JPH103744A - Method and device for managing data - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable data copying control to be performed between a recording and reproducing device for data containing copy management information and a recording and reproducing device for data without containing the copy management information by providing an information processor having a function for discriminating the kind of data and also controlling the copy. SOLUTION: The data containing the copy management information is recorded and reproduced by a 2nd data recording and reproducing unit 2 and the data without containing the copy management information is recorded by a 2nd recording and reproducing unit 11. An external input controller 3 is given a control signal via an input/output interface 19 from the outside, and is operated to control the 2nd data recording and reproducing unit 2 and the 1st data recording and reproducing unit 11 in accordance with control contents of this control signal. At this time, the kind of data to be controlled is discriminated by the information processor 1, where approval or disapproval of the copy is controlled by a title of the data requested to be controlled through the external input controller 3.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] 1. Field of the Invention [0002] The present invention relates to a data management method and apparatus which can be used, for example, when recording video, audio or computer data in a data recording / reproducing apparatus.

[0002]

2. Description of the Related Art At present, a DVD using an optical disk is used as a medium for storing multimedia information including video and audio.
(Digital Versatile Disc), DVC (Digital Video) using magnetic tape
Cassette). It is being studied to connect these DVDs and DVCs to computers and use them as storage media for computers, like existing hard disks and floppy disks.

FIG. 2 is a block diagram of a conventional data control device. Reference numeral 11 denotes a first data recording / reproducing device, 12 denotes a second data recording / reproducing device, 13 denotes an external input controller, 14 denotes a display, and 15, 16, 17, 18, and 19 denote input / output interfaces. Hereinafter, components having the same number have the same configuration and function.

The operation of the data management device configured as described above will be described below.

The second data recording / reproducing device 12 and the first data recording / reproducing device 11 have a conventional data storage medium such as a hard disk or a floppy disk. The second data recording / reproducing device 12 is capable of inputting data from the first data recording / reproducing device 11 and outputting data to the first data recording / reproducing device 11 via the input / output interface 17. Further, data can be input / output to / from an external device via the input / output interface 16.

Similarly, the first data recording / reproducing device 11 can also input data from the second data recording / reproducing device 12 and output data to the second data recording / reproducing device 12 via the input / output interface 18. . Further, data can be input / output to / from an external device via the input / output interface 15.

The external input controller 13 receives a control signal from the outside via the input / output interface 19 and controls the second data recording / reproducing device 12 and the first data recording / reproducing device 11 according to the control contents. For example, a control signal indicating that data recorded in the second data recording / reproducing device 12 (hereinafter, “first data”) is copied from the input / output interface 19 to the external input controller 13 to the first data recording / reproducing device 11. (Hereinafter, a copy control command).

The external input controller 13 sends a control signal (hereinafter, an output control signal) for outputting the first data to the second data recording / reproducing device 12 via the input / output interface 17. The second data recording / reproducing device 12 that has received the output control signal
The data is output to the first data recording / reproducing device 11 via the input / output interface 17. Also, the external input controller 13
Sends a control signal (hereinafter referred to as an input control signal) for inputting the first data to the first data recording / reproducing device 11 via the input / output interface 18. The first data recording / reproducing device 11 having received the input control signal inputs the first data to the first data recording / reproducing device 11 via the input / output interface 18.

When the copying of the first data from the second data recording / reproducing device 12 to the first data recording / reproducing device 11 is completed, the external input controller 13 displays the second data recording / reproducing device 12 and the first data A display command for displaying a list of updated data recorded in the recording / reproducing device 11 is sent,
The display 14 displays a list of data recorded in the second data recording / reproducing device 12 and the first data recording / reproducing device 11.

As another example of the control, data in the second data recording / reproducing device 12 can be copied. Also in this case, the external input controller 13 is
A control signal is received from the outside via the control unit, and the second data recording / reproducing unit 12 is controlled in accordance with the control content. Copying data (hereinafter, second data) recorded in the second data recording / reproducing device 12 to another area in the second data recording / reproducing device 12 from the input / output interface 19 to the external input controller 13. (Hereinafter referred to as a copy control command in the same device).

The external input controller 13 sends a copy control command in the same device to the second data recording / reproducing device 12. The second data recording / reproducing device 12, which has received the copy control command in the same device, copies the second data into the same device, and when the copying is completed, the update recorded on the second data recording / reproducing device 12 is displayed on the display 14. A display command for displaying a list of the recorded data is sent, and the display unit 14 displays a list of data recorded in the second data recording / reproducing unit 12.

