Optical recording medium and method of information recording/rea

Details Optical recording medium and method of information recording/rea Optical recording medium and method of information recording/rea

1999-02-02

2000-10-24

Dinh, Tan

Dynamic information storage or retrieval

Storage medium structure

Optical track structure

3692752, G11B 724

Patent

active

061377694

ABSTRACT:
An optical recording medium which includes a PMA area, a TOC area, program area, an area that includes a user area and lead-out area. A portion of the PMA area, which relates to the program area, is in a recorded state and the TOC area is in an unrecorded state. Alternatively, the PMA may be in an unrecorded state. In addition, a password may be recorded in a portion of an information area. A method of erasing the medium and a system for reading and recording information are also provided.

REFERENCES:
patent: 5337357 (1994-08-01), Chou et al.
patent: 5499225 (1996-03-01), Yoshimura
patent: 5721856 (1998-02-01), Takeuchi
patent: 5825726 (1998-10-01), Hwang et al.
patent: 6021103 (2000-02-01), Tani

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