(19)
(11) EP 0 664 918 A1

(12)

(43) Date of publication:
02.08.1995 Bulletin 1995/31

(21) Application number: 93922994.0

(22) Date of filing: 14.10.1993
(51) International Patent Classification (IPC): 
G08B 3/ 06( . )
G10K 9/ 04( . )
(86) International application number:
PCT/GB1993/002120
(87) International publication number:
WO 1994/009479 (28.04.1994 Gazette 1994/10)
(84) Designated Contracting States:
DE FR IT NL

(30) Priority: 15.10.1992 GB 19920021623

(71) Applicant: WORTHINGTON, John Alfred
Ware, Hertfordshire SG11 1JF (GB)

(72) Inventor:
  • WORTHINGTON, John Alfred
    Ware, Hertfordshire SG11 1JF (GB)

(74) Representative: Hooper, John Peter Lindesay 
5 Haslingfield Road
Harlton, Cambridge CB3 7ER
Harlton, Cambridge CB3 7ER (GB)

   


(54) ALARM SYSTEMS