JP2006079700A - Disk device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a disk device capable of loading a disk in a device by an easier method of higher degree of freedom. <P>SOLUTION: Disk loading in a device is carried out by mounting a disk in the disk mounting surface of a front cover fixed between the standby position and the recording/reproducing position of the disk mounting surface of a turntable. Recording/reproducing is carried out by moving an optical pickup and the turntable from the standby position to the recording/reproducing position in an opening part disposed in a part of the front cover. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a recording or reproducing disk such as a CD or a DVD, or a disk apparatus for recording or reproducing by mounting a case containing the disk.

In recent years, DVD recorders that can record and play back DVDs have begun to spread rapidly, but in order to further spread in the future, development of disk devices that are easy to use for anyone, such as universal design, in pursuit of ease of use Is required.
In a conventional disk device, as a disk mounting method, a tray system in which a disk is mounted by placing the disk on a tray coming out of the apparatus and pulling the tray into the apparatus is generally used.

  A conventional disk device will be described below.

  Conventionally, a disk device described in Japanese Patent Publication No. 4-67712 (Japanese Patent No. 1932473) is known.

In the conventional disk device, an opening for inserting and removing the tray is provided on the front panel of the disk-using device. After the disk is placed on the tray that has come out of the opening, the disk and the tray are set in a predetermined manner inside the apparatus. It is comprised so that it may be drawn in to a position (attachment / detachment position to a turntable). Then, when the disc on the tray drawn into the apparatus is mounted on the turntable and rotated at a predetermined rotational speed while being sandwiched between the clamper, for example, this disc is reproduced. The information signal recorded above is reproduced by a recording / reproducing apparatus. That is, the information signal is reproduced by moving the pickup for reading the signal according to the track position of the signal recorded in a predetermined range on the disc.
Japanese Patent Publication No. 4-67712

However, in the conventional configuration described above, in order to mount the disc on the apparatus, a series of operations of pulling out the tray, placing the disc on the tray, and then returning the tray to the apparatus again is necessary. There is a problem in that it is necessary to position and place the disk in the disk mounting recess provided on the tray, and it takes time to mount the disk, and the disk mounting method is less flexible.
SUMMARY OF THE INVENTION The present invention solves the above-described conventional problems, and an object of the present invention is to provide a disk device that can be easily mounted by a method having a high degree of freedom.

  In order to achieve this object, a disk apparatus according to the present invention is an apparatus capable of recording / reproducing a disk accommodated in a case, a large-diameter disk, or a small-diameter disk, and an optical pickup for recording / reproducing the disk. A turntable on which a disk is mounted and the optical pickup is rotated at a position where recording and reproduction can be performed, a traverse that moves between the recording and reproduction position and a standby position, and a standby of the disk placement surface of the turntable A front cover having a disk mounting surface for mounting a disk, and a traverse from the standby position to the recording / playback position when the disk is in a recording / playback state. The front cover has a configuration provided with an opening.

  With this configuration, it is possible to obtain an excellent effect that the disk can be easily mounted on the disk device and can be performed by a highly flexible method.

  As described above, the present invention provides an excellent effect that the disk can be easily mounted on the disk device and can be performed by a method having a high degree of freedom.

  The invention according to claim 1 of the present invention is an apparatus capable of recording / reproducing a disk accommodated in a case, a large-diameter disk, or a small-diameter disk, and an optical pickup for recording / reproducing the disk; A turntable on which a disk is placed and the optical pickup is rotated at a position where recording and reproduction can be performed; a traverse that moves between the recording and reproduction position and the standby position; and a standby position on the disk placement surface of the turntable; A front cover that is fixedly arranged between the recording / reproducing positions and has a disc mounting surface on which the disc is placed, and a front cover so that the traverse can be moved from the standby position to the recording / reproducing position when the disc is in a recording / reproducing state. It is characterized by having an opening in a part of the disk mounting surface of the disk, and the disk is mounted on the disk mounting surface of the front cover If, because you can mount the disk to the device, it has the effect of possible disk mounted easily.

