JP2001229602A - Disk reproducing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To realize a disk reproducing device which may be additionally improved in operability, simplified in constitution and downsized. SOLUTION: The disk reproducing device is constituted to transfer one disk selected from plural disks housed in a stocker between a predetermined first height position in the stocker and a reproducing means and to transfer the disk between a predetermined second height position in the stocker and a disk insertion section. In reproducing or inserting or removing of the selected disk, the disk may be thereby supplied to the transfer route of the reproducing means or disk insertion section merely by carrying out the simple lifting motion without moving the stocker to the reproducing means side or disk insertion section side.

Description

DETAILED DESCRIPTION OF THE INVENTION

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BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a disk reproducing apparatus, and more particularly, to a disk reproducing apparatus suitable for selectively reproducing a desired recording medium from a plurality of stored recording media. .

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2. Description of the Related Art Conventionally, as a disk reproducing apparatus for selectively reproducing a desired disk from a plurality of disk-shaped recording media (hereinafter referred to as a disk), for example, Japanese Utility Model Application Laid-Open No. As disclosed in Japanese Patent Laid-Open No. 195257, there is a method in which a plurality of disks are stored in a stocker that is detachable from the disk reproducing device, and the stocker is mounted on the disk reproducing device.

However, according to this method, it is necessary to attach and detach the stocker every time the disk is replaced, which causes a problem of poor operability. As one method for solving this problem, for example, as disclosed in Japanese Patent Application Laid-Open No. 3-83263, a stocker containing a plurality of sub-tray holding a disc is provided in a disc reproducing apparatus and a disc is provided. There is a configuration in which a main tray for taking in and out is provided.

That is, as shown in FIG. 15, this disk reproducing apparatus 1 has a main tray 5 on sliding portions 3A and 3B of a base 3 on which an optical pickup 2 is mounted, in a direction indicated by an arrow k and a direction opposite thereto. It is slidably held. Therefore, by sliding the main tray 5 along the sliding portions 3A and 3B, the main tray 5 is loaded and unloaded from the disk insertion slot 6A provided in the housing 6 at the loading and unloading position.
1A and light pickup 2
Can be drawn into the reproduction position 11B provided with the.

A plurality of sub trays 13 are provided vertically in the stocker 12 located at the deepest part when viewed from the disk insertion slot 6A.
A is stored, and a desired sub-tray is selected from the sub-tray 13A by moving the stocker 12 up and down, and this is moved in the direction opposite to the direction indicated by the arrow k, so that the sub-tray 13A is moved. Play position 1
Move to 1B.

In this state, by holding the disc placed on the sub-tray 13A on a predetermined turntable (not shown), the disc is driven to rotate, and the recording surface of the disc is optically picked up from the optical pickup. To reproduce information recorded on the recording surface.

When the disk at the reproduction position 11B is swept out of the disk insertion slot 6A to the outside (that is, the loading and unloading position), the sub-tray 13A is placed on the main tray 5 at the reproduction position 11B, and The main tray 5 is swept out from the disk insertion slot 6A to the loading / unloading position 11A while the disk is placed on 13A.

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However, in such a method, when the sub-tray 13A is moved from the stocker 12 to the loading / unloading position 11A, one end of the sub-tray 13A is moved to the main tray 5 at the reproduction position 11B.
After placing the main tray 5 on the sub tray 13
As a result, since the main tray 5 is used, the configuration of the disc reproducing apparatus 1 is complicated, and the overall size is increased.

The present invention has been made in view of the above points, and it is an object of the present invention to propose a disk reproducing apparatus which can further improve operability, and has a simple configuration and a small size.

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According to the present invention, a stocker 31 capable of storing a plurality of disks DISK and a reproducing means for reproducing one of the plurality of disks DISK are provided. When,
The selected disk DISK is transported between a predetermined first height position in the stocker 31 and the reproduction means 90, and a predetermined second height position in the stocker 31 and the stocker A transfer means 68 for transferring between the disc insertion portion 41 provided on the side opposite to the reproduction means 90 with respect to the reproduction means 31, a lifting means 32 for moving the stocker 31 up and down, and Control means 120 for controlling the lifting / lowering means 32 such that the disk DISK selected in the step moves to the first or second height position.
Is provided.

