(19)
(11) EP 0 267 220 A1

(12)

(43) Date of publication:
18.05.1988 Bulletin 1988/20

(21) Application number: 87902652.0

(22) Date of filing: 08.05.1987
(51) International Patent Classification (IPC): 
H04M 1/ 02( . )
(86) International application number:
PCT/GB1987/000305
(87) International publication number:
WO 1987/007103 (19.11.1987 Gazette 1987/25)
(84) Designated Contracting States:
AT BE CH DE FR IT LI LU NL SE

(30) Priority: 09.05.1986 GB 19860011348

(71) Applicant: PLESSEY OVERSEAS LIMITED
Ilford Essex IG1 4AQ (GB)

(72) Inventors:
  • STEER, David
    Bracebridge Lincoln LN5 8QX (GB)
  • COLEBOURNE, Leonard
    Porchester Road Nottingham NG3 6LR (GB)
  • HAWKER, Steven
    Arnold Nottingham NG9 8DR (GB)

   


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