JPH11203761A - Changer type disk reproducing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reproduce a small diameter disk inserted into a slot and to transfer to the reproducing of a selected large diameter disk smoothly without requiring an operator to repeat a key operation several time when the operator reproduces the large diameter disk housed in a stocker while the small diameter disk is loaded in a reproducing means. SOLUTION: When the selection of a large diameter disk housed in a stocker 20 is made by operating a operation key while a small diameter disk D4s is loaded in a disk reproducing means, the small diameter disk D4s is transferred to an eject position protruded from a slot and, subsequently, when the taking-out of the small diameter disk D4s transferred to the eject position is detected, the selected large diameter disk in the stocker 20 is loaded in a disk reproducing means 20, and reproducing is started.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a changer-type disc reproducing apparatus capable of storing a plurality of discs such as a compact disc (CD) and a digital video disc (DVD), and more particularly to reproducing a small-diameter disc such as a single CD. The present invention relates to a changer-type disc reproducing apparatus which can be used.

[0002]

2. Description of the Related Art The applicant of the present invention has previously disclosed a changer-type disk reproducing apparatus capable of storing a plurality of large-diameter disks.
No. 188537 (Japanese Patent Application Laid-Open No. 9-17096). Such a device has a diameter 120 inserted into a slot.
The outer peripheral surface of a large-diameter disk is clamped by a disk transfer mechanism comprising a pair of guide members, and the outer peripheral surface of the disk is driven by a belt stretched in one of the guide members to transfer the disk to a reproducing position, thereby reproducing the disk. Do. In addition, such an apparatus is provided with a stocker for accommodating a plurality of discs at the rear of the apparatus so as to be vertically movable, and the disc in the stocker can be sandwiched by a pair of guide members and transferred to a reproducing position by a belt to reproduce the disc. .

[0003]

According to such an apparatus, the stocker does not damage the disk information surface.
It is formed in an arc shape that supports only the outer peripheral edge of a large-diameter disk, and has a diameter of 80 mm called an 8 cm CD or a single CD.
Cannot accommodate small diameter discs. For this reason,
Such a device has a drawback that even the disk transport mechanism does not support a small-diameter disk, and cannot reproduce a small-diameter disk at all.

Therefore, it is conceivable to change the disk transport mechanism to a small-diameter disk so that the small-diameter disk inserted in the slot can be reproduced. However,
In a state where the small-diameter disc is mounted on the reproducing means, it is conceivable that the operator may perform a key operation for reproducing the large-diameter disc stored in the stocker without noticing that the small-diameter disc cannot be stored in the stocker. If the key operation is neglected, there is a problem that the device is mistaken for a malfunction. To prevent this, a warning can be displayed in response to this key operation. However, the result is that the operator is required to perform an eject key operation, remove a small-diameter disk, and perform a disk selection key operation again. There is a problem that key operations are cumbersome. Particularly in the case of an in-vehicle disk reproducing apparatus, repeated key operations divert the driver's eyes to the disk reproducing apparatus for a long time, and may cause an accident.

[0005]

The apparatus of the present invention not only enables the reproduction of a small-diameter disc inserted into a slot, but also allows the small-diameter disc to be stored in a stocker while the small-diameter disc is mounted on the reproducing means. When an operation for reproducing any one of the large-diameter discs is performed, the small-diameter disc is ejected, and the large-diameter disc in the stocker selected smoothly without requiring the operator to perform many key operations. When the reproduction of one large-diameter disk stored in the stocker is selected by operating the operation key while the small-diameter disk is mounted on the disk reproducing means, the process shifts to the reproduction of the large-diameter disk. Controlling the first disc transfer means to transfer the small-diameter disc mounted on the disc reproducing means to the eject position protruding from the slot, and then to continue the disc detection sensor When it is detected based on the output that the small-diameter disk transferred to the eject position has been removed, the second disk transfer means is controlled and the one large-diameter disk in the stocker selected by the operation key is reproduced by the disk reproducing means. The main feature of the control means is that the control means is mounted on the device and starts reproduction.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a top view of a main part of the device of the present invention, and FIG. 2 is a side view of the main part. The disc reproducing apparatus 1000 has six large-diameter discs D1 behind the apparatus.
To D6 (see FIG. 17) can be stored coaxially
0 is provided. The stocker section 20 is constituted by arc-shaped disk holders 21 to 26 (only the upper surface of the uppermost disk holder 26 is shown in FIG. 1) having a thickness of 2 mm, and supports the outer peripheral edges of the large-diameter disks D1 to D6, respectively. These disc holders 21 to 26 are guided by helical guides (not shown) of irregular pitch formed on the outer peripheral surface of the four stocker screws 27, so that the distance between the reproduction disc and the discs in the stocker located above and below the reproduction disc is determined. It always moves up and down so as to be wider than the other stored disk intervals (see FIGS. 15 and 17). The details are described in Japanese Patent Application No.
Reference is made to the description of -105135.