FIG. 3 is a view showing an example of an image displayed on the display unit 14. As shown in FIG. FIG. 3 shows the second data recording / reproducing device 1
2 shows a state before the first data in 2 is copied to the first data recording / reproducing device 11. In FIG. 3, the first data is recorded on the storage medium in the second data recording / reproducing device 12. FIG.
In this state, a control command relating to copying is sent to the external input controller 13 via the input / output interface 19 using an external input device such as a mouse or a keyboard. The above-mentioned second data recording / reproducing device 12 and first data recording / reproducing device 1
FIG. 4 shows a state after the copying operation for one copy is completed.

[0013]

In the conventional data management method, unless a read-only recording medium such as an existing read-only CD-ROM is used, a plurality of recording / reproducing devices, for example, a hard disk, a hard disk, or a hard disk or a floppy disk are used. For example, between the disks, the second
Mutual copying of data between the data recording / reproducing device 12 and the first data recording / reproducing device 11 is possible. It is also possible to copy data in the same recording and reproducing device.

In a medium such as a DVD or a DVC, copy management information is added to each data, and a copy in the same medium, such as the data copy in the second data recording / reproducing unit 12, is performed.
Alternatively, copying between the permitted media is possible like copying between the second data recording / reproducing device 12 and the first data recording / reproducing device 11, but copying between other devices is prohibited. However, existing data management methods do not have a function of managing copy management information, and it is impossible to prohibit copying.

Accordingly, the present invention provides a method for storing data between a storage medium such as a DVD or DVC having copy management information in data (hereinafter referred to as a new device) and an existing storage medium having no copy management information in data (hereinafter referred to as an old device). The purpose of the present invention is to obtain a data management method for controlling data.

Accordingly, the present invention controls the copying of data between a data recording / reproducing apparatus that includes copy management information in data such as a DVD and a DVC and a data recording / reproducing apparatus that does not include copy management information in data. An object of the present invention is to provide a data management method and a device thereof.

Another object of the present invention is to provide a data management method and an apparatus for displaying a message indicating the result of copying data on a display means.

[0018]

According to a first aspect of the present invention, there is provided a first data recording / reproducing means for converting a first data recorded in a second data recording / reproducing means into a first data recording / reproducing means. When recording on the means, the first data is recorded on the basis of at least one of a type of the first data, a type of the first data recording / reproducing means, and a type of the second data recording / reproducing means. This is a data management method for judging whether or not to record data in the first data recording / reproducing means, and displaying the judgment result on a display means.

When the first data is copy-inhibited data, the first data may not be recorded in the first recording / reproducing means.

The present invention according to claim 3 provides at least 2
Identification means connected to the two data recording / reproducing devices for identifying whether or not data to be copied can be copied when data recorded on one of them is copied to the other according to a control signal; When the data to be copied is identified as being copyable by the identification means, the data to be copied is copied from the one data recording / reproducing device to the other data recording / reproducing device. The data management apparatus includes a copy control unit and a generation unit that generates information indicating whether or not the data to be copied has been copied.

The generating means may generate, as the information indicating whether the data to be copied has been copied, information indicating the remaining storage contents of the one and the other data recording / reproducing devices. .

Further, the present invention may further comprise display means for displaying the information generated by the generation means.

Further, when the data to be copied includes information prohibiting copying, the identification means may identify that the data to be copied cannot be copied.

[0024]

Embodiments of the present invention will be described below with reference to the drawings.

An embodiment of the data management apparatus according to the present invention will be described together with a method thereof with reference to FIG. 1 is an information processor, 11 is a first data recording / reproducing device, 2 is a second data recording / reproducing device, 3 is an external input controller, 14 is a display, 15, 16, 17, 18,
Reference numeral 19 denotes an input / output interface. Hereinafter, components having the same number have the same configuration and function.

The second data recording / reproducing device 2 is a device for recording / reproducing data including copy management information (hereinafter, data including copy information). The first data recording / reproducing device 11 is a device for recording and reproducing data that does not include copy management information, such as a hard disk or a floppy disk.

The information processor 1 corresponds to the identification means and the copy control means of the data management device of the present invention. The external input controller 3 corresponds to the generating means of the present invention.

Next, the operation of this embodiment will be described.

The external input controller 3 receives a control signal from the outside via the input / output interface 19 and controls the second data recording / reproducing device 2 and the first data recording / reproducing device 11 according to the control contents. At this time, the data type of the data to be controlled is determined by the information processor 1. The information processing device 1 changes the control method according to the name of the data requested to be controlled through the external input controller 3.

Here, it is assumed that the name of the data recorded in the first data recording / reproducing device 11 has a suffix ".org". For example, if the data name is "fil
e ”and its suffix is“ .org ”, then“ f ”
ile. org ".

