JPH077562B2 - Disc player - Google Patents

Description

The present invention relates to a disc reproducing device, and more particularly to a disc reproducing device having a so-called changer function capable of selectively reproducing a plurality of discs.

<< Prior Art >> At present, there is a so-called changer-type disc player which selectively reproduces a plurality of discs by storing a plurality of optically readable discs in a stocker and mounting the stocker in a disc reproducing device. It is commercially available.
In this player, there are one in which a disc is placed on a sub-tray and the sub-tray is supported to store a plurality of discs in the stocker, and the other in which the peripheral edge of the disc is directly supported to store a plurality of discs in the stocker.

FIG. 13 is a diagram schematically showing the player disclosed in Japanese Utility Model Laid-Open No. 62-195257, which adopts the former method. It is removable from the player 1 and has six discs 5 ₁
There are provided a stocker 4 for storing ~ 5 ₆ and a main tray 2 movable between a first position located inside the player 1 and a second position protruding from the player 1, and these discs 5 are provided. _{0-5 6} optical head to reproduce optically by the disk reproducing means 3 consisting of a turntable or the like.

Here, the configuration disclosed in Japanese Utility Model Publication No. 62-195257 is:
When accommodating the disk in the stocker 4, once removed from the player 1 to the stocker 4, since a configuration for mounting the disk 5 ₁ to 5 _6, move between the disk 5 ₀ The main tray 2 and the disk reproducing means 3 The disks 5 _{1 to} 5 ₆ move between the stocker 4 and the disk reproducing means 3.

However, a method of mechanically using the main tray 2 to store the disk in the stocker 4 may be considered. In this case, the main tray 2 to which the sub tray is attached is projected from the player 1, the disc is placed on the sub tray, the main tray 2 is housed in the player 1, and the sub tray is moved with respect to the main tray 2. And store it in the stocker 4.

In this structure, the sub-tray has a disc storage member for storing discs in the stocker, and holds the discs from the main tray 2 stored in the player 1 to the stocker 4 and from the stocker 4 to the disc reproducing means 3. It has two functions of a transport member for moving the disc inside the player in order to bring it in.

<< Problems to be Solved by the Invention >> Here, when reproducing a disc that is not stored in the stocker 4, the main tray 2 must always project from the player 1 with the sub tray stored. However, in a state where n sub-trays each having a disc placed on the stocker 4 capable of accommodating n sub-trays are accommodated, the operator tries to reproduce the disc on the projected main tray 2 when reproducing the disc. Must be replaced with a new disk. Also, the operator is stocker 4
At the end of reproduction of a disc that is not stored in the main tray 2, the main tray 2 is ejected to take out this disc, and the disc that was previously stored is again stored, which makes the operability difficult.

Further, when a disc not loaded in the stocker 4 is to be played back in a state where sub trays on which discs are loaded on the stocker 4 and sub trays on which discs are not loaded are mixed, the discs are loaded from the stocker 4 Since it is necessary to move the sub-tray that has not been moved to the main tray 2, a required detection means for detecting that the disc is placed on the sub-toilet is required.

<< Means for Solving Problems >> A sub-tray provided with a mounting portion on which a disc is mounted, a first position to be stored in the disc reproducing device, and a second position to be projected outside the device. Therefore, the main tray, which is movable with respect to the device, detachably supports the sub-tray, the disc reproducing means, and n sub-trays can be stored, and the disc is placed on the placing portion. A stocker for storing at most n-1 sub-tray in a state, a sub-tray moving means capable of moving the sub-tray between the main tray and the stocker in the first position, and a sub-tray when the main tray is in the first position. And a disk mounting means for relatively moving the disk reproducing means and mounting the disk placed on the sub-tray to the disk reproducing means.

<Operation> When playing a disc that is not stored in the stocker,
The main tray containing the sub-tray is projected to the outside of the player, the disc is placed on the disc placing portion of the sub-tray, the main tray is accommodated in the player together with the sub-tray, and then the disc is reproduced by the disc reproducing mechanism.
When reproducing a desired disc among the discs respectively placed on the plurality of sub-trays stored in the stocker, the sub-tray is moved from the stocker to the main tray stored in the player and reproduced by the disc reproducing mechanism. Further, when the disc is placed on the sub-tray in the stocker and stored, the main tray containing the sub-tray is projected to the outside of the player, the disc is placed on the disc placing portion of the sub-tray, and the main tray is placed inside the player. Move the rear sub-tray and store it in the stocker.