As a result, in the disk reproducing apparatus 30, the selected one of the plurality of disks DISK stored in the stocker 31 is stored in the predetermined first height position in the stocker 31 and the reproducing means. 90 and a predetermined second in the stocker 31.
Can be transported between the height position of the disc and the disc insertion portion 41. Thus, when the selected disc DISK is reproduced or inserted, the stocker 31 is moved to the reproducing means 90.
It can be provided to the reproducing means 90 or the transfer path to the disk insertion section 41 only by performing a simple up-and-down movement without moving to the side or the disk insertion section 41 side.

In the present invention, the first height position and the second height position are the same, and the control means 120
Is selected when the disk DISK selected in the stocker 31 is reproduced or inserted / removed.
Elevating means 3 so that ISK moves to the same height position
2 was controlled.

As a result, in the disc reproducing apparatus 30, after one disc DISK stored in the stocker 31 is ejected through the disc insertion portion 41, another disc D is ejected.
The ISK is inserted into the stocker 31 via the disc insertion portion 41.
The transfer time required for insertion into the apparatus and loading into the reproducing means 90 can be remarkably reduced.

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DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below in detail with reference to the drawings.

(1) Overall Configuration In FIG. 1, reference numeral 30 denotes a disc reproducing apparatus as a whole, and sliding shafts 33A and 33B are fixedly mounted on a chassis 40, and stockers 31 are attached to the sliding shafts 33A and 33B.
Are slidably engaged with sliding bearings 31A and 31B provided on the side surfaces of.

That is, as shown in FIG. 2 as viewed from the disk insertion port 41 side, the stocker 31 has a plurality of trays 42, 43, 44, and 45 on which disks can be mounted.
And 46 are stored. The plurality of trays 42, 4
One end of each of 3, 44, 45 and 46 is held by guide projections 48B, 48C, 48D, 48E and 48F of the side plate 48. At the other end of each of the trays 42, 43, 44, 45 and 46, as shown in FIG.
The sliding shafts 47A, 47B, 47C, 4
7D and 47E are supported, and the sliding shaft 47A,
47B, 47C, 47D and 47E each tray 42, 4
Sliding bearings 42A fixed to 3, 44, 45 and 46;
The respective trays 42, 43, 44, 45 and 46 are held via 43A, 44A, 45A and 46A.
In the stocker 31, the upper plate 31C is fixed on the guide projections 48A and 49A.

Thus, the plurality of trays 42, 43, 4
The stocker 31, which houses 4, 45 and 46, is fixed on the base 50. The base 50 has a guide hole 50A (FIG. 2) formed on the front panel side.
A projection 51A provided at the tip of the elevator arm 51 is slidable along A. The elevator arm 51 is rotatably supported on the chassis 40 by a rotation shaft 51B.

The elevator arm 52 has a chassis 4
The protrusion 52B provided at the distal end is slidable along the guide hole 40A formed at the bottom of the stocker 31 and is rotatable with respect to the base 50 of the stocker 31 by the rotation shaft 52A. It is pivoted. Also, as shown in FIG. 3, elevator arms 65 and 66 are provided on the side surface of the stocker 31 in the same manner.
Is moved up and down, the stocker 31 is supported by the elevator arms 51 and 52.

Here, the stocker 31 holding the trays 42, 43, 44, 45 and 46 is moved to the sliding shafts 33A and 33B.
As shown in FIG. 4, a stocker moving device 32 is provided as a driving means for moving up and down along
0 to the output shaft of the motor M1 fixed to a part of the motor M1.
Is fixed, and the rotation of the pulley 55
Through the second pulley 57.

