JP3094998U - Disk unit - Google Patents

Abstract

(57) [Summary] [PROBLEMS] To protect the privacy of a user, and under the permission of the user, a service center can perform research on what kind of optical disc is reproduced when a failure of a disc device occurs. It can be so. SOLUTION: A research mode of a disk device which permits research on a service center side is set, and individual information of the optical disk recorded in a BCA of the optical disk and T of the optical disk recorded in a data recording area of the optical disk are set.
When the OC information is read out and the research mode of the disk device is set and a problem occurs during the reproduction of the optical disk, the individual information of the reproduced optical disk and T
Along with the OC information, the contents of the failure of the disk device that occurred during the reproduction of the optical disk and the location of the failure of the optical disk where the failure occurred are transmitted to a service center via a network.

Description

[Detailed description of the device]

[0001]

TECHNICAL FIELD The present invention relates to a DVD (Digital Versati). Le Disc) and other optical disc devices for reproducing optical discs. Content of the disc device that occurred during playback The present invention relates to a disc device that can be reached.

[0002]

2. Description of the Related Art During reproduction of an optical disk, an abnormal stop of reproduction of the optical disk 2, Freeze that does not accept commands from remote control device key operation due to synchronization with voice If there is a problem with the disk device such as the status, if there is no notification from the user, At the service center side, when playing what kind of optical disk, There was a problem that it was not possible to research whether or not the problem of occurred. Well In addition, if the failure is not caused by the disc device but by the optical disc, In some cases, the manufacturer of the optical disc discovers and announces the defect of the optical disc. If not, on the service center side, the failure may be due to the disk device. If it is not possible to determine whether or not it is due to the optical disc There was a problem.

As a conventional technique, an optical system composed of a plurality of hard disk devices is used. Internal state of each hard disk device of the disk array device and optical disk array device Periodically collect at least one of the Disk device internal state and / or optical disk array device internal state There is a system in which one of the internal statuses is periodically sent by e-mail to a specified destination. (For example, refer to Patent Document 1).

In addition, an electronic mail is received via the network and the received electronic mail is received. Parse the command described in the email, and based on the content of the analyzed command, A hard disk of an optical disk array device that consists of multiple hard disk devices At least one of the internal state of each device and the internal state of the optical disk array device There is a system in which one of the internal statuses is periodically sent by e-mail to a specified destination. (See, for example, Patent Document 2).

In addition, the identification information for identifying the reproducing medium on which the music data is recorded is regenerated. Via a network to a management server that manages optical disc information about raw media When the music data is recorded, the recording end information indicating the end of recording is sent. The title information corresponding to the recording end information that was sent and received from the management server The title information received through the work and received on the recording medium that recorded the music data. There has been a method of registering information (for example, refer to Patent Document 3).

[0006]

[Patent Document 1] Japanese Patent Laid-Open No. 2001-160008

[Patent Document 2] Japanese Patent Laid-Open No. 2001-202301

[Patent Document 3] Japanese Patent Laid-Open No. 2002-132269

[0007]

[Problems to be Solved by the Invention] However, among those described in the prior art, The first one is an optical disk array consisting of multiple hard disk drives. The internal state of each hard disk device of the ray device and the internal state of the optical disk array device Of at least one of the hard disk drive's At least one of the internal state and the internal state of the optical disk array device I was able to send the status to a specified destination by e-mail on a regular basis. When an optical disc is played back, the disc device malfunctions. There was a problem that it was not possible to research Taka.

