JPH06223469A - Disk driving device - Google Patents

Abstract

PURPOSE:To efficiently reproduce plural kinds of optical disks in turn and to dispose an LVD in a recordable/reproducible position without moving it and then to simplify the constitution. CONSTITUTION:A rotary holder 7 is formed with CD disposing recessed parts 7b for holding CDs in positions nearer to a turntable 13, and a moving tray 6 is formed with LVD supporting pins 6b for holding the LVD in a position at a farther distance from the turntable 13 than the CD disposing recessed parts 7b. The CD disposing recessed parts are driven to a drivable position for disposing the CDs on a moving course of the turntable into a disk reproducing position and to a withdrawal position for withdrawing the CDs from this drivable position, and the LVD supporting pins 6b are provided to dispose the LVD on the moving course of the turntable 13. The CDs and the LVD are moved by the turntable 13 to a position for disposing them into their disk reproducing positions respectively.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a disk drive device which can perform, for example, a reproducing operation on a plurality of types of disks.

[0002]

2. Description of the Related Art In recent years, an optical disk whose recording information can be read by an optical pickup has been widely used as a recording medium because of the fact that recording can be performed at a high recording density. This type of optical disc is a so-called compact disc (hereinafter referred to as a CD) in which audio information is recorded.
And a so-called laser video disc (hereinafter, referred to as LVD) in which image information and audio information are recorded. Since the LVD is a recording medium for image information, it is a CD that is a recording medium for audio information.
The recorded information amount is larger than that of the CD, and thus the diameter is larger than that of the CD. On the other hand, as an optical disk reproducing apparatus, an apparatus capable of reproducing plural kinds of optical disks having different diameters as described above has been developed in order to support the plural kinds of optical disks as described above.

[0003]

However, the above-mentioned conventional optical disk reproducing apparatus cannot reproduce a predetermined optical disk while a plurality of kinds of optical disks having different diameters are loaded in a predetermined position of the apparatus. In the case of sequentially reproducing a plurality of types of optical discs, first, only the optical disc to be reproduced first is loaded into the apparatus, and when the reproduction is completed, the optical disc is taken out and another optical disc is loaded and reproduced. Work is required. Therefore, there is a problem in that it is not possible to efficiently reproduce a plurality of types of optical discs sequentially.

Therefore, an object of the present invention is to provide a disk drive apparatus capable of loading a plurality of kinds of disks in the apparatus and sequentially reproducing the disks, for example.

[0005]

In order to solve the above-mentioned problems, a disk drive device according to a first aspect of the present invention uses a movable disk rotating member to move a disk arranged in a disk holding portion of the disk holding member. In a disk drive device that holds and moves the disk to a disk drive position away from the disk holder, the disk holder includes a disk first holder that holds the disk at a position near the disk rotating member, and a disk. A disc second holding portion that holds the disc first holding portion at a position farther from the disc rotating member than the disc first holding portion, and the disc first holding portion is on a moving path of the disc rotating member to the disc driving position. It is possible to move to a drivable position where the disc is placed in and a retracted position where the disc is retracted from the movement path of the disc rotation member. On the other hand, the disc second holding portion is provided so as to arrange the disc on the moving path of the disc rotating member, and moves the disc first holding portion to the drivable position and the retracted position. 1
And a disc rotating member moving unit for moving the disc rotating member to each disc driving position of the disc arranged on the disc first holding unit and the disc second holding unit. Is characterized by.

In order to solve the above-mentioned problems, a disk drive device according to a second aspect of the present invention holds a disk arranged in a disk holding portion of a disk holding member by a movable disk rotating member to hold the disk holding portion. In a disk drive device for moving and rotating the disk drive position away from the disk drive member, the disk holding member, a small outer diameter disk holding portion for holding a small outer diameter disk having a small outer diameter at a position near the disk rotating member, A large outer diameter disc holding portion for holding a large outer diameter disc having an outer diameter larger than the outer diameter of the small outer diameter disc at a position farther from the disc rotating member than the small outer diameter disc holding portion, The small outer diameter disc holding portion of the disc has a drivable position for arranging the small outer diameter disc on the moving path of the disc rotation member to the disc driving position, and the disc. The large outer diameter disk holding portion is provided so as to be movable to a retracted position for retracting the small outer diameter disk from the moving path of the rolling member, while the large outer diameter disk holding portion arranges the large outer diameter disk on the moving path of the disk rotating member. And a small outer diameter disc holding portion moving means for moving the small outer diameter disc holding portion to a drivable position and a retracted position,
And a disk rotating member moving means for moving the disk rotating member to each of the disk driving positions of the small outer diameter disk arranged in the small outer diameter disk holding portion and the large outer diameter disk holding portion. It is characterized by being.