<< Embodiment >> FIGS. 1 to 3 are a top view, a side view and a sectional view taken along the line EE in FIG. 1 showing a state where the main tray 30 is housed inside the player 1 in the disc reproducing apparatus according to the present invention. The figure is shown.

A drive gear 12 rotatably driven by a drive source 121 controlled by a control circuit 120 is rotatably supported by a chassis 11 by a shaft 11. Also, the chassis 10 is pivotally supported on the peripheral surface of the drive gear 12.
The coupling gears 14, 14, 14 that are 13, 13, 13 are meshed with each other. Each connecting gear 14, 14, 14 is a worm gear 15, 1 extending upward, respectively.
Legs 21, 21, 21 provided on the side surface of the stocker 20 capable of accommodating five disks are screwed into the worm gears 15, 15, 15 integrally with the gears 5, 15, 15. Therefore, the worm gear 15,15,
With the rotation of 15, the stocker 20 is moved to the arrow C- in FIG.
It can be moved in the D direction.

In the state shown in the figure, the six sub-trays on which the disc can be placed are the first sub-tray 23 in the main tray 30.
_{1 and the second} to _sixth sub-trays 23 ₂ to 23 _{6 on} which discs 5 _{2 to} 5 ₆ (not shown) are placed respectively by a plurality of guides 24 formed on the inner side wall of the stocker 20. It is stored in the stocker 20 at intervals. Here, the stocker 20 is the front opening 27 and the rear opening 28 is formed in the front and rear surfaces, a part of the front and rear ends of the sub tray 23 _{2-23 6} housed therein is exposed.

As shown in FIGS. 4 and 5 housed inside the player 1, two positions are provided: a position protruding outside the player 1 through an opening formed in the front panel 33 of the player 1. The main tray 30 to be obtained has guide grooves 34, 34 formed on both side surfaces thereof. The tray guides 31, 31, 31, 31 fixed to the chassis 10 and having a V-shaped tip engage with the guide grooves 34, 34 so that the main tray 30 can slide in the direction A-B in the figure. Supported by. Drive gear
36 is rotationally driven by a drive source 122 controlled by the control circuit 120, and is meshed with a rack gear 35 provided on one side surface of the main tray 30 to move the main tray 30 in the AB direction in the figure. To drive. Main tray 30
Disk up-and-down mechanisms 40, 40 are symmetrically provided on both sides of the disk so as to mount the disk on a turntable described later. Further, the main tray 30 has a substantially circular notch 37 for receiving a disc.

9 (a), (b), and (c) are disk up-and-down mechanisms 40,4.
FIGS. 10A and 10B are a top view, a side view, and a front view of a main part for explaining 0, and one disk up-and-down mechanism 40 will be described. As shown in FIG. 3, the main tray 30 has a substantially U-shaped cross section, and pins 42, 42 are planted upward on a lower wall 41. The pins 42, 42 are inserted into the long holes 44, 44 formed in the slide plate 43 urged by the spring 54 in the direction of arrow A in the figure to guide the slide plate 43 in the direction of arrow AB. To do. Bent portions 47 and 48 having cams 45 and 46 of the same shape are formed at both ends of the slide plate 43, and guide pins 50 and 51 fixed to a guide rail 49 are inserted into the cams 45 and 46. The guide rail 49 has a substantially U-shaped cross section, and holds the first sub-tray 23 ₁ in the illustrated state. Further, the arm portion 52 is formed on the bent portion 47, and the drive pin 5 driven by the drive source 123 controlled by the control circuit 120.
3 can press the slide plate 43 against the spring 54 via the arm portion 52.

Here, as shown in FIG. ₁ , a circular first concave portion 24 having a diameter substantially the same as the outer diameter of a standard-sized disc is formed on the sub-tray 23 _{1 so} that the disc can be placed. in mounted state, so that the upper surface and the sub-tray 23 ₁ of the upper surface of the disk is flush, the depth of the recess 24 is set. In addition, information is recorded in the recess 24 in the same manner as a standard size disc, and in order to mount a small size disc having a small recording capacity, it is made concentric with the first recess 24. A circular second recess 25 having a small diameter is formed. Where the recesses 24, 25
A notch 26 for mounting the disc on a turntable to be described later and for reading information recorded on the disc with an optical head is formed from the central portion to the outer edge thereof. Furthermore, as described later in the sub-tray 23 _1, restricting pin insertable restricting hole for restricting the movement
102 is formed. Each configuration of the sub tray 23 _1,
Other sub-tray 23 stored in stocker 20 in the state shown
_{2-23 6} and is the same.

