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Apparatus and method for managing changeable storage medium

A technology for storage media and equipment, applied in the direction of information storage, record information storage, record carrier components, etc., can solve the problems of simplicity and cost reduction, inability to handle new storage media, and hinder the compactness of imaging equipment, etc.

Inactive Publication Date: 2008-04-16
CANON KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, such demands lead to several disadvantages that hinder the compactness, simplicity and cost reduction of imaging devices
There will also be problems with the inability to handle new storage media

Method used

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  • Apparatus and method for managing changeable storage medium
  • Apparatus and method for managing changeable storage medium
  • Apparatus and method for managing changeable storage medium

Examples

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Embodiment Construction

[0031] Hereinafter, preferred embodiments of the present invention will be specifically described with reference to the accompanying drawings.

[0032] FIG. 1 shows an example of an embodiment of the storage medium management system of the present invention.

[0033] Referring to FIG. 1, a digital camera 101 mounts exchangeable storage media A and B exchangeably. A digital video camera (DVR) 102 is adapted to mount exchangeable storage media C and D. A camera-integrated DVR 103 is adapted to mount exchangeable storage media E and F. FIG. The printer 104 is adapted to mount a replaceable storage medium G. As shown in FIG. A digital television (DTV) 105 is adapted to mount a removable storage medium H. As shown in FIG. A personal computer (PC) is suitable for mounting the exchangeable storage media I and J.

[0034] Among these storage media, those A, B, C, E, G, and I may include floppy disks or semiconductor memories conforming to various standards such as PC card standard...

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PUM

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Abstract

A controlling device, after acquiring a file list, media management information (media generation control) and contents management information (contents generation count) of a removable storage medium connected to a controlled device, transmits a command (ERASE, WRITE etc.) containing the media management information and the contents management information to the controlled device. The controlled device compares the media management information held by the controlled device with the media management information contained in the control information, and executes a process according to the command if both media management information mutually coincide but rejects the command if both media management information do not coincide.

Description

[0001] This application is a divisional application of the invention patent application with the application number 00137333.1, the application date is December 1, 2000, and the invention title is "electronic equipment for managing replaceable storage media, its method and storage media". technical field [0002] The invention relates to a device for managing exchangeable storage media and also to a method therefor. Background technique [0003] Networking of imaging devices such as digital still cameras or digital video cameras has recently progressed, and an environment has been developed for connecting such devices with personal computers or peripheral devices at home. [0004] Many such imaging devices are provided with a removable storage medium (also referred to as a removable storage medium), and by converting various digital information (still image data, moving image data, audio data, text data, etc.) , storing such information on such a removable storage medium. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F3/06G06F17/30H04N5/765H04N1/00G11B27/00
Inventor 大西慎二
Owner CANON KK
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