Signal transmitting device, signal receiving device, signal transmitting method, and signal receiving method
US11350183B2 · kind B2 · utility
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14Claims
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Key dates
| Filing date | Mar 11, 2019 |
| Grant date | May 31, 2022 |
| Priority date | — |
| Expiry date | Mar 11, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/8352
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A signal transmitting method comprising: inserting a context identifier and a keyword in service data to generate a content; extracting the service data from the content; inserting a description including the context identifier and the keyword to generate media data; generating signaling information including the context identifier and the keyword; and transmitting a signal including the media data and the signaling information.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.