In order to solve the above-mentioned problems, the disk drive device according to a third aspect of the present invention holds a disk, which is arranged in the disk holding portion of the disk holding member and has a central hole, by a movable disk rotating member. The disc holding position by moving the disc to a disc driving position separated from the disc holding portion, and fixing and rotating the disc on the disc rotating member by a disc pressing member abutting against the disc from the side opposite to the disc rotating member. The member has a disc first holding portion that holds the disc at a position closer to the disc rotating member, and a disc second holding portion that holds the disc at a position farther from the disc rotating member than the disc first holding portion, Either one of the disc first holding portion and the disc second holding portion has a small inner diameter disc with a small center hole. The other is for holding a large inner diameter disc whose center hole is larger than the central hole of the above-mentioned small inner diameter disc, and the above-mentioned disc first holding portion is a disc to the above-mentioned disc drive position. The disc second holding portion is provided so as to be movable between a drivable position where the disc is arranged on the movement path of the rotating member and a retracted position where the disc is retracted from the movement path of the disc rotating member. The disc retainer is provided so as to arrange the discs on the moving path of the rotary member, and the disc retainer comes into contact with the small inner diameter disc retainer portion that abuts the center hole peripheral portion of the small inner diameter disc and the center bore peripheral portion of the large inner diameter disc. A disc rotating member having a large inner diameter disc retainer, and the disc rotating member having a small inner diameter disc retainer facing the small inner diameter disc retainer and a large inner diameter disc retainer. It has a large inner diameter disc retainer facing part, and a small inner diameter disc retainer part and a small inner diameter disc retainer opposing part, and a large inner diameter disc retainer part and a large inner diameter disc retainer opposing part, respectively, sucks between both opposing faces. Suction force applying means for applying a force is provided, and the disk first holding portion moving means for moving the disk first holding portion to the drivable position and the retracted position and the disk rotating member are arranged on the disk first holding portion. And a disk rotating member moving means for moving the disk and the disk arranged in the disk second holding portion to respective disk drive positions.

[0008]

According to the structure of claim 1, when the disc held by the disc first holding portion of the disc holding member is driven, for example, reproduced, the disc first holding portion moving means drives the disc first holding portion. Moves to a drivable position. Then, the disc rotating member is driven by the disc rotating member moving means to move the disc held by the disc first holding portion to the disc driving position. This allows
It becomes possible to drive, for example, reproduce the disc.

When the disc held by the disc second holding unit is driven, for example, reproduced, the disc first holding unit moving unit moves the disc first holding unit to the retracted position. Then, the disc rotating member is driven by the disc rotating member moving means to move the disc held by the disc second holding portion to the disc driving position. As a result, the disc can be driven, for example, reproduced.

As described above, in the present disc drive, discs can be arranged in the disc first holding portion and the disc second holding portion of the disc holding member, respectively.
When either one is driven, for example, reproduced, the operation can be performed without taking out the other from the device. By setting the disc first holding portion and the disc second holding portion such that different types of discs having different outer diameters are arranged, it is possible to drive different types of discs. Further, a disc second holding portion for holding the disc at a position farther from the disc rotation member than the disc first holding portion is provided so as to arrange the disc on the movement path of the disc rotation member to the disc reproduction position, Since the disc first holding portion that holds the disc at the position closer to the disc rotating member is moved to the drivable position and the retracted position, the movement of the disc second holding portion is unnecessary, and the configuration is simplified.

According to the second aspect of the invention, when the disc held by the small outer diameter disc holding portion of the disc holding member is driven, for example, reproduced, it is driven by the small outer diameter disc holding portion moving means to have the small outer diameter. The disc holder moves to a drivable position. Then, the disc rotating member is driven by the disc rotating member moving means to move the small outer diameter disc held by the small outer diameter disc holding portion to the disc driving position. As a result, it becomes possible to drive, for example, reproduce the small outer diameter disk.

Further, when the disk held by the large outer diameter disk holding portion is driven, for example, reproduced, the small outer diameter disk holding portion moving means moves the small outer diameter disk holding portion to the retracted position. Then, the disc rotating member is driven by the disc rotating member moving means to move the large outer diameter disc held by the large outer diameter disc holding portion to the disc driving position. As a result, it becomes possible to drive, for example, reproduce the large outer diameter disc.

As described above, in the present disk drive device, the small outer diameter disk and the large outer diameter disk holding portion can be arranged in the small outer diameter disk holding portion and the large outer diameter disk holding portion, respectively. When either one is driven, for example, reproduced, the operation can be performed without taking out the other from the device. Further, the large outer diameter disc holding portion is provided so as to arrange the disc on the movement path of the disc rotating member to the disc reproducing position, and the small outer diameter disc holding portion is moved to the drivable position and the retracted position. Since the large outer diameter disc holding portion does not need to be moved, the structure is simplified. Further, by moving the small outer diameter disk holding portion that can be formed relatively small as described above, the size of the device can be reduced.

According to the third aspect of the invention, the disc held by the disc first holding portion of the disc holding member is driven.
For example, when reproducing, the disc first holding unit is moved to the drivable position by being driven by the disc first holding unit moving unit. Then, the disc rotating member is driven by the disc rotating member moving means to move the disc held by the disc first holding portion to the disc driving position. At this time, when the disc held by the disc first holding portion is a small inner diameter disc, the small inner diameter disc pressing portion of the disc pressing member contacts the peripheral edge portion of the center hole of the small inner diameter disc from the side opposite to the disc rotating member. The small-inner-diameter disc is securely fixed to the disc rotating member by the action of the suction force applying means. Further, when the disk held by the disk first holding portion is a large inner diameter disk, the large inner diameter disk pressing portion of the disk pressing member abuts the peripheral edge portion of the central hole of the large inner diameter disk from the side opposite to the disk rotating member. Similarly, the large-inner-diameter disc is reliably fixed to the disc rotating member by the action of the suction force applying means. As a result, it becomes possible to drive, for example, reproduce the disc in a stable state.

