System for providing access to operation information
US9166713B2 · kind B2 · utility
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14References
9Claims
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Key dates
| Filing date | Jun 28, 2005 |
| Grant date | Oct 20, 2015 |
| Priority date | — |
| Expiry date | Jan 13, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N9/8042
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method for providing access to operation information relating to a digital signal, including providing a digital signal encoded, in accordance with a layered encoding scheme, in a plurality of layers, and extracting operation information from a first layer of encoding within the digital signal, and placing the extracted information in a data section in a second layer of encoding within the digital signal. Related methods and apparatus are also described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.