On the other hand, the disk is moved to the front panel 11 by a disk transport mechanism 30 comprising guide portions 31 and 32.
Ejecting position (FIGS. 12 and 13) for inserting / removing the disk protruding from the slot 11A of FIG.
1 and a storage position (FIGS. 16 and 17) which is stored in a disk holder aligned with the disk transfer surface. Guide parts 31, 3
Numeral 2 is connected by a pinion gear (not shown) so as to move to the left and right of the apparatus, and is spring-biased at an interval (76 mm) smaller than the diameter (80 mm) of the small diameter disc so as to enable the transfer of the small diameter disc. You. A belt 33 for driving the left outer peripheral surface of the disk is provided in the guide portion 31.
Is stretched. Therefore, the disk inserted into the slot 11A is driven to rotate by the belt 33 while being held between the guide portions 31 and 32, and moves while rotating between the three positions described above.

A flap 70 disposed in the front panel 11 prevents the disk from being erroneously inserted into the slot 11A, and rotates about a shaft 71 between a closed position for closing the slot 11A and an open position for opening. Moving.

The disk transferred to the reproducing position is reproduced by a disk reproducing means 50 comprising a turntable 51 and an optical head 52. According to the apparatus of the present embodiment, the disc reproducing means 50 has an insertion position (solid line position in FIG. 1) inserted between the discs in the stocker and a shelter evacuated outside the discs in order to shorten the depth dimension of the apparatus (the horizontal direction in the drawing). The disc is moved back and forth between a position (a dotted line in FIG. 1) and a disc brought to the reproduction position at the insertion position so as to be mounted on the turntable.

A magnet clamper 60 is removably attached to a tip of a clamp arm 61 rotatably supported by the chassis 1. The clamp arm 61 is a clamp for mounting the clamper 60 on the upper surface of the disk at the playback position. It is rotated between a position (dotted line position in FIG. 1) and an unclamped position (solid line position in FIG. 1) retracted from between the disks in the stocker. The clamper arm 61 is provided with a clamper attaching / detaching mechanism (not shown), and is brought into an unclamping position during disc reproduction to be out of contact with the clamper 60.

FIG. 3 shows the control circuit 1 of the above-described apparatus of the present embodiment.
It is a block circuit diagram showing 00. Controller 101
Is constituted by one or a plurality of microprocessors including a ROM, a RAM, an interface circuit and the like,
The operation key 102 includes disc selection keys 1 to 6 for selecting disc reproduction at each stocker position and an eject key 7 for ejecting / loading the disc, and is arranged on the front panel 11. . Controller 101 is a signal from operation key 102, slot 11
A signal from the detection sensor 103 for detecting the size of the disk inserted into the slot A, a detection sensor 110 for detecting insertion and removal of the disk into the slot 11A, and a number of position sensors for detecting the position of each drive mechanism ( (Not shown), and a belt driving mechanism 10 for rotationally driving the belt 33 based on a flowchart described later.
4. A guide opening / closing mechanism 105 for opening / closing the guides 31 and 32, a reproducing means moving mechanism 106 for moving the disk reproducing means back and forth / up / down, a clamp arm moving mechanism 107 for rotating the clamp arm, and a flap 70 for opening / closing. The flap opening / closing mechanism 108 and the stocker moving mechanism 109 for moving the stocker 20 up and down are controlled. The servo control circuit for controlling the rotation of the turntable 50 and the position of the optical head 51, the signal processing circuit for processing the reproduction signal from the optical head 51, and the like are well-known items and are not shown. And the description is omitted.