[0008] In the following, electronic mail is received via the network. Trust the command, parse the command described in the received email, and analyze the parsed command. An optical disc array consisting of multiple hard disk drives B. Internal state of each hard disk drive of the device and internal state of optical disk array device Email at least one of the internal statuses to a specified destination periodically However, in the same way as above, the service center side could It is not possible to research whether a disk device malfunction has occurred There was a problem that

[0009] Further, in the following, a reproducing medium in which music data is recorded is used. A management server that manages the optical disc information about the playback medium with identification information for identifying the body. When the music data has been recorded, the recording will end. The recording end information indicating that the recording end information is transmitted, and the title information corresponding to the transmitted recording end information is transmitted. For recording the music data received from the management server via the network. I was able to register the title information received on the medium, but in the same way as above When the center side plays back what kind of optical disc, There was a problem that it was not possible to research if it occurred.

The present invention has been made in view of the above problems of the prior art. The purpose is to protect the privacy of users and Under the permission of, when the service center side reproduces what kind of optical disc, A disk device that can research whether a disk device malfunction has occurred It is the one we are trying to provide.

[0011]

In order to achieve the above-mentioned object, a disk according to the present invention is used. The disk device is an optical disk that is connected to the service center via a network. It is a disk device that plays back data and is a device that permits research on the service center side. Optical disk and research mode setting means for setting the research mode of the disk device Information on the optical disc recorded in the BCA and the data recording area of the optical disc Reading means for reading the TOC information of the optical disc recorded on the recording medium, and the reading means. Storage means for storing individual information of optical disc and TOC information read by the stage And when the research mode of the disc device is set, playback of the optical disc When a problem occurs during playback, the reproduced optical disc stored in the storage means Disc device generated during playback of the optical disc, along with individual information and TOC information Details of the defect and the location of the defect on the optical disc where the defect occurred. And a transmission means for transmitting the data via a network.

The transmitting means is set to the research mode of the disk device. When the reproduced optical disc is ejected from the disc device, The individual information of the reproduced optical disc and the TOC information stored in the storage means are searched. Send it to the service center via the network.

Further, in the transmitting means, the research mode of the disk device is set. The power of the disc device in which the replayed optical disc is mounted is turned off Is issued, the individual information of the reproduced optical disk stored in the storage means is Information and TOC information to be transmitted to the service center via the network .

The above-mentioned configuration protects the privacy of the user. , What kind of optical disc the service center played with the permission of the user At times, it is possible to research whether a malfunction of the disk device has occurred.

[0015]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described in detail below with reference to the drawings as appropriate. To do. FIG. 1 is a block diagram showing a configuration of a disk device according to an embodiment of the present invention. 2 is an explanatory view showing the remote control device of the disk device according to the embodiment of the present invention. FIG. 3 is an explanatory diagram showing a BCA and a data recording area of the optical disc, FIG. 4 shows a research mode setting screen of the disk device according to the embodiment of the present invention. FIG. 5 is an explanatory diagram, and FIG. 5 is a research mode of the disk device according to the embodiment of the present invention. 6 is a flowchart showing the operation of setting and canceling, and FIG. 6 shows an embodiment of the present invention. 6 is a flowchart showing the operation of the disk device according to the present invention.

First, the configuration of the disk device according to the embodiment of the present invention shown in FIG. 1 is shown. Description will be given based on a block diagram.

