(19)
(11)
EP 0 072 813 A1
(12)
(43)
Date of publication:
02.03.1983
Bulletin 1983/09
(21)
Application number:
82900405.0
(22)
Date of filing:
05.02.1982
(51)
International Patent Classification (IPC):
H04M
1/
08
( . )
(86)
International application number:
PCT/SE1982/000030
(87)
International publication number:
WO 1982/002989
(
02.09.1982
Gazette 1982/21)
(84)
Designated Contracting States:
CH DE GB LI NL
(30)
Priority:
19.02.1981
SE 19810001116
(71)
Applicant:
TELEFONAKTIEBOLAGET L M ERICSSON
S-126 25 Stockholm (SE)
(72)
Inventors:
LINDMAN, Börje, Lennart
S-135 54 Tyresö (SE)
PETERSON, Sven, Tage
S-135 46 Tyresö (SE)
(74)
Representative:
Szemere, Fredrik, et al
Civilingenjör Fredrik Szemere Patentbyra Erik Dahlbergsgatan 27
S-115 32 Stockholm
S-115 32 Stockholm (SE)
(54)
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