KR20090032936A - Mobile memory device and method for managing data stored in the same - Google Patents

Mobile memory device and method for managing data stored in the same Download PDF

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Publication number
KR20090032936A
KR20090032936A KR1020080055142A KR20080055142A KR20090032936A KR 20090032936 A KR20090032936 A KR 20090032936A KR 1020080055142 A KR1020080055142 A KR 1020080055142A KR 20080055142 A KR20080055142 A KR 20080055142A KR 20090032936 A KR20090032936 A KR 20090032936A
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KR
South Korea
Prior art keywords
data
predetermined
memory device
stored
portable memory
Prior art date
Application number
KR1020080055142A
Other languages
Korean (ko)
Inventor
박석환
Original Assignee
박석환
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 박석환 filed Critical 박석환
Priority to KR1020080055142A priority Critical patent/KR20090032936A/en
Publication of KR20090032936A publication Critical patent/KR20090032936A/en

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/14—Error detection or correction of the data by redundancy in operation
    • G06F11/1402—Saving, restoring, recovering or retrying
    • G06F11/1446—Point-in-time backing up or restoration of persistent data
    • G06F11/1448—Management of the data involved in backup or backup restore
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38—Information transfer, e.g. on bus
    • G06F13/382—Information transfer, e.g. on bus using universal interface adapter
    • G06F13/385—Information transfer, e.g. on bus using universal interface adapter for adaptation of a particular data processing system to different peripheral devices
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
    • G06F3/0601—Interfaces specially adapted for storage systems
    • G06F3/0602—Interfaces specially adapted for storage systems specifically adapted to achieve a particular effect
    • G06F3/062—Securing storage systems
    • G06F3/0623—Securing storage systems in relation to content
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
    • G06F3/0601—Interfaces specially adapted for storage systems
    • G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
    • G06F3/0646—Horizontal data movement in storage systems, i.e. moving data in between storage devices or systems
    • G06F3/0652—Erasing, e.g. deleting, data cleaning, moving of data to a wastebasket

Abstract

Disclosed are a portable memory device and a method of managing data stored in the portable memory device. A connection unit for connecting through a connection port in the predetermined device to transmit / receive data with a predetermined device, a storage unit for storing data transmitted / received through the connection unit, and deleting data stored in the storage unit. A portable memory device including a control unit for controlling to store the stored data in a separate storage area for storage. In addition, the control unit is configured to control to restore the data stored in the separate storage area.

Therefore, when using the portable memory device according to the present invention as described above, there is an effect that can easily refer to or restore the deleted data to preserve.

Description

MOBILE MEMORY DEVICE AND METHOD FOR MANAGING DATA STORED IN THE SAME}

The present invention relates to a portable memory device and a method of managing data stored in the portable memory device. In addition, the present invention relates to a portable memory device and a recording medium having recorded thereon a program for realizing a method of managing data stored in the portable memory device.

Conventionally, portable memory devices such as a USB memory device or a secure digital memory card are widely used. Such portable memory devices are widely used in portable terminals such as computers, digital cameras, and personal digital assistants (PDAs). The user may transfer data to another device and store the data by using the portable memory device, or carry the required data to use in another device.

Such portable memory devices are excellent in terms of convenience and efficiency, but are not guaranteed in terms of preservation of data stored therein. Since portable memory devices mainly incorporate flash memory, once stored data still stores the data even when the power supply is cut off. However, there is a problem that once data in the portable memory device is deleted, it cannot be restored again.

In general, devices such as a desktop computer or a notebook computer delete data stored on a hard disk, but restore the data to preserve the data. For example, if you delete a file in a folder in the well-known Windows Operating System (Windows OS), it will be kept in the Trash folder. Therefore, even if data is deleted due to a user's mistake, such mistake can be easily healed.

However, the data stored in the portable memory device cannot be restored again. For a variety of reasons, such as a user's mistake or a virus infection, the user has a fatal weakness that can only completely destroy the data stored in the portable memory device.

