(19)
(11) EP 0 389 492 A1

(12)

(43) Date of publication:
03.10.1990 Bulletin 1990/40

(21) Application number: 88908699.0

(22) Date of filing: 14.10.1988
(51) International Patent Classification (IPC): 
G08B 23/ 00( . )
H04M 11/ 04( . )
 H04B 1/ 16( . )
(86) International application number:
PCT/FI1988/000167
(87) International publication number:
WO 1989/003627 (20.04.1989 Gazette 1989/09)
(84) Designated Contracting States:
AT BE CH DE FR GB IT LI LU NL SE

(30) Priority: 15.10.1987 FI 19870004543

(71) Applicant: SOSTEL OY
SF-02150 Espoo (FI)

(72) Inventor:
  • MYLLYMÄKI, Matti
    SF-02150 Espoo (FI)

(74) Representative: Weisse, Jürgen, Dipl.-Phys. Patentanwalt, et al 
Fuggerstrasse 26
D-10777 Berlin
D-10777 Berlin (DE)

   


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