JPH0963171A - Disk autochanger device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To automatically reproduce a specified music number and to prevent problems in the reproduction from a disk by reading index information from the inserted disk by a reproducing mechanism, performing disk housing management and housing the disk in a stocker. SOLUTION: The disk D is passed through inserting holes 1 and 8 and is press-fixed onto a turntable 5 by carrier rollers 10 and 11. Then, the index information of the disk is read out, and management control information of its disk number and housing position is stored. At the same time, a reproducing block 4 is driven to detect a housing position of the stocker 3, and then the disk is housed via the rollers 12 and 13. At the time of repoducing, the housing position is detected from the management control information by specifying the disk number, and the reproducing block 4 is moved to the housing position. In this place, the specified disk is lifted by a base plate 14, and is carried to the reproducing block side, and is then reproduced after being press-fixed onto the turntable 5. Thus, by specifying the disk number, problem in reproducing other disks are eliminated, and hence useless operation is reduced.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a disc autochanger device capable of automatically exchanging a disc mounted in a reproducing mechanism for reproducing a disc among a plurality of discs stored in a stocker, and to a panel surface of a housing. The present invention relates to a disc autochanger device capable of inserting and ejecting a disc through a provided insertion opening.

[0002]

2. Description of the Related Art There is known a disc autochanger device which stores a plurality of discs and automatically exchanges the discs to be reproduced. As the disc autochanger device, a disc type CD (CD) compatible disc is widely used. doing.

As such a disc autochanger device, for example, as disclosed in Japanese Patent Laid-Open No. 6-89495, the discs are erected and arranged side by side so that the discs can be efficiently stored in a small space. There is something you did.

By the way, as described in the above publication, the disc auto-changer device for storing the discs in an upright arrangement in a horizontal row has a structure in which the discs are normally stored directly in a stocker by hand.

[0005]

With such a structure in which the discs are directly stored by hand, the discs can be quickly stored in the stocker, but if the discs are stored in the stocker, the plural discs stored in the stocker can be reproduced. It is not possible to detect the index information (TOC information for a CD) of each disk in advance. Therefore, the disc autochanger device having such a configuration is disadvantageous in managing a plurality of discs stored in the stocker.

That is, in the case of the disc autochanger device, the disc number and the song number are manually specified to select a predetermined song from a plurality of discs stored in the stocker. The disc number specified by the manual operation is selected. Even if the disc is not stored in the disc storage position of the stocker corresponding to, the search operation is performed to play the disc, or the stocker disc storage position corresponding to the disc number specified by the manual operation is set. Even if the disc is housed and there is no designated song number on the disc, the disc reproducing operation is performed to reproduce the designated song number on the disc.

Alternatively, in order to solve the above problems,
Since it is necessary to read the index information of each disk stored in the stocker in advance, one by one, this method is not practical when the number of disks that can be stored in the stocker is large.

In addition, if the disc is directly stored in the stocker by hand, there is a problem that the disc is stored inside out, or a scratched disc that cannot be reproduced or a dissimilar disc is stored.

By the way, as an automatic disc changer device for storing discs which are vertically arranged in a horizontal row, for example, as shown in Japanese Patent Laid-Open No. 59-231756, one disc can be inserted into the panel surface of the housing. An insertion opening is provided, and the disc inserted in the insertion opening is configured to be mounted in the reproducing mechanism, and the disc inserted in the insertion opening is inserted into the stocker through the reproduction block in which the reproducing mechanism is installed. Some are designed to be stored in.

In the disc autochanger device disclosed in this publication, the stocker is displaceably supported with respect to a reproduction block fixed to store the disc in each disc storage portion of the stocker. The discs can be stored in the respective disc storage portions by displacing the discs.

However, when the stocker is displaced like this disc autochanger device, a space for displacing the stocker is required on the side of the stocker, so that the width of the stocker can be effectively expanded within the range of being accommodated in the housing. Was not possible, and it was disadvantageous in terms of the number of discs that could be stored.

In view of this point, the present invention effectively secures the number of discs to be stored while inserting one disc from the insertion port provided on the panel surface of the housing to store a plurality of discs in the stocker. An object is to provide a disc autochanger device.

It is another object of the present invention to provide a disc autochanger device capable of managing a plurality of discs stored in a stocker based on index information of each disc.

[0014]

According to the present invention, a reproducing block having a reproducing mechanism is installed so as to be movable along a stocker, and a disk is mounted on a panel surface of a casing opposite to the stocker side of the reproducing block. An insertion hole through which one disc can be inserted is provided, and an insertion hole through which a disc can be inserted so as to guide the disc to the reproduction mechanism is provided on both of the face of the insertion port of the reproduction block and the face of the stocker. The disc moves between the insertion opening and the stocker via a block.