A gear 58 is formed on the second pulley 57, and a rotational force is applied to the cam 61 via a gear 59 meshed with the gear 58 and a gear 60 integrally formed with the gear 59. The power is transmitted to the gear 62 provided. Accordingly, the rotational force of the motor M1 is transmitted to the cam 61, and the cam 61 can be rotated by driving the motor M1 to rotate.

Here, a rotary encoder 65 is provided at the center of rotation of the cam 61, and the rotation position of the rotary encoder 65 (that is, the rotation position of the cam 61).
Can be detected.

A sliding groove 61A as shown in FIG. 5 is formed on the side surface of the cam 61. When the cam 61 is rotated, a guide projection fixed to the stocker 31 along the sliding groove 61A. 31E is slid, so that the stocker 31 can be moved up and down in the direction indicated by the arrow a or in the opposite direction. Accordingly, by moving the stocker 31 up and down and stopping the cam 61 at a predetermined rotation position based on an output signal of the rotary encoder 65 configured to detect the rotation position of the cam 61, Tray 42 stored in
The desired tray out of 46 can be moved to a predetermined sweeping and inserting position facing the disk insertion opening 41.

The sliding bearings 42A, 43A, 44A, 45A of the trays 42 to 46 stored in the stocker 31 are provided.
And 46A have concave engaging portions 42 at the tip portions, respectively.
B, 43B, 44B, 45B and 46B are formed, and the engaging portions 42B, 43B, 44B, 45B and 4
6B, the engaging portion of the tray at the height position P of the insertion port 41 (hereinafter, referred to as a transportable position) slides on the sliding shaft 63 in the direction of arrow b in the recording medium transport device 68 of FIG. The sliding bearing 64 is engaged with the engaging projection 64A of the moving sliding bearing 64, and can slide in the direction of the arrow b (or the direction opposite to the arrow b) in accordance with the movement of the sliding bearing 64. Therefore, the tray moved to the transportable position P can be transported along the respective sliding shafts 47A, 47B, 47C, 47D and 47E.

The position of the sliding bearing 64 can be detected by position detecting elements 66A, 66B and 66C which are fixed to the chassis 40 and are, for example, photo sensors.

As a means for moving the sliding bearing 64 along the sliding shaft 63, as shown in FIG.
A pulley 71 is fixed to an output shaft of a motor M2 fixed to a part of the pulley 71. The rotation of the pulley 71 is transmitted to a second pulley 73 via a belt 72.

A gear 74 is formed on the second pulley 73, a gear 75 is meshed with the gear 74, and a gear 77 is meshed with a gear 76 integrally formed with the gear 75. Further, a gear 78 integrally formed with the belt driving gear 79 is meshed with the gear 77.

Accordingly, by rotating the motor M2, the belt driving gear 79 can be rotated.
Thereby, the toothed belt 80 meshed with the belt driving gears 79 and 81 can be rotated.
At this time, the sliding bearing 64 fixed to a part of the toothed belt 80 can be moved along the sliding shaft 63.

Accordingly, at this time, the tray 42 fixed integrally with the engaging portion 42A engaged with the sliding bearing 64 is moved in the direction along the sliding shaft 63 (that is, in the direction indicated by the arrow b or in the opposite direction). Direction).

Here, among the plurality of trays 42, 43, 44, 45 and 46 housed in the stocker 31, a method of selecting a tray to be moved by the sliding bearing 64 according to the configuration described above with reference to FIG. By moving the stocker 31 up and down and moving the selected tray to the same height position P as the sliding bearing 64, any one of the engaging portions 42B to 46B of the tray is moved to the protrusion of the sliding bearing 64. Part 64
A can be engaged. The height position P of the tray in which the engaging portion is engaged with the sliding bearing 64 is the insertion position of the insertion port 4.
1 height position.

Accordingly, the selected tray is provided with the motor M
By driving the motor 2, the motor M2 is swept in the direction indicated by the arrow g, and by driving the motor M2 in the reverse direction, the motor M2 is drawn in the direction opposite to the direction indicated by the arrow g.

