Data processing: financial – business practice – management – or co – Business processing using cryptography – Usage protection of distributed data files
Reexamination Certificate
2005-05-17
2005-05-17
Elisca, Pierre E. (Department: 3621)
Data processing: financial, business practice, management, or co
Business processing using cryptography
Usage protection of distributed data files
Reexamination Certificate
active
06895393
ABSTRACT:
For changing services to readers who desires to obtain electronic books exactly or minutely, an electronic book management system1distributes at least electronic purchase certificates relating to books which are stocked at a bookstores owing a bookstore terminal device2, in advance, to that bookstore terminal device2. When buying the book(s), a reader obtains in an IC card4owned by her/him a purchase certificate(s) of that book(s) which she/he bought, from the bookstore terminal2. When ordering to obtain the electronic book(s), the reader transmits the purchase certificate(s) from a reader terminal device3to the electronic book management system1through a communication network5. The electronic book management system1changes over it's service when supplying the electronic book(s) to that reader depending upon the existence of the purchase certificate(s).
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patent: 5937158 (1999-08-01), Uranaka
patent: 6064969 (2000-05-01), Haskins
patent: 6212634 (2001-04-01), Geer, Jr. et al.
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When online is not enough. (Editorial); v19, n3, p6 (2); German Nancy; May-Jun., 1995 p. 1.
Fukushima Shinichiro
Furui Maki
Igarashi Yutaka
Ikuta Katsuki
Kanazawa Rituko
Elisca Pierre E.
Mattingly ,Stanger ,Malur & Brundidge, P.C.
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