Hereinafter, the above-described disk reproducing apparatus 1000 will be described.
The typical operation of is described in the flow charts shown in FIGS.
This will be described with reference to FIG. The controller 101
Stores the current stocker position, the presence / absence of a disk at each position, the disk size, and the operating state of the apparatus in its memory. In the flowchart, the value of n is the stocker position, and D (1) to D (6). Is the presence or absence of a disk at each stocker position (0: no disk, 1: disk is present), and the value of S is the disk size (0: large diameter disk,
1: Small-diameter disk), and the values of M indicate the device operation state (0: disk insertion prohibited state, 1: disk insertion possible state, 2: stop state, 3: reproduction state, 4: eject state).

First, the operation from the insertion of the large-diameter disk D4 into the slot in the disk insertion prohibited state shown in FIGS. 1 and 2 until the reproduction is started will be described. In addition,
According to the drawing, the stocker 20 is located at a position 4 where a disk can be stored in the fourth stocker plate 24 (not shown) from the bottom, and large-diameter disks D1 to D3, D5 and D6 are all stored at the remaining positions. Have been. Further, the flap 70 is closed, and the apparatus is in a disk insertion prohibition state. Therefore, the value of n described above is “4”, and D (1) 〜
Except for D (4), the value of D (6) is stored as "1", the value of S is stored as "0", and the value of M is stored as "0".

In order to insert a disc in the apparatus of this embodiment, the flap 70 must first be opened by operating a position selection key in which no disc is stored, so that the apparatus can be inserted. Accordingly, the operator presses the position selection key-4, and the controller 101 proceeds from a key scan flowchart (not shown) to a flow chart for the position selection key starting from FIG. 4, and proceeds to step S4. t is set to 4 and step S
The process proceeds to YES at S8 and YES at S8. At step S9, the flap opening / closing mechanism 109 is controlled to open the flap 70, and M is set to 1 at step S10. From the above,
The apparatus is in a state where a disk can be inserted into the slot 11A.

When the operator inserts the large-diameter disk D4 into the disk insertion slot 11A (FIGS. 12 and 13), the controller 101 proceeds to the flowchart for disk insertion shown in FIG. -, S is set to 0 and D (4) is set to 1 in steps S95 and S92. Then, in step S93, the controller 101 sets the above-described mechanisms 104 in the following operation order (1) to (6).
To 108, the large-diameter disk D4 is mounted on the turntable 51 (FIGS. 14 and 15), and reproduction is started.
Then, M is set to 3 (reproduction state) in step S94. (1) The large-diameter disk D4 is transferred to the reproduction position. (2)
Close flap 70. (3) Rotate the clamp arm 61 to the clamp position. (4) Raise the disk reproducing means 50. (5) Unlock the clamper 60 and return the clamper arm 61 to the unclamping position. (6) The guide portions 31 and 32 are expanded.

Subsequently, when the operator presses a position selection key containing the disc, for example, a position selection key-2,
Controller 101 sets t at 2 in step S2 of FIG.
, And steps S7-, S20 (FIG. 5)-
S30 (FIG. 6) No, S50 (FIG. 7) Yes, S51 No, S52 No, and the respective mechanisms 104 to 108 are controlled in step S60 in the following operation order (1) to (5). To store the disk D4 in the stocker (FIG. 16,
17). (1) The guides 31 and 32 are closed, and the large-diameter disk D4 is clamped. (2) Rotate the clamp arm 61 to the clamp position,
The clamper 60 is locked. (3) The disc reproducing means 50 is lowered. (4) Return the clamp arm 61 to the unclamping position. (5) The large-diameter disk D4 is stored in the stocker.

