(19)

(11)

EP 0 146 548 A1

(12)

(43) Date of publication: 03.07.1985 Bulletin 1985/27 (21) Application number: 83902472.0 (22) Date of filing: 10.06.1983

(51) International Patent Classification (IPC):  H04N 3/ 16( . ) H03K 4/ 64( . ) H04N 3/ 26( . ) H03K 4/ 62( . ) H04N 3/ 23( . ) (86) International application number: PCT/US1983/000923 (87) International publication number: WO 1984/004994 (20.12.1984 Gazette 1984/30)

(84) Designated Contracting States: DE FR GB (71) Applicant: TERMINAL DATA CORPORATION Woodland Hills CA 91364 (US)	(72) Inventor: FREED, Karol Thousand Oaks, CA 91362 (US) (74) Representative: Paget, Hugh Charles Edward, et al  MEWBURN ELLIS York House 23 Kingsway London WC2B 6HP London WC2B 6HP (GB)