Further, according to the present invention, the disc inserted from the insertion port is mounted on the reproducing mechanism of the reproducing block, and in that state, the reproducing block is driven to detect the disc storage position in the stocker. The index information of the disc mounted in the reproducing mechanism is read.

[0016]

In the case of the disc autochanger device for consumer use, attention is paid to the fact that the user often stores the discs one by one in the stocker every time he or she obtains the disc. The disc inserted into the provided insertion slot can be held in the playback block where the playback mechanism is installed, and by moving the playback block, the disc can be conveyed to each disc storage position of the stocker so that the disc can be stored in the stocker. It is storing.

In addition, the discs held in the reproduction block are stored in the stocker so that the disc index information is read while the reproduction block is being driven so that the discs can be stored in a predetermined disc storage position of the stocker. Management is possible based on the index information of each disk.

In addition, the reproduction block is driven to detect the disk storage position in the stocker, and at the same time, the index information of the disk mounted in the reproduction mechanism is read, and the stocker reads the index information to read the index information. Is effectively using the time to store.

[0019]

1 is a perspective view showing the internal construction of an automatic disc changer apparatus according to the present invention, which is intended for a CD.

In FIG. 1, reference numeral 1 is an insertion opening formed in the front panel 2 surface of the housing so that one disk can be inserted therethrough. A stocker 3 stores a plurality of discs (CDs), and the stocker 3 is formed with a plurality of disc storage portions so that the discs can be stood upright and arranged in a horizontal row.

Reference numeral 4 is a reproduction block provided with a reproduction mechanism including a turntable 5 for mounting the disk D and an optical pickup 6 for optically reading signals from the disk D. The reproduction block 4 is arranged between the front panel 2 and the stocker 3, and is guided by the guide rail 7 so as to be movable along the arrangement direction of the disk storage of the stocker 3.

Further, in the reproduction block 4, the insertion hole 8 through which the disc D can be inserted so as to guide the disc D to a reproduction position where it can be reproduced by a reproduction mechanism on both the facing surface of the insertion opening 1 and the facing surface of the stocker 3. And 9 are provided.

In the disc autochanger device thus constructed, the reproducing block 4 is configured so that the insertion hole 8 is displaced to the standby position at a position facing the insertion opening 1 of the front panel 2 in the initial setting state and the standby state. When the reproduction block 4 is displaced to the standby position and the disc D is inserted from the insertion port 1, the disc D is inserted into the reproduction block 4 through the insertion hole 8 and the conveying roller on one side is inserted. It is guided to the reproduction position by 10, 11.

The disc D guided to the reproducing position is temporarily stopped at the reproducing position, and then is pressed onto the turntable 5 by a clamping operation, and the conveying rollers 10,
The avoidance operation of 11 separates the conveyance rollers 10 and 11.

The disk D pressed onto the turntable 5 is rotationally driven and the index information (TOC information) in the lead-in area is quickly read. On the other hand, when the disc D is crimped onto the turntable 5, if the disc D is stored in the stocker 3 according to the instruction, the disc D is not reproduced even if the disc is reproduced. Even when the reproduction block 4 is directly stored in the stocker 3, the reproduction block 4 is driven in parallel with the reading of the index information. In this case, the reproduction block 4 is driven while the position of the disc storage position of the disc D stored in the stocker 3 is detected according to the instruction.

When the detection of the disk storage position is completed, the drive of the reproduction block 4 is stopped at that point. When the driving of the reproduction block 4 is stopped, the TOC information is read, or if the disk reproduction is still being performed, the operation is continued as it is, and when the series of operations according to the instruction is completed, the turntable 5 is placed. The pressure of the disk D is released, and the transport rollers 10 and 11 are pressure-bonded to the disk D again.

After that, the reproduction block 4 is finely positioned at the detected disk storage position, and is locked in that state. Then, next, the disc D in the reproduction block 4 is transported to the stocker 3 side by the transport rollers 10 and 11.

When the conveyance of the disc D to the stocker 3 side is started, the disc D is conveyed to the other side of the conveyance rollers 12, 1.
It is sandwiched between the three and driven, and is conveyed to the outside of the reproduction block 4 through the insertion hole 9.

When the disc D is transported to the outside of the reproduction block 4, the disc D is stored in the designated disc storage position of the stocker 3, and when the disc D passes between the transport rollers 12 and 13, the The disc D rolls and is stored in the disc storage position.

The disc D inserted in the insertion opening 1 in this way can be stored in the stocker 3 via the reproduction block 4 so as to be stored in the designated disc storage position. On the other hand, the disks D stored in the stocker 3 can be ejected from the insertion opening 1 in reverse via the reproduction block 4.