First driving roller 91, 91 in the illustrated state, it is pressed against the rear side edges of the sub-tray 23 _1. The second drive rollers 92, 92 are arranged at the same height as the first drive rollers 91, 91 and are arranged behind the first drive rollers 91, 91. These first and second drive rollers 91, 91, 92, 92 are rotationally driven synchronously by a drive source 124 controlled by the control circuit 120. Here, the first driving rollers 91, 91 are spaced apart from the rear side edges of the sub-tray accommodated in the main tray 30 when the sub-tray moves up and down in the main tray 30 and when the main tray 30 moves. The second drive rollers 92, 92 are simultaneously moved in the direction perpendicular to the rotation axis thereof so as to be positioned at the dotted line so as to be separated from the both side edges of the front portion of the sub-tray stored in the stocker 20 when the stocker 20 is moved up and down.

In FIGS. 1 to 3, the optical head base 60 is provided with a fixed pin 61 and a movable pin 62 on one side surface. The movable pin 62 is moved in the elongated hole 63 formed in the optical head base 60 by the drive source 125 controlled by the control circuit 120, and is indicated by an arrow C.
-L-shaped clamp arm that moves in D direction
It is inserted in a long hole 65 formed in 64. A spring 66 is provided between the movable pin 62 and the clamp arm 64, so that the clamp arm 64 is biased in the direction of arrow D in the figure so that the movable pin 62 is located at the upper end of the elongated hole 65. Also,
The fixed pin 61 is inserted into a long hole 67 formed in the clamp arm 64, and is for guiding the clamp arm 64 to move in the direction of arrow CD in the figure when the clamp arm 64 is moved by the movable pin 62. .

The tip of the shaft 68 fixed to the upper part of the clamp arm 64 has a large diameter portion 69, and a hemispherical protrusion 70 is formed at the lower end thereof. The cylindrical clamper 71 has a large-diameter portion 69 located in the inner space thereof and is rotatable with respect to the shaft 68 while the disk is clamped.

In cooperation with the clamper 71, a motor 82 for driving a turntable 81 for rotating the disc by engaging with a central hole formed in the disc and a laser for optically reading information recorded on the disc are provided. An optical head 84 having an objective lens 83 for emitting light and movable along the two guide rails 85, 85 fixed to the optical head base 60 in the diameter direction of the disk is arranged on the optical head base 60.

As shown in FIGS. 4 and 5, in the state where the main tray 30 projects from the opening formed in the front panel 33 of the player 1, the relative movement of the main tray 30 and the sub-tray 23 ₁ is restricted, and As shown in FIGS. 3 to 3, when the main tray 30 is stored in the player 1,
The sub-tray 23 ₁ so as to be movable relative to the main tray 30 to the sub-tray 23 ₁ to enable storage in the stocker 20, the sub-tray regulating means 100 are provided.

FIG. 10 is a diagram for explaining the sub-tray restricting means 100,
10 (a) and 10 (b) are front and side views of the main part when the main tray 30 is stored inside the player 1, and FIG. 10 (c) is when the main tray 30 projects from the player 1. partial front view and FIG. 10 of the (d) of the main tray 30 is housed inside the player 1, the turntable 81 the disc 5 ₁
FIG. 11 is a front view of the main part when the sub-tray 23 ₁ is lowered by the disc up-and-down mechanisms 40, 40 so as to be mounted on the disc.

Into the hole 107 formed in the one lower wall 41 of the main tray 30, a regulation pin 101 whose one end can be inserted into the regulation hole 102 formed in the sub-tray 23 ₁ is inserted movably in the vertical direction in the figure. ing. The other end of the regulation pin 101 is arranged on the upper surface of the optical head base 60 and has a L-shaped cross section.
A pin 1 for bridging a spring 108 for urging the guide pin 103 and the restriction pin 101 engaged with the main tray 30 with the main tray 30.
04 is formed. Further, a stopper 106 is fixed to the restriction pin 101 so as to be located below the hole 107.

The operation of the above configuration will be described in detail.

First, a case will be described in which an attempt is made to reproduce a disc that is not housed inside the player 1.

As shown in FIGS. 1 to 3, the main tray 30 for accommodating the sub tray 23 ₁ is located inside the player 1, and five discs are placed in the stocker 20 on the sub trays 23 ₂ to 23 _6. In response to a required operation, the control unit 120 causes the drive source 124 to drive the drive rollers 91, 91, 9
Cause has 2,92 dotted position of the sub-tray 23 ₁ pressure contact with no Fig. Further, the control unit 120 rotates the drive gear 36 by the drive source 122, so that the main tray 30 is guided by the tray guides 31, 31, 31, 31 and moved in the B direction in the figure.

