(19)

(11)

EP 0 364 455 A1

(12)

(43) Date of publication: 25.04.1990 Bulletin 1990/17 (21) Application number: 88903009.0 (22) Date of filing: 18.02.1988

(51) International Patent Classification (IPC):  H04N 9/ 43( . ) (86) International application number: PCT/US1988/000500 (87) International publication number: WO 1988/006392 (25.08.1988 Gazette 1988/19)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 18.02.1987 US 19870017421 07.01.1988 US 19880141959 (71) Applicant: GESHWIND, David New York, NY 10023 (US)	(72) Inventor: GESHWIND, David New York, NY 10023 (US) (74) Representative: de Bruijn, Leendert C., et al  Nederlandsch Octrooibureau P.O. Box 29720 NL-2502 LS Den Haag NL-2502 LS Den Haag (NL)