In this case, first, the position of the designated disc storage position is detected and positioned, and the reproduction block 4 is displaced to the disc storage position of the disc D to be ejected. After that, the disc D to be ejected is lifted from the disc storage position by a take-out lever (not shown) provided on the base plate 14 which is fixed to the play block 4 and displaced integrally with the play block 4, and the take-up lever So that the disk D rolls out from the stocker 3 to the reproduction block 4 side.

Since the insertion hole 9 of the reproduction block 4 faces the disk storage position of the disk D rolled out from the stocker 3, the disk D is inserted into the insertion hole 9 described above.
Is inserted into the reproduction block 4 via. Therefore, the disk D is sandwiched between the transport rollers 12 and 13 and is driven toward the reproduction position of the reproduction block 4 in this case.

When the disk D is driven toward the reproducing position, the disk D is switched from being driven by the carrying rollers 12 and 13 to being driven by the carrying roller 11 or the carrying rollers 10 and 11 and being driven to the playing position.

When the disc D is driven to the reproduction position,
The drive of the disc D is stopped, and the drive of the reproduction block 4 to the standby position is started while the disc D is displaced to the reproduction position. In this case, the conveying rollers 10 and 11 are kept in close contact with the disc D, and the disc D is held between the conveying rollers 10 and 11 and the inner wall surface of the reproducing block 4 and held in the reproducing block 4.

When the reproduction block 4 is driven to the standby position, the transport rollers 10 and 11 are driven again in the direction to eject the disc D, and the disc D is inserted through the insertion hole 8 into the insertion port 1 of the front panel 2. When the disc D is ejected to the ejection completion position where the center hole of the disc D projects from the front panel 2 surface, the drive by the conveying rollers 10 and 11 is stopped, and the ejection operation of the disc D is completed. To be done.

In the state where the disc D is displaced to the ejection completion position, only the conveying roller 10 is in close contact with the disc D, so that the disc D is not dropped and is kept in the displacement completed position. To be done.

On the other hand, the disk storage position of the predetermined disk D stored in the stocker 3 can be changed.
In this case, the disc D displaced from the stocker 3 to the reproduction position of the reproduction block 4 is conveyed by the reproduction block 4 to a position corresponding to the disc storage position of the change destination,
Then, the disc D is ejected from the reproduction block 4 and stored in the disc storage position.

Further, the disc D which has been inserted through the insertion opening 1 and reproduced can be ejected from the insertion opening 1 without storing it in the stocker 3. In this case, the disc D inserted from the insertion opening 1 is pulled into the reproduction block 4 and the disc is reproduced by the reproducing mechanism so that the disc D is reproduced. At the same time, the reproduction block 4 is slightly moved from the standby position so that another disk D cannot be inserted from the insertion opening 1. When the reproduction of the disk D is completed, the pressure contact of the disk D onto the turntable 5 is released, the transport rollers 10 and 11 are pressed against the disk D, and the reproduction block 4 is driven to the standby position in parallel. Then, the disc D is ejected from the insertion port 1 by the transport rollers 10 and 11.

By the way, in the above-described disc autochanger device, when the disc D is inserted through the insertion opening 1, the disc D is made reproducible by the reproducing mechanism regardless of whether the disc is regenerated or not. The TOC information of the disc D is read. For that reason,
The management when the disc D inserted from the insertion port 1 is stored in the stocker 3 can be effectively performed.

FIG. 2 shows an example of a circuit block diagram of a portion for carrying out management control when the disc is stored in the stocker 3 in the disc autochanger device according to the present invention.

TOC of the disc inserted from the insertion port 1
When the information is read and the separated subcode signal is input to the input terminal 21, the Q of the subcode signal is input.
The sub-Q signal of the channel is demodulated by the sub-Q demodulation circuit 22 and written in the TOC memory 23 as TOC data.

When the disc inserted from the insertion port 1 is stored in the stocker 3, the storage position data corresponding to the disc number of the disc storage position where the disc is stored is operated by the key input 24.
Given to 5.

When the storage position data is given, the disk management circuit 25 gives a command to the storage control circuit 26 to detect the position of the disk storage position of the disk number corresponding to the storage position data, and the storage control circuit 26. Thus, the feed mechanism drive circuit 27 that drives the feed mechanism of the reproduction block 4 is controlled, and the reproduction block 4 is driven.

In this case, the storage control circuit 26 is provided with a sensor output from the sensor 28 for detecting each disk storage position each time the disk storage position of the stocker 3 is reached as the reproduction block 4 moves. The storage control circuit 26 detects the disk number of the disk storage position where the reproduction block 4 is displaced.

Therefore, the disc inserted from the insertion opening 1 can be stored in the disc storage position corresponding to the disc number set by the operation of the key input 24.
On the other hand, the TOC data written in the TOC memory 23 indicates a writing area to the RAM 29 according to the disc number set by the key input 24 operation by the disc management circuit 25 as the management control information of the disc stored in the stocker 3. A write address is set and written in the RAM 29 corresponding to the address.

