(19)
(11)
EP 0 615 644 A1
(12)
(43)
Date of publication:
21.09.1994
Bulletin 1994/38
(21)
Application number:
92924781.0
(22)
Date of filing:
03.12.1992
(51)
International Patent Classification (IPC):
G08B
25/
06
( . )
G08B
26/
00
( . )
(86)
International application number:
PCT/GB1992/002250
(87)
International publication number:
WO 1993/011515
(
10.06.1993
Gazette 1993/14)
(84)
Designated Contracting States:
DE ES FR IT
(30)
Priority:
03.12.1991
GB 19910025647
(71)
Applicant:
BACHE, Hugh Robert Ian
Beaconsfield, Buckinghamshire HP 9 2UH (GB)
(72)
Inventor:
GILHOOLEY, Paul, Christopher 6 St. Andrews Road
Cleveland TS7 8EQ (GB)
(74)
Representative:
Gibson, Stewart Harry
Urquhart-Dykes & Lord, Three Trinity Court, 21-27 Newport Road
Cardiff, CF2 1AA
Cardiff, CF2 1AA (GB)
(54)
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