Further, when driving, for example, reproducing, the disc held by the disc second holding unit, the disc first holding unit is driven by the disc first holding unit moving means to move the disc first holding unit to the retracted position. Then, the disc rotating member is driven by the disc rotating member moving means to move the disc held by the disc second holding portion to the disc driving position. At this time, when the disc held in the disc second holding portion is a small inner diameter disc or a large inner diameter disc, as in the above case, the small inner diameter disc holding portion or the large inner diameter disc holding portion of the disc holding member is held. By the action of the suction force applying means, the disc is securely fixed to the disc rotating member. As a result, it becomes possible to drive the disc in a stable state, for example, to reproduce the disc.

Further, in the present disc drive device, discs can be arranged respectively in the disc first holding portion and the disc second holding portion of the disc holding member, and when driving one of them, for example, when reproducing, the other Can be carried out without removing the device from the device. Further, the disc second holding portion is provided so as to arrange the disc on the moving path of the disc rotating member to the disc reproducing position,
Since the disc first holding portion is moved to the drivable position and the retracted position, the movement of the disc second holding portion is unnecessary, and the configuration is simplified.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of the present invention will be described below with reference to FIGS. As shown in FIG. 2, an optical disk reproducing apparatus as a disk driving apparatus of the present embodiment has a so-called compact disk (hereinafter referred to as a CD) as a small outer diameter disk and a small inner diameter disk on which audio information is recorded.
1), image information and audio information are recorded,
A large outer diameter disc having a larger outer diameter than the CD 1 and a laser video disc (hereinafter referred to as LVD) 2 having a large inner diameter can be reproduced. Central holes 1a and 2a are formed in the central portions of CD1 and LVD2, respectively, and the central hole 2a of LVD2 has a larger diameter than the central hole 1a of CD1.

As shown in FIG. 1, the above-mentioned optical disk reproducing apparatus has a main chassis 3, a pick mechanism 4 provided on the main chassis 3, and a lift drive plate 5 provided on the side of the pick mechanism 4. A movable tray 6 provided above the pick mechanism 4, and the movable tray 6
A rotary holder 7, which is provided on the rotary tray 7 and constitutes a disc holding member together with the movable tray 6, a disc holding holder 8 arranged on the rotation holder 7, and a disc as a large inner diameter disc holding portion provided on the disc holding holder 8. Foot 9
10 and a disk retainer 11 as a small inner diameter disc retainer.

The pick mechanism 4 is provided with an optical pickup 12, a spindle motor 15, a turntable 13 and the like on its substrate portion 4a, and is vertically movable. Further, guide pins 4b, 4b for vertical movement are provided on the side portion of the substrate portion 4a.

The above optical pickup 12 is C
D1 or LVD2 is irradiated with laser light, and the reflected light reflects the information recorded on CD1 or LVD2. During this reproducing operation, the optical pickup 12 is driven by a motor (not shown) and moves along the guide shaft 14 in the radial direction of the CD 1 or the LVD 2.

The turntable 13 is rotated by being driven by a spindle motor 15 to rotate the CD 1 or the LVD 2. As shown in FIGS. 7 and 9, a ring plate-shaped disc holding portion 13a is formed on the upper surface of the turntable 13, and the disc holding portion 13a is formed.
A ring-shaped iron plate 16, for example, is provided on the inner peripheral portion of the above so that its upper surface is flush with the upper surface of the disk holding portion 13a.

A disk positioning member 17 is provided inside the turntable 13 so as to be vertically movable. These turntable 13 and disk positioning member 1
Reference numeral 7 constitutes a turntable rotating member. The disk positioning member 17 is provided with a compression spring 1 provided below the disk positioning member 17.
8 is always urged upward, and at the upward moving position, the engaging portion 17c formed on the outer periphery of the lower end is the iron plate 16 described above.
Is set to a position that engages with. A CD positioning portion 17a, which is fitted into the center hole 1a of the CD 1 shown in FIG. 2 to position the CD 1, is formed on the upper portion of the disc positioning member 17, and a lower portion is fitted into the center hole 2a of the LVD 2 on the lower portion. An LVD positioning portion 17b for positioning the LVD 2 is formed. Further, a circular iron plate 19, for example, is embedded in the upper surface portion of the disk positioning member 17 so that the upper surface portion and the upper surface portion are flush with each other.

The lift drive plate 5 is driven in the direction indicated by the arrow in FIG. 1, that is, the front-back direction, by the table lift drive device 37 shown in FIG. Guide pins 4b, 4b of the pick mechanism 4 are passed through the lift drive plate 5, and guide holes 5d, 5d for guiding the pins are formed in the front-rear direction. Each guide hole 5d
Has a retract position arranging portion 5a at the forefront, a CD reproducing position arranging portion 5b at a position higher than the retractable position arranging portion 5a, and a CD reproducing position arranging portion 5b at a rearmost position. It has a raised LVD reproduction position arrangement portion 5c, and the arrangement portions 5a to 5c are connected by an inclined portion.

