(19)

(11)

EP 1 642 367 A1

(12)

(43) Date of publication: 05.04.2006 Bulletin 2006/14 (21) Application number: 04743124.2 (22) Date of filing: 25.06.2004

(51) International Patent Classification (IPC):  H02G 3/08(1968.09) (86) International application number: PCT/GB2004/002776 (87) International publication number: WO 2005/002016 (06.01.2005 Gazette 2005/01)

(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 (30) Priority: 25.06.2003 GB 0314809 (71) Applicant: Pittway Systems Technology Group Europe Limited Northampton, NN1 5AB (GB)	(72) Inventor: COURT, Nigel, Timothy London SW16 6SW (GB) (74) Representative: Fox-Male, Nicholas Vincent Humbert  Eric Potter Clarkson LLP Park View House 58 The Ropewalk GB-Nottingham NG1 5DD GB-Nottingham NG1 5DD (GB)