How Hawk-Eye goal-line technology works

Hawk-Eye goal-line technology
The system is millimetre accurate, meaning the decision could not be disproved by video replay, according to the company. Credit: Hawk-Eye
Hawk-Eye goal-line technology
The company installs 7 cameras pointing towards each goal. Credit: Hawk-Eye
The system is able to 'find' the ball, no matter where it falls in the net, according to the company. Credit: Hawk-Eye
When the system detects the ball has crossed the line it sends a message to the referee's watch device.
When the system detects the ball has crossed the line it sends a message to the referee's watch device. Credit: Hawk-Eye

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Premier League goal technology

The Premier League has said it will will use goal-line technology provided by the British-based firm Hawk-Eye from next season.