Reversing alarm

B - Operations – Transporting – 60 – Q

Patent

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Details

B60Q 5/00 (2006.01) B60Q 1/22 (2006.01) B60Q 1/48 (2006.01)

Patent

CA 2404080

A reversing alarm (16) for a vehicle emits an audible signal in the form of pulses of broad band sound when the vehicle is put into reverse gear. The broad band sound allows persons in the vicinity to locate the vehicle, as the human brain is able to process broad band sound to pinpoint the location of the sound source in a way which is not possible with single tone sounds. The alarm (16) is implemented via a simple electronic circuit which uses a zener diode as a signal generator (20) to generate the broad band sound.

La présente invention concerne une alarme de mise en marche arrière (16) pour véhicule. Cette alarme émet un signal audible, sous forme d'impulsions de son à large bande, lorsque le véhicule est mis en marche arrière. Ce son à large bande permet à des personnes se trouvant à proximité de localiser le véhicule, car le cerveau humain peut traiter le son à large bande afin de repérer précisément l'emplacement de la source sonore, d'une manière qui n'est pas réalisable avec des sons à fréquence unique. Cette alarme (16) est mise en oeuvre par l'intermédiaire d'un simple circuit électronique qui utilise une diode Zener en tant que générateur de signaux (20), afin de produire ledit son à large bande.

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