The controller 101 proceeds to step S
In step S58, the respective mechanisms 104 to 109 are controlled in the following operation order (1) to (10) to mount the selected disk D2 on the turntable 51 and to start the reproduction thereof in step S58. (FIGS. 18 and 19). And
In step S59, n is set to 2 and M is set to 3. (1) The disk reproducing means 50 is moved to the retreat position. (2) Expand the guide portions 31 and 32. (3) The stocker 20 is raised to the position 2. (4) The guides 31, 32 are closed, and the disk D2 is clamped. (5) Transfer the disk D2 to the playback position. (6) Return the disk reproducing means 50 to the insertion position. (7) Rotate the clamp arm 61 to the clamp position. (8) Raise the disk reproducing means 50. (9) Unlock the clamper 60 and return the clamper arm 61 to the unclamping position. (10) The guide portions 31 and 32 are expanded.

Next, the operation for ejecting the large-diameter disk D2 will be described. The operator presses the eject key.
When the user presses 7, the controller 101 proceeds to the flowchart for the eject key shown in FIG. 10, proceeds to steps S100 to S102, and proceeds to step S105.
Each mechanism 1 described above in the following operation order (1) to (6)
04 to 108 to control disk D2 in slot 11A
20 (FIGS. 20 and 21), and step S104
Sets M to 4. (1) The guides 31, 32 are closed, and the disk D2 is clamped. (2) The clamp arm 61 is rotated to the clamp position to lock the clamper 60. (3) Lower the disk reproducing means. (4) Return the clamp arm 61 to the unclamping position. (5) Open the flap 70. (6) Transfer the disk D2 to the eject position.

Then, when the operator takes out the ejected disk D2, the controller 101 sets D (2) to 0, S to 0 in step S110 shown in FIG.
Set M to 1.

On the other hand, if the operator presses the position selection key-4 without taking out the ejected large-diameter disk D2, the controller 101 returns to step S4 in FIG.
Is set to 4 by step S7, and steps S7-S20
(FIG. 5) NO, S30 (FIG. 6) NO, S50 (FIG. 7) NO, S70 (FIG. 8) YES, S71 NO, S74 NO, and the belt drive mechanism 104 is controlled in step S80. The large-diameter disk D2 at the eject position
0, and controls the flap opening / closing mechanism 108 to close the flap 70 (FIGS. 22 and 23). Subsequently, the controller 101 proceeds to step S77 with YES, and controls the mechanisms 104 to 109 in the same manner as step S57 described above at step S78 to control the large-diameter disk D4 stored in the stocker 20 on the turntable 51. To start playback (FIGS. 14 and 15).
Is set to 4 and M to 3.

Next, the operation from the insertion of the small-diameter disk D4s into the slot 11A in the disk insertion prohibited state shown in FIGS. When the operator presses the position selection key-4, the controller 10 is pressed.
In step S1, the flow chart shown in FIG.
4. The flap 70 is opened by proceeding to S7 YES, S8 YES, S9 and S10.

When the operator inserts the small-diameter disk D4s into the disk insertion slot 11A (FIGS. 24 and 25), the control
In step S90, the flow advances to step S90.
(4) is set to 1. And the controller 101
Controls the mechanisms 104 to 108 in step S93 to mount the small-diameter disk D4s on the turntable 51 (FIGS. 26 and 27), starts reproduction, and sets M to 3 in step S94.

When the operator forgets that the small-diameter disk is being reproduced and presses the disk exchange operation, for example, pressing the position selection key-2, the controller 101 sets t to 2 in step S2 in FIG. Step S7 No, S
No (20 in FIG. 5), No in S30 (FIG. 6), No in S50 (FIG. 7), No in S51, Yes in S52, and control each mechanism 104 to 108 in step S53 to turn the turntable 51. The small-diameter disk D4s mounted on the disk is ejected (FIGS. 24 and 25).
Is set to 4, the output of the disk insertion / removal detection sensor 110 is monitored in step S55, and the small-diameter disk D4s
Wait for removal.

