Method for transmitting acoustic signals from a memory or...

Details Method for transmitting acoustic signals from a memory or... Method for transmitting acoustic signals from a memory or...

H - Electricity

04

M

H04M 1/274 (2006.01) H04M 1/275 (2006.01)

Patent

CA 2308038

The invention concerns a method and a memory or chip card for transmitting acoustic signals. The card (1) incorporates at least an electronic control micromodule (MC) comprising in particular processing circuits (CT) and a storage (M) wherein are registered binary data, and an excitation device (5) connected to the micromodule (MC) for converting the binary data into acoustic signals and a vibrating membrane coupled with said excitation device (5) for transmitting said acoustic signals. The card is characterised in that the vibrating membrane is constituted by the card (1) itself. The invention is particularly useful for transmitting on a telephone line binary data by acoustic coupling with a telephone.

L'invention concerne un procédé et une carte à mémoire ou à puce pour émettre des signaux acoustiques. La carte (1) incorpore au moins un micromodule électronique de commande (MC) qui comprend notamment des circuits de traitement (CT) et une mémoire (M) dans laquelle sont enregistrées des données binaires, et un dispositif d'excitation (5) connecté au micromodule (MC) pour convertir les données binaires en signaux acoustiques et une membrane vibrante reliée au dispositif d'excitation (5) pour émettre lesdits signaux acoustiques, carte caractérisée en ce que la membrane vibrante est constituée par la carte (1) elle-même. L'invention s'applique notamment à la transmission sur une ligne téléphonique de données binaires par couplage acoustique avec un téléphone.

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