(19)
(11)
EP 0 954 835 A1
(12)
(43)
Date of publication:
10.11.1999
Bulletin 1999/45
(21)
Application number:
98901288.0
(22)
Date of filing:
27.01.1998
(51)
International Patent Classification (IPC):
G08B
13/
191
( . )
(86)
International application number:
PCT/CA1998/000051
(87)
International publication number:
WO 1998/033154
(
30.07.1998
Gazette 1998/30)
(84)
Designated Contracting States:
DE FR GB IT
(30)
Priority:
27.01.1997
CA 19972196014
(71)
Applicant:
DIGITAL SECURITY CONTROLS LTD.
Downsview, Ontario M3J 2J6 (CA)
(72)
Inventors:
PILDNER, Reinhart, K.
Brampton, Ontario L6V 1Z9 (CA)
McKENZIE, David
Brampton, Ontario L6X 3R8 (CA)
(74)
Representative:
Brooks, Nigel Samuel
Hill Hampton East Meon
Petersfield Hampshire GU32 1QN
Petersfield Hampshire GU32 1QN (GB)
(54)
SIZE DISCRIMINATING DUAL ELEMENT PIR DETECTOR