Electronic label

Details Electronic label Electronic label

G - Physics

06

K

G06K 19/077 (2006.01)

Patent

CA 2405403

One characteristic of electronic labels is that they can be read and written on without electrical contact through the communication coil (1). The reading head is then positioned at some distance and communicates with the label through electromagnetic waves. When these labels are placed on metallic objects, reading becomes difficult even impossible because of the dispersion of the waves in the object. To overcome this drawback, the invention proposes the adding of an electromagnetic conductive element (3, 3') to the coil (1) in order to insulate it (1) and enhance the reception quality.

La particularité des étiquettes électroniques est de pouvoir être lues et écrites sans contact électrique grâce à la bobine de communication. La tête de lecture est alors positionnée à quelque distance et dialogue avec l'étiquette par ondes magnétiques. Lorsque ces étiquettes sont placées sur un objet métallique, la lecture devient difficile voire impossible du fait de la dispersion des ondes dans l'objet. Afin de pallier à cet inconvénient, il est proposé d'adjoindre à la bobine un élément conducteur électromagnétique afin d'isoler la bobine et augmenter la qualité de réception.

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