Further, as shown in FIG.
An optical pickup 90 is provided at a position where either of them is drawn to the deepest part when viewed from the insertion port 41. The optical pickup 90 can move on the base 91 in a direction indicated by an arrow c or in a direction opposite to the direction indicated by an arrow c, and the irradiation position of the light beam irradiating the disk mounted on the tray is determined. It is adapted to be moved along the recording track.

As shown in FIG. 9, the base 91 has a fixed end 91A fixed to the chassis 40 of the disc reproducing apparatus 30, and a displacement end 91B opposite the fixed end 91A to an arrow d. It is possible to shift in the direction shown by and in the opposite direction.

That is, an engaging shaft 93A is fixed to the displacement end 91B of the base 91, and the engaging shaft 93A is oblique and horizontal with respect to the vertical surface of the slide cam 95 as shown in FIG. It is designed to engage with the formed guide hole 95A.

Here, the slide cam 95 can slide in the direction indicated by the arrow e or in the opposite direction. A motor M3 is provided as a driving means for driving the slide cam 95 to slide. I have. In other words, the pulley 103 is engaged with the pulley 101 fixed to the output shaft of the motor M3 via the belt 102, and the gear 105 is meshed with the gear 104 formed integrally with the pulley 103. Further, a gear 106 formed integrally with the gear 105 is meshed with a rack 107 formed on the slide cam 95.

Accordingly, by rotating the motor M3, the slide cam 95 can be slid in the direction indicated by the arrow e or in the opposite direction.

Accordingly, by sliding the slide cam in the direction shown by arrow e, the engagement shaft 93 of the base 91 is moved.
A moves in the direction indicated by arrow f along the guide hole 95A. Therefore, the base 91 to which the engaging shaft 93A is fixed is attached.
The displacement end 91B (FIG. 9) also moves in the direction indicated by the arrow f in response. Thus, when the slide cam 95 slides to the end A of the slide area, the engagement shaft 93A reaches the horizontal area H of the guide hole 95A.
Is moved to the uppermost position, whereby the base 91 is in a substantially horizontal state. At this time, the slide cam 95
Is detected when a position detecting element constituted by a microswitch 67 (FIG. 8) is pressed by a projection provided on a part of the slide cam 95, thereby stopping the motor M3. ing.

Here, the guide hole 95B of the slide cam 95
Is engaged with an engagement shaft 93B fixed to the distal end of the rotating arm 96 (FIG. 9), and moves up and down in the direction indicated by an arrow f or in the opposite direction according to the sliding operation of the slide cam 95. I have. Accordingly, the turning arm 96 shown in FIG. 9 turns around the turning center 96A in accordance with the vertical movement of the engaging shaft 93B. In addition, the engagement shaft 93B of the rotating arm 96
A guide hole 96B is formed at a tip end opposite to the tip provided with the guide hole 96B. An engagement protrusion 97B provided at the tip end of the rotating arm 97 is formed in the guide hole 96B. Are slidably engaged along.

Accordingly, the rotating arm 97 can rotate around the center of rotation 97A in accordance with the rotating operation of the rotating arm 96, and according to the rotating operation of the rotating arm 97. Thus, the pin 98 engaged with the tip of the rotating arm 97 is moved up and down.

Therefore, in FIG.
6 and the positioning hole 42H of the tray 42 which has been moved to the reproduction position on the optical pickup 90,
By inserting the pins 98 in response to the movement of the base 91 in the direction indicated by the arrow f, the tray 42 can be positioned and the tray 42 can be inadvertently set in the direction indicated by the arrow b or in the opposite direction. Can be kept still.

Thus, in this state, the turntable 110 provided on the base 91 presses the disc DISK mounted on the tray 42 between the turntable 110 and the disc holder 112 (FIG. 9).
By rotating the disk 10, the disk DISK can be driven to rotate. At this time, by irradiating the recording surface of the disk DISK mounted on the tray 42 with a light beam from the optical pickup 90 of the base 91, information can be read from the rotating disk DISK.