Therefore, when the lifting drive plate 5 is moved forward, the guide pins 4b, 4b are moved from the retracted position arranging portion 5a to the CD.
Playback position placement unit 5b, and further LVD playback position placement unit 5c
To the pick mechanism 4,
That is, the turntable 13 is sequentially raised. On the other hand, when the up-and-down drive plate 5 is moved backward, the operation reverse to the above operation is performed. Then, the guide pin 4b is moved to the retracted position placement portion 5
As shown in FIGS. 4 and 5, the turntable 13 is located at the retracted position where it does not interfere with the moving tray 6 when it is in a, and the guide table 4b is shown in FIG. 6 when it is in the CD reproduction position placement part 5b. As described above, the turntable 13 is arranged at the CD playback position where the CD 1 can be rotated, and the guide pin 4b is L
When in the VD reproduction position arranging section 5c, the turntable 13 can rotate the LVD 2 as shown in FIG.
It is arranged at the D reproduction position. The operation of the table lifting / lowering drive device 37 is performed by the detection operation of the table position sensor 40 shown in FIG. 10 that detects the moving position of the lifting / lowering drive plate 5, the moving position of the guide pins 4b, 4b, the lifting position of the turntable 13, and the like. Based on
Controlled by. And the above-mentioned guide pins 4b-4
The turntable moving means is constituted by b, the lifting drive plate 5, and the table lifting drive device 37.

The movable tray 6 is driven by a tray drive device 35 shown in FIG.
In the front-rear direction, that is, as shown in FIG. 3, the disk is horizontally moved between a disk ejection position that projects forward from the apparatus and a disk storage position that is stored inside the apparatus as shown in FIG. The arrival of the moving tray 6 to the disc take-out position and the disc storing position is detected by the tray position sensor 38 shown in FIG. 10, and the tray drive device 35 is detected based on the detection operation of the tray position sensor 38.
The operation of is controlled by the control device 31.

The front portion of the movable tray 6 has a central portion in the width direction, which is a direction orthogonal to the front-back movement direction thereof, in the front portion of FIG.
A holder rotating shaft 20 that is driven to rotate by the holder rotating device 36 shown in FIG. 2 is provided, and an opening 6 a is formed behind the holder rotating shaft 20. Holder rotation shaft 2 above
0 and the holder rotating device 36 constitute a disk first holding portion moving means and a small outer diameter disk holding portion moving means. The opening 6a is formed over the range in which the turntable 13 can move up and down and the range in which the optical pickup 12 moves when the movable tray 6 is at the disc storage position. In addition, the moving tray 6 has an LVD
A plurality of LVD support pins 6b, which serve as a disk second holding portion for supporting 2 and a large outer diameter disk holding portion, are provided in a protruding manner. LV by these LVD support pins 6b ...
The support position of D2 is a position where the center of the LVD2 is vertically aligned with the center of the turntable 13, and
In order not to interfere the CD1.1 and the LVD2 arranged in the CD placement recesses 7b and 7b of the rotary holder 7 which will be described later, they are higher than the positions of these CD1.1 and these CD1.1
And the position where they are superposed in the vertical direction.

The rotary holder 7 has a shaft fitting hole 7 substantially in the center thereof.
A is formed, and the holder rotating shaft 20 is fitted into the shaft fitting hole 7a, so that the holder rotating shaft 20 is supported by the holder rotating shaft 20 and rotates together with the holder rotating shaft 20. The rotary holder 7 is formed with two CD placement recesses 7b, 7b serving as a disc holding portion for placing the CD 1, a disc first holding portion, and a small outer diameter disc holding portion. The CD placement concave portions 7b, 7b are formed adjacent to each other so as to secure independent CD 1 placement areas at the same height. These CD placement recesses 7b and 7b
A notch portion 7e is formed in each of the CD placement concave portions 7b, 7b.
The notch 7f is formed at a position other than the above. The cutout portion 7e and the cutout portion 7f are moved by the rotation of the rotary holder 7 about the holder rotation shaft 20.
Is formed in a position and a shape that can coincide with the opening 6a in the vertical direction. When the cutout portion 7e coincides with the opening 6a of the movable tray 6, that is, the rotation holder 7
When the CD rotates to the CD playable position, the CD placement recess 7b
It becomes possible to rotate the CD 1 arranged on the disk 1 by the turntable 13 and read it by the optical pickup 12. On the other hand, when the notch 7f coincides with the opening 6a of the movable tray 6, that is, the rotary holder 7 is capable of LVD reproduction. When rotated to the position, the LVD 2 supported by the LVD support pins 6b ... Can be rotated by the turntable 13 and read by the optical pickup 12. The rotation of the rotary holder 7 to these reproducible positions is detected by, for example, a holder position sensor 39 shown in FIG. 10 which is an optical sensor, and based on the detection operation of the holder position sensor 39, the above-mentioned holder rotation device 36 is operated. Operation is control device 31
Controlled by.

The disc retainer holder 8 is arranged on the rotary holder 7 and driven by the disc retainer holder drive device 34 shown in FIG. 10 provided on the main chassis 3 to move the movable tray 6 shown in FIGS. 4 and 5. vertical up and down a distance L ₁ only the upper retracted position P ₁ away, this is shown in FIGS. 6 and 8 below the a lowered position P ₂ at a distance L ₂ to the mobile tray 6 against It is designed to move.
The disk pressing holder driving device 34 has, for example, the same structure as the lifting driving plate 5 and the table lifting driving device 37 for driving the lifting driving plate 5, and the disk pressing holder driving device 34 operates in the retracted position P ₁ And based on the detection operation of the disc pressing holder position sensor 41 that detects the arrival of the disc pressing holder 8 at the lowered position P ₂ .
It is controlled by the control device 31 shown in FIG. The disc holding holder 8 has a circular opening 8 a formed at a portion facing the turntable 13.

