Invention Grant
US09495817B2 Electronic delivery of counterfeit resistant documents direct to a purchaser 有权
将防伪文件直接传送给购买者

Electronic delivery of counterfeit resistant documents direct to a purchaser
Abstract:
Electronic delivery of counterfeit-resistant documents exchangeable for value, such as coupons, gift certificates, vouchers, admission tickets etc., directly to the person who ordered the documents over an open communications network such at the Internet. A first party orders a document from a second party, and the second party electronically delivers the ordered, counterfeit-resistant document to a device designated by the first party. For example, the document may be electronically ordered using a PC, and a printer coupled to the PC may print the document. In one embodiment, the first party transmits unsolicited offers over the open communications network. The document may be made counterfeit resistant by assigning unique information to each document of a given type, e.g., coupons, gift certificates, vouchers, admission tickets etc., and checking the uniqueness of a document and whether the unique information was previously read prior to allowing it to be exchanged for value.
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