hod for smoke detection & alarmUS20140009274 *21 Jun 20139 Jan 2014Airbus Operations GmbhSystem for evacuating persons from a vehicleUS20140224584 *15 Aug 201214 Aug 2014Ashwan Murdhi B AldosariRapid escape exit for high buildingDE102006049617A1 *20 Oct 200630 Apr 2008Abb AgSmoke detector for use in e.g. residence, has light source i.e. laser diode, controlled by electronic system during detection