Apparatus for preventing operation of machinery by one who is intoxicated

作者: Donald E. Du Bois

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摘要: An apparatus for preventing the operation of machinery such as a motor vehicle by an operator who is intoxicated, including alcohol sensor and proximity located in control area machinery.

参考文章(7)
Jr. Louis H. La Forge, Intrusion alarm apparatus ,(1975)
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Takeo Yuminaka, Rokuro Sasaki, Hatuya Nakamura, Shoichi Mitani, Minoru Tanaka, Proximity detecting apparatus ,(1974)
Clarence S Jones, Proximity responsive switching system ,(1962)