Electronic book alternative delivery systems
US7835989B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 13, 1999 |
| Grant date | Nov 16, 2010 |
| Priority date | — |
| Expiry date | Apr 13, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/8126
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.