January 25, 2007

Alarm to Keep Motorist Awake Buzzes When Chin Drops (Dec, 1936)

Filed under: Impractical — @ 11:57 am
Source: Popular Mechanics ( More articles from this issue )
Issue: Dec, 1936
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Alarm to Keep Motorist Awake Buzzes When Chin Drops

Dozing at the wheel is a common cause of automobile accidents. To eliminate that cause, an inventor has devised an alarm that rings sharply at the motorist’s first nod. It is a small metal gong that is hung from the shirt collar. A trigger at the top sets off the alarm when the dozing driver’s chin drops on it.

2 Comments »

  1. This is actually a good idea. But if you’re tired, you probably shouldn’t be driving in the first place.

    Comment by huh — July 14, 2008 @ 5:04 am

  2. What if your head falls back instead?

    Comment by Mark — March 29, 2009 @ 4:19 pm

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