Motion video signal processing for recording or reproducing – Local trick play processing – With randomly accessible medium
Reexamination Certificate
2007-06-19
2007-06-19
Tran, Thai Q. (Department: 2621)
Motion video signal processing for recording or reproducing
Local trick play processing
With randomly accessible medium
C386S349000
Reexamination Certificate
active
10431877
ABSTRACT:
In a ROW-based DVD-RW, a DVD video file is managed according to provisional VMGI (TMP_VMGI) and an extension file other than the DVD video file, such as a JPEG file or the like is managed according to intermediate management information (TMP_EXTI), and temporary space bitmap (TMP_SBM) used in UDF and the like is added to provisional VMGI (TMP_VMGI to record a combination of the DVD video file and extension file such as JPEG file and manage the temporary space. Thereby, the temporary space can be known from TMP_SBM, and even when the extension file has been deleted, the DVD-RW is made interchangeable with a read-only optical disk through finalization. Thus, the present invention allows to record a file of still pictures other than moving pictures and also pad information in a temporary space resulted from deletion of any recorded area.
REFERENCES:
patent: 6118924 (2000-09-01), Nakatani et al.
patent: 2002/0021890 (2002-02-01), Haino et al.
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Aridome Kenichiro
Matsuno Katsumi
Sugino Akinobu
Yoshioka Shingo
Dunn Mishawn
Frommer William S.
Pioneer Corporation
Sony Corporation
Tran Thai Q.
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