Electronic book distributing system by use of purchase certificate and devices therefor

• Main Authors: Numata, Toru, Kuwabara, Tadashi, Shimizu, Hiroshi, Mochizuki, Misuzu, Tada, Yukinobu, Yamamoto, Naoki, Igarashi, Yutaka, Fukushima, Shinichiro, Ueyama, Mayumi, Kanazawa, Rituko, Furui, Maki, Ikuta, Katsuki
• Format: Patent
• Language: English
• Published: 17.05.2005

For changing services to readers who desires to obtain electronic books exactly or minutely, an electronic book management system distributes at least electronic purchase certificates relating to books which are stocked at a bookstores owing a bookstore terminal device , in advance, to that bookstore terminal device . When buying the book(s), a reader obtains in an IC card owned by her/him a purchase certificate(s) of that book(s) which she/he bought, from the bookstore terminal . When ordering to obtain the electronic book(s), the reader transmits the purchase certificate(s) from a reader terminal device to the electronic book management system through a communication network . The electronic book management system changes over it's service when supplying the electronic book(s) to that reader depending upon the existence of the purchase certificate(s).