Video-on-demand system
US7254622B2 · kind B2 · utility
Inventors
Key dates
| Filing date | Dec 15, 2000 |
| Grant date | Aug 7, 2007 |
| Priority date | — |
| Expiry date | Aug 1, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L69/329
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A video-on-demand system provides efficient commercial distribution for renting and/or selling movies, video programs, video games and electronic data. Data input stations upload original video data from videotapes, videocassettes, videodisks or film, or from electronic data format on transferable storage media or over a telecommunications line. A video data capture computer converts the original video data into a preferred video data storage format and stores the video data files in a first generation video data storage unit. The video data files are sorted by categories and classified in indexed master files stored on a second generation video data storage unit. NTSC, PAL and/or HDTV versions of the video data files are created and stored in separate data storage units for serving different markets. Customers access the system through computer servers connected to the Internet. The computer servers access the video data file in the data storage units and create a temporary video data file, which is downloaded to the customer via the Internet. The video data file is downloaded at high speed and stored on the customer's video player device for viewing at a later time. The video dat…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.