Smart card reader

Details Smart card reader Smart card reader

G - Physics

06

K

G06K 7/00 (2006.01)

Patent

CA 2753885

A card reader receives an indication that a device has been plugged into a socket of the card reader. Power is provided to the socket in accordance with a first type of device. An attempt to communicate with the device is made in accordance with a first type of device protocol. If the communication attempt is not successful, power is provided to the socket in accordance with a second type of device, and communications commence with the device in accordance with a second type of device protocol.

L'invention concerne un lecteur de cartes à puce qui reçoit une indication selon laquelle un dispositif a été branché dans un port de connexion du lecteur de cartes. Une alimentation est fournie au port de connexion selon un premier type de dispositif. Une tentative de communication avec le dispositif est effectuée selon un premier type de protocole du dispositif. Si la tentative de communication échoue, l'alimentation est fournie au port de connexion selon un second type de dispositif, et les communications commencent avec le dispositif selon un second type de protocole du dispositif.

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