Emergency lighting and evacuation guidance system powered by medley energy sources
US9024774B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 14, 2013 |
| Grant date | May 5, 2015 |
| Priority date | — |
| Expiry date | Oct 23, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49117
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An emergency lighting and evacuation guidance system includes an emergency lighting and evacuation guidance arrangement which is electrically connected to a commercial electricity supply, and a complementary green power assembly which is electrically connected to the emergency lighting and evacuation guidance arrangement. When the commercial electric supply is cut off during an emergency, the power generated by the complementary green power assembly is supplied to the emergency lighting and evacuation guidance arrangement, whereby the emergency lighting and evacuation guidance arrangement guides people to evacuate and escape during the emergency.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.