The disk device 1 outputs the video / audio signal recorded on the optical disk 2. The optical pickup 3 that optically reads out and the spindle model that rotates the optical disc 2 Drive the motor 4 and the spindle motor 4 and drive the optical pickup 3 to the half of the optical disk 2. The optical pickup 3 is driven by driving a thread motor (not shown) that moves in the radial direction. The servo circuit 5 that controls the focus and tracking of the The video and audio signals read out from the Synchronous detection / AD (Analog-to-Dig) for converting a signal to a digital signal ital) conversion circuit 6 and demodulates the video and audio signals converted into digital signals, and restores them. A demodulation / error correction circuit 7 for correcting an error of the adjusted audio / video signal; Moving Picture Coding Experts Group 2) Decompress the video signal of the digital signal compressed based on the method, and Video signal of AC signal (trademark of US Dolby Laboratories, Inc.) The original digital signal is expanded by expanding the audio signal of the digital signal compressed according to the method. Decoder 8 for decoding into the audio signal of the digital signal, and the video signal and the sound of the decoded digital signal A voice signal and a video / audio signal according to a predetermined signal system, for example, NTSC (Natio) nal Television System Committee) system Video and audio signals are encoded and the encoded video and audio signals are converted to analog and video Encoder / DA (Digital-to-Analog) conversion to convert to signal The circuit 9 and the character information signal are superimposed on the video signal, and the character information is displayed on the screen of the monitor device 30. OSD (On-Screen Character Display) y) A circuit 10, a microcomputer 11 that controls the entire system of the disk device 1, and Non-volatile memory EEPROM (Electrically) for storing seed data   Erasable and Programmable Read-Only   Memory) 12 and the remote control of the infrared signal transmitted from the remote control device 20. A remote control receiving unit 13 for receiving a communication signal and converting it into a predetermined electric signal, and a network. And a modem 14 for transmitting information to the service center 50 via the network 40. ing.

Further, the remote controller of the disk device according to the embodiment of the present invention shown in FIG. A description will be given based on an explanatory diagram showing the arrangement.

The remote control device 20 is instructed to turn on / off the power of the disk device 1. Power key 20a, display of menu screen for setting various modes of disk device 1 Menu key 20b for instructing, and cursor key 2 for selecting a selection item on the menu screen 0c, a decision key 20d for deciding the selection of the selection item selected by the cursor key , Playback key 20e for commanding playback of the optical disk, commanding playback stop of the optical disk Various operations such as a stop key 20f for ejecting and an eject key 20g for instructing to eject the optical disk. Operation keys are provided, and by operating those operation keys, the disc The device 1 can be operated as desired.

The operation of the disk device configured as described above will be described below. And explain.

When the power supply of the disk device 1 is turned on, the remote control device 20 menu -When 20b is operated, the remote control signal of the infrared signal for instructing the display of the menu screen is sent. No. is transmitted from the remote control device 20, and the remote control signal of the transmitted infrared signal is Of the infrared signal received by the remote control receiver 13 of the disk device 1. The remote control signal is converted into a predetermined electric signal and sent to the microcomputer 11. Maiko The terminal 11 receives the remote control signal from the menu key 20b for instructing the display of the menu screen. Then, a control signal is sent to the OSD circuit 10 to display the character information displayed on the menu screen. Signal is superimposed on the video signal to display a menu screen (not shown) on the screen of the monitor device 30. To show. Then, the cursor key 20c and the enter key 20d of the remote control device 20 When the research mode setting on the menu screen is selected by operation, as shown in Fig. 3. Then, the research mode setting screen is displayed on the screen 30a of the monitor device 30.

The user operates the cursor key 20c and the enter key 20d of the remote controller 20. And to operate the research mode setting screen displayed on the screen 30a of the monitor device 30. "Research mode setting" to allow research on the service center side, or Do not allow research on the service center side Select "Cancel research mode" Then, the microcomputer 11 sets the selected research mode or the research mode The cancellation is stored in the EEPROM 12.

When the optical disk 2 is loaded in the disk device 1, the microcomputer 11 The control signal is sent to the servo circuit 5, and the optical disc 2 loaded in the disc device 1 Between the innermost radius of 22.3 mm and the radius of 23.5 mm by laser irradiation The reflective film is removed in stripes with a width of 5 μm to 15 μm, and barcodes are applied in the circumferential direction. Format of BCA (Burst Cutting Area) 2a (see Fig. 4) The individual information of the recorded optical disc and the data recording area 2b of the optical disc 2 (Fig. 4), the title information and chapter information (hereinafter, TOC (Tab) (le of Contents) information) is read by the optical pickup 3. Then, it is stored in the EEPROM 12.

