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GoalRef
GoalRef is an association football goal-line technology system developed by German research institute Fraunhofer in association with Select Sport. It works by detecting the passage of the ball using magnetic induction. Along with Hawk-Eye, GoalControl and Cairos it is one of four systems approved for use in the professional game by the International Football Association Board (IFAB).〔(cbc.ca - FIFA picks GoalControl goal-line technology for 2014 World Cup )〕
==History==
GoalRef was originally developed by a Danish organisation commissioned by Select Sport who entered the system for consideration by the International Handball Federation. In 2011 Fraunhofer became lead partner in GoalRef alongside the original inventor, and entered the system in the first stage testing being conducted for IFAB by EMPA (Swiss Federal Laboratories for Materials Science and Technology). GoalRef and Hawk-Eye were the only systems that proceeded to EMPA's second stage of testing, involving lab and field tests, plus trials in training and live professional matches. In this phase GoalRef was tested in the Danish Superliga. Following the second phase trials, on 5 July 2012 IFAB approved both GoalRef and Hawk-Eye in principle, making it available for use in professional matches under a set of revised Laws of the Game. Each installation however would also require licensing approval for use in the individual stadium, on a 12-month basis. The 2012 FIFA Club World Cup was the first tournament where GoalRef and Hawk-Eye were used by a match referee. Goal Ref was used for the first time on 6 December 2012 in the first match of the 2012 FIFA Club World Cup.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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