Video distribution method, distribution device, and inspection device
US12081813B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 4, 2019 |
| Grant date | Sep 3, 2024 |
| Priority date | — |
| Expiry date | Dec 10, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/8358
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A digital watermark is applied to a video to be distributed without re-encoding. A content distribution device 1 receives a content acquisition request to request video content, distributes the video content based on the content acquisition request, generates and distributes a watermark video with a watermark ID embedded, and causes watermark-video-related information including the watermark ID to be recorded, and a content playback device 2 transmits the content acquisition request, receives the video content and the watermark video, plays back and displays the video content, and superimposes the watermark video on the video content for playback and display.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.