Patent ID: 8220836

Claim:
A method of processing a reply card returned by its recipient, the method being performed by a sender of said reply card, in which reply card said recipient has answered at least one request made by said sender by taking at least one determined physical action on at least one identified zone of said reply card, wherein said method includes radio-frequency analysis of said reply card by a radio-frequency read device for the purpose of determining whether or not said at least one identified zone is provided with a succession of signs printed with a conductive ink, the radio-frequency image of the positions of the signs making it possible to interpret the answer given by said recipient to said at least one request made by said sender as a function of whether or not said succession of signs printed with conductive ink in said at least one identified zone is present, wherein said radio-frequency analysis further includes recognition of the recipient based on a unique identification code printed with a conductive ink in another identified zone of said reply card.