Video information distribution and display system
US8291456B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 1, 2005 |
| Grant date | Oct 16, 2012 |
| Priority date | — |
| Expiry date | Oct 3, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G5/399
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
ProblemIn the case of displaying text information, a static image and a dynamic image on an image display device carried on a train or car in accordance with designated schedule, a blank period that can be visually recognized by human eyes occurs when displaying a compressed static image by switching from a previous video image. Thus, there is a problem of discomfort such as lack of real-time property and difficulty in viewing by a viewer.Means for SolutionIn a video information distribution and display system carried on a train or car, compressed static image video information scheduled to be displayed next is expanded and prepared by extracting and storing into a display storage part in advance, or the like, in accordance with an image control signal (display command) sent thereto together with video information, and the static image is displayed by seamlessly switching from a currently displayed video image at content switching timing of the display command.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.