In the data recorded in the second data recording / reproducing unit 2, the suffix ".ok" is added to the name of the data whose copy management information is "copy permitted", while the copy management information is It is assumed that a suffix “.ng” is added to the name of data that is “copy prohibited”.

The first through the input / output interface 19
The operation when the external input controller 3 receives a control command for recording the data “data.org” of the data recording / reproducing device 11 in the second data recording / reproducing device 2 is shown. The external input controller 3 sends the data name “data.org” of the data in the first data recording / reproducing device 11 to be copied to the information processing device 1. The information processing device 1 determines the data type from the data name of the copy processing target. In this case, since the suffix of the data name is “.org”, a control signal for recording the data “data.org” of the first data recording / reproducing device 11 in the second data recording / reproducing device 2 is transmitted to the first data recording / reproducing device 2. The first data recording / reproducing device 11 which has sent the recording / reproducing device 11 and the second data recording / reproducing device 2 and having received the control signal transmits the data “data.
org ”to the second data recording / reproducing device 2.

At the same time, the information processing unit 1 sends a signal of copy permission control to the external input controller 3, and the external input controller 3 which has received the signal of copy permission control transmits the data "data.org".
A display command for displaying the data structure in the first data recording / reproducing device 11 and the second data recording / reproducing device 2 after copying is sent to the display device 14, and the display device 14 outputs the second data recording / reproducing device 2 and the first data A list of data recorded in the recording / reproducing device 11 is displayed.

Next, the data “data.ok” of the second data recording / reproducing device 2 is input and output via the input / output interface 19.
In the case where the external input controller 3 receives a control command for recording in the first data recording / reproducing device 11. The external input controller 3 sends the data name “data.ok” of the data in the second data recording / reproducing device 2 to be copied to the information processing device 1. The information processing device 1 determines the data type from the data name of the copy processing target. In this case, since the suffix of the data name is “.ok”, the second data recording / reproducing device 2
Data “data.ok” of the first data recording / reproducing device 1
1 is a control signal for recording in the first data recording / reproducing device 1
1. The second data recording / reproducing device 2 sends the data “data.ok” to the first data recording / reproducing device 11 after receiving the control signal.

At the same time, the information processing unit 1 sends a signal of copy permission control to the external input controller 3, and the external input controller 3 which has received the signal of copy permission control records the first data after copying the data "data.ok". A display command for displaying the data configuration in the reproducing device 11 and the second data recording / reproducing device 2 is displayed on the display device 1.
4 and the display 14 displays the second data recording / reproducing device 2, the first
A list of data recorded in the data recording / reproducing device 11 is displayed.

Next, the data “data.ng” of the second data recording / reproducing device 2 is input and output via the input / output interface 19.
In the case where the external input controller 3 receives a control command for recording in the first data recording / reproducing device 11. The external input controller 3 sends the data name of the data name “data.ng” in the second data recording / reproducing device 2 to be copied to the information processing device 1. The information processing device 1 determines the data type from the data name of the copy processing target. In this case, since the suffix of the data name is “.ng”, the control signal for recording the data “data. It is not sent to the recording / reproducing device 11 or the second data recording / reproducing device 2. That is, the second
The data “data.ng” of the data recording / reproducing device 2 is
The data recording / reproducing device 11 does not copy.

At the same time, the information processing unit 1 sends a signal of copy non-permission control to the external input controller 3, and the external input controller 3 receiving the signal of copy non-permission control displays the second data recording / reproducing device 2 Since the data “data.ng” in the data is “copy prohibited” data, the first data recording / reproducing device 11
To output information indicating that copying was not possible.

As described above, when performing processing such as copying between a plurality of data recording / reproducing apparatuses, copying / non-copying can be controlled depending on the data type of the data to be copied. Can be prevented from being copied. Also, the reason why the data of the suffix ".ng" could not be copied is displayed on the display unit 14 for the user, so that the user interface is excellent.

In this embodiment, the suffixes of data names for identifying data types are ".org" and ".o".
k "and" .ng ", but the suffix of the name is arbitrary.

In this embodiment, the data type is identified by the name of the data, but the identification method is arbitrary. For example, information indicating the data type described at the data head position may be read to identify the data type.

Further, in the present embodiment, the information processing device 1 identifies whether data is copied or not depending on the type of data to be copied.
That is, whether or not data is copied may be identified depending on the type of the device that transmits the data.

