JPH07105588A - Optical disk cartridge and optical disk device - Google Patents

Abstract

PURPOSE:To enable quickening access time and also to attain the shortening of retrieving time and the making of large capacity of auxiliary information. CONSTITUTION:Magnetic recording means 13, 14 capable of recording and reproducing of auxiliary information S concerning main information M recorded on an optical disk 12 are provided in an optical disk cartridge 1. Further, a first recording and reproducing means 20 for optically recording and reproducing the main information M recorded on the optical disk 12 housed in the optical disk cartridge 1 and a second recording and reproducing means 40 for magnetically recording and reproducing the auxiliary information S in magnetic recording and reproducing means 13, 14 provided in the optical disk cartridge 1 are provided in an optical disk device 2.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an optical disk cartridge and an optical disk device which house an optical disk for optically recording information.

[0002]

2. Description of the Related Art FIG.
As shown in FIG. 1, an information recording portion 110 in which a file and the like are recorded and an information recording portion 1 in the optical disc 100.
The auxiliary information recording portion 120 for recording the table of contents information and the auxiliary information regarding 10 is provided.
Then, the optical disc 100 is set in the optical disc device, and the recording / reproducing unit in the optical disc device reproduces or rewrites the file in the information recording portion 110 based on the auxiliary information recording portion 120. .

In such an optical disk device, the table-of-contents information and the auxiliary information in the auxiliary information recording section 120 must be reproduced and rewritten before the files in the information recording section 110 are reproduced or rewritten. It slowed down the slow access speed of the optical disk device. Further, when there are a large number of optical discs, in order to search for an optical disc on which desired information is recorded, it is necessary to set a large number of optical discs in the optical disc device one by one and search for them. , It took a long time to search.

In order to cope with such a problem, an optical disk device having a recording device for storing the table of contents information and auxiliary information in the auxiliary information recording portion 110 on the optical disk device side,
A technique has been devised in which a recording element such as a semiconductor memory is mounted on an optical disk cartridge for accommodating an optical disk so that these recording devices and recording elements can be directly accessed to speed up the access speed (Japanese Patent Laid-Open Publication No. 6-58242).
2-128084 publication).

[0005]

The above-mentioned conventional technique has the following problems. First, in the optical disc device having the recording device storing the table of contents information and the supplementary information of the auxiliary information recording portion on the optical disc device side, only the optical disc related to the table of contents information and the supplementary information stored in this recording device can be used. And inferior in versatility. Next, in the technology in which a recording element such as a semiconductor memory is attached to an optical disk cartridge that stores an optical disk, image and audio information are also recorded on the optical disk to increase the capacity of the optical disk. It is difficult to store auxiliary information or the like corresponding to the large amount of information in a recording element such as a semiconductor memory.

The present invention has been made in view of the above problems, and provides an optical disk cartridge and an optical disk device capable of speeding up access speed, shortening the search time, and increasing the capacity of auxiliary information. For the purpose of provision.

[0007]

In order to achieve the above object, the present invention can write and read auxiliary information relating to the main information recorded on the optical disk in an optical disk cartridge containing an optical disk for recording the main information. The magnetic recording means is provided. Further, the optical disk cartridge according to claim 2 is the magnetic recording means according to claim 1, wherein the magnetic recording means inputs and outputs the fixed magnetic disk device capable of writing and reading the auxiliary information to and from the fixed magnetic disk device. And the electrode.

The optical disk device of the present invention further comprises a first recording / reproducing means for optically recording / reproducing main information of the optical disk contained in the optical disk cartridge according to claim 1 or 2. A second recording / reproducing unit for magnetically recording / reproducing the auxiliary information of the magnetic recording unit provided in the optical disk cartridge is provided.

Further, in an optical disk device according to a fourth aspect, the second recording / reproducing means is provided with an electrode electrically connected to an electrode of the optical disk cartridge according to the second aspect.
A signal processing unit for recording / reproducing the auxiliary information of the fixed magnetic disk device via the electrodes is provided.

[0010]

According to the above-mentioned optical disk cartridge, the magnetic recording means can write / read the auxiliary information relating to the main information recorded on the optical disk. Further, according to the optical disc device, the main information of the optical disc accommodated in the optical disc cartridge can be optically recorded / reproduced by the first recording / reproducing device, and further, the second recording / reproducing device can be used. The auxiliary information of the magnetic recording means provided in the optical disc cartridge can be magnetically recorded and reproduced.