  The invention according to claim 2 of the present invention is an apparatus capable of recording / reproducing a disk accommodated in a case, a large-diameter disk, or a small-diameter disk, and an optical pickup for recording / reproducing the disk; A turntable on which a disk is placed and the optical pickup is rotated at a position where recording and reproduction can be performed; a traverse that moves between the recording and reproduction position and the standby position; and a standby position on the disk placement surface of the turntable; A front cover that is fixedly arranged between the recording / reproducing positions and has a disc mounting surface on which the disc is placed, and a front cover so that the traverse can be moved from the standby position to the recording / reproducing position when the disc is in a recording / reproducing state. An opening is provided by moving part or all of the disc mounting surface of the disc. Since the disc can be mounted if it is mounted on the disk mounting surface, the disk can be mounted easily, and an opening for moving the traverse by moving a part or the whole of the disk mounting surface of the front cover. Therefore, in the standby position, the traverse is covered with the front cover, so that the traverse can be protected and the traverse can be made invisible from the outside, so that the appearance can be improved.

  According to a third aspect of the present invention, there is provided a clamp member having a clamper for fixing the disk on the turntable, and the optical pickup light on the disk mounting surface of the front cover when the disk is mounted. It is characterized in that it is arranged at a position that does not overlap on the projection surface in the axial direction, and since the clamp member does not become an obstacle when placing the disc, the disc can be easily attached to and detached from the apparatus Have

  In the invention according to claim 4 of the present invention, the clamp member moves from the direction substantially perpendicular to the moving direction of the optical pickup to the center side of the turntable at the time of recording / reproducing of the disc, and then the traverse is recorded / reproduced. It is characterized in that the disc is put into a recording / reproducing state by moving to the position, and the movement of the optical pickup is made by moving the clamp member from a direction substantially perpendicular to the moving direction of the optical pickup. This has the effect of reducing the size of the external device.

  The invention according to claim 5 of the present invention is characterized by comprising one or a plurality of centering means that abuts the disk and moves the center of the disk to the center of the turntable. By mounting on the disk mounting surface of the front cover, the disk is automatically transferred so that the center of the disk matches the center of the turntable.

  Hereinafter, embodiments of the present invention will be described with reference to FIGS.

(Embodiment 1)
FIG. 1 is a plan view of a disk mounted state of the disk device according to Embodiment 1 of the present invention. Here, the disc mounting state is a state of the device when the user mounts the disc on the device. FIG. 2 is a side cross-sectional view of the disk device in a disk-mounted state, and is a cross section taken along the line ZZ in FIG. 3 is a plan view of the disk device in the centered state of the disk, FIG. 4 is a side sectional view of the disk device in the centered state of the disk, and is a cross-sectional view taken along the line YY in FIG. FIG. 5 is a plan view when a case (hereinafter referred to as a cartridge) in which a disk is stored in the disk device is mounted. FIG. 6 is a side sectional view when the cartridge is mounted in the disk device. It is a cross section.

  1 to 6, reference numeral 1 denotes a turntable on which a disk 4 is placed and rotates the disk 4 during recording or reproduction. Reference numeral 2 denotes an optical pickup that records or reproduces signals on the disk 4.

  Reference numeral 3 denotes a front cover that covers the front surface of the disk device, and 3a denotes a disk mounting surface provided on the front cover 3, which is provided in a direction orthogonal to the optical axis direction of the optical pickup 2. Reference numeral 3b denotes an opening provided in a part of the disk mounting surface 3a, which is provided so that the disk mounting surface of the turntable 1 can be inserted and moved when switching between the disk mounting state and the recording / reproducing state. Reference numeral 3c denotes a rib provided at a position away from the turntable 1 and the optical pickup 2 on the disk mounting surface 3a of the front cover 3, and 3c 'denotes a bottom portion of the rib 3c. The amount of protrusion of the rib 3c in the horizontal direction (direction substantially perpendicular to the disk placement surface 3a) is such that the apparatus is placed vertically (the disk placement surface 3a is substantially perpendicular to the installation surface of the apparatus). The size is set such that the disk and cartridge can be placed when installed. The rib 3c is provided at a position where the center of the disk 4 accommodated in the cartridge 9 and the center of the turntable 1 in the recording / reproducing state are aligned when the cartridge is placed. 3d is a hole provided at the bottom of the rib 3c, in which a centering means 8 described later is movably disposed.

