| 摘要 |
<p>A hockey stick, blade assembly, shaft assembly, puck or ball having a plurality of LEDs selectively operable with a first color or a second color which, in use, enables players on one team to distinguish between players on their own team and players on an opposing team merely by glancing at their sticks. The LEDs may be lighted when subjected to an impact such as when striking a puck, a ball, playing surface, or other object.</p> |