[0011]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a schematic perspective view showing an optical disk cartridge according to an embodiment of the present invention. The optical disc cartridge 1 includes a cartridge body 11 and an optical disc 12 rotatably housed in the cartridge body 11.
And a rotary magnetic disk device 13 as a magnetic recording means and a rotary magnetic disk device electrode 14.

Main information M is recorded on the optical disk 12, and the fixed magnetic disk device 13 records auxiliary information S (for example, a track address or image of the main information M) on the main information M recorded on the optical disk 12. Auxiliary information such as information analysis) can be recorded and reproduced. The fixed magnetic disk device electrode 14 is electrically connected to the fixed magnetic disk device 13, whereby the fixed magnetic disk device 13 can input / output the auxiliary information S and supply power. ing.

FIG. 2 is a block diagram showing an optical disk device according to an embodiment of the present invention, which is an optical disk device in which the above optical disk cartridge 1 can be used. The optical disc device 2 includes a first recording / reproducing means 20,
The second recording / reproducing means 40.

The first recording / reproducing means 20 is for optically recording / reproducing the main information M of the optical disc 12 housed in the optical disc cartridge 1, and has an optical head 21, a servo circuit 22, and The amplifier 23, the modem 24, the motor 26, and the system controller 3
It is formed by 0 and.

The motor 26 is for rotating the optical disk 12 of the set optical disk cartridge 1, and the optical head 21 is for rotating the optical disk 12.
For recording and reproducing. When the optical disk cartridge 1 is set in the optical disk device 2, the optical disk 12 is moved to the motor 2 by the disk clamper.
It is designed to be fixed on 6.

The servo circuit 22 is for controlling focus, tracking, access and the like for the optical head 12 and for controlling the rotation of the motor 26, and operates according to an instruction from the system controller 30. It is supposed to do.

The amplifier 23 is for amplifying and outputting the main information M from the optical head 21 or the main information M from the modulator / demodulator 24. The modulator / demodulator 24 demodulates the main information M from the amplifier 23. Or has a function of modulating the main information M from the information input / output terminal 25.

The system controller 30 has a function of instructing operation of the servo circuit 22, amplifier 23, modulator / demodulator 24 described above, and operation of a fixed magnetic disk interface circuit 42 described later.

On the other hand, the second recording / reproducing means 40 is for magnetically recording / reproducing the auxiliary information S of the fixed magnetic disk device 13 provided in the optical disk cartridge 1, and the fixed magnetic disk device electrode 41. And a fixed magnetic disk interface circuit 42.

The fixed magnetic disk device electrode 41 is the fixed magnetic disk device electrode 1 of the optical disk cartridge 1.
4 is formed so that when the optical disk cartridge 1 is set in the optical disk device 2, it is electrically connected to the fixed magnetic disk device electrode 14.

Fixed magnetic disk interface circuit 4
Reference numeral 2 constitutes a signal processing unit for recording / reproducing auxiliary information of the fixed magnetic disk device 13 via the fixed magnetic disk device electrode 41 connected to the fixed magnetic disk device electrode 14 together with the system controller 30. ing. That is, the fixed magnetic disk interface circuit 42 receives the information input from the system information input / output terminal 31 or the auxiliary information S created by the system controller 30 in accordance with the operation instruction of the system controller 30 from the fixed magnetic disk of the optical disk cartridge 1. The device controls the recording and reproduction.

Next, the operation of this embodiment will be described. First, the operation of recording the main information M from the optical disc device 2 to the optical disc cartridge 1 will be described. When the optical disc cartridge 1 is set in the optical disc device 2, the optical disc 12 is fixed to the rotation shaft of the motor by a disc clamper (not shown) of the optical disc device 2, and the fixed magnetic disc device electrode 14 of the optical disc cartridge 1 is fixed to the optical disc device 2 Is electrically connected to the fixed magnetic disk device electrode 41.

In this state, the auxiliary information S about the main information M
Is input to the system controller 30 from the system information input / output terminal 31 and sent to the fixed magnetic disk interface circuit 42. Then, according to the operation instruction of the system controller 30, the auxiliary information S of the fixed magnetic disk interface circuit 42 is recorded in the fixed magnetic disk device 13 via the fixed magnetic disk electrodes 41 and 14. That is, when the optical disc cartridge 1 is set in the optical disc device 2, the auxiliary information S is sent from the system information input / output terminal 31 to the fixed magnetic disc interface circuit 42 under the control of the system controller 30 and is controlled by the fixed magnetic disc interface circuit 42. The auxiliary information S is recorded in the fixed magnetic disk device 13.

