Data recording apparatus and associated method of imparting...

Details Data recording apparatus and associated method of imparting... Data recording apparatus and associated method of imparting...

2007-05-22

2007-05-22

Patel, Gautam R. (Department: 2627)

Dynamic information storage or retrieval

Binary pulse train information signal

Format arrangement processing for auxiliary information

Reexamination Certificate

active

10309248

ABSTRACT:
A method is provided for recording medium having a substrate on which first data and second data are recorded as a protrusion/depression pattern and a reflective layer that is provided on a surface having the protrusion/depression pattern. Laser light is radiated to the reflective layer to change the protrusion/depression pattern of the second data, and third data used for identifying the recording medium is additionally recorded at a predetermined position on the recording medium.

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