Title: Value information management system, recording medium, printer device, account device, electronic data printing method, and computer program
Application Number: 200580012122 Application Date: 2005.03.31
Publication Number: 1947161 Publication Date: 2007.04.11
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: G07F17/42;G07G5/00;G06Q30/00
Applicant(s) Name: Matsushita Electric Ind Co., Ltd. Address:
Inventor(s) Name: Yokota Kaoru;Ohmori Motoji;Saso Atsushi
Attorney & Agent: chenyang dun
Abstract:
    There is provided a value information management system capable of printing electronic data indicating value information such as an electronic receipt and preventing use of printed or unprinted electronic data for unfair billing. A secure memory card (13) securely contains an electronic receipt concerning payment. A printer (14) prints the electronic receipt and erases the electronic receipt stored in the secure memory card (13) after the printing and transmits a receipt ID identifying the printed electronic receipt to a receipt management server (17). The receipt management server (17) manages the electronic receipt identified by the received receipt ID as printed one.
Time: 9