| 摘要 |
<p>An apparatus including a bowling lane, pins positioned on one end of the bowling lane, a bowling ball adapted to be launched down the bowling lane toward the bowling pins, and a spin detector for determining a spin rate of the bowling ball as the bowling ball travels down the bowling lane. An angle detector detects the angle of the spin axis of the bowling ball. The apparatus also measures and displays information relating to ball velocity, ball position, coefficient of friction, launch angle, and entry angle.</p> |