SUMMARY OF THE INVENTION An object of the present invention for solving the above problems is to provide a portable memory device capable of restoring stored data or preventing deletion.

Another object of the present invention for solving the above problems is to provide a method of managing data stored in a portable memory device.

According to an aspect of the present invention, a connection unit for connecting through a connection port in the predetermined device, a storage unit for storing data transmitted and received through the connection unit, and the storage unit can transmit and receive data with a predetermined device. When deleting the data stored in the unit, there is provided a portable memory device including a control unit for controlling to store and save the deleted data in a separate storage area.

Here, the control unit may be configured to control to restore the data stored in the separate storage area.

In this case, the connection unit may be configured to connect to the connection port in the predetermined device according to the USB protocol.

The portable memory device may be any one of a USB memory device, an SD memory card, an SDHC memory card, a multimedia card, a memory stick, a smart media card, a compact flash memory, and an external hard disk.

The predetermined device may be a computer or a portable terminal.

The separate storage area may be configured to be a predetermined storage area in the storage unit or a predetermined storage area in the predetermined device.

The control unit may be configured to be a software program stored and installed in the storage unit.

According to an aspect of the present invention, a function of storing data in a portable memory device, a function of storing and storing deleted data in a separate storage area when deleting the stored data, and the preservation Provided is a computer readable medium having recorded thereon a program for realizing a function of restoring old data.

According to an aspect of the present invention for achieving the above object, a connection unit for connecting through a connection port in the predetermined device to transmit and receive data with a predetermined device, and a storage unit for storing data transmitted and received through the connection unit And a control unit which presets a predetermined area in the storage unit as an erasure prevention area and controls the stored data to be stored without being deleted when data is stored in the erasure protection area.

Here, the controller may be configured to control to set or release a predetermined directory as the delete protection region by using a directory attribute.

One aspect of the present invention for achieving the above another object is a function for storing data in a portable memory device, a function of presetting a predetermined storage area in the portable memory device as an erase protection area, and data in the erase protection area. Is stored, the present invention provides a computer-readable medium having recorded thereon a program for realizing a function of controlling the stored data to be stored without being deleted.

According to an aspect of the present invention, there is provided a method of managing data stored in a portable memory device, the method including deleting stored data and storing and storing the deleted data in a separate storage area. to provide.

Here, the method may further include restoring the preserved data.

In this case, the separate storage area may be configured to be a predetermined storage area in the storage unit or a predetermined storage area in the predetermined device.

The portable memory device may be a USB memory device, an SD memory card, an SDHC memory card (Secure Digital High Capacity Memory Card), a multimedia card (MMC), a memory stick, a memory card, a smart media card, or a compact flash. The memory may be one of a compact flash memory and an external hard disk.

The predetermined device may be a computer or a portable terminal.

In the storing and preserving in the separate storage area, the separate storage area may be a predetermined storage area in the portable memory device or a predetermined storage area in a predetermined device to which the portable memory device is connected.

According to an aspect of the present invention, a predetermined area of a portable memory device may be set as an erase protection area, storing data in the set deletion protection area, and an event for deleting the stored data. Occurs, displaying an image indicating that the stored data cannot be deleted without deleting the stored data.

In this case, in the setting of the delete protection region, the control may be configured to set or release a predetermined directory as the deletion protection region by using a directory attribute.

When the portable memory device and the method of managing data stored in the portable memory device according to the present invention are used as described above, even if the data stored in the portable memory device is deleted, the deleted data can be easily referred to or restored to be preserved. .

On the other hand, by setting a certain area in the portable memory device as an erasure protection area and storing data in the erasure protection area, it is possible to prevent important data from being deleted by mistake.

As the invention allows for various changes and numerous embodiments, particular embodiments will be illustrated in the drawings and described in detail in the written description.