As shown in FIG. 4 and FIG. 5, when the main tray 30 is projected from the opening formed in the front panel 33 of the player 1, as shown in FIG. With 30 moves, guide pin 1
The engagement between 03 and the cam 105 is released. Therefore, the regulation pin 1
01 is Kitasa have in the position shown in which the stopper 106 by the biasing force of the spring 108 abuts the lower wall 41 of the main tray 30, the restriction pin 101 is inserted into the restriction hole 102 formed in the sub-tray 23 _1. In this state, the sub-tray 23 ₁ moving in the horizontal direction relative to the main tray 30 is restricted by the restricting pin 101. Therefore, it is possible to prevent the sub-tray 23 ₁ from moving with respect to the main tray 30 due to an erroneous operation by the operator, so that the recess 24 formed in the sub-tray 23 ₁ via the notch 37 formed in the main tray 30. There is no fear of not being able to mount the disc on the 25.

In the state shown in FIGS. 4 and 5, the main tray 30
After the standard size disc 5 ₁ is placed in the first recess 24 formed in the sub-tray 23 ₁ so that the recording surface thereof faces the sub-tray 23 ₁ , the required operation button is operated. Then, the drive gear 122 is rotationally driven by the drive source 122, and the main tray 30 is guided by the guide grooves 34, 34 and the tray guide 3.
It is moved in the direction of arrow A in the figure while being guided by 1,31,31,31.

The main tray 30 is first view in a state of accommodating the disk 5 ₁ (a), when it is detected that Kitasa has a position (b), the driving source 123 is driven by a command from the control unit 120 Move the pins 53, 53 in the B direction in the figure. Therefore, the slide plates 43, 43 in the disc up-and-down mechanism 40 shown in FIG.
While being guided by the long holes 44, 44, 44, 44 and the pins 42, 42, 42, 42, they are moved in the direction B in the figure via the arms 52, 52 against the biasing force of the springs 54, 54. Therefore, the cams 45, 45, 46, 46 formed on the bent portions 47, 47, 48, 48 of the slide plates 43, 43, respectively.
Guide rails 49,49 via guide pins 50,50,51,51
Is moved in the direction of arrow D in the figure. Along with this movement, but the sub-tray 23 ₁ supported by the guide rails 49 and 49 are moved in the direction of arrow D in FIG. Similarly, the turntable 81 is disc 5 disposed in the optical head base 60 on the way the movement ₁
When the sub-tray 23 ₁ is further mounted, the disc 5 ₁ and the sub-tray 23 ₁ are separated from each other and brought to the state shown in FIGS. 6 to 8.

The movable pin 62 provided on the optical head base 60 is moved in the direction of arrow D in the figure by the drive source 125 at the same timing as the above-mentioned movement of the drive pins 53, 53, and the clamp arm 64 is fixed via the spring 66 to the fixed pin 61. Similarly, it is moved in the direction of arrow D in the figure while being guided. The clamper 71 by the movement of the clamp arm 64 comes into contact with the upper surface of the disk 5 ₁ mounted on the turntable 81. The movable pin 62 further moves from this position and is brought to a position shown in FIGS. 6 to 8 which is separated from the upper end of the elongated hole 65, whereby the clamper 71 is caused to move by the disc 66 by the spring 66 via the clamp arm 64. 5 ₁ is elastically pressed.

In this state, the disk 5 ₁ clamped on the turn table 81 is rotated at a predetermined speed by a motor 82, a laser beam emitted from the objective lens 83 of the optical head 84 disposed in the optical head base 60 on information recorded on the disk 5 ₁ is reproduced optically by.

Here, sub-tray 23 ₁ turns disc 5 ₁ into turntable 8
In order to mount one, by from the position shown in FIG. 1-FIG. 3 to the position shown in Figure 6-Figure 8 sub-tray 23 ₁ is moved in the direction of arrow D, as shown in FIG. 10 (d) , the restriction pin 101 is inserted into the restriction hole 102 formed in the sub-tray 23 _1. Therefore, when the sub-tray 23 ₁ is lowered, the sub-tray restricting means 100 prohibits the movement of the sub-tray 23 ₁ along the guide rails 49, 49 and prevents adverse effects on other members.