The disc retainer 9/10 has a cylindrical portion 9a / 10.
A has flange portions 9b and 10b on the outer peripheral portion at the upper end, and the disc retainer 11 has a shape having a flange portion 11b on the outer peripheral portion at the upper end of the cylindrical portion 11a. These disc retainers 9 to 11 are assembled to the disc retainer holder 8, the disc retainer 9 is disposed below the opening 8a in the disc retainer holder 8, and the disc retainer 10 is provided from the upper side of the disc retainer holder 8 to the aperture 8a. Cylindrical part 1 passed through
0a is fitted into the inner peripheral portion of the disc retainer 9, whereby the disc retainers 9 and 10 are integrated. The disc retainer 11 is formed from the upper side of the disc retainer holder 8 to the cylindrical portion 1
1a is inserted into the cylindrical portion 10a of the disc retainer 10 so as to be vertically movable. When the disc pressers 9 to 11 rotate, this operation is integrally performed.

Further, spheres 18 are provided on the upper portion of the outer peripheral portion of the disc retainer 11. These spheres 18, 18 are provided inside the disc retainer 11 without falling off from the disc retainer 11 in a state where some of them are projected from the outer peripheral surface of the disc retainer 11. Further, the spheres 18 and 18 are urged outward in the radial direction by a spring (not shown) provided in the disc retainer 11, and are retracted inward when an external force is applied. Corresponding to the above-mentioned spheres 18 and 18, the inner peripheral surface of the disc retainer 10 has fitting recesses 10c and 10c into which the spheres 18 and 18 are fitted.
Are formed. The disc retainer 11 is positioned in a normal state with the spheres 18 and 18 fitted in the fitting recesses 10c and 10c of the disc retainer 10.

The above-mentioned disc holders 9 and 10 which are integrated
On the lower surface of the turntable 13, as shown in FIG.
In a portion facing the iron plate 16 provided in the above, a ring-shaped magnet 21, for example, which constitutes a suction force applying means together with the iron plate 16 is embedded with its lower surface being the same surface. Further, the lower surface portion of the cylindrical portion 11a of the disc retainer 11 is formed in a concave shape corresponding to the upper portion of the disc positioning member 17, and a portion of the lower surface portion facing the iron plate 19 provided on the disc positioning member 17 is A circular magnet 22, for example, which constitutes a suction force applying means together with the iron plate 19 is embedded.

Further, the optical disk reproducing apparatus of the present invention, as shown in FIG.
1 is provided. The control device 31 detects the tray position sensor 38 so that the movable tray 6, that is, the rotary holder 7 is sequentially moved to the disc ejecting position and the disc storing position in response to the sequential operation of the ejecting / storing switch 32. The tray drive device 35 is controlled based on the operation.
In addition, the control device 31 responds to the operation of the disc selection switch 33 to select the CD 1.1
Alternatively, the holder rotation device 36 is controlled based on the detection operation of the holder position sensor 39 so that the rotation holder 7 is rotated to the CD reproducible position or the LVD reproducible position where the LVD 2 can be reproduced, and the disc selection switch 33 is used. When the CD1.1 is selected, the turntable 13 is placed at the CD playback position while the LVD2 is selected.
When is selected, the operation of the table lifting drive device 37 is controlled based on the detection operation of the table position sensor 40 so that the turntable 13 is located at the LVD reproduction position. Further, the control device 31 moves the disc holding holder 8 to the descending position P ₂ in accordance with the movement of the turntable 13 to the above-mentioned CD reproducing position or LVD reproducing position, and moves the turntable 13 to the retracted position. The disc holder holder drive device 34 is controlled based on the detection operation of the disc holder holder position sensor 41 so as to move to the upper retracted position P ₁ accordingly.

In the above structure, when the optical disk reproducing apparatus is stopped, as shown in FIGS. 2 and 4, the movable tray 6 and the rotary holder 7 are held at the disk storage position inside the apparatus, and the turntable 13 is The lift drive plate 5 is at the rear position, and the guide pin 4b of the pick mechanism 4 is
Since 4b is arranged in the retracted position arranging portion 5a of the lift drive plate 5, it is held at the retracted position which is the lowermost position. Further, the disc pressing holder 8 is held at the upper retracted position P ₁ .

Next, when using the optical disk reproducing apparatus, when the power switch is turned on and then the take-out / storing switch 32 is operated, the tray drive device 35 is actuated, and the movable tray 6 is shown together with the rotary holder 7. It moves to the disk take-out position shown in 3. This allows CD1.1 and L
The VD2 can be loaded, the CD1.1 is arranged in the respective CD placement recesses 7b, 7b of the rotary holder 7, and the LVD support pin 6
When the take-out / storing switch 32 is operated again after the LVD 2 is arranged on the b..b, the moving tray 6 moves to the disc storing position shown in FIG.

Next, when the disc selection switch 33 is operated to select, for example, CD1, the holder rotating device 36 operates to rotate the rotary holder 7 to the CD reproducible position as shown in FIG. With the CD 1 placed at this position, the center of the CD 1, the center of the disc retainer 11, and the center of the turntable 13 are aligned.

