AUTOMATIC FORCIBLE SOUND ALARMING MACHINE

PROBLEM TO BE SOLVED: To reduce the number of traffic accidents by operating a device by which a sound forcible alarm is automatically turned on/off by means of a time switch, a changeover contact switch, a magnetic tape, electric parts, and semiconductor. SOLUTION: During drive of an automobile fro...

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Bibliographische Detailangaben
1. Verfasser: TOKUDA TOSHIO
Format: Patent
Sprache:eng
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