Method and device for preventing persons from falling asleep

Details Method and device for preventing persons from falling asleep Method and device for preventing persons from falling asleep

G - Physics

08

B

G08B 21/00 (2006.01) G08B 21/06 (2006.01)

Patent

CA 2281874

To prevent persons driving a vehicle from falling asleep the invention provides for a localized area on the head of the person concerned to be cooled. Cooling is preferably achieved by means of a cooled, moving gas or by application of a plate (10) which is in thermal contact with a cooling device (6). The cooling device (6) is preferably embodied by a Peltier cell. Cooling of a localized area on the head can keep a sleepy person awake reliably and for a longer period.

L'invention concerne un procédé destiné à empêcher des personnes de s'endormir au volant, selon lequel il est prévu de rafraîchir une zone localisée de la tête de la personne concernée. Cet effet rafraîchissant s'exerce de préférence par un gaz refroidi en mouvement ou par application d'une plaque (10) en contact thermique avec un dispositif de refroidissement (6). Ce dernier consiste de préférence en une cellule de Peltier. Un rafraîchissement localisé de la tête permet de maintenir efficacement une personne somnolente éveillée pendant longtemps.

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