  Reference numeral 4 denotes a disk that is a recording medium. In the present embodiment, a large-diameter disk (for example, a 12-centimeter disk) is described as an example. Is possible. When centering the small-diameter disk, the centering means 8 can be centered by making the sliding amount of the centering means 8 larger than the sliding amount of the centering means 8 when centering the large-diameter disk.

  A traverse base 5 on which the turntable 1 and the optical pickup 2 are mounted is provided so as to be rotatable between a standby position and a recording / reproducing position about a support shaft 5a. The standby position is a position where the disk mounting surface of the turntable 1 and the optical pickup 2 do not protrude from the disk mounting surface 3a of the front cover 3 (that is, a state positioned below the disk mounting surface 3a). The recording / reproducing position is a position where the disk mounting surface of the turntable 1 protrudes from the disk mounting surface 3a of the front cover 3 so that the disk 4 can be mounted and recorded / reproduced. Although the rotation means of the traverse base 5 is not shown, it is composed of, for example, a motor and gears.

  A guide shaft 6 serves as a guide when the optical pickup 2 moves in the radial direction of the disk 4, and a drive motor 7 is used for moving the optical pickup 2.

  Reference numeral 8 denotes centering means for transporting the disk 4 so that the center of the disk 4 placed on the rib 3c is aligned with the center of the turntable 1. In this embodiment, the centering means 8 can Although the disk 4 is transported while supporting the outer periphery, two or more centering means may be provided, or the disk 4 may be supported and transported at a site other than the outer periphery of the disk 4. Further, the centering means 8 is provided with an arc portion 8a on the upper portion thereof so that the outer peripheral portion of the disc 4 having an arc shape can be reliably supported. The centering means 8 is provided so as to move between a standby position (position in FIG. 1) and a centering completion position (position in FIG. 3). Although the moving means of the centering means 8 is not shown, it is composed of, for example, a motor, a gear, and a rack. A cartridge 9 accommodates a disk.

  Reference numeral 10 denotes a clamp base for performing a clamping operation. When the disk 4 is mounted on the disk mounting surface 3a of the front cover 3 in the disk mounting state, the disk mounting is performed so that the disk 4 does not contact the clamp base 10. It stands by at a position where the mounting surface 3a does not overlap the projection surface of the optical pickup 2 in the optical axis direction. In this embodiment, the clamp base 10 stands by at a position on the right side of the disk mounting surface 3a. In addition, you may stand by in the position of the left side of the disk mounting surface 3a. The clamp base 10 is configured to be movable from the standby position to the clamp position in a direction orthogonal to the moving direction of the optical pickup 2 and parallel to the disk mounting surface of the turntable 1. The clamp position is a position where the clamp base 10 can be moved by moving directly above the disk mounting surface of the turntable 1. Although the movement means of the clamp base 10 is not shown, for example, a rack is provided on the clamp base 10 and is moved by a motor and gears. The clamp base 10 is configured not to contact the disk 4 mounted on the disk mounting surface 3a.

  A clamper 11 clamps the disk 4 on the disk mounting surface of the turntable 1 and is provided on the clamp base 10 so as to be movable in the vertical direction of the disk mounting surface of the turntable 1. The clamper 11 has a magnetic body, and is configured to be magnetically attached to the magnetic body on the disk mounting surface of the turntable 1.

  The operation of the disk device configured as described above will be described with reference to FIGS.

  First, the case where the disk 4 is placed on the rib 3c in the disk mounted state will be described with reference to FIGS.

  When a recording / reproducing start switch (not shown) is turned ON, the clamp base 10 moves from the standby position shown in FIG. 1 in the direction of arrow B (in the direction orthogonal to the moving direction of the optical pickup 2), and FIG. Move to the indicated clamp position.

  Next, with the centering means 8 placing the disc 4 on the arc portion 8a, the centering means 8 is parallel to the disc placement surface 3a of the front cover 3 and from the position of FIG. 1 in the direction of arrow A (toward the center of the turntable 1). Direction). Accordingly, the disk 4 moves in the direction of arrow A while the outer peripheral portion is supported by the centering means 8.

  Then, the centering means 8 comes into contact with a stopper (not shown) at the centering completion position shown in FIG. 3 and stops moving in the arrow A direction. The stopper is provided so that the centering means 8 stops at a centering position where the center of the disk 4 moved by the centering means 8 matches the center of the turntable 1.

