(19)
(11) EP 0 438 397 A1

(12)

(43) Date of publication:
31.07.1991 Bulletin 1991/31

(21) Application number: 89901288.0

(22) Date of filing: 03.01.1989
(51) International Patent Classification (IPC): 
G07C 1/ 10( . )
H04M 11/ 00( . )
G07C 1/ 20( . )
(86) International application number:
PCT/FI1989/000001
(87) International publication number:
WO 1990/004300 (19.04.1990 Gazette 1990/09)
(84) Designated Contracting States:
AT BE CH DE FR GB IT LI LU NL SE

(30) Priority: 13.10.1988 FI 19880004727

(71) Applicant: OUMATIC OY
SF-90160 Oulu (FI)

(72) Inventors:
  • JÄÄSKELÄINEN, Martti
    SF-90160 Oulu (FI)
  • KANGAS, Matti
    SF-90460 Oulunsalo (FI)
  • KOSUNEN, Markku
    Tupos (FI)

(74) Representative: Patentanwälte Beetz - Timpe - Siegfried Schmitt-Fumian - Mayr 
Steinsdorfstrasse 10
D-80538 München
D-80538 München (DE)

   


(54) A REMOTE SUPERVISION SYSTEM