Data recording method, data recording device, and recording...

Details Data recording method, data recording device, and recording... Data recording method, data recording device, and recording...

2007-11-27

2007-11-27

Barrón, Jr., Gilberto (Department: 2132)

Electrical computers and digital processing systems: support

Data processing protection using cryptography

By stored data protection

C713S189000, C380S201000

Reexamination Certificate

active

10069538

ABSTRACT:
A method for recording digital data in accordance with the recording format, in which the type of a loaded recording medium is identified and on the basis of the result of the identification a data format is selected for embedding sub data into data to be recorded onto the loaded recording medium so that the data are readable as optical changes. Whether the recording area in which recording is to be performed is a recording area in which the sub data should be embedded or not is discriminated, and if the result of the discrimination indicates that the area in which recording is to be carried out is a recording area in which the sub data should be recorded, the sub data are embedded and recorded into the data to be recorded in a predetermined recording area on the recording medium on the basis of the selected data format.

REFERENCES:
patent: 5598435 (1997-01-01), Williams
patent: 6131161 (2000-10-01), Linnartz
patent: 6157609 (2000-12-01), Shoji et al.
patent: 6359846 (2002-03-01), Shoji et al.
patent: 6438692 (2002-08-01), Kato et al.

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