RECORDING MEDIUM HAVING ELECTRONIC CIRCUIT AND METHOD FOR USING THEREOF - Patent 0970472

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EP 0 970 472 A1

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(43)	Date of publication:
	12.01.2000 Bulletin 2000/02

(21)	Application number: 98928545.7

(22)	Date of filing: 18.06.1998

(51)	International Patent Classification (IPC)⁷: G11B 19/12, G11B 23/30

(86)	International application number:
	PCT/JP9802/695

(87)	International publication number:
	WO 9858/376 (23.12.1998 Gazette 1998/51)

(84)	Designated Contracting States:
	DE FR GB IT NL

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Priority:

18.06.1997 JP 16166397

(71)	Applicant: Kabushiki Kaisha Optrom
	Miyagi-ken 989-3124 (JP)

(72)	Inventors:
	SHIGETOMI, TakashiKabushiki Kaisha Optrom Sendai-shiMiyagi-ken 989-3124 (JP) SAITO, TetsuoKabushiki Kaisha Optrom Miyagi-ken 989-3124 (JP) KOMAKI, TsunematsuAdvanced Electronics K.K. Tokyo 111-053 (JP)

(74)	Representative: Santarelli, Marc
	Cabinet Rinuy et Santarelli14, avenue de la Grande Armée 75017 Paris 75017 Paris (FR)

(54)	RECORDING MEDIUM HAVING ELECTRONIC CIRCUIT AND METHOD FOR USING THEREOF