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2. Electronic line judge - Wikipedia

   en.wikipedia.org/wiki/Electronic_line_judge

   The Electroline; the first computerized, electronic line judge device, introduced in 1974. An electronic line judge is a device used in tennis to automatically detect where a ball has landed on the court.

3. Category:Tennis equipment - Wikipedia

   en.wikipedia.org/wiki/Category:Tennis_equipment

   Stringing machine; Strings (tennis) T. Tennis technology; Tennis ball; W. Wilson K-Factor; Wilson ProStaff Original 6.0 This page was last edited on 8 October ...

4. Prince Sports - Wikipedia

   en.wikipedia.org/wiki/Prince_Sports

   The company was founded in 1970 by Robert Hirt McClure (1893–1991) of Princeton, New Jersey (the origin of the company's name) as a manufacturer of tennis-ball machines, and soon after, rackets. Howard Head , founder of the Head sporting goods company, took tennis lessons following his retirement and used a Prince tennis ball machine, but was ...

5. Cyclops (computer system) - Wikipedia

   en.wikipedia.org/wiki/Cyclops_(computer_system)

   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.

6. Glossary of tennis terms - Wikipedia

   en.wikipedia.org/wiki/Glossary_of_tennis_terms

   Ball machine: Machine that shoots tennis balls onto the court at a similar speed and trajectory as a human player, allowing an individual to practice their strokes without the need for a partner. Banana shot or banana forehand : Forehand hit down the line with sufficient spin that it curves in the air outside over the tramline and then back ...

7. Tennis technology - Wikipedia

   en.wikipedia.org/wiki/Tennis_technology

   Originally the tennis ball consisted of rough cloth strips tightly bound together. Eventually the cloth strips became the core, wrapped in twine and covered by a finer cloth or felt hand-stitched around it. [6] In 1972, at the request of Lamar Hunt to televise World Championship Tennis, the tennis ball was manufactured with the optic yellow ...