(19)

(11)

EP 0 095 492 A1

(12)

(43) Date of publication: 07.12.1983 Bulletin 1983/49 (21) Application number: 83900195.0 (22) Date of filing: 30.11.1982

(51) International Patent Classification (IPC):  G02B 27/ 24( . ) G03C 9/ 08( . ) G02B 27/ 22( . ) H04N 13/ 00( . ) (86) International application number: PCT/GB1982/000339 (87) International publication number: WO 1983/002169 (23.06.1983 Gazette 1983/15)

(84) Designated Contracting States: DE FR GB (30) Priority: 07.12.1981 GB 19810036805 (71) Applicant: RACKHAM, Anthony Charles Hong Kong (HK)	(72) Inventor: LIKITANUPAK, Chalerm Sukhumvit Road, Bangkok 11 (TH) (74) Representative: Allen, Oliver John Richard  Lloyd Wise, Tregear & Co. Norman House 105-109 Strand London, WC2R 0AE London, WC2R 0AE (GB)