Data recording apparatus
AssigneeSanyo Electric Co., Ltd.
InventorsHiroshi Tsunoda, Akira Toba
Life of this patent
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Abstract
A data recording apparatus includes a slot for receiving a memory card having a disk, a flash memory and a controller. Each time one frame of compressed image data is recorded to the disk, a vacant capacity value of the disk is written to the flash memory. This vacant capacity value is read out according to an instruction given from a CPU. When the vacant capacity of the disk is lower than the vacant capacity of a compressed image area formed in an SDRAM, the CPU invalidates the vacant capacity of the compressed image area in a portion exceeding the vacant capacity of the disk. This restricts the number of frames to be picture-taken.
Claims9
A data recording apparatus having a slot for receiving therein a removable recording medium including a first semiconductor memory and a disk, to record data fetched by a fetcher and temporarily stored in a second semiconductor memory to the disk, comprising:
- a vacant capacity value writer for writing a first vacant capacity value of said disk to said first semiconductor memory after the data have been recorded;
- a vacant capacity value reader for reading the first vacant capacity value out of said first semiconductor memory when turning on a power;
- and
- a restricter for restricting an amount of data to be fetched by said fetcher on the basis of the first vacant capacity value read out by said vacant capacity value reader.
A data recording apparatus having a slot for receiving therein a removable recording medium including a semiconductor memory and a disk, to record data fetched by a fetcher to said disk, comprising:
- a vacant capacity value writer to write a vacant capacity value of said disk to said semiconductor memory after the data have been recorded;
- a vacant capacity value reader to read the vacant capacity value out of said semiconductor memory when a power is turned on;
- and
- an outputter to output information related to the vacant capacity value read out by said reader.
Dependencies are inferred from the claim text.