When the reproduction key 20e of the remote controller 20 is operated, the microcomputer 11 Sends a control signal to the servo circuit 5 to cause the optical disc mounted in the disk device 1 to operate. The video / audio signal recorded in The video / audio signal read by the backup 3 is detected by the sync detection / AD conversion circuit 6. Synchronous detection is performed based on the reference clock, and the analog signal is converted to a digital signal. , The audio / video signal converted into the digital signal is demodulated by the demodulation / error correction circuit 7. Then, the error of the demodulated video / audio signal is corrected, and the error is corrected by the decoder 8. The decoded video signal is expanded by the decoder 8 based on the MPEG2 system, and the original digital Audio signal that has been decoded into a video signal of the digital signal and error-corrected based on the AC-3 system. It is expanded and decoded into the audio signal of the original digital signal. And the decrypted digital The video / audio signal of the digital signal is converted into a predetermined signal system by the encoder / DA conversion circuit 9. Is encoded into a video / audio signal conforming to the NTSC standard, for example. , The encoded video and audio signal is converted into an analog signal and sent to the OSD circuit 10. A predetermined character information signal is superimposed on the video signal by the control signal from the microcomputer 11. After being folded, the audiovisual signal is sent to the monitor device 30 and recorded on the optical disc 2. The audio and video being played is played.

The microcomputer 11 reproduces the optical disc 2 during reproduction of the optical disc 2. Abnormal stop, out-of-sync between video and audio, command by key operation of remote control device 20 If a malfunction of the disk device 1 such as a frozen state that is not accepted is detected, it is disabled. If there is a problem with the title number, chapter number, or playback time of the optical disc 2 Detect the raw part. Then, the microcomputer 11 uses the research mode of the disk device 1. If is set, the reproduced optical disc stored in the EEPROM 12 2 individual information and TOC information are read out and reproduced, and individual information of the optical disc 2 and T In the defect of the disc device 1 which occurred during the reproduction of the optical disc 2 together with the OC information. And the location of the defect on the optical disc 2 in which the defect occurred in the service center 50. It is transmitted via the network 40.

Playback of an optical disk by operating the stop key 20f of the remote controller 20 When the stop is instructed, the microcomputer 11 stops the reproduction of the optical disc 2. And Operation of the eject key 20g of the remote control device 20 gives an instruction to eject the optical disc. Then, the microcomputer 11 takes out the optical disc 2 from the disc device 1 and If the research mode of the disk device 1 is set, remove it from the disk device 1. Disc drive 1 determines whether the optical disc 2 is a reproduced optical disc. When the optical disk 2 taken out from the optical disk is a reproduced optical disk, the EEPROM 12 The TOC information and the individual information of the reproduced optical disc 2 stored in the To the network 50 via the network 40.

When an optical disk is loaded in the disk device 1, the remote controller Operation of the power key 20a of the disk device 20 instructs the disk device 1 to be powered off. Then, when the research mode of the disk device 1 is set, The optical disc 2 mounted in the disc device 1 is a reproduced optical disc. If the reproduced optical disc 2 is loaded in the disc device 1 , The individual information of the reproduced optical disk 2 stored in the EEPROM 12 and the TOC Information is transmitted to the service center 50 via the network 40.

When the research mode of the disc device 1 is released, the optical disc Even if a problem occurs during the playback of the optical disc 2, the individual information and TOC of the played optical disc 2 Since the information and the trouble information that occurred are not sent to the service center, the user Need to notify the service center of the problem, if necessary. You can protect your privacy. In addition, the research mode of the disk device 1 When the card is released, the user mounts the optical disc 2 on the disc device 1 Even if the information is reproduced, the individual information of the reproduced optical disc 2 and the TOC information are kept in the service center. Since it is not sent to the user, the privacy of the user can be protected.

In the research mode of the disk device according to the embodiment of the present invention shown in FIG. An explanation will be given based on a flowchart showing the operations of setting and canceling.

