Data distribution system and data selling apparatus therefor, data retrieving apparatus, duplicated data detecting system, and data reproduction apparatus
US7676401B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 20, 2005 |
| Grant date | Mar 9, 2010 |
| Priority date | — |
| Expiry date | Dec 20, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B2220/2529
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A data distribution system includes a plurality of data sources each capable of transmitting a data item, and a data vending machine capable of receiving the data item from the plurality of data sources and selling the received data item to a user. The data vending machine includes a data selecting apparatus operated by a user to select a desired data item, a data source selecting apparatus connected to the data selecting apparatus for selecting, among the plurality of data sources, one that holds the data item selected by the data selecting apparatus, in accordance with a specific standard, a data receiving apparatus connected to the data source selecting apparatus for receiving selected data item from the data source selected by the data source selecting apparatus, and a data updating apparatus to which an external storage device is detachably mounted, for writing the data item received by the data receiving apparatus to the external storage device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.