When the reproduction operation is further completed, the slide cam 95 is slid in the direction opposite to the direction shown by the arrow e (FIG. 10) to move the displacement end 91B of the base 91 to the arrow f.
Move in the opposite direction (ie, downward). Thus, by sliding the slide cam 95 to the end of the slide area, the shift end 91B of the base 91 shifts to the lowermost position. Accordingly, in this state, the turntable 110 of the base 91 is simultaneously moved to the lowermost position, thereby opening the disk DISK mounted on the tray 42, and the pins 98 (FIG. 9) of the sub-tray 42 The tray 42 is removed from the positioning hole 42H, and in this state, the tray 42 is moved to the position of the stocker 31.

As shown in FIG. 11, a control circuit 120 is provided in the disc reproducing apparatus 30. The control circuit 120 drives the stocker 31 up and down based on a control signal S10 from the control circuit 120. Circuit 121
Drive control.

The position of the stocker 31 when the stocker 31 is moved up and down is input to the control circuit 120 by the position detection signal S11 from the rotary encoder 65.
Thus, the control circuit 120 can detect the position of the stocker 31.

The control circuit 120 controls the control signal S12
Is sent to the drive circuit 122, so that each tray 4
2, 43, 44, 45 or 46 are driven along the sliding bearing 63.

When each tray 42, 43, 44, 45 or 46 is driven along the sliding bearing 63, the tray 4
The sliding position of 2, 43, 44, 45 or 46 is determined by three position detecting elements 66A, 6A provided along the sliding bearing 63.
Position detection signals S13, S14, S from 6B and 66C
When 15 is input to the control circuit 120, the control circuit 120 can detect this.

The control circuit 120 controls the control signal S16.
Is transmitted to the drive circuit 123 to move up and down the displacement end 91B of the base 91 on which the optical pickup 90 is mounted.

When the moving end 91B of the base 91 on which the optical pickup 90 is mounted is moved up and down, the moving end 91B is moved.
The position of B is detected by inputting a position detection signal S17 output from a position detection element 67 configured to detect the position of the slide cam 95 to the control circuit 120, and the control circuit 120 determines the position based on the detection result. The drive circuit 123 is driven and controlled.

(2) Operation of the Embodiment In the disc reproducing apparatus 30, the trays 42, 4
3, 44, 45 and 46 can be moved at a height P corresponding to the disk insertion slot 41. This position is a position where the sliding bearing 64 is held.

First, when a disk is not stored in the disk reproducing device 30, an operation of placing a disk DISK on any of the trays 42 to 46 and storing the disk in the disk reproducing device 30 is executed.

That is, for example, when a disk is placed on the tray 44 and stored in the disk reproducing device 30 (FIG. 12A), the control circuit 120 (FIG. 11) controls the drive circuit 121 according to a required operation. Drives the motor M1 through
By rotating the cam 61 (FIGS. 4 and 5), the stocker 31 is moved in the direction of arrow a. Then, based on the position detection signal S11 from the rotary encoder 65 (FIG. 11), it is detected that the tray 44 has reached the transportable position P, and at this time, the control circuit 120 stops the movement of the stocker 31. At this time, the engaging portion 44 fixed to the tray 44
B engages with an engagement protrusion 64A provided on the sliding bearing 64 (FIG. 12B).

In this state, the control circuit 120 drives the motor M2 via the drive circuit 122,
(FIG. 6) is moved in the direction opposite to the direction shown by the arrow b. Then, when the position detecting element 66A detects that the sliding bearing 64 has arrived, the control circuit 120 stops the movement of the sliding bearing 64. In this state, the tray 44 is swept out from the disk insertion port 41 to the outside of the disk reproducing device 30 (this position is called a disk loading / unloading position) (FIG. 12C), and the tray 44 is A disk DISK.

