(19)
(11) EP 0 248 052 A1

(12)

(43) Date of publication:
09.12.1987 Bulletin 1987/50

(21) Application number: 86906909.0

(22) Date of filing: 04.12.1986
(51) International Patent Classification (IPC): 
G01D 5/ 353( . )
G01N 21/ 43( . )
G02B 6/ 26( . )
G02B 6/ 34( . )
G01K 11/ 32( . )
G02B 6/ 255( . )
G02B 6/ 28( . )
G02F 1/ 01( . )
(86) International application number:
PCT/GB1986/000738
(87) International publication number:
WO 1987/003676 (18.06.1987 Gazette 1987/13)
(84) Designated Contracting States:
DE FR NL

(30) Priority: 04.12.1985 GB 19850029862
04.12.1985 GB 19850029863

(71) Applicant: THE GENERAL ELECTRIC COMPANY, p.l.c.
London W1A 1EH (GB)

(72) Inventors:
  • GEORGIOU, George, Antony
    South Gate London N14 (GB)
  • BOUCOUVALAS, Anthony, Christos
    Middlesex HA2 8AW (GB)

(74) Representative: MacKenzie, Ian Alastair Robert 
The General Electric Company, p.l.c. Central Patent Department Wembley Office Hirst Research Center East Lane
Wembley Middlesex HA9 7PP
Wembley Middlesex HA9 7PP (GB)

   


(54) FIBRE OPTIC DEVICES