  Thereafter, as shown in FIG. 2, the traverse base 5 rotates about the support shaft 5a in the direction of arrow C, the turntable 1 moves through the opening 3b to the recording / reproducing position, and the disk 4 moves to the turntable 1. It is lifted on the disk mounting surface. As a result, the clamper 11 is attracted to the disk mounting surface of the turntable 1 by the magnetic force, and the disk 4 is clamped by the turntable 1 and the clamper 11 to be in a recordable / reproducible state as shown in FIG.

  As shown in FIGS. 3 and 4, when the traverse base 5 completes the movement to the recording / reproducing position, the centering means 8 moves in the direction of the arrow D and moves away from the outer periphery of the disk 4 placed on the turntable 1. evacuate. In the present embodiment, the centering means 8 moves to the position shown in FIG. 1 (inside the hole 3d of the rib 3c). At this time, the disk 4 is held on the turntable 1. Then, the turntable 1 rotates to rotate the disk 4 so that information can be recorded on and reproduced from the disk 4. If the centering means 8 is separated from the outer periphery of the disk 4 placed on the turntable 1, the centering means 8 is located between the standby position of the centering means 8 (position in FIG. 1) and the centering completion position (position in FIG. 3). You may retreat to any position. Thereafter, the turntable 1 rotates to rotate the disk 4 to enter the recording / reproducing state.

  The disk loading operation is performed in the order of clamp base movement, centering, and traverse movement (clamping). However, the order is not necessarily required, and the order is changed if the disk can be moved to the clamped state. Also good.

  Next, a case where the disk 4 is removed from the apparatus will be described.

  When a disk ejecting switch (not shown) is turned on while the disk 4 is at the recording / reproducing position, the rotation of the turntable 1 is stopped and the rotation of the disk 4 is stopped. Then, the centering means 8 moves from the retracted position to a position that supports the outer periphery of the disk 4 (the position in FIGS. 3 and 4). Thereafter, the traverse base 5 rotates in the direction of arrow F about the support shaft 5a, and moves from the recording / reproducing state to the standby state shown in FIG. Accordingly, the disk 4 held by the turntable 1 and the clamper 11 is separated from the disk mounting surface of the turntable 1 and the clamper 11. Thereafter, the centering means 8 moves in the direction of arrow D (standby position direction) with the disk 4 placed thereon, and accordingly, the disk 4 moves into the rib 3c, and the disk 4 moves to the position shown in FIG. (At this time, the clamp base 10 is still in the position of FIG. 3). Next, the clamp base 10 moves from the clamp position shown in FIG. 3 in the direction of arrow E and moves to the standby position shown in FIG. Thereby, the disk 4 can be taken out.

  Note that the above-described disk ejecting operation is performed in the order of releasing the clamp, releasing the centering, and retracting the clamp base. However, the order is not necessarily required. It may change.

  Next, the mounting operation of the cartridge 9 will be described with reference to FIGS.

  As shown in FIG. 5, when the cartridge 9 is placed on the rib 3c by the user and a recording / reproducing start switch (not shown) is turned on, the clamp base 10 is moved from the standby position shown in FIG. It moves in a direction orthogonal to the moving direction of the optical pickup 2 and moves to a clamp position where the center of the turntable 1 and the center of the clamper 11 substantially coincide (not shown).

  Next, the centering means 8 moves in the direction of arrow G (direction toward the center of the turntable 1) in parallel with the disk mounting surface 3a of the front cover 3, and comes into contact with the end surface 9a of the cartridge 9 to stop. Thereafter, the shutter 9b provided on the cartridge 9 is opened by a shutter opening / closing mechanism (not shown).

  Next, as shown in FIG. 6, the traverse base 5 rotates about the support shaft 5a in the direction of the arrow J, the turntable 1 moves through the opening 3b to the recording / reproducing position, and the disc 4 moves to the turntable. 1 is lifted on the disk mounting surface. Along with this, the clamper 11 is attracted to the disk mounting surface of the turntable 1 by the magnetic force, and the disk 4 is clamped by the turntable 1 and the clamper 11 to be in a recording / reproducing state. Then, the turntable 1 rotates to rotate the disk 4 so that information can be recorded on and reproduced from the disk 4.

