(19)

(11)

EP 0 131 014 A1

(12)

(43) Date of publication: 16.01.1985 Bulletin 1985/03 (21) Application number: 84900293.0 (22) Date of filing: 29.12.1983

(51) International Patent Classification (IPC):  H04N 5/ 64( . ) (86) International application number: PCT/GB1983/000354 (87) International publication number: WO 1984/002820 (19.07.1984 Gazette 1984/17)

(84) Designated Contracting States: BE DE FR GB NL SE (30) Priority: 30.12.1982 GB 19820036938 (71) Applicant: MICROVITEC LIMITED Bradford DB4 7TU (GB)	(72) Inventor: MARTINEZ, Anthony Microvitec Limited Bolling Road Bradford BD4 7TU (GB) (74) Representative: Geldard, David Guthrie, et al  URQUHART-DYKES AND LORD 5th Floor, Tower House Merrion Way Leeds, LS2 8PB West Yorkshire Leeds, LS2 8PB West Yorkshire (GB)