Dynamic information storage or retrieval – Storage medium structure – Optical track structure
Patent
1991-07-02
1993-08-03
Weinhardt, Robert A.
Dynamic information storage or retrieval
Storage medium structure
Optical track structure
235494, 235454, G06K 1906, G11B 7013
Patent
active
052335984
ABSTRACT:
In an information recording medium, there are provided with plural information track groups each provided with plural information tracks, and identification areas respectively formed in the plural information track groups and having codes respectively indicating the information track groups. An information reproducing process, for reproducing the information from the information reproducing medium, comprises the steps of detecting a code of the identification area indicating a desired information track group, and reproducing the information stored in the information track group, in response to the result of the detecting step.
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Endo Kiyonobu
Hoshi Hiroaki
Canon Kabushiki Kaisha
Weinhardt Robert A.
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