(19)
(11)
EP 0 820 669 A1
(12)
(43)
Date of publication:
28.01.1998
Bulletin 1998/05
(21)
Application number:
96911721.0
(22)
Date of filing:
09.04.1996
(51)
International Patent Classification (IPC):
H04L
1/
22
( . )
H04L
12/
56
( . )
(86)
International application number:
PCT/US1996/005029
(87)
International publication number:
WO 1996/032790
(
17.10.1996
Gazette 1996/46)
(84)
Designated Contracting States:
DE FR GB
(30)
Priority:
11.04.1995
GB 19950007454
(71)
Applicant:
General DataComm, Inc.
Middlebury CT 06762-1229 (US)
(72)
Inventors:
JONES, Trevor
Essex CM9 7YY (GB)
BARNETT, Richard
Howe Green Chelmsford CM2 7TQ (GB)
(74)
Representative:
Kazi, Ilya, et al
Mathys & Squire, 100 Gray's Inn Road
London WC1X 8AL
London WC1X 8AL (GB)
(54)
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