Further, when the operator places the disk DISK on the tray 44 and performs a required operation, the control circuit 120 controls the motor M via the drive circuit 122 accordingly.
2 to move the sliding bearing 64 in the direction shown by the arrow b. Then, when the position detecting element 66B detects that the sliding bearing 64 has arrived, the control circuit 120 stops the movement of the sliding bearing 120. In this state, the tray 44 on which the disk DISK is placed is stored in the stocker 31 (FIG. 12D). By the same operation as described above, the disc DIS is placed on any of the trays 42 to 46.
K can be placed and stored.

Next, the operation of reproducing the disk DISK placed on any of the trays 42 to 46 will be described. That is, as shown in FIG. 13, for example, when reproducing the disk DISK placed on the tray 44 (FIG. 13A), the control circuit 120 sends the motor M1 via the drive circuit 121 in accordance with a required operation. And the cam 61 is rotated to move the stocker 31 in the direction of arrow a (FIG. 5). Then, based on the position detection signal S11 from the rotary encoder 65, it is detected that the tray 44 has reached the transportable position P. At this time, the control circuit 120 detects
Stop the movement of 1.

At this time, the engaging portion 44B provided on the tray 44 is engaged with the engaging projection 64A of the sliding bearing 64 (FIG. 13B). After the stocker 31 stops at a predetermined position, the control circuit 120 drives the motor M2 via the drive circuit 122 to move the sliding bearing 64 (FIG. 6) in the direction shown by the arrow b. When the position detecting element 66C (FIG. 6) detects that the sliding bearing 64 has arrived, the movement of the sliding bearing 64 is stopped (FIG. 13C).

After the sliding bearing 64 stops at a predetermined position,
The control circuit 120 drives the motor M3 via the drive circuit 123 and moves the slide cam 95 (FIG. 9) to move the base 91 on which the optical pickup is mounted in the direction indicated by the arrow f. When the position detecting element 67 detects that the base 91 has come to the reproducing position, the slide cam 9 is moved.
Stop 5 In this state, the disk DISK placed on the tray 44 can be reproduced (FIG. 13).
(D)). By the same operation as described above, the disk DISK placed on any of the disk trays 42 to 46 can be reproduced.

Next, any tray 4 at the current playback position
An operation of reproducing the disk DISK placed on the trays 2 to 46 and the disk DISK placed on another tray will be described. That is, as shown in FIG.
When the disc DISK placed on the tray 45 is being reproduced (FIG. 14A), the disc DI placed on another tray 45 is reproduced.
When playing back SK, the control circuit 12
Reference numeral 0 drives the drive source M3 through the drive circuit 123 to move the slide cam 95, thereby moving the base 91 on which the optical pickup 90 is mounted in the direction opposite to the direction indicated by the arrow f. Then, when it is detected by the position detecting element 67 that the base 91 has reached the position of the reproduction release,
The slide cam 95 is stopped (FIG. 14B).

After the slide cam 95 stops, the control circuit 120 drives the motor M2 via the drive circuit 122,
The sliding bearing 64 is moved in the direction shown by the arrow b. And
When the position detecting element 66B (FIG. 6) detects that the sliding bearing 64 has arrived, the movement of the sliding bearing 64 is stopped (FIG. 14C). After the sliding bearing 64 stops at the predetermined position, the control circuit 120 drives the motor M1 through the drive circuit 121 to rotate the cam 61 (FIG. 4), thereby moving the stocker 31 in the direction shown by the arrow a. Moving.

Then, according to the position detection signal S11 from the rotary encoder 65, the tray 45 can be moved to the transportable position P.
, The movement of the sliding bearing 64 is stopped. At this time, the engaging portion 42B provided on the tray 45 is engaged with the engaging protrusion 64A of the sliding bearing 64 (FIG. 14).
(D)). After the stocker 31 stops at a predetermined position, the control circuit 120 drives the motor M2 through the drive circuit 122 to move the sliding bearing 64 in the direction shown by the arrow b (FIG. 14E). When the position detection element 66C detects that the sliding bearing 64 has arrived, the control circuit 120
Drives the motor M3 via the drive circuit 123 and stops the movement of the slide cam 95 when it detects that the base 91 has reached the reproduction position by moving the slide cam 95 (FIG. 8). In this state, the disk DISK placed on the tray 45 can be reproduced (FIG. 14F).