However, this is not intended to limit the present invention to specific embodiments, it should be understood to include all modifications, equivalents, and substitutes included in the spirit and scope of the present invention. In describing the drawings, similar reference numerals are used for similar elements. It should be noted that the same elements in the drawings are represented by the same reference numerals and symbols as much as possible even though they are shown in different drawings. In addition, in describing the present invention, when it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted.

Terms such as first, second, A, and B may be used to describe various components, but the components should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from another.

For example, without departing from the scope of the present invention, the first component may be referred to as the second component, and similarly, the second component may also be referred to as the first component. The term and / or includes a combination of a plurality of related items or any item of a plurality of related items.

When a component is referred to as being "connected" or "connected" to another component, it may be directly connected to or connected to that other component, but it may be understood that other components may be present in between. Should be. On the other hand, when a component is said to be "directly connected" or "directly connected" to another component, it should be understood that there is no other component in between.

The terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting of the present invention. Singular expressions include plural expressions unless the context clearly indicates otherwise. In this application, the terms "comprise" or "have" are intended to indicate that there is a feature, number, step, action, component, part, or combination thereof described in the specification, one or more other It is to be understood that the present invention does not exclude the possibility of the presence or the addition of features, numbers, steps, operations, components, parts, or a combination thereof.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art. Terms such as those defined in the commonly used dictionaries should be construed as having meanings consistent with the meanings in the context of the related art, and shall not be construed in ideal or excessively formal meanings unless expressly defined in this application. Do not.

Hereinafter, with reference to the accompanying drawings a first preferred embodiment according to the present invention will be described in detail. 1 is a block diagram illustrating a connection state between a portable memory device and a predetermined device for explaining an operation of the portable memory device.

Referring to FIG. 1, the portable memory device 100 includes a connection unit 110, a storage unit 120, and a controller 130. The predetermined device 200 includes a connection port 210, a driver 220, a storage 230, a display 240, and a controller 250. Here, the portable memory device 100 is a series of devices for separately storing data stored in the predetermined device 200 or making the stored data available to the predetermined device 200 to which the stored data can be connected. Hereinafter, each configuration will be described in more detail with reference to FIG. 1.

The connection unit 110 is a configuration for connecting through the connection port 210 in the predetermined device 200 so as to transmit and receive data with the predetermined device 200. Here, the predetermined device 200 is sufficient if the configuration having such a connection port 210 can be connected to match the connection unit 110. Examples may include a computer, a digital camera, a portable terminal such as a PDA or a cellular phone, a digital television having a certain storage space, and the like. The connection unit 110 should be configured to send and receive data according to a predetermined protocol. Typically, there is a configuration according to the Universal Serial Bus (USB) protocol. However, these protocols or protocols are not limited to the USB, it is sufficient if the configuration promised to enable data transmission and reception.

The storage unit 120 is a component for storing data transmitted and received through the connection unit 110. For example, flash memory or a hard disk. However, the storage unit 120 should have a configuration that does not lose data while carrying without supply of power.

