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Recording device, method and program for recording medium management and recording medium for this program

一种记录介质、管理方法的技术，应用在在磁盘上信息的记录、磁记录、数据记录等方向，能够解决记录装置很难访问记录介质等问题

Inactive Publication Date: 2007-04-11
SONY CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0015] In this case, it is difficult for the above-mentioned recording device to correctly access the recording medium depending on the available capacity data stored in the non-volatile memory

Method used

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  • Recording device, method and program for recording medium management and recording medium for this program
  • Recording device, method and program for recording medium management and recording medium for this program
  • Recording device, method and program for recording medium management and recording medium for this program

Examples

Experimental program
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Effect test

no. 1 example

[0035] (1) Structure of the first embodiment

[0036] FIG. 2 shows a block diagram of the digital camera 1 according to the first embodiment of the present invention. In a digital camera 1, an optical system 2 condenses incident light on an image pickup surface of a charge-coupled device (CCD) solid-state imaging element 6 using a lens module 3 through a shutter 4 and an aperture 5, thereby generating an optical image of an object on the image pickup surface. image. The driver 7 operates the focus ring and the zoom ring of the lens block 3 , the shutter 4 and the aperture 5 according to commands sent from a central processing unit (CPU) 8 .

[0037] A timing generator (TG) 9 generates and outputs various types of reference signals required to operate the digital camera 1 , and a driver 10 operates the CCD solid-state imaging element 6 according to the reference signals generated by the timing generator 9 . Driven by the driver 10, the CCD solid-state imaging element 6 output...

no. 2 example

[0104] According to the second embodiment of the present invention, shock information caused by falling or the like is detected by using the acceleration sensor provided in the digital camera 1 described with reference to FIG. 2 . That is, when the acceleration value detected by the acceleration sensor is equal to and / or greater than a predetermined value and suddenly increases, the CPU 8 determines that an error occurs in the available capacity data stored in the nonvolatile memory 24 due to shock, and executes the process shown in FIG. 4 . handler. Furthermore, when a system error occurs, the CPU 8 restarts the entire operation, and resets the entire digital camera 1 . In this case as well, the CPU 8 determines that an error has occurred in the available capacity data stored in the nonvolatile memory 24, and executes the processing routine shown in FIG. 4 . Furthermore, the CPU 8 manages the free space of each of the HDD 20 and the optical disc device 22, and records image ...

no. 3 example

[0107] According to the third embodiment of the present invention, when data is stored in the HDD 20 and / or the optical disk device 22 provided in the digital camera described with reference to FIG. When the recording medium is formatted, a series of processing procedures shown in FIG. 3 are executed, and the processing procedures are related to the replacement of the recording medium.

[0108] In this case, power-on processing related to the nonvolatile memory 24 is performed. Therefore, when the free capacity data of the recording medium is independently stored in the nonvolatile memory 24, the external device and / or device can correctly access the recording medium according to the free capacity data.

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Abstract

A recording device which records data onto a recording medium includes a nonvolatile memory storing and holding data on a free capacity of the recording medium, and a control unit controlling the data recording. The control unit determines the free-capacity data stored in the nonvolatile memory based on the total capacity of the recording medium when power is turned on. When the determination result indicates that a value of the free-capacity data stored in the nonvolatile memory does not exceed a value of the total capacity of the recording medium, the control unit records the data onto the recording medium with reference to the free-capacity data. When the power is turned off, the control unit updates the free-capacity data so as to reduce the value of the free-capacity data by as much as an amount of the data recorded onto the recording medium.

Description

[0001] Cross References to Related Applications [0002] The present invention contains subject matter related to Japanese Patent Application No. 2005-290875 filed in Japan Patent Office on Oct. 4, 2005, the entire contents of which are hereby incorporated by reference. technical field [0003] The present invention relates to a recording device, a recording medium management method, a program of the recording medium management method, and a recording medium on which the program of the recording medium management method is recorded, and can be applied to, for example, a digital camera. The present invention considers independently storing data related to the available capacity of a recording medium in a nonvolatile memory. Furthermore, the present invention considers confirming the recorded free capacity data according to the total capacity of the recording medium, and starting to record the data when the recording device is activated. Therefore, when the free capacity data o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G11B19/02G11B27/00G06F11/30
CPCH04N2201/214H04N2101/00H04N1/2112
Inventor 下野浩横田淳一伊藤亮吾贝濑文彦武邦彦藤堂博文叶多启二今井健一郎小林幸渡边克比古
Owner SONY CORP
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