发明名称 Safety alarm system
摘要 A safety alarm system for use on moving vehicles and heavy equipment provides an added level of safety by not only indicating motion, but by adding a distinct audible warning according to a selected sound pattern template when danger is imminent to those in the local area of potential danger. The sound pattern is selected on the basis of signals from various combinations of signals detected from an object detection sensor and an ambient noise level sensor, thereby providing enhanced safety in the work environment.
申请公布号 US7324013(B2) 申请公布日期 2008.01.29
申请号 US20040981033 申请日期 2004.11.02
申请人 PRECO ELECTRONICS, INC. 发明人 ESSON EARL EDWARD
分类号 G08G1/16 主分类号 G08G1/16
代理机构 代理人
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