Dynamic information storage or retrieval – Storage medium structure – Composite
Reexamination Certificate
2011-06-07
2011-06-07
Dinh, Tan X (Department: 2627)
Dynamic information storage or retrieval
Storage medium structure
Composite
C369S275300
Reexamination Certificate
active
07957252
ABSTRACT:
The present invention provides an optical disc on which a visible image can be formed by irradiation of laser light, which comprises a logo area on which visible information is indicated, a pre-pit signal area, and an image forming area on which a visible image can be formed by irradiation of laser light; and an image forming method of forming a visible image by irradiation of laser light on an optical disc, the method including detecting a pre-pit signal from a pre-pit signal area formed on the optical disc, and forming the visible image based on the result of the detection, wherein the optical disc is the optical disc of an aspect of the invention.
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Fushiki Tatsuo
Itoga Hisanori
Kubo Hiroshi
Shibata Michihiro
Yamada Seiya
Dinh Tan X
FUJIFILM Corporation
Herring Chad M.
Moss Sheldon J.
Yamaha Corporation
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