With the same operation as described above, the disk DISK placed on another tray 42 can be reproduced while the disk DISK placed on any of the disk trays 42 to 46 is being reproduced. Next, the disk DISK placed on an arbitrary tray
During playback of a disc DI placed on another tray 42
The operation of extracting the SK will be described. That is, for example, as shown in FIG.
When the disk DISK placed on the tray 45 is taken out during the reproduction of the SK (FIG. 15A), the control circuit 120 sends the motor M through the drive circuit 123 in accordance with a required operation.
By driving the slide cam 95 (FIG. 5), the base 91 is moved in the direction opposite to the direction indicated by the arrow f. Then, when the control circuit 120 detects that the base 91 has reached the reproduction release position based on the position detection signal S17 from the position detection element 67, it stops the movement of the slide cam 95 (FIG. 15B). .

After the slide cam 95 stops, the control circuit 120 drives the motor M2 via the drive circuit 122,
The sliding bearing 64 is moved in a direction opposite to the direction indicated by the arrow b.
Then, when the arrival of the sliding bearing 64 is detected by the position detecting element 66B, the movement of the sliding bearing 64 is stopped (FIG. 15C). After the sliding bearing 64 stops at a predetermined position, the control circuit 120 drives the motor M1 via the drive circuit 121 to rotate the cam 61 (FIG. 4), thereby moving the stocker 31 in the direction indicated by the arrow a. Go to Then, when the tray 45 reaches the transportable position P according to the position detection signal S11 from the rotary encoder 65, the movement of the stocker 31 is stopped. At this time, the engaging portion 45B provided on the tray 45 and the sliding bearing 6
The four engagement projections 64A are engaged (FIG. 15D).

After the stocker 31 stops at a predetermined position,
The control circuit 120 drives the motor M2 via the drive circuit 122 to move the sliding bearing 64 in a direction opposite to the direction shown by the arrow b. When the position detecting element 66A (FIG. 6) detects that the sliding bearing 64 has arrived, the movement of the sliding bearing 64 is stopped. In this state, the disk DISK placed on the tray 45 can be taken out (FIG. 15E).

In the same manner as above, any of the trays 42 to 42
During the reproduction of the disk DISK placed on 46, the disk DISK placed on another tray can be taken out.

As described above, in the disc reproducing apparatus 30, the trays 42, 43, 4
The disc DISK can be stored in the stocker 31 by a simple operation method of merely inserting the disc DISK via the storage box 4, 45, or 46, and a desired disc is selected from the discs DISK stored in the stocker 31. D
ISK can be played.

Also, when taking out the disk DISK, a plurality of disks DI stored in the stocker 31 are taken out.
A desired disk DISK can be swept out of the SK through the disk insertion port 41. In addition, Stock 3
A desired disk DISK can be moved to a reproduction position from among a plurality of disks DISK stored in the disk drive 1.

In the disc reproducing apparatus 30, a loading / unloading section for the disk DISK and a reproducing section are provided before and after the stocker 31, and the trays 42 to 46 stored in the stocker 31 are moved in the front-rear direction of the stocker 31. By making it possible to slide, the moving distance of the trays 42 to 46 from the stocker 31 can be made shorter than in the conventional case in which a reproducing unit is provided between the loading / unloading unit and the stocker 31. it can.

Therefore, the trays 42 to 46 can be directly connected to the disc reproducing device 3 without using the main tray as in the prior art.
The disc reproducing apparatus 30 can be moved to the loading / unloading position of the external disc 0, the configuration of the disc reproducing apparatus 30 can be simplified accordingly, and the disc reproducing apparatus 30 can be downsized as a whole.

(3) Effects of the Embodiment According to the above configuration, the disk DISK can be stored in the disk reproducing device 30 by a simpler operation method, and the disk DISK stored in the stocker 31 can be stored. And a desired disc can be selected and reproduced.