In this way, the management control information of each disk stored in each disk storage position of the stocker 3 is stored in the RAM by changing the address corresponding to each disk number.
29 will be written. Therefore, the management control information of each disk stored in each disk storage position is managed by the disk management circuit 25 for each disk number. Incidentally, the management control information written in the RAM 29 is configured to be backed up, and each disk stored in each disk storage position of the stocker 3 is managed by the management control information even after the power is turned on again. I can.

Therefore, when the operation of designating the disk number to be reproduced is performed in order to reproduce the desired disk stored in the stocker 3, the management control information of the disk having the disk number is recognized only by the operation. It is possible to draw the specified disc into the playback block 4 when the disc number of the disc storing position where the disc is not accommodated is designated, or when the song number which is not on the disc of the designated disc number is designated. A display or the like can inform that there is no disk having the target disk number designated by the operation or that the target music number does not exist without performing unnecessary operation.

On the other hand, even if an attempt is made to read the TOC information of the disc inserted through the insertion opening 1, the reflected light amount of the reading light beam for reading the disc does not reach the normal range, or the reflected light amount reaches the normal range. Even if the sub Q signal is not obtained by the sub Q demodulation circuit 22 and the TOC information is not normally read, the disc abnormality detection circuit 30 determines that the disc is an abnormal disc, and outputs the determination output to the reproduction block 4. The disk is supplied to the transfer control circuit 31 which controls the loading and unloading of the disk. Then, the transport control circuit 31 controls the disk drive circuit 32 so that the disk inserted in the reproduction block 4 is ejected from the insertion port 1.

Therefore, if the disc inserted through the insertion opening 1 is scratched, is mistakenly inserted on the front and back, or a different type of disc is inserted, the reproduction block 4 is immediately executed after the reading of the TOC information is attempted. It is possible to prevent the disc inserted in the disc from being ejected from the insertion opening 1 and storing the non-reproducible disc in the stocker 3.

[0050]

As described above, the disc autochanger device according to the present invention makes it possible to hold a disc inserted from the insertion opening provided on the panel surface of the housing in the reproduction block provided with the reproduction mechanism, and to store the disc. Since the disc is stored in the stocker by moving the playback block to each disc storage position of the stocker, the index information of the disc is read by the playback mechanism before storing the disc in the stocker. It is possible to manage each disc based on the index information of each disc stored in the stocker,
Useless disk search operation is performed when a disk is not stored in the disk storage position of the stocker corresponding to the specified disk number, or when there is no specified track number on the disk corresponding to the specified disk number. It is possible to solve the problem that various disk playback operations are performed.

Further, by reading the index information of the disc by the reproducing mechanism before storing the disc in the stocker, it is possible to detect a disc that cannot be read before storing the disc in the stocker. It is possible to prevent the problem that the disc is stored in the disc or that a disc with a scratch that cannot be played back or a disc of a different type is stored.

Further, according to the present invention, the disc inserted from the insertion port is mounted on the reproducing mechanism of the reproducing block, and the reproducing block is driven in that state to detect the disc storage position in the stocker. Since the index information of the disc mounted on the reproducing mechanism is read, the disc index information can be read by effectively utilizing the time for storing the disc in the stocker.

[Brief description of drawings]

FIG. 1 is a perspective view showing an internal configuration of a disc autochanger device according to the present invention.

FIG. 2 is a circuit block diagram showing an example of a portion for performing management control when the disc is stored in the stocker 3 in the disc autochanger device according to the present invention.

[Explanation of symbols]

 1 insertion port 3 stocker 4 reproduction block 8 and 9 insertion hole 22 sub-Q demodulation circuit 23 TOC memory 25 disk management circuit 26 storage control circuit 27 feed mechanism drive circuit 29 RAM 30 disk abnormality detection circuit 31 transfer control circuit 32 disk drive circuit

Claims (2)

[Claims] 1. A disc autochanger device comprising a stocker for storing a plurality of discs, wherein a disc mounted in a reproduction mechanism for reproducing a disc from among the discs stored in the stocker is automatically exchangeable. A reproduction block on which a mechanism is installed is movably installed along the stocker, and an insertion opening through which one disk can be inserted is provided on the panel surface of the housing located on the opposite side of the stocker side of the reproduction block, and Insertion holes through which a disc can be inserted to guide the disc to the reproducing mechanism are provided on both the facing surface of the insertion port and the facing surface of the stocker of the reproduction block, and the disc is connected to the insertion port and the stocker via the reproduction block. A disc autochanger device designed to move back and forth. 2. The reproducing mechanism is mounted on the reproducing mechanism of the reproducing block, and the reproducing mechanism is driven in that state to detect the disc storage position in the stocker. The disc autochanger device according to claim 1, wherein the index information of the loaded disc is read.