Optical recording medium having unreadable restricted...

Details Optical recording medium having unreadable restricted... Optical recording medium having unreadable restricted...

2006-09-05

2006-09-05

Dinh, Tan (Department: 2627)

Dynamic information storage or retrieval

Storage medium structure

Optical track structure

C369S047140, C369S053150

Reexamination Certificate

active

07102987

ABSTRACT:
In a medium having a restriction on its function which has an extremely low overwrite cyclability as compared with a common one, information is arranged so as to allow restricted write and read operations in a commonly current write and read drive, i.e., the medium is subjected to specific formatting. It is possible to perform write and read operations with security. The specific format can be performed with parameters taking the special-purpose using conditions (i.e., overwrite cyclability) into consideration. Consequently, it becomes possible to provide a low-priced information recording medium.

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