  The cartridge mounting operation is performed in the order of clamp base movement, centering means movement, and traverse movement (clamp). However, the order is not necessarily required, and the disk 4 in the cartridge 9 can be shifted to the clamped state. If so, the order may change.

  Next, a case where the cartridge 9 is taken out from the apparatus will be described.

  When a disk ejection switch (not shown) is turned on while the disk 4 in the cartridge 9 is at the recording / reproducing position, the rotation of the turntable 1 stops and the rotation of the disk 4 stops. Next, the traverse base 5 rotates about the support shaft 5a in the direction opposite to the arrow J, and moves to a standby state as shown in FIG. Accordingly, the disc 4 held by the turntable 1 and the clamper 11 is detached from the disc placement surface of the turntable 1. Next, the clamp base 10 moves from the clamp position in the direction opposite to the arrow H, moves to the standby position shown in FIG. 5, and the cartridge 9 can be taken out. The centering means 8 moves downward and moves to a position away from the cartridge 9.

  The cartridge removal operation is performed in the order of releasing the clamp, retracting the clamp base, and retracting the centering means. However, the order does not necessarily have to be changed, and the order is changed if the cartridge 9 can be moved to the ejectable state. May be.

  As described above, according to the first embodiment, the opening 3b through which the turntable 1 can be inserted and moved is provided in a part of the front cover 3, and the rib 3c and the centering means 8 are provided in a part of the front cover 3. By providing the disk 4 on the rib 3c, the disk 4 can be automatically transferred so that the center of the disk 4 is aligned with the center of the turntable 1, and the disk 4 can be easily mounted.

  Further, according to the embodiment, when the disc is mounted, the clamp base 10 is retracted to a position where it does not overlap the projection surface in the vertical direction of the disc placement surface 3a of the front cover 3 so that the clamp base 10 is obstructed. The disk can be easily attached to and detached from the apparatus without becoming. Further, by adopting a system in which the clamp base 10 is moved from a direction orthogonal to the moving direction of the optical pickup 2, the external dimensions of the apparatus in the moving direction of the optical pickup can be reduced.

(Embodiment 2)
7 is a plan view of a disk device in a disk mounting state according to the second embodiment of the present invention, FIG. 9 is a plan view of a disk device in a centering completed state, and FIG. 8 is a side sectional view of the disk device in a disk mounting state. FIG. 8 is a cross section of the WW portion in FIG. 7.

  7 to 9, the same components as those in the first embodiment are given the same numbers, and the description thereof is omitted. 1 to 6 is that the disk mounting surface 3a of the front cover 3 moves as doors 3e and 3f. 7 to 9, the doors 3e and 3f are each composed of a pair of left and right, and the doors 3e and 3f can be opened and closed in a direction perpendicular to the moving direction of the optical pickup 2 from the center in parallel to the disk mounting surface 3a. In the opened state (recording / reproducing state) as shown in FIG. 9, the traverse base 5 rotates and protrudes from the disk mounting surface of the turntable 1. The driving means for opening and closing the doors 3e and 3f is not shown, but can be constituted by, for example, a motor, a gear, and a rack. Further, the doors 3e and 3f are configured to move to the back side of the front cover 3 and hide when opened.

  The operation of the disk device of the present embodiment configured as described above will be described below.

  First, a case where the disk 4 is placed on the rib 3c in the disk mounted state will be described. Before the disc is placed, the doors 3e and 3f are closed as shown in FIG.

  When the disk 4 is placed on the rib 3c and a recording / reproduction start switch (not shown) is turned on, the clamp base 10 moves from the standby position shown in FIG. (Orthogonal direction) to the clamp position shown in FIG.

  Next, the centering means 8 moves in the direction of arrow N (direction toward the center of the turntable 1) in parallel with the disk mounting surface 3a of the front cover 3 in a state where the disk 4 is mounted. Moves while the outer peripheral portion is supported by the centering means 8. Then, the centering means 8 comes into contact with a stopper (not shown) at the centering completion position shown in FIG. 9 and stops moving.

