JP4600048B2 - Disk unit - Google Patents

Description

The present invention relates to a disk device that records / reproduces information data on a rewritable optical disk such as a DVD-RW (Digital Versatile Disc-ReWritable), and more particularly to a disk device that can transmit / receive disk information via a network.

In general, a rewritable optical disk such as a DVD-RW can rewrite information data 1000 times or more according to the standard. However, there are variations in the number of recordings that can be actually recorded due to variations in the quality of the optical disc, handling of the optical disc, and the like, and there are cases where the standard 1000 rewrites cannot be performed. Optical discs of various manufacturers are lined up at the store, and it is not clear from the price of optical discs and whether or not the optical discs match the performance of the disc device alone, and it is suitable for the disc device from various optical discs. However, there is a problem that information for selecting the optical disc cannot be obtained. Further, the manufacturer does not know what optical disk is used as a recording medium of the disk device, and cannot understand the problems of the disk device with respect to various optical disks on the market. There was a problem that it could not be reflected in the development and improvement of the device.
As background art, the voltage value and ripple value of the voltage signal of the control voltage supplied to the process process controller of the equipment are extracted and transmitted, the signal is received, the characteristic deterioration status is analyzed, and parts replacement and system There has been a replacement (for example, see Patent Document 1).
Also, it detects the life characteristics of the parts of the operating equipment, transmits the life characteristics data of the parts via the network, receives the life characteristics data of the transmitted parts, and uses the received life characteristics data In some cases, the remaining life of parts is predicted (for example, see Patent Document 2).
In addition, measure and collect information on the usage environment of the information processing device, predict the occurrence of device abnormality based on the difference between the usage environment information and the standard environment, and grasp the replacement timing of the information processing device (For example, see Patent Document 3).
In addition, information related to home appliances for which maintenance contracts or repair requests have been made is held at the maintenance / repair service center, and the maintenance / repair service center, dealers, and manufacturers are mutually connected via the information network. There is one that provides information on the time of arrival of the life (see, for example, Patent Document 4).
JP 2000-248515 A JP 2000-157330 A JP-A-8-167234 JP 2002-92212 A

However, in the first one described in the background art, the voltage value and ripple value of the voltage signal of the control voltage supplied to the process control controller of the facility are extracted and transmitted, and the signal is received and characteristics Although it was possible to perform parts replacement and system replacement by analyzing the deterioration status, the characteristics deterioration status was analyzed based on the measured data so that the timing of equipment replacement and system replacement could be understood. However, it was not intended to solve the above problems.
In the following, the life characteristics of the parts of the operating equipment are detected, the life characteristics data of the parts are transmitted via the network, and the life characteristics data of the transmitted parts is received and received. The remaining life of parts can be predicted by using the life characteristics data, but the characteristic values of the life parts of the equipment are periodically received via the network and the life of each part is predicted at the center. However, it was not intended to solve the above problems.
Further, in the following, information on the usage environment of the information processing apparatus is measured and collected, occurrence of an apparatus abnormality is predicted based on the difference between the usage environment information and the standard environment, and the information processing apparatus It was possible to grasp the replacement time of the information processing device by predicting the occurrence of a failure according to the change in the usage environment in which the information processing device was installed. However, the above problems were not solved.
Furthermore, in the following items, information related to home appliances for which maintenance contracts or repair requests have been made is held at the maintenance / repair service center, and the maintenance / repair service center, dealer, Although connected to each other, we were able to provide information on the arrival date of each household electrical appliance, but by using the information on the arrival date of customer-owned household appliances collected at the maintenance service center at retailers and manufacturers, It was intended to expand sales of home appliances, but not to solve the above problems.
The present invention has been made in view of such problems of the background art, and an object of the present invention is to provide information for a user to select an optical disc suitable for a disc device from various optical discs. It is an object of the present invention to provide a disk device that can be provided and can be reflected in development and improvement of the disk device by receiving information on the number of times the optical disk can be recorded.

