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An electronic line judge is a device used in tennis to automatically detect where a ball has landed on the court. Attempts to revolutionize tennis officiating and the judging of calls in the sport began in the early 1970s and has resulted in the design, development and prototyping of several computerized, electronic line-judge devices. The methods have been based upon the use of pressure sensors, sensors to detect magnetized or electrically conductive tennis balls, infrared laser beams, and most recently video cameras.

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  • Electronic line judge (en)
  • Juiz eletrônico de linha (pt)
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  • An electronic line judge is a device used in tennis to automatically detect where a ball has landed on the court. Attempts to revolutionize tennis officiating and the judging of calls in the sport began in the early 1970s and has resulted in the design, development and prototyping of several computerized, electronic line-judge devices. The methods have been based upon the use of pressure sensors, sensors to detect magnetized or electrically conductive tennis balls, infrared laser beams, and most recently video cameras. (en)
  • Um Juiz eletrônico de linha é um dispositivo usado no tênis para detectar automaticamente onde a bola tem sido aterrissada. As tentativas de revolucionar o tênis nas chamadas dos juízes começaram no inicio da década de 1970 e tem sido resultado, cada vez mais no desenho, desenvolvimento e trajetória em métodos computadorizados pelo juiz eletrônico de linha. Os métodos tem sido baseados através da pressão de sensores que detectam o magnetismo ou condução elétrica da bolas de tênis, feixes de laser infravermelho, e mais recentemente câmeras de vídeo. (pt)
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  • http://commons.wikimedia.org/wiki/Special:FilePath/ELECTROLINE-SENSORS.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/ELECTROLINE.jpg
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  • An electronic line judge is a device used in tennis to automatically detect where a ball has landed on the court. Attempts to revolutionize tennis officiating and the judging of calls in the sport began in the early 1970s and has resulted in the design, development and prototyping of several computerized, electronic line-judge devices. The methods have been based upon the use of pressure sensors, sensors to detect magnetized or electrically conductive tennis balls, infrared laser beams, and most recently video cameras. (en)
  • Um Juiz eletrônico de linha é um dispositivo usado no tênis para detectar automaticamente onde a bola tem sido aterrissada. As tentativas de revolucionar o tênis nas chamadas dos juízes começaram no inicio da década de 1970 e tem sido resultado, cada vez mais no desenho, desenvolvimento e trajetória em métodos computadorizados pelo juiz eletrônico de linha. Os métodos tem sido baseados através da pressão de sensores que detectam o magnetismo ou condução elétrica da bolas de tênis, feixes de laser infravermelho, e mais recentemente câmeras de vídeo. (pt)
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