For example, taking FIG. 1 as an example, the second
The data of the data recording / reproducing device 2 is transferred to the first data recording / reproducing device
When the information processing device 1 identifies that the copy source is the second data recording / reproducing device 2, the information processing device 1 prohibits data copying. Similarly, whether data is copied or not may be identified depending on the type of the copy destination device. When copying the data of the second data recording / reproducing device 2 to the first data recording / reproducing device 11, if the information processing device 1 identifies that the copy destination is the first data recording / reproducing device 11, the data copying is prohibited. I do.

Further, in this embodiment, the data management method is a method executed in the configuration of FIG.
The data management method is not necessarily limited to this, and the data management method may be a method realized by a program. Thus, by recording and transferring the data on a recording medium such as a floppy disk, it can be easily implemented by another independent computer system.

FIGS. 5 and 6 are diagrams for explaining the case where the data management method of the present invention is implemented on a floppy disk. FIG. 5A is a diagram showing an example of a physical format of a floppy disk as a recording medium body. A track is formed concentrically from the outer circumference to the inner circumference, and is divided into 16 sectors in the angular direction. The program is recorded according to the allocated area. FIG. 5 (b)
FIG. 2 is a view showing a case for storing the floppy disk. From the left, a front view of the floppy disk case, a sectional view thereof, and a floppy disk are shown. By storing the floppy disk in the case in this way, the disk can be protected from dust and external impact and can be transported safely. FIG. 6 is a diagram for explaining recording and reproduction of a program on a floppy disk. By connecting a floppy disk drive to the computer system as shown in the figure, it is possible to record and reproduce programs on the disk. The disk is inserted into and removed from a floppy disk drive through an insertion slot. When recording, the program is recorded on a disk by a floppy disk drive from the computer system.
To play, the floppy disk drive reads the program from the disk and transfers it to the computer system.

In the description of FIGS. 5 and 6, the description has been made using a floppy disk as a recording medium.
The same operation can be performed using an optical disk. Further, the recording medium is not limited to this, but can be similarly implemented as long as the program can be recorded, such as an IC card or a ROM cassette.

[0046]

As described above, according to the present invention, a DVD,
It is possible to obtain a data management method and apparatus for performing data copy control performed between a data recording / reproducing apparatus that includes copy management information in data such as DVC and a data recording / reproducing apparatus that does not include copy management information in data. .

Further, according to the present invention, a message indicating the result of copying data can be displayed on the display means.
It can indicate to the user that copying was not possible.

[Brief description of the drawings]

FIG. 1 is a block diagram of an embodiment of a data management device of the present invention.

FIG. 2 is a block diagram of a conventional data control device.

FIG. 3 is a diagram showing an example of a recording state image of first and second data recording / reproducing units displayed on a display unit 14;

FIG. 4 is a diagram showing an example of a recording state image of first and second data recording / reproducing units displayed on a display unit 14 after a copying operation is completed.

FIG. 5 is an explanatory diagram when the data management method of the present invention is implemented on a floppy disk.

FIG. 6 is an explanatory diagram when the data management method of the present invention is implemented on a floppy disk.

[Explanation of symbols]

1: information processor 2: second data recording / reproducing device 3: external input controller 11: first data recording / reproducing device 12: second data recording / reproducing device 13: external input controller 14: display device 15, 16, 17 , 18, 19: Input / output interface

Claims (6)

[Claims] 1. When the first data recorded on a second data recording / reproducing means is recorded on the first data recording / reproducing means, the type of the first data, the first data recording / reproducing Determining whether to record the first data in the first data recording / reproducing means based on at least one of the type of means and the type of the second data recording / reproducing means; A data management method characterized by displaying a judgment result on a display means. 2. The data management method according to claim 1, wherein when the first data is copy-inhibited data, the first data is not recorded in the first recording / reproducing means. 3. When at least two data recording / reproducing devices are connected and data recorded on one of them is copied to the other in accordance with a control signal, whether the data to be copied can be copied or not. Identification means for identifying whether or not the data to be copied is identifiable by the identification means, from the one data recording / reproducing device to the other data recording / reproducing device; A data management apparatus, comprising: copy control means for copying target data; and generating means for generating at least information indicating whether or not the data to be copied has been copied. 4. The information processing apparatus according to claim 1, wherein the generation unit generates, as the information indicating whether the data to be copied has been copied, information indicating the remaining storage contents of the one and other data recording / reproducing apparatuses. The data management device according to claim 3, wherein 5. The apparatus according to claim 3, further comprising a display unit for displaying information generated by said generation unit.
Or the data management device according to 4. 6. When the data to be copied includes information prohibiting copying, the identification means identifies that the data to be copied is not copyable. The data management device according to claim 3.