In order to achieve the above object, in the present invention, a recording / reproducing unit for recording / reproducing information data on an optical disc, a display control unit for displaying character information on a display unit, an input unit for inputting a command by a user's manual operation, A control unit that controls the entire disk device based on a command input from the input unit; and a modem that connects the control unit to a server of a user-owned disk device manufacturer via a network. A recording control function for controlling the recording / reproducing unit to overwrite and record the information data on the optical disc when the command for recording the information data is input from the input unit, and the recording control function stores the information data on the optical disc. An update control function for updating the number of times of recording by adding 1 to the number of times of recording recorded in the RMA of the optical disk each time overwriting is performed; When the control function finishes updating the number of times of recording, the recording / reproducing unit is controlled so that the MID unique to each type of optical disk recorded in the RMA is read by the optical disk manufacturer. a transmission control function to transmit to said server via said network in association with recording frequency updated by the MID and the update control function which is, at the server, the user owned disk device and a plurality of the same type Data obtained by associating each MID of multiple types of optical discs received from the disc device with the number of times of recording is accumulated, and is obtained as disc information relating to statistics based on the information on the number of times of recording for each MID of multiple types of optical discs. If the disc information related to the number of recordable times of the optical disc for each MID has been accumulated, Receiving control function for receiving the disc information relating to the recordable number of times transmitted from the network via the network, and the display control for causing the display unit to display the disc information relating to the recordable number of times received by the reception control function And a display control function for controlling the unit.

According to the disk device of the present invention, when information data is overwritten and recorded on the optical disk and the recording of the information data on the optical disk is completed, 1 is added to the number of recordings recorded in the RMA of the optical disk to obtain the recording number. Update and read the MID specific to the optical disc recorded in the RMA of the optical disc, associate the read MID of the optical disc with the updated number of recordings, and the server of the manufacturer of the disc device owned by the user via the network In the server, the server stores the data in which the MIDs of the multiple types of optical discs received from the plurality of disc units of the same model as the user-owned disc units and the number of times of recording are stored, and stores each MID of the multiple types of optical discs. each M obtained as disk information on statistics based on a plurality of recording times of information for each If the disk information on a recordable number of the optical disc for each D is accumulated, since the disc information on the recordable number is transmitted to the disk device of the user via a network from a server, the disk device owned by the user, Since the disc information relating to the number of recordable times for each MID of the optical disc with respect to this disc device is received and displayed, the optical disc recorded using the disc device of the same model as the user-owned disc device according to the display content The MID of the optical disc having the best recordable number is found from the disc information regarding the recordable number of times for each MID. As a result, the user can be provided with information for selecting the MID of the optical disc that matches the disc device owned by the user. On the other hand, the manufacturer of the disk device, receiving a supply of information of the recordable number of each of the various optical disk in the disk devices that are manufactured in-house, in the development or improvement of a disk device can be suitably adapted to various optical disc Can be reflected.