After that, as shown in FIG. 6, as the lifting drive plate 5 driven by the table lifting drive device 37 moves forward,
The pick mechanism 4, that is, the turntable 13 rises to the CD reproducing position through the opening 6a of the moving tray 6, and the disc holding holder 8 is driven by the disc holding holder driving device 34 to move from the retracted position P ₁ to the lowered position P.
Move to ₂ . As a result, CD1 is turntable 1
At 3, it is lifted from the CD placement recess 7b of the rotary holder 7 and becomes rotatable. At this time, the CD positioning portion 17a of the disc positioning member 17 is fitted into the center hole 1a of the CD 1, and the CD 1 is positioned in the center portion of the turntable 13. Further, as shown in FIG. 7, the disc holder 1
1 is the movement of the disc pressing holder 8 to the descending position P ₂ ,
Also, due to the attraction force of the disk positioning member 17 on the iron plate 19 by the magnet 22 provided on the disk retainer 11, the magnet 22 descends onto the CD 1 through the center hole 2a of the LVD 2,
The CD 1 includes the disc retainer 11 and the disc positioning member 1
It is sandwiched by 7 and fixed on the turntable 13. Also, the disc retainers 9 and 10 are disc retainer 11
Since the spherical bodies 18, 18 are fitted in the fitting recesses 10c, 10c, they are held at the upper position of the disc retainer 11 and are not in contact with the disc retainer holder 8. Further, the disc positioning member 17 is pushed down by the CD 1 and the disc retainer 11 and descends in a state where only the CD positioning portion 17a is projected above the turntable 13. In this state, if a reproduction start / stop switch (not shown) is operated, the CD 1 is reproduced.

After that, for example, when the reproduction start / stop switch is operated to stop the reproduction of the CD 1, and the disk selection switch 33 is operated to select the LVD2,
First, as shown in FIG. 5, by the operation of the table lifting drive device 37, the turntable 13 descends from the CD reproducing position shown in FIG. 6 to the retracted position shown in FIG. The disc pressing holder 8 moves up from the lowered position P ₂ to the retracted position P ₁ .
Next, by operating the holder rotating device 36, the rotating holder 7
From the CD playable position shown in FIG. 5 to the L shown in FIG.
It is rotated to the VD reproducible position, that is, the position where the notch 7f is aligned with the opening 6a of the moving tray 6.

Next, as shown in FIG. 8, the turn table 13 is moved to the LVD by the operation of the table lifting drive device 37.
While moving up to the reproduction position, the disk pressing holder driving device 34 operates to move the disk pressing holder 8 to the descending position P ₂ . As a result, the LVD 2 is lifted from the LVD support pins 6b ... Above the turntable 13 and becomes rotatable. At this time, the LVD positioning portion 17b of the disk positioning member 17 is positioned at the center hole 2a of the LVD2.
And the LVD 2 is positioned in the center of the turntable 13. Further, as shown in FIG. 9, the integrated disc retainers 9 and 10 descend onto the LVD 2 and the attraction force of the magnet 21 against the iron plate 16 causes L
The VD 2 is fixed on the turntable 13. In addition, the disc positioning member 17 has an engaging portion 17c with an iron plate 16
Has been raised to the uppermost position where it engages. Further, the disc retainer 11 is pushed by the disc positioning member 17 so that the spheres 18, 18 and the fitting recesses 10c, 10 of the disc retainer 10 are pressed.
In the state where the engagement with c is disengaged, it is raised with respect to the disc retainers 9 and 10. Further, the disc retainers 9 and 10 are not in contact with the disc retainer holder 8. In this state, if a reproduction start / stop switch (not shown) is operated, the CD 1 is reproduced.

Thereafter, when the reproduction start / stop switch is operated and the take-out / storing switch 32 is further operated, the turntable 13 and the disc pressing holder 8 are moved to the retracted position and the state shown in FIG. 4 is obtained. As shown, the movable tray 6 and the rotary holder 7 are moved to the take-out position, and the CDs 1.1 and LVD2 can be taken out.

As described above, in this optical disk reproducing apparatus, the CD 1.
1 is arranged, and the LVD support pins 6b ...
D2 can be arranged, and when playing either one,
The operation can be performed without removing the other from the device. Further, the LVD support pins 6b, which hold the LVD 2 at a position above the turntable 13 with respect to the CD placement recesses 7b, 7b, are used to turn the turntable 1 to the disc reproducing position.
Since the LVD 2 is arranged on the movement path of No. 3, and only the rotation holder 7 is moved to the CD reproducible position and the retracted position, the configuration is simple. Further, since the rotation holder 7 on which the relatively small CD 1 is placed is rotated, the device can be downsized.

When the CD 1 is placed at the reproduction position by the turntable 13, the CD 1 is turned on by the turntable 1.
3 and the disc retainer 11 and the attraction force of the iron plate 19 and the magnet 22 acts to securely fix the turntable 13 to the CD.
1 can be rotated stably. This is LVD2
Even when is placed at the playback position, the LVD 2 is clamped by the turntable 13 and the disc retainers 9 and 10, and the attraction force by the iron plate 16 and the magnet 21 acts to cause the LVD 2 to reach the turntable 13. This is also the case by being securely fixed.

[0042]

According to the disk drive device of the invention of claim 1,
As described above, the disc holding member holds the disc at a position closer to the disc rotating member, and the disc second holding unit holds the disc at a position farther from the disc rotating member than the disc first holding portion. And a holding portion, and the disc first holding portion is a driveable position where the disc is arranged on the movement path of the disc rotation member to the disc driving position, and the disc is retracted from the movement path of the disc rotation member. The disc second holding portion is provided so as to be movable to the retreat position for allowing the disc to be arranged on the movement path of the disc rotating member.
A disc first holding part moving means for moving the disc first holding part to a drivable position and a retracted position, and a disc rotating member arranged on the disc first holding part and the disc second holding part. And a disk rotating member moving means for moving the disk and each disk driving position.

