| 摘要 |
<p>The invention relates to a method for validating a discount coupon for an identified product or service, consisting of: generating an electronic discount coupon for an identified product or service, with a non-valid status, in the form of digital data, said data comprising the indentification data for said coupon, - associating said coupon with a synchronisation signal defining an activation period for said coupon, integrating said coupon and said synchronisation signal into a digital data stream, broadcasting said digital data stream to a television device, said television device being associated with data identifying a user, - bringing up said coupon on a screen of said television device, generating an activation signal of said coupon from a control member of said television device, transferring to a remote server of the television device: said identification data for said coupon, said identification data for said user, the data contained in said activation signal, and the data contained in said synchronisation signal, comparing the data contained in said activation signal and the data contained in said synchronisation signal, - if it is established that the activation signal has been generated at the time the synchronisation signal appears: validating said coupon in said server.</p> |
