution. Screen size since then varies depending on the venue. The display introduced in 1985 was 40 meters wide by 25 meters tall. Newer, LED-based large screens have an order of magnitude the early Jumbotron resolution at a fraction of the cost. For example, the much publicized center-hung video board in the Dallas Cowboys' AT&T Stadium is 72 feet tall and 160 feet wide (22 m x 49 m), displaying HDTV at 1920 x 1080 resolution, 45 times more pixels.

The largest Jumbotron in use was located at the SkyDome (now called Rogers Centre) in Toronto, Ontario, and measured 10 m tall by 33.5 m wide (33 ft × 110 ft) at a cost of US$17 million. By comparison, a similar-sized LED system sold today would cost around $3 million. The Rogers Centre Jumbotron was replaced in 2005 by a Daktronics ProStar as a part of a stadium revitalization project.

References in popular culture

WWE has used a projector screen at their live events, which has at times been coined the "TitanTron", referring to WWE's former parent group Titan Sports as well as the name recognition of Jumbotron. Defunct competitor WCW also made use of similar screens dubbed "TurnerTrons", named after then-owner Ted Turner.

In web design, the Bootstrap framework, uses the word "Jumbotron" for a large horizontal website header that usually uses large fonts.

See also

Displays similar to the Jumbotron include:

References

  1. ^ Popular Science. p. 10.
  2. ^ New York Magazine. p. 20.
  3. ^ Tailgate to Heaven: A British NFL Fan Tackles America - Adam Goldstein. p. 119.
  4. ^ a b ManVentions: From Cruise Control to Cordless Drills - Inventions Men Can't Live Without - Bobby Mercer p. 115-116.

Further reading

  • Meares, Harriet (1997). Precedents and Issues with Billboard Live's JumboTron: The First Electronic Board on West Hollywood's Sunset Strip. H. Meares. 

External links

  • Media related to at Wikimedia Commons
  • The dictionary definition of jumbotron at Wiktionary
  • Quotations related to Jumbotron at Wikiquote
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