INTERACTIVE OPTICAL DISK, METHOD OF FABRICATION AND APPARATUS FOR RECORDING THEREON - Patent 0473672

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EP 0 473 672 A1

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(43)	Date of publication:
	11.03.1992 Bulletin 1992/11

(21)	Application number: 90908404.0

(22)	Date of filing: 10.05.1990

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International Patent Classification (IPC):

G11B 7/ 00^{( . )}
G11B 7/ 005^{( . )}
G11B 7/ 007^{( . )}
G11B 7/ 26^{( . )}

G11B 7/ 0045^{( . )}
G11B 7/ 0055^{( . )}
G11B 7/ 24^{( . )}

(86)	International application number:
	PCT/US1990/002627

(87)	International publication number:
	WO 1990/014663 (29.11.1990 Gazette 1990/27)

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

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Priority:

25.05.1989 US 19890357504

(71)	Applicant: TANDY CORPORATION
	Fort Worth Texas 76102 (US)

(72)	Inventors:
	CLARK, Bryan, K. Sunnyvale, CA 94086 (US) GUERRA, Robert Santa Clara, CA 95050 (US)

(74)	Representative: Tomlinson, Kerry John
	Frank B. Dehn & Co. European Patent Attorneys Imperial House 15-19 Kingsway London WC2B 6UZ London WC2B 6UZ (GB)

(54)	INTERACTIVE OPTICAL DISK, METHOD OF FABRICATION AND APPARATUS FOR RECORDING THEREON