When the operator notices the operation error and removes the ejected small-diameter disk D4s, the controller 101 proceeds to step S56, where D (4) is set to 0, S is set to 0,
M is set to 1, step S57 Yes, step S57
Go to 58, move the stocker 20 to position 2,
The selected large-diameter disk D2 is mounted on the turntable 51 to start reproduction (FIGS. 18 and 19). And
In step S59, n is set to 2 and M is set to 3.

On the other hand, as shown in FIGS. 24 and 25, when the operator presses the position selection key-2 while the small-diameter disk D4s is ejected, the controller 10
1 proceeds to the flowchart of FIG. 4, sets t to 4 in step S4, and proceeds to steps S7 and S20 (FIG. 5).
No., S30 (FIG. 6) No., S50 (FIG. 7) No., S7
0 (FIG. 8) YES, proceed with S71 NO, S74 YES,
In step S75, the removal of the small-diameter disk is waited.

When the operator sets the small-diameter disc D at the eject position
At 4s, the controller 101 takes out the small-diameter disk and proceeds to step S76 to set D (4) to 0, S to 0, and M to 1, and to move the stocker 20 to position 2 by step S77. The selected large-diameter disk D2 is moved to a turntable 51.
It is mounted on top to start playback (FIGS. 18 and 19). Then, in step S79, n is set to 2 and M is set to 3.

Although some typical operation examples of the apparatus of this embodiment have been described above, other operations can be easily understood by referring to the flowcharts shown in FIGS. . For example, if the same position selection key as the current one is operated in the state where the disc can be inserted, the controller 101 closes the flap 70 in step S22 (FIG. 5). Position selection key that does not store the disc in the ejected state when the large-diameter disc is ejected
Is operated, the controller 101 proceeds to step S80.
After the large-diameter disk at the eject position is stored in the stocker as shown in FIG. 8, the stocker 20 is moved to the selected position in step S81, and the flap 70 is opened. Further, if the position selection key for not storing the disc is operated in the eject state where the small-diameter disc is ejected, the controller 101 proceeds to step S7.
5 to wait for the removal of the small-diameter disk. When the small-diameter disk is removed, the stocker 20 is removed in step S81.
Is moved to the selected position, and the flap 70 is opened.

The present invention is not limited to the above embodiment. For example, according to the above-described embodiment, the outer peripheral surface of the disk is sandwiched by the guide portions 31 and 32, and the disk is transported by the belt 33. The lower surface may be transported while being held between a pair of rollers, and the configuration is not limited to this. Also,
Although the disc insertion position (loading start position) and the eject position are set to the same position, the eject position may be further protruded outside the apparatus in order to facilitate the removal of the disc.

Further, in order to shorten the depth of the apparatus, the disk reproducing means 50 is moved back and forth between the insertion position and the retracted position. If not, the disk reproducing means 50 may be moved up and down at the retreat position without moving back and forth. Further, the selection keys 1 to 6 are disc selection keys for selecting the disc reproduction at each position. However, the keys 1 to 6 are stocker position selection keys for selecting each position, and a separate reproduction key is prepared. May be.
Although one eject key 7 is used, an eject key for each position may be prepared for easy understanding.

[0030]

As described above, according to the apparatus of the present invention, a small-diameter disk inserted into a slot can be transferred to a reproducing position for reproduction, and the small-diameter disk can be mounted on a reproducing means. When a key operation for playing back a large-diameter disc stored in the stocker is performed, the small-diameter disc is automatically ejected, so that the operator can be prompted to take out the small-diameter disc, and the operator can be ejected. When the small-diameter disk is removed, the large-diameter disk in the selected stocker is attached to the disk reproducing means,
Since the process shifts to the reproduction, there is no need for the operator to repeatedly perform key operations.

[Brief description of the drawings]

FIG. 1 is a top view of an essential part of a changer-type disc reproducing apparatus according to an embodiment of the present invention in a state where a disc is prohibited from being inserted.

