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Cyclops is a computer system co-invented by Bill Carlton of Great Britain and Margaret Parnis England of Malta, [1] which is used on the ATP and WTA professional tennis tours as an electronic line judge to help determine whether a serve is in or out.
The original multi-colored, no-line tennis court has eleven separate colored areas with no segregating lines. As a functional, no-line tennis court design it was issued a USPTO utility patent #4,045,022 in 1977 to its inventors, Geoffrey Grant, an avid and successful senior tennis competitor, and Robert Nicks, an engineer.
A tennis court is the venue where the sport of tennis is played. It is a firm rectangular surface with a low net stretched across the centre. The same surface can be used to play both doubles and singles matches. A variety of surfaces can be used to create a tennis court, each with its own characteristics which affect the playing style of the game.
There are four types of tennis court: Clay court – Grass court – Hard court – Carpet court – The parts of a tennis court include: Ad court – short for "advantage court", it is the left side of the receiving team, or the right side of the opponent's court as viewed from the server's side, significant as the receiving side for an ad point.
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Tennis hardcourt, Curtiss Park, Saline, Michigan A hardcourt (or hard court) is a surface or floor on which a sport is played, most usually in reference to tennis courts.It is typically made of rigid materials such as asphalt or concrete, and covered with acrylic resins to seal the surface and mark the playing lines, while providing some cushioning.