| 摘要 |
PROBLEM TO BE SOLVED: To solve the problem that it is difficult to know how a hit ball has flown and what kind of ball the hit ball has been in the case of enjoying hitting in a batting center and that a conventional pitching machine has a property of varying a pitching course and a pitching speed with time, so that they have to be adjusted manually when time has passed. SOLUTION: This device C can display and print the kind and speed of a pitched ball, an estimated position to which the hit ball hit by a batter has flown, the highest speed of a bat, a distance between a ball and the bat in the case of swing and miss, a batting average, the number of outs, the number of home runs, a proper advice to the batter, and whether an out by a fly ball or a hit by a liner. The pitching machine B is adjusted automatically from information about the ball. COPYRIGHT: (C)2007,JPO&INPIT
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