Thus, the discs can be arranged in the disc first holding portion and the disc second holding portion of the disc holding member, and when either one is driven, for example, reproduced, the other is not taken out from the apparatus. The operation can be performed. Therefore, a plurality of types of optical discs can be efficiently and sequentially reproduced. Further, there is an effect that the movement of the second disc holding portion is unnecessary and the configuration can be simplified.

As described above, in the disk drive device according to the second aspect of the present invention, the disk holding member holds the small outer diameter disk holding portion for holding the small outer diameter disk having a small outer diameter at a position near the disk rotating member. A large outer diameter disc holding portion for holding a large outer diameter disc having an outer diameter larger than the outer diameter of the small outer diameter disc at a position farther from the disc rotating member than the small outer diameter disc holding portion, The small outer diameter disc holding portion of FIG. 2 drives the small outer diameter disc on the movement path of the disc rotation member to the disc driving position, and retracts the small outer diameter disc from the movement path of the disc rotation member. The large outer diameter disc holding portion is provided so as to be movable to the retracted position, and the large outer diameter disc holding portion is provided so as to arrange the large outer diameter disc on the moving path of the disc rotating member, and the small outer diameter disc holding portion is provided. A small outer diameter disc holding portion moving means for moving the disc to a drivable position and a retracted position, and a small outer diameter disc holding member for placing the disc rotating member on the small outer diameter disc holding portion and a large outer diameter disc holding portion. And a disk rotating member moving means for moving the disk to the respective disk drive positions with the outer diameter disk.

Thus, the small outer diameter disc holding portion and the large outer diameter disc holding portion of the disc holding member can be provided with the small outer diameter disc and the large outer diameter disc, respectively, and one of them is driven, for example, for reproduction. If so, the operation can be performed without removing the other from the device. Further, it is not necessary to move the large outer diameter disc holding portion, and the configuration can be simplified. Further, since the small outer diameter disk holding portion which can be formed relatively small is moved, there is an effect that the device can be downsized.

As described above, in the disk drive apparatus according to the third aspect of the present invention, the disk holding member holds the disk first holding portion for holding the disk at a position closer to the disk rotating member,
A disc second holding portion for holding the disc at a position farther from the disc rotating member than the disc first holding portion, and one of the disc first holding portion and the disc second holding portion has a central hole. Is for holding a small inner diameter disc, and the other is for holding a large inner diameter disc whose center hole is larger than the center hole of the above small inner diameter disc. It is movably provided to a drivable position where the disc is arranged on the movement path of the disc rotation member to the disc driving position and a retracted position where the disc is retracted from the movement route of the disc rotation member, while the disc second holding The portion is provided so as to arrange the disc on the moving path of the disc rotating member, and the disc retainer has a small inner diameter that abuts the peripheral edge of the center hole of the disc. The disc rotating member has a disc holding portion and a large inner diameter disc pressing portion that comes into contact with a peripheral edge portion of the center hole of the large inner diameter disc, and the disc rotating member has a small inner diameter disc pressing facing portion and a large inner diameter disc that face the small inner diameter disc holding portion. Having a large inner diameter disc retainer facing portion that faces the retainer portion,
The small inner diameter disc pressing portion and the small inner diameter disc pressing facing portion, and the large inner diameter disc pressing portion and the large inner diameter disc pressing facing portion are respectively provided with suction force applying means for applying a suction force between the two facing each other. Disc first holding part moving means for moving the disc first holding part to a drivable position and a retracted position, and a disc rotating member arranged on the disc first holding part and a disc arranged on the disc second holding part. And disk rotating member moving means for moving the disk rotating member to each disk driving position.

Thus, the discs can be arranged in the disc first holding portion and the disc second holding portion of the disc holding member, and when either one is driven, for example, reproduced, the other is not taken out from the apparatus. The operation can be performed. Further, it is not necessary to move the second disc holding portion, and the configuration can be simplified. Further, the large inner diameter disc and the small inner diameter disc are securely fixed to the disc rotating member by the action of the small inner diameter disc retaining portion or the large inner diameter disc retaining portion of the disc retainer and the suction force applying means when the discs are arranged at the driving position. Therefore, there is an effect that the disk can be driven in a stable state.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of an optical disk reproducing device as a disk driving device showing an embodiment of the present invention.

FIG. 2 is a perspective view of an assembled state of the optical disk reproducing device shown in FIG.

FIG. 3 is a schematic vertical cross-sectional view showing a state in which a movable tray is moving to a disc take-out position in the above optical disc reproducing apparatus.

FIG. 4 is a schematic vertical cross-sectional view showing a state in which a movable tray is moving to a disc storage position in the above optical disc reproducing apparatus.

5 is a schematic vertical cross-sectional view showing a state in which the rotary holder is rotated to the CD reproducible position from the state shown in FIG.

FIG. 6 is a schematic vertical sectional view showing a reproducing state of a compact disc in the optical disc reproducing apparatus.

FIG. 7 is a vertical sectional view of the vicinity of the turntable and the disc retainer in the state shown in FIG.

FIG. 8 is a schematic vertical cross-sectional view showing a reproduction state of a laser video disc in the above-mentioned optical disc reproduction device.

FIG. 9 is a vertical cross-sectional view of the vicinity of the turntable and the disc retainer in the state shown in FIG.

