Invention Grant
US09024770B2 Electronic football concussion avoidance training module 有权
电子足球震荡避免训练模块

Electronic football concussion avoidance training module
Abstract:
A self-contained removable electronic module which mounts onto an ordinary football helmet's face mask bars and visually annunciates to the wearing player and game referees the occurrence of a blow to the player's helmet of an impact exceeding a preselected threshold level.
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