When the controller 130 deletes the data stored in the storage 120, the controller 130 controls to store the deleted data in a separate storage area. That is, the controller 130 is configured to allow the user to refer to it even after data is deleted. The controller 130 may set such a separate storage area in the storage 120, or may set the separate storage area in the predetermined storage area of the storage 230 in the predetermined device 200. This separate storage area may be composed of a predetermined folder or directory. That is, the controller 130 may create a separate storage area at the time of execution. It can be configured to store the data or files in the deleted order in one fixed folder. On the other hand, it may be configured so that data or files deleted by creating a folder for each date can be stored and preserved. However, the size of the separate storage area may be configured to be set flexibly at the user's discretion. When the capacity of the separate storage area is full, files may be deleted completely or deleted completely in the order of deletion. It may be configured to confirm. And it can be configured to set whether or not to automatically save the file to be deleted in a separate storage area. It may be a form of automatically preserving or non-preserving all data set or deleted for individual data. On the other hand, when the controller 130 creates such a separate storage area in the storage unit 230 in the predetermined device 200, a separate folder or directory is created in the predetermined device 200 and deleted from the storage unit 120. The data may be configured to be separated and preserved. In the case of the storage unit 120 of the portable memory device 100, since the capacity thereof is limited, it may not be sufficient to keep all the deleted data. Therefore, it may be separately stored in a hard disk in a predetermined device 200 such as a computer. However, due to the portability of the portable memory device 100, there are many cases in which the portable memory device 100 is connected to the user's computer instead of the user's personal computer. In this case, it may be necessary to have a configuration for receiving confirmation from the user about whether to set a separate storage area on another user's computer. However, even in such a case, a folder or directory name in the predetermined device 200 is managed using a serial number of the portable memory device 100 itself or an ID set by a user, thereby distinguishing which area is a separate storage area. It can be a configuration that can be done. In addition, the data deleted from the storage unit 120 of the portable memory device 100 may be unknown in which storage unit 230 of the predetermined device 200. Therefore, the control unit 120 separately creates and stores a list of information such as the file name deleted from the storage unit 120, the computer name of the stored computer, the computer serial number, the folder name where the deleted file is stored, and the date and time of deletion. It may be controlled to be stored in the unit (120). That way, you can easily find the archived file.

On the other hand, the controller 130 controls to restore the data deleted and stored in a separate storage area. That is, the deleted data is stored again in the original folder or directory so that the user can use it again. This arrangement has the effect that a user can reuse data that has been deleted or deleted for mistaken or other reasons.

However, such data preservation or restoration may be performed such that the data is copied back to the area itself. However, it is preferable to use the file system to set the data storage area using only the file information. .

The controller 130 is configured in the portable memory device 100 and may be configured as a software program installed in a predetermined area of the storage 120. That is, as a software program for realizing the functions mentioned in the above embodiments, such a software program may be used after being downloaded and installed through a recorded medium.

On the other hand, such a portable memory device 100 is conventionally implemented in various ways, such as a USB memory device, SD memory card, SDHC memory card, multimedia card, memory stick, smart media card, compact flash memory, external hard disk, etc. Regardless of In addition, referring to the connection unit 110 of the present invention with respect to the various portable memory devices 100, a separate reader for reading data from each of these portable memory devices 100 is provided, And the connection unit 110 may be configured to connect with a USB cable. In addition, the portable memory device 100 may have a slot suitable for each type, and may be configured to transmit and receive data.

On the other hand, the predetermined device 200 is not limited to a computer, a digital camera, a portable terminal, a digital television, or the like, but any other configuration that can be used in connection with the portable memory device 100 is sufficient. Here, the driving unit 220 of the predetermined device 200 is a configuration for driving the portable memory device 100, for example, a USB drive driver. The storage unit 230 is a configuration for storing data, for example, a hard disk of a computer. The display unit 240 is a configuration for displaying a file configuration, data, and the like of the portable memory device 100, such as a computer monitor. Next, the controller 250 may be a computer operating system as a configuration for general control of the predetermined device 200, for example, a computer. Here, the user searches for, displays, deletes, or restores the stored data of the portable memory device 100 through the predetermined device 200. At this time, when the control unit 250 of the predetermined device 200 transmits an event to the portable memory device 100 according to a user's selection, the control unit 130 of the portable memory device 100 stores the storage described above. Or it may be a configuration to control to perform a series of functions such as restoration.

Hereinafter, with reference to the accompanying drawings a second preferred embodiment according to the present invention will be described in detail. A description with reference to FIG. 1 is as follows.

In the second embodiment, the components of the portable memory device 100 may implement the functions mentioned in the first embodiment, but the controller 130 may not store or restore the data described in the first embodiment. Implement other functions. The control unit 130 will be described.

