Electronic label with optical reading/writing

G - Physics – 11 – C

Patent

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Details

G11C 5/14 (2006.01) G06K 7/10 (2006.01) G06K 19/07 (2006.01) G06K 19/077 (2006.01) G11C 7/00 (2006.01)

Patent

CA 2170861

The present invention relates to an electronic label comprising typically a EEPROM-like memory device. Said label comprises electro-optical cells, allowing a power supply of the label when light hits said cells. Electro-optical components allow further to receive optical command signals and to transmit optical signals to the exterior, which light signals are relating to the content of said memory device.

La présente invention concerne une étiquette électronique comportant typiquement une mémoire de type EEPROM. Cette étiquette comporte des cellules électro-optiques permettant de l'alimenter lorsqu'on envoie sur elle un rayon lumineux, et des éléments optoélectroniques permettant d'une part de recevoir des signaux optiques de commande et d'autre part d'envoyer vers l'extérieur des signaux optiques en rapport avec le contenu de la mémoire.

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