Sonic building rescue beacon
US7839290B2 · kind B2 · utility
6Cited by
18References
5Claims
0Family size
Inventors
Key dates
| Filing date | Mar 18, 2007 |
| Grant date | Nov 23, 2010 |
| Priority date | — |
| Expiry date | Jun 22, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S5/183
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A safety device which emits sounds that guide rescuers to people trapped in collapsed structures.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.