When the research mode setting of the disk device on the menu screen is selected, From step S1 to step S2, the disk is operated by the key operation of the remote control device. It is judged whether or not the research mode setting of the device is selected, and the disc device If the search mode setting is selected, the process proceeds to step S3, and the disk device is re-loaded. The search mode setting is not selected and the research mode of the disk device is canceled. If so, the process proceeds to step S4.

In step S3, the research mode of the disk device is set and the The process proceeds to step S5 to end the process.

In step S4, the research mode of the disk device is released, and the The process proceeds to step S5 to end the process.

FIG. 6 shows the operation of the disk device according to the embodiment of the present invention. A description will be given based on the flowchart.

When the optical disc is loaded into the disc device, the step from step S11 is started. In step S12, the individual information of the optical disc recorded in the BCA of the optical disc is recorded. Information and the TOC information of the optical disc recorded in the data recording area of the optical disc The individual information and TOC information of the read optical disc are read and stored in the memory. Then, the process proceeds to step S13.

At step S13, the optical disc is operated by operating the reproduction key of the remote controller. If it is judged whether or not the reproduction of the optical disc is instructed, If the reproduction of the optical disk is not instructed, the process proceeds to step S14. Go to 20.

In step S14, the audio / video signal recorded on the optical disk is reproduced. Life is started, and the process proceeds to step S15.

In step S15, whether or not a problem has occurred during reproduction of the optical disc If it is determined that there is a problem during playback of the optical disc, go to step S16. If there is no problem during playback of the optical disc, the process proceeds to step S18. .

In step S16, the research mode of the disk device is set. If the disc device research mode is set, In step S17, if the research mode of the disk device is not set, In other words, if the research mode of the disk device is released, proceed to step S18. Mu.

In step S17, the reproduced optical disc stored in the memory The individual information and TOC information are read and the individual information and TOC of the reproduced optical disc are read. Along with the information, the contents and defects of the disc device that occurred during playback of the optical disc The location of the defect on the optical disc Information, and the process proceeds to step S18.

At step S18, the optical disk is replayed by pressing the stop key of the remote controller. When it is determined whether or not a raw stop is instructed, and an optical disc playback stop is instructed If so, the process proceeds to step S19, and if there is no command to stop the reproduction of the optical disc, Return to step S15 and repeat steps S15 to S18. .

At step S19, the reproduction of the optical disc is stopped, and step S2 Go to 0.

In step S20, the optical disk is operated by operating the eject key of the remote controller. It is judged whether or not an optical disk ejection command has been issued, and an optical disk ejection command has been issued. If it is determined that the optical disc is not ejected, the process proceeds to step S21. , And proceeds to step S25.

In step S21, the optical disk is taken out of the disk device and Go to step S22.

In step S22, the research mode of the disk device is set. If the disc device research mode is set, In step S23, if the research mode of the disc device is not set, That is, when the research mode is released, the process proceeds to step S25.

In step S23, the optical disk taken out from the disk device is re-recorded. It is determined whether the optical disc is a live optical disc, and the optical disc ejected from the disc device is If the disc is a reproduced optical disc, the process proceeds to step S24, and the disc device If the optical disc ejected from is an unplayed optical disc, then step Proceed to S25.

In step S24, the reproduced optical disk stored in the memory The individual information and TOC information are read and the individual information and TOC of the reproduced optical disc are read. Information is transmitted to the service center via the network, and the process proceeds to step S25. Mu.

In step S25, the disk is operated by operating the power key of the remote controller. It is judged whether or not the power-off of the device has been instructed, and the power-off of the disk device is turned off. If instructed, the process proceeds to step S26, and the power-off of the disk device is instructed. If not, return to step S13 and repeat the steps from step S13. return.

In step S26, is the optical disc loaded in the disc device? If it is determined that the optical disc is loaded in the disc device, step S Proceeding to step 27, if the optical disk is not loaded in the disk device, step S3 Go to 0.