On the other hand, the main information M is input from the information input / output terminal 25, modulated by the modulator / demodulator 24, recorded and amplified by the amplifier 23, and output to the optical head 21. When the main information M is input to the optical head 21, the optical head 21 records the main information M on the optical disc 12 of the optical disc cartridge 1 under the control of the servo circuit 22. As described above, the main information M and the auxiliary information S are recorded in the optical disc cartridge 1.

Next, the operation of reproducing the main information M of the optical disk cartridge 1 by the optical disk device 2 will be described. In reproducing the main information M, the auxiliary information S is first reproduced, and then the main information M relating to the auxiliary information S is reproduced.
The auxiliary information S recorded in the fixed disk device 13 of the optical disk cartridge 1 is reproduced and called by the fixed magnetic disk interface circuit 42 of the optical disk device 2, and is read from the fixed magnetic disk device 13 via the fixed magnetic disk electrodes 14 and 41. And is input to the fixed magnetic disk interface circuit 42.

In the optical disk device 2, the auxiliary information S input to the fixed magnetic disk interface circuit 42 is input.
Based on the above, the main information M corresponding to the auxiliary information S is reproduced and called from the optical disc 12 of the optical disc cartridge 1. That is, the main information M from the optical disc 12
The data is read by the optical head 21, reproduced and amplified by the amplifier 23, demodulated by the modulator / demodulator 24, and output from the information input / output terminal 25.

As described above, according to this embodiment, the auxiliary information S is recorded / reproduced by the fixed magnetic disk device 13 having a high access speed. When the recording / reproduction is performed and the servo of the optical disk 12 is in a standby state in which the servo is stable, it is possible to quickly access the track on which the target main information M is recorded. Therefore, the recording / reproducing operation can be speeded up. Also, the optical disc 12
Since the auxiliary information S regarding the main information M on the other track of the optical disk 12 can be read from the fixed magnetic disk device 13 while the main information M of the above is being reproduced, the efficiency of the reproducing operation can be improved. .

[0028]

As described above, according to the optical disk cartridge and the optical disk device of the present invention, since the auxiliary information can be written in the magnetic recording means of the optical disk cartridge, a large amount of auxiliary information can be stored. It is possible to increase the capacity of the auxiliary information. Further, while the main information of the optical disk housed in the optical disk cartridge is optically recorded / reproduced by the first recording / reproducing means of the optical disk device, it is provided in the optical disk cartridge by the second recording / reproducing means. Since the auxiliary information of the magnetic recording means can be magnetically recorded and reproduced,
Access speed can be increased. Furthermore, without setting the optical disc in the optical disc device, it is possible to find out a desired information from a large number of optical discs in a short time.

[Brief description of drawings]

FIG. 1 is a schematic perspective view showing an optical disk cartridge according to an embodiment of the present invention.

FIG. 2 is a block diagram showing an optical disk device according to an embodiment of the present invention.

FIG. 3 is a plan view showing a conventional optical disc cartridge.

[Explanation of symbols]

 1 Optical Disk Cartridge 2 Optical Disk Device 12 Optical Disk 13 Fixed Magnetic Disk Device 14, 41 Fixed Magnetic Disk Device Electrode 20 First Recording / Reproducing Means 21 Optical Head 30 System Controller 40 Second Recording / Reproducing Means 42 Fixed Magnetic Disk Interface Circuit M Main Information S Auxiliary information

Claims (4)

[Claims] 1. An optical disc cartridge containing an optical disc for recording main information, comprising: an optical disc cartridge capable of writing and reading auxiliary information relating to the main information recorded on the optical disc. 2. The magnetic recording means comprises a fixed magnetic disk device capable of writing and reading the auxiliary information, and an electrode for inputting and outputting the auxiliary information to and from the fixed magnetic disk device. The optical disk cartridge described. 3. A first recording / reproducing means for optically recording / reproducing main information of the optical disc housed in the optical disc cartridge according to claim 1 or 2, and provided in the optical disc cartridge. An optical disk device comprising: a second recording / reproducing unit for magnetically recording / reproducing the auxiliary information of the magnetic recording unit. 4. The second recording / reproducing means records / reproduces electrodes electrically connected to the electrodes of the optical disc cartridge according to claim 2 and auxiliary information of the fixed magnetic disc device via the electrodes. 4. The optical disk device according to claim 3, further comprising a signal processing unit for performing the operation.