Method and apparatus for marking an escape route
US6998960B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 29, 2003 |
| Grant date | Feb 14, 2006 |
| Priority date | — |
| Expiry date | Nov 23, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08B7/066
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A method for signaling an escape route in a building with emergency warning units arranged in a distributed way can be realized such that the emergency warning units are equipped with luminous means that in the event of an emergency can be activated by a central emergency warning system sequentially in the manner of a running light that designates the direction of the escape route leading away from a hazard site. An emergency warning unit suitable for this purpose may include two LEDs configured as arrows facing in opposite directions, of which either can be switched into a blinking mode by the central emergency warning system in accordance with the emergency conditions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.