| 摘要 |
An American style football including an inflatable bladder, at least two cover panels surrounding the bladder, a lacing coupled to the at least one cover panel, and an electronic circuit. Each of the cover panels includes an outermost layer and a lining. The electronic circuit is coupled to at least one of the cover panels. The electronic circuit includes at least one sensor. The electronic circuit is configured to produce a signal to enable the position and movement of the football to be monitored during use.
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