When the playback disc 5 ₁ is completed, emission of rotation and the laser beam of the turntable 81 is stopped. When the required operation button is operated in this state, the operation reverse to the above operation is performed, and the drive pins 53, 53 move in the direction A of the figure,
The sub-tray 23 ₁ supported by the guide rail 49 has springs 54, 54.
It moves in the direction of C in the figure by the urging force of the
The movable pin 62 moves in the direction C in the drawing by 125, and the clamper 71 supported by the clamp arm 84 moves in the direction C in the drawing to bring it to the state shown in FIGS. When this state is detected, the drive gear that meshes with the rack gear 35.
36 is rotated by the drive source 122, and the main tray 30 is driven in the direction B in the figure and brought to a state of protruding from the player 1 shown in FIGS. 4 and 5.

Then out of the disk 5 _{2-5 6} (not shown) housed in the stocker 20 disposed inside the player 1, the disk 5 ₆ which is placed on the sub-tray 23 ₆ housed in the bottom (FIG. A case of trying to reproduce (not shown) will be described.

When a required operation button is operated from the state shown in FIGS. 1 to 3, the first and second drive rollers 91, 91, 92, 92 are driven by the drive source 1.
Simultaneously rotated by 24, the sub-tray restricting means 10
The sub-tray 23 ₁ whose movement is not restricted by 0 is moved in the A direction in the figure. The sub-tray 23 ₁ is guided by the guide 24 formed inside the stocker 20 and
When it is detected that it is stored in the uppermost stage of the stocker 20 through the front opening 27 of the first and second drive rollers 91, 9
When the rotation of 1,92,92 is stopped and brought to the position shown by the dotted line in Fig. 1, the drive rollers
92, 92 is separated from the sub-tray 23 _1. Then drive source 121
The drive gear 12 is rotationally driven by the worm gears 15, 15, 15 via the connecting gears 14, 14, 14,
The stocker 20 integrated with the leg portions 21, 21, 21 screwed to the worm gears 15, 15, 15 is moved in the C direction in the figure.

As shown in FIG. 11, the stocker 20 is moved in the direction of arrow C, with the sub-tray 23 ₆ in the driving gear 12 is positioned to become parallel to the second driving roller 92 the rotation is stopped, the first And the second drive rollers 91, 91, 92, 92 are drive sources 1
By being Kitasa has the position indicated by the solid line in FIG. 1 by 24, the second driving roller 92 is pressed against the front side edges of the sub-tray 23 _6.

In this state, the driving roller 91,91,92,92 is rotated by a driving source 124, the sub-tray 23 ₆ is moved in the B direction in the figure, Figure 1 - is guided by the guide rails 49, 49 It is brought to the position shown in FIG. When this state is detected, as described above, the disc up / down mechanism
40, 40 lowers the guide rail 49, and mounts the disk 5 ₆ placed on the sub-tray 23 ₆ on the turntable 81.

When the reproduction of the disc 5 ₆ is completed, the disc 5 ₆ is placed on the sub-tray 23 ₆ in the same manner as described above and is stored in the lowermost stage of the stocker 20 as shown in FIG.

Next, the operation of storing a disk in the stocker 20 when no disk is stored in the stocker 20 will be described with reference to FIG. 12 which schematically shows the arrangement of each mechanism and the time-series operation. The detailed description of the operation is omitted because it overlaps with the operation described above. Further, the sub-tray on which the disc is placed is indicated by the diagonal lines.

Main tray 3 with sub-tray 23 ₁ located in player 1
0 housed, also showing a state where the sub tray 23 _{2-23 6} is housed in the stocker 20 in Figure 12 (a). This state is the same as in FIGS. 1 to 3, and a disk reproducing mechanism including an optical head, a turntable and the like is indicated by 3.

Here, in order to house the disk in the stocker 20, the required operation button is operated, houses the sub-tray 23 ₁ at the top of the stocker 20 (Figure 12 (b)), the stocker 20 by a required distance Move it to the upper part of the figure (Fig. 12 (c)), and
After moving the sub-tray 23 ₂ housed in the second stage 20 in the main tray 30 (Figure 12 (d)), the main tray
The 30 is projected to the outside of the player 1. In this state, a disc is placed on the sub-tray 23 ₂ (FIG. 12 (e)), the main tray 30 is moved inside the player 1, and then the sub-tray 23 ₂ is stored in the second stage of the stocker 20 ( Figure 12 (f)). Then the stocker 20 by a required distance to move upward in the drawing, causing have sub-tray 23 ₃ stored in the third stage of the stocker 20 to the movable position in the main tray 30 (Figure 12 (g) ). Be continuously performed the above operations, the five sheets accommodated disk to Sabuitorei 23 _{2-23 6.}

