AN APPARATUS FOR CONTROLLING A MOVABLE REFERENCE POINT ON A DISPLAY - Patent 0345338

(19)

(11)

EP 0 345 338 A1

(12)

(43)	Date of publication:
	13.12.1989 Bulletin 1989/50

(21)	Application number: 89901164.0

(22)	Date of filing: 19.12.1988

(51)

International Patent Classification (IPC):

G06F 3/ 033^{( . )}
G06F 3/ 041^{( . )}
H01H 25/ 04^{( . )}

G06F 3/ 038^{( . )}
G06K 11/ 06^{( . )}

(86)	International application number:
	PCT/US1988/004545

(87)	International publication number:
	WO 1989/006023 (29.06.1989 Gazette 1989/14)

(84)	Designated Contracting States:
	DE GB

(30)

Priority:

21.12.1987 US 19870135865

(71)	Applicant: NCR CORPORATION
	Dayton, Ohio 45479 (US)

(72)	Inventors:
	BADER, Leonhard D-8901 Stadtbergen (DE) BECK, Heinrich D-8902 Neusass (DE)

(74)	Representative: Robinson, Robert George
	International Patent Department NCR Limited 206 Marylebone Road London NW1 6LY London NW1 6LY (GB)

(54)	AN APPARATUS FOR CONTROLLING A MOVABLE REFERENCE POINT ON A DISPLAY