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The foot fault judge used directional microphones to detect the striking of the ball by the player's racquet, when serving the ball, that functioned in conjunction with a timing circuit to detect if the players foot had activated the baseline line "IN" sensor immediately prior to, or during, the striking of the ball.
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.
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 ...
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 ...
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 ...
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