In step S27, the research mode of the disk device is set. If the disc device research mode is set, If the disc device research mode is not set, proceed to step S28. That is, when the research mode is canceled, the process proceeds to step S30.

At step S28, the optical disk loaded in the disk device is re-installed. It is judged whether it is a live optical disc or not, and the optical disc loaded in the disc device is judged. If the disc is a reproduced optical disc, the process proceeds to step S29, and the disc device If the optical disk mounted on is not a reproduced optical disk, step S30 Proceed to.

In step S29, the reproduced optical disc stored in the memory The individual information and TOC information are read and the individual information and TOC of the reproduced optical disc are read. Information is transmitted to the service center via the network, and the process proceeds to step S30. Mu.

In step S30, the power of the disk device is turned off, and the step The process proceeds to step S31 to end the process.

Although the embodiment of the present invention has been described in detail above, the present invention is not limited to this. Of course, modifications and improvements can be made within the ordinary knowledge of those skilled in the art. For example, The research mode setting screen or the research mode setting screen displayed on the monitor Select Cancel search mode to set the research mode of the disk device, or Although it was explained that it is canceled, the key and the key to set the research mode of the disk device The key to release the search mode is used to operate the remote control device or the disk device operation panel. On the disk, and operate those keys to set the research mode of the disk unit. It may be set or canceled.

[0054]

As described above, according to the disk device of the present invention, Set the research mode of the disk device that allows research on the service center side. , The individual information of the optical disc recorded in the BCA of the optical disc and the disc information of the optical disc. The TOC information of the optical disc recorded in the data recording area is read and read. The individual information of the optical disc and the TOC information are stored in the EEPROM, If the research mode of the device is set, a problem may occur during playback of the optical disc. When played, the individual information of the reproduced optical disk stored in the EEPROM and the T Along with the OC information, the contents of the trouble of the disc device that occurred during the reproduction of the optical disc. The defect location of the optical disc where the defect occurred is reported to the service center on a network. Can be sent via the network. Also, the research mode of the disk device is set. When the reproduced optical disc is ejected from the disc device, Alternatively, the power of the disc device in which the replayed optical disc is installed is turned off. And the TO and individual information of the reproduced optical disk stored in the storage means. The C information can be transmitted to the service center via the network. this This protects your privacy and, with your permission, allows you to When the computer side plays back what kind of optical disc, the disc device malfunctions. You can research whether you lived.

A disk device according to the first aspect of the present invention is a disk drive on the service center side. Set the research mode of the disc device that allows the search and set the BCA of the optical disc. The individual information of the optical disc recorded on the disc and the data recorded in the data recording area of the optical disc. The TOC information of the optical disc that is being read and the number of the read optical disc Separate information and TOC information are stored, and the research mode of the disk device is set. If a problem occurs during playback of the optical disc, It occurred during the playback of the optical disc along with the individual information and TOC information of the optical disc. Describe the contents of the defect in the disk device and the location of the defect in the optical disk where the defect occurred. Send to service center via network and research mode of disk device If is set, the played optical disc is ejected from the disc device. Or when the power of the disk device in which the reproduced optical disk is mounted is turned off. When instructed, the service information is sent to the individual information and TOC information of the reproduced optical disc. I am trying to send it to the network via the network.

According to a second aspect of the present invention, there is provided a disk device in which a service center side Set the research mode of the disc device that allows the search and set the BCA of the optical disc. The individual information of the optical disc recorded on the disc and the data recorded in the data recording area of the optical disc. The TOC information of the optical disc that is being read and the number of the read optical disc Separate information and TOC information are stored, and the research mode of the disk device is set. If a problem occurs during playback of the optical disc, It occurred during the playback of the optical disc along with the individual information and TOC information of the optical disc. Describe the contents of the defect in the disk device and the location of the defect in the optical disk where the defect occurred. The information is transmitted to the service center via the network.