Further, the trays 42 to 46 are inserted into the disk
1 to the outside of the disc reproducing apparatus 30 (loading and unloading position), so that the configuration of the disc reproducing apparatus 30 can be simplified and the disc reproducing apparatus 30 can be downsized as a whole.

(4) Other Embodiments In the above embodiment, the case where the stocker 31 having the five trays 42 to 46 is used as the tray for storing the disk DISK has been described. However, the present invention is not limited to this, and any disk reproducing device that stores a plurality of disks DISK by a plurality of trays and selectively reproduces the disks may be used.

Further, in the above-described embodiment, a case has been described in which a disk reproduced by the disk reproducing apparatus 30 is used that optically reads recorded information. However, the present invention is not limited to this. However, the present invention is suitably applied to a reproducing apparatus for reproducing various other recording media.

[0000]

As described above, according to the present invention, in the disc reproducing apparatus, one of the plurality of discs stored in the stocker is moved to the first height within the stocker. In addition to the transfer between the position and the reproducing means, and the transfer between the predetermined second height position in the stocker and the disk insertion portion, during the reproduction of the selected disk or At the time of insertion / removal, the stocker can be provided to the transfer path to the reproducing means or the disc insertion portion only by performing a simple up-and-down movement without moving the stocker to the reproducing means side or the disc insertion portion side, and thus further operability And a disk reproducing apparatus having a simple configuration and a small size can be realized.

[Brief description of the drawings]

FIG. 1 is a plan view showing an embodiment of a reproducing apparatus according to the present invention.

FIG. 2 is a side view showing a stored state of a tray.

FIG. 3 is a perspective view showing a configuration of a stocker.

FIG. 4 is a schematic plan view showing a drive unit of the stocker.

FIG. 5 is a cross-sectional view showing driving means of the stocker by a cam.

FIG. 6 is a schematic plan view showing a state in which a tray is conveyed.

FIG. 7 is a schematic side view showing a driving unit when conveying a tray.

FIG. 8 is a schematic plan view showing a configuration of a reproducing unit.

FIG. 9 is a schematic side view showing a driving state of a reproducing unit by a slide cam.

FIG. 10 is a schematic side view showing a configuration of a slide cam.

FIG. 11 is a block diagram showing a control system according to the embodiment.

FIG. 12 is a schematic diagram showing a disk storing operation.

FIG. 13 is a schematic diagram showing a disk reproducing operation.

FIG. 14 is a schematic diagram illustrating a disk reproducing operation.

FIG. 15 is a schematic diagram used for explaining a disk unloading operation.

FIG. 16 is a schematic diagram showing a conventional disk reproducing apparatus.

[Explanation of symbols]

1, 30... Disk reproducing device, 31...
0: chassis, 42, 43, 44, 45, 46 ... tray: 42A, 43A, 44A, 45A, 46A, 64
... Sliding bearings, 42B, 43B, 44B, 45B, 46
B: engagement portion, 47A, 47B, 47C, 47D, 47
E, 63 ... sliding shaft, 61 ... cam, 65 ... rotary encoder, 66A, 66B, 66C, 67 ... position detecting element, 90 ... optical pickup, 91 ... base.

Claims (2)

[Claims] A stocker capable of storing a plurality of discs; a reproducing means for reproducing one of the plurality of discs; and a selected one of the plurality of discs stored in the stocker. It is transported between a first height position and the reproducing means, and is provided at a predetermined second height position in the stocker and on a side of the stocker facing the reproducing means. Transfer means for transferring between the disk insertion portion, elevating means for moving the stocker up and down, and the selected disk in the stocker at the first or second height position according to a user's instruction. Control means for controlling the elevating means so as to move. 2. The apparatus according to claim 1, wherein the first height position and the second height position are the same, and the control means controls whether or not the selected disk is reproduced or inserted / removed in the stocker. 2. The disc reproducing apparatus according to claim 1, wherein the elevator is controlled so that the selected disc moves to the same height position.