Sound diffusion system embedded in a railway vehicle and associated vehicle, method and computer program
US11166117B2 · kind B2 · utility
0Cited by
2References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 8, 2020 |
| Grant date | Nov 2, 2021 |
| Priority date | — |
| Expiry date | Sep 8, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2499/13
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
The invention relates to a sound diffusion system embedded in a railway vehicle and comprising:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.