(19)

(11)

EP 0 181 889 A1

(12)

(43) Date of publication: 28.05.1986 Bulletin 1986/22 (21) Application number: 85902413.0 (22) Date of filing: 14.05.1985

(51) International Patent Classification (IPC):  H04N 1/ 195( . ) H04N 1/ 40( . ) (86) International application number: PCT/AU1985/000105 (87) International publication number: WO 1985/005520 (05.12.1985 Gazette 1985/26)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 18.05.1984 AU 19840005071 01.10.1984 AU 19840007439 (71) Applicant: WRIGHT, Warwick Lindsay James Surrey Hills, VIC 3127 (AU)	(72) Inventor: WRIGHT, Warwick Lindsay James Surrey Hills, VIC 3127 (AU)