发明授权
US07835989B1 Electronic book alternative delivery systems 失效
电子书替代送货系统

Electronic book alternative delivery systems
摘要:
The invention, an electronic book selection and delivery system, distributes electronic text and graphics to subscribers. The system contains an operations center, a video distribution system or a variety of alternative distribution systems, a home subsystem, and a billing and collection system. The operations center and/or distribution points perform the functions of manipulation of text data, security and coding of text, cataloging of books, message center, and uplink functions. The home subsystem connects to a video distribution system or variety of alternative distribution systems, generates menus and stores text, and transacts through communicating mechanisms. A portable book-shaped viewer is used for viewing the text. The billing system performs the transaction, management, authorization, collection and payments utilizing the telephone system or a variety of alternative communication systems.
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