(19)
(11)
EP 0 241 527 A1
(12)
(43)
Date of publication:
21.10.1987
Bulletin 1987/43
(21)
Application number:
86906363.0
(22)
Date of filing:
13.10.1986
(51)
International Patent Classification (IPC):
H04B
10/
24
( . )
H04B
10/
26
( . )
(86)
International application number:
PCT/GB1986/000618
(87)
International publication number:
WO 1987/002531
(
23.04.1987
Gazette 1987/09)
(84)
Designated Contracting States:
AT BE CH DE FR IT LI LU NL SE
(30)
Priority:
15.10.1985
GB 19850025413
(71)
Applicant:
PLESSEY OVERSEAS LIMITED
Ilford Essex IG1 4AQ (GB)
(72)
Inventor:
STEWART, William, James The Manor House
Northants NN12 8RE (GB)
(74)
Representative:
Field, Howard John
THE PLESSEY COMPANY plc Vicarage Lane
Ilford Essex IG1 4AQ
Ilford Essex IG1 4AQ (GB)
(54)
OPTICAL COMMUNICATIONS SYSTEM AND USER TERMINAL THEREFOR