Segmented encryption for content delivery
US11863540B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Mar 16, 2022 |
| Grant date | Jan 2, 2024 |
| Priority date | — |
| Expiry date | Mar 16, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/2347
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Techniques for encrypting content in a content distribution network are disclosed. The content distribution network may comprise a number of national and local sites, and a number of hubs at each local sites. A content segment encrypting device may be operative at a local site to encrypt and cache segments of content. The segment encrypting device may provide the segments to streaming devices that encode content for delivery downstream to network or user devices.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.