The controller 130 presets a deletion protection area of the predetermined area in the storage 120, and controls the stored data to be stored without being deleted when the data is stored in the deletion protection area. The delete protection area may be set in units of folders or directories, and may be configured by assigning a property such as delete protection to a folder. That is, the data in the folder where the delete protection property is set may be configured to ignore and not delete the delete event. In addition, if these attributes are released, the folder can be deleted. Therefore, the user can assign these attributes to a desired folder to safely store the data in the folder, or save the data to be deleted-protected in the folder to which the attribute is assigned, thereby preventing data lost by mistake or for other reasons. There is.

On the other hand, the control unit 130 of the second embodiment may also be configured as a software program installed in a predetermined area in the storage unit 120. That is, as a software program for realizing the functions mentioned in the second embodiment, such a software program may be used after downloading and installing through a recorded medium.

Hereinafter, with reference to the accompanying drawings a third preferred embodiment according to the present invention will be described in detail. 2 is a flowchart illustrating a method of managing data stored in a portable memory device according to the present invention.

Referring to FIG. 2, in the method of managing data stored in the portable memory device, the connection unit 110 of the portable memory device 100 is connected through the connection port 210 of the predetermined device 200. And when the user selects to delete the predetermined data stored in the storage unit 120 of the portable memory device 100 through the interface of the predetermined device 200, the deletion event through the control unit 250 of the predetermined device 200 Is generated. In this case, the controller 130 of the portable memory device 100 determines whether the deletion event occurs by detecting the deletion event generated through the controller 250. (S110) If it is determined that the deletion event has occurred, the controller ( In operation 130, the data to be deleted is stored in a predetermined region in the storage 120 of the portable memory device 100 or in a predetermined region in the storage 240 of the predetermined device 200. In this case, the storage method, the setting method, and the like are the same as in the above-described first embodiment.

Meanwhile, the controller 130 determines whether a restoration event occurs according to a user's selection of the data stored in S300. (S130) Here, the controller 130 controls the display unit 240 of the predetermined device 200. A separate menu can be provided, and this menu provides an interface for allowing a user to selectively restore deleted and preserved data.

Such a restore event may occur through the controller 130 of the portable memory device 100, and restore data stored in the storage 120 of the portable memory device 100 according to the restore event, or predetermined device 200. To restore the data stored in the storage unit 230 of (S140).

Hereinafter, with reference to the accompanying drawings a fourth preferred embodiment according to the present invention will be described in detail. 3 is a flowchart illustrating a method of managing data stored in another portable memory device according to the present invention.

Referring to FIG. 3, in the method of managing data stored in the portable memory device, the connection unit 110 of the portable memory device 100 is connected through the connection port 210 of the predetermined device 200. )

In addition, the controller 130 in the portable memory device 100 sets the predetermined storage area in the storage 120 as an erasure protection area (S210). In this case, the controller 130 may display the display unit 240 of the predetermined device 200. Through a separate menu provided through the user may be configured so that the user can arbitrarily set the delete protection area. The delete protection region may assign a delete protection property to an existing folder or may assign a separate folder to give a delete protection property. Even if a deletion event is generated through the controller 250 using a separate flag, the controller 130 of the portable memory device 100 reads the flag to control the deletion event not to be executed. Of course, the data of the deletion protection area may be deleted after the flag of the folder is released.

Next, the data stored in the storage unit 230 of the predetermined device 200 is stored in the storage unit 120 of the portable memory device 100. (S220) Of course, the data stored in the folder arbitrarily designated by the user.

The controller 130 of the portable memory device 100 detects whether a deletion event for the stored data occurs (S230). This will be a deletion event transmitted from the controller 250 of the predetermined device 200. The controller 130 determines whether the detected deletion event is a deletion event for deleting data in the deletion protection area. (S240) If the deletion event is not related to data deletion in the deletion protection area, the corresponding data is deleted (S255). However, if the generated deletion event is a deletion event for data in the deletion protection area, the deletion event is ignored and the deletion is not executed. In addition, the controller 130 controls the display unit 240 to display a message indicating that it cannot be deleted.

