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1. 发明授权

US09026396B2 Impact sensing device and helmet incorporating the same 有权
标题翻译：冲击传感装置和头盔结合在一起
公开(公告)号：US09026396B2
公开(公告)日：2015-05-05
申请号：US13303978
申请日：2011-11-23
申请人： Jeffrey M. Evans , Christopher W. Circo
发明人： Jeffrey M. Evans , Christopher W. Circo
IPC分类号： G01P15/00 , A63B71/10 , G08B21/00 , A42B3/04
CPC分类号： A42B3/046
摘要： An impact sensing device including a plurality of accelerometers orthogonally oriented with respect to each other and attachable at a body location, each capable of producing a signal indicative of an impact. An integrated circuit is configured to determine the magnitude and direction of the impact based on the signals and operative to activate an indicator when the magnitude exceeds a selected threshold based on the direction of the impact. A head injury coefficient is determined based on the magnitude and a duration of the impact, and the threshold level of acceleration is expressed in terms of a head injury coefficient value. The head injury coefficient value is determined by empirically correlating a head injury coefficient measured at the body location and a head injury coefficient measured at the center of mass of a human head resulting from an impact.
摘要翻译：一种冲击感测装置，其包括相对于彼此正交定向并可在身体位置附接的多个加速度计，每个能够产生指示冲击的信号。集成电路被配置为基于信号来确定冲击的大小和方向，并且当幅度超过基于冲击的方向的选定阈值时，可操作以激活指示器。根据冲击的大小和持续时间确定头部损伤系数，加速度阈值用头部损伤系数值表示。头部损伤系数值通过经验相关的身体位置测量的头部损伤系数和由冲击产生的人体头部质心测得的头部损伤系数来确定。

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