According to a third aspect of the present invention, there is provided a disk device reserving device. If the playback mode is set, the played optical disc will be removed from the disc device. When issued, the individual information of the reproduced optical disc stored in the storage means and The TOC information is transmitted to the service center via the network. .

According to another aspect of the present invention, there is provided a disk device reserving device. If the playback mode is set, the disc on which the played optical disc is loaded is When the power-off of the device is instructed, the reproduced optical data stored in the storage means is Disc information and TOC information are sent to the service center via the network I am trying to do it.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration of a disk device according to an embodiment of the present invention.

FIG. 2 is an explanatory view showing a remote control device of the disk device according to the embodiment of the present invention.

FIG. 3 is an explanatory diagram showing a BCA and a data recording area of an optical disc.

FIG. 4 is an explanatory diagram showing a research mode setting screen of the disk device according to the embodiment of the present invention.

FIG. 5 is a flowchart showing an operation of setting and canceling a research mode of the disk device according to the embodiment of the present invention.

FIG. 6 is a flowchart showing an operation of the disk device according to the embodiment of the present invention.

[Explanation of symbols]

1 disk device 2 optical disc 2a BCA 2b Data recording area 3 optical pickup 4 spindle motor 5 Servo circuit 6 Synchronization detection / AD conversion circuit 7 Demodulation / Error correction circuit 8 decoder 9 Encoder / DA conversion circuit 10 OSD circuit 11 Microcomputer 12 EEPROM 13 Remote control receiver 14 modem 20 Remote control device 20a power key 20b Menu key 20c cursor key 20d Enter key 20e Playback key 20f stop key 20g extract key 30 monitor 30a screen 40 networks 50 service centers

Claims (4)

[Scope of utility model registration request] 1. A disc device for reproducing an optical disc, which is communicatively connected to a service center via a network, wherein a research mode setting means for setting a research mode of a disc device permitting research on the service center side, and an optical disc. Read-out means for reading the individual information of the optical disc recorded in the BCA and the TOC information of the optical disc recorded in the data recording area of the optical disc, and the individual information of the optical disc and the TOC information read by the reading means. When the storage means for storing and the research mode of the disk device are set, when a problem occurs during the reproduction of the optical disk, the individual information and the TOC information of the reproduced optical disk stored in the storage means are provided together with the optical disk. Content and defects of the disk device that occurred during playback When the disc playback device is set to the research mode of the disc device and the replayed optical disc is taken out of the disc device or the replayed optical disc And a transmission means for transmitting the individual information of the reproduced optical disk stored in the storage means and the TOC information to the service center via the network when the power-off of the disk device in which is mounted is instructed. A disk device characterized by the above. 2. A disc device for reproducing an optical disc, which is communicatively connected to a service center via a network, wherein a research mode setting means for setting a research mode of the disc device permitting research on the service center side, and an optical disc. Read-out means for reading the individual information of the optical disc recorded in the BCA and the TOC information of the optical disc recorded in the data recording area of the optical disc, and the individual information of the optical disc and the TOC information read by the reading means. When the storage means for storing and the research mode of the disk device are set, when a problem occurs during the reproduction of the optical disk, the individual information and the TOC information of the reproduced optical disk stored in the storage means are provided together with the optical disk. Content and defects of the disk device that occurred during playback A disk device, comprising: a transmission unit that transmits a defect occurrence point of the optical disk that has occurred to a service center via a network. 3. The individual information of the reproduced optical disc stored in the storage unit when the reproduced optical disc is taken out from the disc device when the research mode of the disc device is set, TOC
3. The disk device according to claim 2, which is a transmission unit that transmits information and the information to a service center via a network. 4. The transmitting means is stored in the storage means when the power-off of the disk device in which the reproduced optical disk is mounted is instructed when the research mode of the disk device is set. 3. The disk device according to claim 2, which is a transmission means for transmitting the individual information of the reproduced optical disk and the TOC information to the service center via the network.