(19)

(11)

EP 0 180 593 A1

(12)

(43) Date of publication: 14.05.1986 Bulletin 1986/20 (21) Application number: 85901828.0 (22) Date of filing: 27.03.1985

(51) International Patent Classification (IPC):  G09G 1/ 16( . ) G09G 5/ 00( . ) (86) International application number: PCT/US1985/000505 (87) International publication number: WO 1985/004976 (07.11.1985 Gazette 1985/24)

(84) Designated Contracting States: DE FR GB (30) Priority: 19.04.1984 JP 19840077643 30.11.1984 US 19840677115 (71) Applicant: NCR CORPORATION Dayton, Ohio 45479 (US)	(72) Inventors: YANG, Chin-Cheng Hiratsuka-shi Kanagawa-ken (JP) FUJIKAWA, Shinsaku Hiratsuka-shi, Kanagawa-ken (JP) UTSUMI, Masashi Isehara-shi, Kanagawa-ken (JP) (74) Representative: Robinson, Robert George  International Patent Department NCR Limited 206 Marylebone Road London NW1 6LY London NW1 6LY (GB)