Product life timer

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G - Physics

04

F

G04F 1/00 (2006.01) G04F 13/04 (2006.01) G07C 1/00 (2006.01)

Patent

CA 2231649

An electrochemical cell is used as a timing mechanism. The cell is sized to supply electrical power to a display for a period of time related to the intended life of a product. The display remains in an active state in response to a level of power output by the cell above a threshold and reverts to a default state in response to a level of power output below the threshold. The cell and the display can be arranged in layers on a common substrate for incorporation into a label or product packaging.

Cellule électrochimique servant de minuterie. La cellule a la taille voulue pour assurer l'alimentation électrique d'un indicateur visuel pendant une certaine période correspondant à la durée de vie d'un produit. L'indicateur visuel est actif tant que le niveau d'alimentation fourni par la cellule demeure au-dessus d'un certain seuil, sinon il revient à un état par défaut. La cellule et l'indicateur visuel peuvent être disposés en couches sur un substrat commun à incorporer dans une étiquette ou un emballage de produit.

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