(19)

(11)

EP 0 619 057 A1

(12)

(43) Date of publication: 12.10.1994 Bulletin 1994/41 (21) Application number: 93901165.0 (22) Date of filing: 17.12.1992

(51) International Patent Classification (IPC):  H04J 13/ 00( . ) H04N 7/ 24( . ) H04L 5/ 02( . ) H04N 7/ 26( . ) (86) International application number: PCT/US1992/010962 (87) International publication number: WO 1993/013611 (08.07.1993 Gazette 1993/16)

(84) Designated Contracting States: AT BE DE DK FR GB IE IT LU MC NL PT SE (30) Priority: 23.12.1991 US 19910812417 (71) Applicant: COMPFAX CORPORATION West New York, NJ 07093 (US)	(72) Inventor: GRUENBERG, Elliot, L. West New York, NJ 07093 (US) (74) Representative: Beresford, Keith Denis Lewis, et al  BERESFORD & Co. 2-5 Warwick Court High Holborn London WC1R 5DJ London WC1R 5DJ (GB)