FIG. 2 is a side view of a main part of the apparatus of the embodiment shown in FIG.

FIG. 3 is a block circuit diagram showing a control circuit of the apparatus according to the embodiment.

FIG. 4 is a flowchart for a position selection key.

FIG. 5 is a flowchart for a position selection key.

FIG. 6 is a flowchart for a position selection key.

FIG. 7 is a flowchart for a position selection key.

FIG. 8 is a flowchart for a position selection key.

FIG. 9 is a flowchart for disc insertion.

FIG. 10 is a flowchart for an eject key.

FIG. 11 is a flowchart for taking out a disk.

FIG. 12 is a main part top view of the apparatus of this embodiment, showing a state where the large-diameter disk D4 is inserted.

FIG. 13 is a side view of a main part of FIG. 12;

FIG. 14 is a top view of a main part of the apparatus of the present embodiment, showing a reproduction state of the large-diameter disk D4.

FIG. 15 is a side view of a main part of FIG. 14;

FIG. 16 is a top view of a main part of the apparatus of this embodiment, showing a state in which a large-diameter disk D4 is stored.

FIG. 17 is a side view of a main part of FIG. 16;

FIG. 18 is a top view of a main part of the apparatus of the present embodiment, showing a reproduction state of the large-diameter disk D2.

FIG. 19 is a side view of a main part of FIG. 18;

FIG. 20 is a main part top view of the apparatus of the present embodiment, showing a state where the large-diameter disk D2 has been ejected.

FIG. 21 is a side view of a main part of FIG. 20;

FIG. 22 is a top view of a main part of the apparatus of this embodiment, showing a state where the large-diameter disk D2 is stored.

FIG. 23 is a side view of a main part of FIG. 22;

FIG. 24 is a top view of a main part of the apparatus of this embodiment, showing a state where the small-diameter disk D4s is inserted.

FIG. 25 is a side view of a main part of FIG. 24;

FIG. 26 is a top view of a main part of the apparatus of the present embodiment, showing a reproduction state of the small-diameter disk D4s.

FIG. 27 is a side view of a main part of FIG. 26;

[Explanation of symbols]

 1-6 Disk selection key 7 Eject key 11 Front panel 11A slot 20 Stocker 30 Disk transfer means 31, 32 Guide part 33 Belt 50 Disk reproduction means 51 Turntable 52 Optical head 60 Clamper 61 Clamper arm 70 Flap DESCRIPTION OF SYMBOLS 101 Controller 102 Operation key 103 Disk size detection sensor 104 Belt drive mechanism 105 Guide opening / closing mechanism 106 Traverse mechanism moving mechanism 107 Arm driving mechanism 108 Flap opening / closing mechanism 109 Stocker moving mechanism 110 Disk insertion / removal detection sensor D1 D6 Large diameter disk D4s Small diameter disk

Claims (1)

[Claims] 1. A disk reproducing means, a first disk transfer means for mounting a large-diameter disk or a small-diameter disk inserted into a slot to the disk reproducing means, and a stocker capable of storing a plurality of the large-diameter disks. Second disk transfer means for mounting the large-diameter disk stored in the stocker to the disk reproducing means, and detecting that the large-diameter disk or the small-diameter disk has been removed from the slot. A disk detection sensor, among a plurality of large-diameter disks stored in the stocker,
An operation key for selecting reproduction of any one of the large-diameter discs; and a state in which the small-diameter disc is mounted on the disc reproducing means, and the operation key operated by the operation key to store one of the large-diameter discs in the stocker. When the reproduction of the large-diameter disk is selected, the first disk transfer means is controlled to transfer the small-diameter disk mounted on the disk reproduction means to an eject position protruding from the slot, and the disk detection is continued. When it is detected based on the output of the sensor that the small-diameter disk transported to the eject position is taken out, the second disk transport means is controlled to control the first disk in the stocker selected by the operation key. Control means for mounting the large-diameter disc on the disc reproducing means and starting reproduction. -Type disc player.