Hereinafter, the best mode for carrying out the present invention will be described in detail with reference to the drawings as appropriate. FIG. 1 is a block diagram showing the configuration of a disk apparatus according to an embodiment of the present invention, FIG. 2 is an explanatory diagram showing each area of the optical disk, and FIG. 3 shows the operation of the disk apparatus according to an embodiment of the present invention. FIG. 4 is a flowchart showing the operation of the server of the manufacturer of the disk device connected to the disk device of one embodiment of the present invention via the network.
First, a description will be given based on the block diagram showing the configuration of the disk device of one embodiment of the present invention shown in FIG. The disk device 1 records information data on the optical disk 2 by irradiating the recording surface of the optical disk 2 with laser light, and also records information data recorded on the optical disk 2 by irradiating the optical disk 2 with laser light and detecting the reflected light. An optical pickup 3 for reading data, a spindle motor 4 for rotating the optical disc 2, a sled motor 5 for moving the optical pickup 3 in the radial direction of the optical disc 2, and the rotational speed of the spindle motor 4 are servo-controlled, Servo-controlling the rotation direction and rotation speed, servo-controlling the tracking of the optical pickup 3 based on the tracking error signal detected by the optical pickup 3, and optical pickup 3 based on the focus error signal detected by the optical pickup 3. Servo circuit 6 that servo-controls the focus and optical The RF (Radio Frequency) signal of the information data read out by the backup 3 is amplified and the RF amplification circuit 7 for amplifying the RF signal of the information data recorded on the optical disc 2 and the TV broadcast wave received by the antenna 14 are used. The tuner 8 that receives the TV broadcast program of the selected channel and the information data read by the optical pickup 3 are synchronously detected and demodulated based on the reference clock, and the error of the demodulated information data is corrected, Information data compressed based on a predetermined compression method is decompressed and decoded to reproduce information data. Information data of a television broadcast program received by the tuner 8 or information input from the external input terminal 15 Encode the data and compress the encoded information data based on a predetermined compression method The signal processing circuit 9, the OSD (On-Screen Character Display) circuit 10 that superimposes the character information signal on the video signal and displays the character information on the screen of the monitor device 30, and the microcomputer that controls the entire system of the disk device 1 11 receives a remote control signal of an infrared signal transmitted from the remote controller 20, connected to the remote control receiver 12 for converting into a predetermined electrical signal, the microcomputer 11 to the server 50 of the manufacturer via the network 40 It consists of a modem 13.
The operation of the disk device configured as described above will be described below.
When the user commands the recording of information data onto the optical disc 2 through the remote control device 20 , the microcomputer 11 sends a control signal to the servo circuit 6, drives the spindle motor 4 to rotate the optical disc 2, and the thread motor. 5 is driven to move the optical pickup 3 in the radial direction of the optical disk 2, and information data is overwritten and recorded in the data recording area 2 c (see FIG. 2) of the optical disk 2 by the optical pickup 3.
When the recording of the information data is completed, the microcomputer 11 sends a control signal to the servo circuit 6, drives the spindle motor 4 to rotate the optical disc 2, and drives the sled motor 5 to attach the optical pickup 3 to the optical disc. 2 is added to the number of times recorded in an RMA (Recording Management Area) 2a (see FIG. 2) inside the lead-in area 2b of the optical disc 2 to update the number of times of recording. The MID (Manufacturer ID) recorded in the RMA 2 a (see FIG. 2) is read out, and the MID of the optical disk 2 and the number of recordings are transmitted from the disk device 1 to the manufacturer server 50 via the network 40. The MID is recorded in the RMA of the optical disk by the optical disk manufacturer, and is an ID unique to the optical disk that can identify the type of the optical disk.
The server 50 of the disk device manufacturer is connected to the microcomputer 11 of the disk device 1 manufactured and used by many users via the network 40 and the modem 13 of the disk device 1. Then, the server 50 of the manufacturer accumulates the data relating to the MID and the number of times of recording transmitted from each disk device owned by each user for each model of the disk device, and each of the disk devices of each model. Is used to obtain statistics on the number of recordings for each MID of multiple types of optical discs on which information data has been recorded, and based on the statistics, the minimum number of recordings and the maximum number of recordings for each MID of the optical disc The disc information relating to the recordable number of times including at least one of the average number of times of recording is calculated and stored. When the server 50 of the manufacturer receives data in which the MID is associated with the number of times of recording, if the disc information relating to the number of times the optical disk can be recorded with respect to the disk device 1 that is the transmission source of this data is accumulated , the recording is performed. The disk information regarding the possible number of times is transmitted to the transmission source disk device 1 via the network 40.
The microcomputer 11 receives disk information regarding the number of times the optical disk can be recorded from the server 50 of the manufacturer of the disk device 1 via the network 40, and sends a character information signal and a control signal to the OSD circuit 10 to send the manufacturer's server. Disc information relating to the number of recordable times of the optical disc provided from 50 is displayed on the screen of the monitor device 30 (not shown). Thus, the user selects an optical disc suitable for the self-owned disk device based on the number of times each of the various optical discs 2 recorded using the same type of disk device as the self-owned disc device 1 is recorded. Thus, when the user purchases an optical disc, the user can select an optical disc suitable for the disc device from among various optical discs on the market.
In the server 50 of the manufacturer of the disk device 1, as described above, when the MID and the number of recording times of the optical disk are transmitted from the disk device 1 via the network 40, the MID and the number of recording times of the optical disk are transmitted via the network 40. And the statistics of the number of recordable times of the optical disk for each MID stored in itself are collected, and disk information relating to the number of recordable times of the optical disk for each MID is accumulated. Thus, manufacturers of the disk device receives the providing information of a recordable number of the optical disc for each MID, it is possible to know the problems of the disk device with respect to the optical disc for each MID, various on the market development of a disk device can correspond to optical disks, it can be reflected in improvements.
When disk information related to the recordable number of optical disks is accumulated in the manufacturer's server 50, the manufacturer's server 50 distributes the disk information related to the recordable number of optical disks to the user's disk device 1 via the network 40. . Thus, it is possible to provide the user with disk information for selecting an optical disk suitable for the disk device stored in the manufacturer's server.
The operation will be described with reference to the flowchart of FIG. 3 showing the operation of the disk apparatus according to the embodiment of the present invention.
When the recording of the information data on the optical disk is instructed, the process proceeds from step S1 to step S2, the information data on the optical disk is overwritten and recorded in step S2, and the process proceeds to step S3. In step S3, it is determined whether or not the recording of the information data is finished. If the recording of the information data is finished, the process proceeds to step S4. If the recording of the information data is not finished, the process returns to step S2, and the step Repeat the steps from S2.
In step S4, 1 is added to the number of times recorded in the RMA of the optical disk to update the number of times of recording, and the MID and the number of times of recording recorded in the RMA of the optical disk via the network are changed from the disk device to the manufacturer's server. The process proceeds to step S5.
In step S5, it is determined whether or not the disc information related to the recordable number of times for the optical disc is stored in the manufacturer's server. If the disc information related to the recordable number of times for the optical disc is stored in the manufacturer's server, the process proceeds to step S6. If the disc information relating to the recordable number of times of the optical disc is not stored in the manufacturer's server, the process proceeds to step S7 and the process is terminated.
In step S6, disk information relating to the number of recordable optical disks is received from the manufacturer's server via the network and displayed on the screen of the monitor device, and the process proceeds to step S7 to end the process.
Further, description will be made based on a flowchart showing the operation of the manufacturer's server connected to the disk apparatus of the embodiment of the present invention shown in FIG.
When the MID of the optical disk and the number of recordings are transmitted from the disk device via the network, the process proceeds from step S11 to step S12. In step S12, the MID of the optical disk and the number of recordings are received via the network. Statistics of the number of recordable times of the optical disk for each MID accumulated in the server are taken, disk information relating to the number of recordable times of the optical disk for each MID is stored, and the process proceeds to step S13.
In step S13, it is determined whether or not the disc information related to the recordable number of times for the optical disc is stored in the manufacturer's server. If the disc information related to the recordable number of times for the optical disc is stored in the manufacturer's server. If the disc information relating to the recordable number of times of the optical disc is not stored in the manufacturer's server, the process proceeds to step S15 and the process is terminated.
In step S14, the disc information related to the number of recordable times of the optical disc is distributed to the disc device via the network, and the process proceeds to step S15 to end the process.
Although the best mode for carrying out the present invention has been described in detail above, the present invention is not limited to this, and modifications and improvements can be made within the ordinary knowledge of those skilled in the art. Needless to say.