FIG. 10 is a block diagram of a control device included in the optical disc reproducing device.

[Explanation of symbols]

1 compact disk (small outer diameter disk, small inner diameter disk) 1a center hole 2 laser video disk (large outer diameter disk, large inner diameter disk) 2a center hole 4b guide pin (disk rotating member moving means) 5 lifting drive plate (disk rotation) Member moving means) 6 moving tray (disk holding member) 6b LVD support pin (disk holding portion, disk second)
Holding part, large outer diameter disc holding part 7 Rotation holder (disc holding member) 7b CD placement recess (disc holding part, disc first holding part, small outer diameter disc holding part) 8 Disc holding holder 9 Disc holding (large inner diameter) Disc retainer) 10 Disc retainer (large inner disc retainer) 11 Disc retainer (small inner retainer) 13 Turntable 16 Iron plate (suction force applying means) 17 Disc positioning member 17a CD positioning portion 17b LVD positioning portion 19 Iron plate ( Suction force applying means) 20 holder rotation shaft (disk first holding portion moving means,
Small outer diameter disc holding portion moving means) 21 Magnet (suction force applying means) 22 Magnet (suction force applying means) 31 Control device 34 Disc holding holder driving device 35 Tray driving device 36 Holder rotating device (disc first holding portion moving means) , Small outer diameter disc holding portion moving means) 37 table lifting drive device (disc rotating member moving means)

Claims (3)

[Claims] 1. A disk drive device for holding a disk held by a disk holding portion of a disk holding member by a movable disk rotating member and moving the disk to a disk driving position separated from the disk holding portion for rotation. The disc holding member includes a disc first holding portion that holds the disc at a position closer to the disc rotating member, and a disc second holding portion that holds the disc at a position farther from the disc rotating member than the disc first holding portion. The disk first holding portion has a drivable position where the disk is arranged on the moving path of the disk rotating member to the disk driving position, and a retreat for retracting the disk from the moving path of the disk rotating member. The second disc holding portion is disposed on the moving path of the disc rotating member while being movably provided at the position. A disc first holding portion moving means for moving the disc first holding portion between a drivable position and a retracted position, and a disc rotating member arranged on the disc first holding portion. And a disk rotating member moving means which is arranged in the disk second holding portion and moves to each disk driving position of the disk. 2. A disk drive device for holding a disk held by a disk holding portion of a disk holding member by a movable disk rotating member and moving the disk to a disk driving position separated from the disk holding portion for rotation. The disc holding member has a small outer diameter disc holding portion that holds a small outer diameter disc having a small outer diameter at a position close to the disc rotating member, and a large outer diameter whose outer diameter is larger than the outer diameter of the above small outer diameter disc. A large outer diameter disc holding portion for holding the disc at a position farther from the disc rotating member than the small outer diameter disc holding portion, wherein the small outer diameter disc holding portion is
It is possible to move to a drivable position where a small outer diameter disk is arranged on the moving path of the disk rotating member to the disk driving position, and a retracted position where the small outer diameter disk is retracted from the moving path of the disk rotating member. On the other hand, the large outer diameter disc holding portion is provided so as to arrange the large outer diameter disc on the moving path of the disc rotating member, and the small outer diameter disc holding portion is provided at a drivable position and a retracted position. And a small outer diameter disk holding portion moving means for moving the disk rotating member, and a small outer diameter disk arranged on the small outer diameter disk holding portion and a large outer diameter disk arranged on the large outer diameter disk holding portion for driving each disk. And a disk rotating member moving means for moving the disk rotating member to a position. 3. A disc rotating member, which is arranged in a disc holding portion of the disc holding member and has a central hole, is held by a movable disc rotating member and is moved to a disc drive position separated from the disc holding portion. In a disc drive device for fixing and rotating a disc on a disc rotating member by a disc retainer that abuts against the disc from the opposite side, the disc holding member holds the disc at a position closer to the disc rotating member. And a disc second holding part for holding the disc at a position farther from the disc rotating member than the disc first holding part, and one of the disc first holding part and the disc second holding part is provided. , The central hole holds the small inner diameter disc, while the central hole is the center of the small inner diameter disc Holds a large inner diameter disc that is larger than the hole,
The disc first holding portion has a drivable position where the disc is arranged on the moving path of the disc rotating member to the disc driving position and a retracted position where the disc is retracted from the moving route of the disc rotating member. While being movably provided, the disc second holding portion is provided so as to arrange the disc on the movement path of the disc rotating member.
The above disc retainer has a small inner diameter disc retainer portion that abuts the center hole peripheral portion of the small inner diameter disc and a large inner diameter disc retainer portion that abuts the center hole peripheral portion of the large inner diameter disc,
The disc rotating member has a small inner diameter disc retainer facing portion that faces the small inner diameter disc retainer portion and a large inner diameter disc retainer facing portion that faces the large inner diameter disc retainer portion, and the small inner diameter disc retainer portion and the small inner diameter disc retainer portion. The pressing facing portion and the large inner diameter disc pressing portion and the large inner diameter disc pressing facing portion are respectively provided with suction force applying means for applying a suction force between the two facing each other, and the disc first holding portion can be driven. A disc first holding portion moving means for moving the disc to a position and a retracted position, and a disc rotating member for moving to a disc driving position of each of the disc arranged in the disc first holding portion and the disc arranged in the disc second holding portion. A disk drive device comprising: a disk rotating member moving means.