Dynamic information storage or retrieval – Binary pulse train information signal – Format arrangement processing for auxiliary information
Reexamination Certificate
2005-09-29
2010-11-23
Agustin, Peter Vincent (Department: 2627)
Dynamic information storage or retrieval
Binary pulse train information signal
Format arrangement processing for auxiliary information
Reexamination Certificate
active
07839749
ABSTRACT:
The present invention relates a recording apparatus and a recording method, a reproducing apparatus and a reproducing method, and a program that make it possible to easily judge whether data was recorded in a recording medium by an apparatus of own model. An own model/another model information generating unit41generates, for each arbitrary recording unit, own model/another model information that is information indicating that the recording unit was recorded by an apparatus of own model. A discrimination code calculating unit42sets VMGI and an effective management table TV as a continuous data sequence and sets a result of calculating a hash value of the data sequence as a discrimination code. A recording and reproducing apparatus1records the discrimination code and the own model/another model information in a management table TV area of an optical disk51. When a discrimination code′ obtained by calculating the hash value and a discrimination code recorded in the optical disk51coincide with each other, the recording and reproducing apparatus1reads out the own model/another model information. It is possible to apply the invention to a recording and reproducing apparatus.
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Isobe Yukio
Mae Atsushi
Maeda Tetsuhiro
Nagano Kenichiro
Shiina Hiroki
Agustin Peter Vincent
Finnegan Henderson Farabow Garrett & Dunner L.L.P.
Sony Corporation
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