It is a block diagram which shows the structure of the disk apparatus of one Example of this invention. It is explanatory drawing which shows each area | region of an optical disk. It is a flowchart which shows operation | movement of the disc apparatus of one Example of this invention. It is a flowchart which shows operation | movement of the manufacturer's server connected via the network to the disk apparatus of one Example of this invention.

Explanation of symbols

1 Disc device 2 Optical disc 2a RMA
2b Lead-in area 2c Data recording area 2d Lead-out area 3 Optical pickup 4 Spindle motor 5 Thread motor 6 Servo circuit 7 RF amplifier circuit 8 Tuner 9 Signal processing circuit 10 OSD circuit 11 Microcomputer 12 Remote control receiver 13 Modem 14 Antenna 15 External input Terminal 20 Remote control device 30 Monitor device 40 Network 50 Manufacturer's server

Claims (1)

A recording / reproducing unit for recording / reproducing information data on an optical disc;
A display control unit for displaying character information on the display unit;
An input unit for inputting a command by a user's manual operation;
A control unit for controlling the entire disk device based on a command input from the input unit;
A modem that connects the control unit to a server of a user-owned disk device manufacturer via a network;
The controller is
When a command for recording information data is input from the input unit, a recording control function for controlling the recording / reproducing unit to overwrite and record information data on the optical disc;
Each time information data is overwritten and recorded on the optical disc by the recording control function, an update control function that updates the recording count by adding 1 to the recording count recorded in the RMA of the optical disc; and When the update is finished, the recording / reproducing unit is controlled to read the MID unique to each type of optical disc recorded in the RMA by the optical disc manufacturer, and the read MID and A transmission control function for associating the number of times of recording updated by the update control function and transmitting to the server via the network;
At the server, and stores data associated with each MID and recording the number of double type of the optical disc received from the plurality of disk devices in the disk apparatus and the same model of the user owned, multiple types of the MID of the optical disk The disk information transmitted from the server via the network is stored when the disk information related to the recordable number of times of the optical disk for each MID obtained as the disk information regarding the statistics based on the information of the plurality of recording times for each is stored. A reception control function for receiving disc information relating to the recordable number of times;
And a display control function for controlling the display control unit so that the display unit displays the disc information related to the recordable number of times received by the reception control function.

Images