COPYRIGHT MANAGEMENT DEVICE, ELECTRONIC-PRODUCTION SALES DEVICE, ELECTRONIC-BOOK DISPLAY DEVICE, KEY INFORMATION MANAGEMENT DEVICE, AND ELECTRONIC-PRODUCTION DISTRIBUTION MANAGEMENT SYSTEM IN WHICH THESE DEVICES ARE CONNECTED VIA COMMUNICATION LINES

摘要

An electronic-production distribution management system comprises an electronic-production sales device (1) for selling an electronic production, a copyright management device (4) for managing the copyright charge of an electronic production sold through the electronic-production sales device (1), a seller terminal (5) used by a seller, and a writer terminal (7) used by a writer. The electronic-production sales device (1) calculates the copyright charge of a selected electronic production and sends it to the copyright management device (4), in which the received data on copyright charges by writer is stored, thus allowing the copyright management device (4) to manage copyright charges.