TRIANGULATION SCHEME FOR MARKING AND ERASING DATA ENTRY DEVICE - Patent 1121662

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EP 1 121 662 A1

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(43)	Date of publication:
	08.08.2001 Bulletin 2001/32

(21)	Application number: 99951767.5

(22)	Date of filing: 05.10.1999

(51)	International Patent Classification (IPC)⁷: G06K 11/14, G06K 11/18

(86)	International application number:
	PCT/US9923/105

(87)	International publication number:
	WO 0022/567 (20.04.2000 Gazette 2000/16)

(84)	Designated Contracting States:
	AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
	Designated Extension States:
	AL LT LV MK RO SI

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Priority:

14.10.1998 US 172798

(71)	Applicant: Electronics for Imaging, Inc.
	Foster City, CA 94404 (US)

(72)	Inventor:
	HOLTZMAN, Rafi San Mateo, CA 94402 (US)

(74)	Representative: Schoppe, Fritz, Dipl.-Ing.
	Patentanwälte Schoppe, Zimmermann, Stöckeler & Zinkler,Postfach 71 08 67 81458 München 81458 München (DE)

(54)	TRIANGULATION SCHEME FOR MARKING AND ERASING DATA ENTRY DEVICE