In the above embodiment, the player 1 controls the drive sources 121 to 125 by the control circuit 120 shown in FIG. 1 so that the player 1 is always in the state shown in FIG. There is. Therefore, when playing a disc that is not stored in the player 1, the main tray 30 is simply inserted into the player 1.
The responsiveness and operability are completely the same for a player who does not have a changer function. However, when reproducing the disc accommodated in the stocker 20 is temporarily housed subtray 23 ₁ at the top of the stocker 20, after vertical movement of the stocker 20, the main tray 30 to the sub-tray to the desired disk is placed Need to move in.

Therefore, when importance is attached to the responsiveness and operability when reproducing the disc stored in the stocker 20, the control unit 120 keeps the player 1 always in the state shown in FIG. 12B in the initial state.
Controls each drive source 121-125. In this case, the stocker 20
When the disc stored in the disk is reproduced, the vertical movement of the stocker 20 is the first operation, so that the response speed can be improved as compared with the above-described embodiment.

Further, in the above-mentioned embodiment, the stocker 20 is arranged on the extension line of the moving direction of the main tray 30, but not limited to this, when the main tray 30 is positioned inside the player 1, the main tray 30 is It is also possible to arrange them in a direction perpendicular to the moving direction of 30.

Further, in the above-described embodiment, the disc up-and-down mechanism provided on the main tray moves the disc vertically to the recording surface and mounts it on the turntable, so that the disc reproducing mechanism moves up and down with respect to the chassis. However, the present invention is not limited to this,
Of course, various modes can be adopted.

<< Effects of the Invention >> As described above, according to the present invention, when reproducing a disc that is not stored in the stocker, the sub-tray on which the disc is not placed protrudes from the player together with the main tray. Therefore, it is possible to reproduce a disc with the same operability as a player without a changer function without the need to replace the disc stored in the stocker, and to store a plurality of discs in the player. Is something that can be done.

[Brief description of drawings]

1 to 3 are a top view showing a state where the main tray is housed inside the player, a side view and a sectional view taken along line EE in FIG. 1, FIG. 4 and FIG. Top and side views showing the state where the main tray is projected from the player, and FIGS. 6 to 8 are top views, side views and F in FIG. 6 showing the position where the disc is in the reproducing state.
-F sectional view, FIGS. 9 (a) to 9 (c) are views for explaining the disc up-and-down mechanism, FIGS. 10 (a) to 10 (d) are views for explaining sub-tray restricting means, and FIG. 11 is the stocker upward. Side view of the device of the present invention in the state of being moved to FIG.
(G) is a simplified block diagram showing the arrangement and time-series operation of each mechanism in the device of the present invention, and FIG. 13 is a simplified block diagram of the conventional device. 1 ... Player, 2 ... Tray, 3 ... Disc playback mechanism,
4, 20 ... Stocker, 5 _{0-5 6} ... Disc, 10 ... Chassis, 12
… Drive gear, 23 ₁ to 23 ₆ … Sub tray, 24, 25… Recess, 27
... front opening, 28 ... rear opening, 30 ... main tray, 35 ... rack gear, 36 ... drive gear, 40 ... disk up / down mechanism, 43 ...
Slide plate, 45, 46 ... Cam, 49 ... Guide rail, 53 ... Drive pin, 91, 92 ... Drive roller, 60 ... Optical head base, 62 ... Movable pin, 64 ... Clamp arm, 71 ... Clamper, 81 ... Turntable , 82 ... Motor, 84 ... Optical head, 100 ... Sub tray restricting means, 101 ... Restricting pin, 105 ...
Cam, 120 ... Control circuit, 121-125 ... Drive source.

Claims (1)

[Claims] 1. A sub-tray provided with a mounting portion on which a disc is mounted, and a first position to be housed in a disc reproducing device and a second position to be projected outside the device. A state in which a main tray that is movable with respect to the device, detachably supports the sub-tray, a disc reproducing unit, n sub-trays can be stored, and a disc is placed on the placing section. A stocker for storing at most n-1 of the sub-tray, a sub-tray moving means capable of moving the sub-tray between the main tray and the stocker in the first position, and the main tray having the first position. When the disc tray is in the position, the disc tray and the disc reproducing means are moved relative to each other, and the disc mounted on the sub tray is mounted on the disc reproducing means. Disk reproducing apparatus, comprising the mounting means.