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(11)

EP 0 604 419 A1

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(43) Date of publication: 06.07.1994 Bulletin 1994/27 (21) Application number: 91917403.0 (22) Date of filing: 22.07.1991

(51) International Patent Classification (IPC):  H04N 1/ 192( . ) (86) International application number: PCT/US1991/005176 (87) International publication number: WO 1993/002522 (04.02.1993 Gazette 1993/04)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IT LI LU NL SE (71) Applicant: PHOTON IMAGING CORP. Edison, NJ 08837 (US)	(72) Inventors: FEDER, Peretz, Photon Imaging Corporation Edison, NJ 08837 (US) HARRISON, Marc L., Photon Imaging Corporation Edison, NJ 08837 (US) HWANG, Cherng-Jia, Photon Imaging Corporation Edison, NJ 08837 (US) (74) Representative: Pellmann, Hans-Bernd, Dipl.-Ing., et al  Patentanwaltsbüro Tiedtke-Bühling-Kinne & Partner Bavariaring 4 D-80336 München D-80336 München (DE)