Although described above with reference to a preferred embodiment of the present invention, those skilled in the art will be variously modified and changed within the scope of the invention without departing from the spirit and scope of the invention described in the claims below I can understand that you can.

1 is a block diagram illustrating an operation of a portable memory device according to the present invention.

2 is a flowchart illustrating a method of managing data stored in a portable memory device according to the present invention.

3 is a flowchart illustrating a method of managing data stored in another portable memory device according to the present invention.

Claims (19)

A connection unit for connecting through a connection port in the predetermined device to transmit and receive data with a predetermined device; A storage unit for storing data transmitted and received through the connection unit; And And deleting the data stored in the storage unit, and controlling the controller to store and delete the deleted data in a separate storage area. The method of claim 1, wherein the control unit, And restore the data stored in the separate storage area. The method of claim 2, wherein the connecting portion, And a connection port in the predetermined device according to USB protocol. The portable memory device of claim 2, wherein the portable memory device comprises: And a USB memory device, an SD memory card, an SDHC memory card, a multimedia card, a memory stick, a smart media card, a compact flash memory, and an external hard disk. The method of claim 4, wherein the predetermined device, Portable memory device, characterized in that the computer or portable terminal The method of claim 5, wherein the separate storage area, And a predetermined storage area in the storage unit or a predetermined storage area in the predetermined device. The method of claim 6, wherein the control unit, And a software program stored and installed in the storage unit. A computer storing a program for realizing a function of storing data in a portable memory device, storing and storing the deleted data in a separate storage area when the stored data is deleted, and restoring the stored data; Readable media. A connection unit for connecting through a connection port in the predetermined device to transmit and receive data with a predetermined device; A storage unit for storing data transmitted and received through the connection unit; And And a control unit which presets a predetermined area in the storage unit as an erasure prevention area and controls to store the stored data without deleting the data when the data is stored in the erasure protection area. The method of claim 9, wherein the control unit, And setting or releasing a predetermined directory into the erasure protection area by using a directory attribute. A function of storing data in a portable memory device, a function of presetting a predetermined storage area in the portable memory device as an erasure protection area, and controlling the stored data to be stored without being deleted when data is stored in the erasure protection area; A computer-readable medium that records a program to realize a function. Deleting the stored data; And And storing the deleted data in a separate storage area to store the deleted data. The method of claim 12, And restoring the preserved data. The method of claim 13, wherein the separate storage area, And a predetermined storage area in the storage unit or a predetermined storage area in the predetermined device. The portable memory device of claim 14, wherein the portable memory device comprises: And a USB memory device, an SD memory card, an SDHC memory card, a multimedia card, a memory stick, a smart media card, a compact flash memory, or an external hard disk. The method of claim 15, wherein the predetermined device, A method of managing data stored in a portable memory device, characterized in that it is a computer or a portable terminal. The method of claim 16, wherein in the storing and preserving in the separate storage area, And the separate storage area is a predetermined storage area in the portable memory device or a predetermined storage area in a predetermined device to which the portable memory device is connected. Setting a predetermined area in the portable memory device as an erase protection area; Storing data in the set erasure protection area; And displaying an image indicating that the stored data cannot be deleted without deleting the stored data when the event of deleting the stored data occurs. 19. The method of claim 18, wherein the step of setting the erase protection area comprises: And controlling a predetermined directory to be set or released into the erasure protection area by using a directory attribute.
KR1020080055142A 2008-06-12 2008-06-12 Mobile memory device and method for managing data stored in the same KR20090032936A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109542334A (en) * 2017-09-21 2019-03-29 东芝存储器株式会社 Memory device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109542334A (en) * 2017-09-21 2019-03-29 东芝存储器株式会社 Memory device
CN109542334B (en) * 2017-09-21 2022-06-24 铠侠股份有限公司 Memory device

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