The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 17, 2007
Filed:
Mar. 02, 2001
Christophe Laurent, Vignoc, FR;
Sylvain Lelièvre, Rennes, FR;
Yan-mei Tang-talpin, Rennes, FR;
Thomson Licensing, Boulogne-Billancourt, FR;
Abstract
The electronic wallet system comprises a plurality of devices interconnected through a local network and capable of conducting electronic business transaction on an open network (). Each device contains a smart card reader. A plurality of smart cards (p) represent the electronic purses of the system. One of the devices comprises an entity called the server which contains a list of purses liable to receive tokens from others purses of the system. The tokens transferred between purses are stored temporally by said server. Application to a family wallet system allowing children to participate to electronic commerce. The system makes it possible to transfer tokens from one first purse to a second purse without having in hands the smart card corresponding to the second purse.