(19)
(11)
EP 1 810 259 A1
(12)
(43)
Date of publication:
25.07.2007
Bulletin 2007/30
(21)
Application number:
04796854.0
(22)
Date of filing:
29.10.2004
(51)
International Patent Classification (IPC):
G08B
17/103
(2006.01)
G08B
17/107
(2006.01)
(86)
International application number:
PCT/US2004/036220
(87)
International publication number:
WO 2006/049613
(
11.05.2006
Gazette 2006/19)
(84)
Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR
(71)
Applicant:
SIMPLEXGRINNELL LP
Westminster, MA 01441-0001 (US)
(72)
Inventor:
QUALEY, James, R., III
Rindge, NH 03461-3457 (US)
(74)
Representative:
Pratt, David Martin et al
Withers & Rogers LLP Goldings House, 2 Hays Lane
London SE1 2HW
London SE1 2HW (GB)
(54)
MULTIWAVELENGTH SMOKE DETECTOR USING WHITE LIGHT LED