On-board display system
US6970168B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 27, 2000 |
| Grant date | Nov 29, 2005 |
| Priority date | — |
| Expiry date | Jun 2, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB61L15/009
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A conventional display system carried on a railroad train has the problem that it cannot distribute image signal to the cars of the train when image information output means mounted in a lead car breaks down.Accordingly, a display system to be carried on a railroad train according to the invention includes: first image information output means provided in a given car in a train of a plurality of connected cars, for outputting first image information; second image information output means provided in a given car of said train, for outputting second image information; and display means provided in a given car of said train, for switchably displaying said first image information transmitted from said first image information output means and said second image information transmitted from said second image information output means.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.