DATA RECORDING SYSTEM, DATA RECORDING METHOD AND DATA RECORDING
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Abstract
A data recording system 1 includes: a file generating part 3 for dividing digital data so as to generate a plurality of data files and recording the plurality of the data files sequentially into a recording medium 5; a management file judging part 6 for determining one management file for recording management information of the plurality of the data files; and a management information generating part 4 for recording the management information of the plurality of the data files into the determined management file. The management file judging part 6 determines the management file such that the number of the data files managed by the management file does not exceed a maximum data file number L (L is a natural number) that can be managed by the management file. Thereby, it is possible to record the plurality of the data files that are divided from the digital stream data and are recorded, such that the management of the plurality of the data files is easy.
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Citations
40 Claims
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1-23. -23. (canceled)
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24. A data recording system for dividing continuous digital data into a plurality of data files and recording the plurality of the data files into a recording medium,
the data recording system comprising: -
a file generating part for dividing the continuous digital data so as to generate the plurality of the data files and recording the plurality of the data files sequentially into the recording medium, in parallel with continuously reading of the digital data; a management file judging part for determining one management file that stores management information for managing the plurality of the data files; and a management information generating part for adding the management information including information that shows a recording order of the plurality of the data files into the management file determined by the management file judging part, wherein the management file judging part determines the management file for storing the management information such that, when adding the management information of the plurality of the data files into the management file, the number of the data files managed by the management file does not exceed a maximum data file number L (L is a natural number) that is the number of data files that can be managed by the management file. - View Dependent Claims (25, 26, 27, 28, 29, 30, 31, 32, 33)
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34. A photographing apparatus comprising:
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an imaging part for picking up an incident optical image; a signal processing part for generating video image digital data from the optical image that is picked up by the imaging part; a file generating part for dividing the continuous digital data that is generated by the signal processing part so as to generate a plurality of data files and recording the plurality of the data files sequentially into the recording medium; a management file judging part for determining one management file that stores management information for managing the plurality of data files; and a management information generating part for adding the management information that includes information showing a recording order of the plurality of the data files into the management file determined by the management file judging part, wherein the management file judging part determines a management file for storing the management information such that a data file number that is the number of data files that are managed by the management file when adding the management information of the plurality of the data files into the management file does not exceed the maximum data file number L (L is a natural number) that is the number of data files that can be managed by the management file.
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35. A non-transitory recording medium storing a data recording program that allows a computer to execute processing for dividing continuous digital data into a plurality of data files and recording the plurality of the data files into a recording medium,
the data recording program allowing the computer to execute: -
file generating processing for dividing the continuous digital data so as to generate a plurality of the data files and recording the plurality of the data files sequentially into the recording medium; management file judgment processing for determining one management file that stores the management information for managing the plurality of the data files; and management information generation processing for adding the management information including information showing a recording order of the plurality of the data files into the management file determined by the management file judging part, wherein the management file judgment processing is processing for determining a management file for storing the management information such that, when adding the management information of the plurality of the data files into the management file, the number of the data files managed by the management file does not exceed a maximum data file number L (L is a natural number) that is the number of data files that can be managed by the management file. - View Dependent Claims (36, 37)
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38. A data recording method in which a computer divides continuous digital data into a plurality of data files and records the plurality of the data files into a recording medium,
the data recording method comprising: -
a file generating step for dividing the continuous digital data so as to generate the plurality of the data files and recording the plurality of the data files sequentially into the recording medium; a management file judging step for determining one management file for storing management information for managing the plurality of the data files; and a management information generating step for adding the management information including information that shows a recording order of the plurality of the data files into the management file determined in the management file judging step, wherein the management file judging step comprises determining the management file for storing the management information such that, when adding the management information of the plurality of the data files into the management file, the number of the data files managed by the management file does not exceed a maximum data file number L (L is a natural number) that is the number of data files that can be managed by the management file. - View Dependent Claims (39, 40)
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Specification