  Thereafter, the doors 3e and 3f move in the directions of arrows K and L, respectively, to form the opening 3g as shown in FIG. Then, as shown in FIG. 8, the traverse base 5 rotates in the direction of the arrow M about the support shaft 5a, the disk mounting surface of the turntable 1 is inserted through the opening 3g, and the disk 4 is inserted into the turntable 1 It is lifted on the disk mounting surface. Along with this, the clamper 11 is attracted to the disk mounting surface of the turntable 1 by the magnetic force, and the disk 4 is clamped by the turntable 1 and the clamper 11 to be in a recordable / reproducible state.

  When the traverse base 5 completes moving to the recording / reproducing position, the centering means 8 moves in the direction of arrow P and retracts to a position away from the outer periphery of the disk 4 placed on the turntable 1. At this time, the disk 4 remains held on the turntable 1. Thereafter, the turntable 1 rotates to rotate the disk 4 to enter the recording / reproducing state.

  The disk mounting operation is performed in the order of clamp base movement, centering, door opening operation, and traverse movement (clamping). However, this order is not necessarily required, and the disk can be moved to the clamped state. The order may change.

  Next, a case where the disk 4 is removed from the apparatus will be described.

  When a disk ejection switch (not shown) is turned on in the recording / reproducing state, the turntable 1 stops rotating, and the centering means 8 extends from the retracted position to a position for supporting the outer periphery of the disk (position in FIG. 9). Moving. Thereafter, the traverse base 5 rotates around the support shaft 5a in the direction opposite to the arrow M, and moves from the recording / reproducing state to the standby state shown in FIG. Accordingly, the disk 4 is detached from the disk mounting surface of the turntable 1.

  Thereafter, the doors 3e and 3f are moved in the directions opposite to the directions of the arrows L and K, respectively, and the opening 3g is eliminated as shown in FIG. Thereafter, the centering means 8 moves to the standby position, and accordingly, the disk 4 moves into the rib 3c. Next, the clamp base 10 moves from the clamp position shown in FIG. 9 in the arrow Q direction, and moves to the standby position shown in FIG. As a result, the disk 4 can be taken out.

  The disc ejecting operation is performed in the order of releasing the clamp, releasing the centering, closing the door, and retracting the clamp base. However, the order is not necessarily required, and the disc can be shifted from the clamped state to the ejectable state. If so, the order may change.

  As described above, according to the second embodiment, the disk mounting surface of the front cover 3 can be freely opened and closed as the doors 3e and 3f, so that the opening 3g through which the disk mounting surface of the turntable 1 penetrates is provided. In the standby position, the traverse part is covered with the front cover 3 (doors 3e and 3f), so that the traverse part can be protected and the traverse part cannot be seen from the outside. , Can improve the appearance quality.

  Further, according to the present embodiment, when the disc is mounted, the clamp base 10 is retracted to a position that does not overlap the projection surface in the vertical direction of the disc mounting surface 3a of the front cover 3 so that the clamp base 10 is obstructed. The disk can be easily attached to and detached from the apparatus without becoming a thing. Further, by adopting a system in which the clamp base 10 is moved from a direction orthogonal to the moving direction of the optical pickup 2, the external dimensions of the apparatus in the moving direction of the optical pickup can be reduced.

  In this embodiment, the doors 3e and 3f are opened after the centering means 8 performs the centering operation. However, the centering means 8 may perform the centering operation after the doors 3e and 3f are opened.

  Further, in this embodiment, the centering means 8 is moved to the standby position after the doors 3e and 3f are closed when the disk 4 is taken out from the recording / reproducing state. However, after the centering means 8 is moved to the standby position, the door 3e and 3f may be closed.

  The present invention is not limited to the embodiment described above.

  The disc device according to the present invention places the disc on the disc placement surface of the front cover that is fixedly arranged between the standby position and the recording / reproduction position of the disc placement surface of the turntable. This method can be applied to applications that require easy and flexible mounting of a disk to a disk device.

The top view of the disc mounting state of the disc apparatus in Embodiment 1 of this invention Side surface sectional drawing of the disc installation state of the disc apparatus in Embodiment 1 of this invention The top view of the disc centering completion state of the disc apparatus in Embodiment 1 of this invention Side surface sectional drawing of the disc centering completion state of the disc apparatus in Embodiment 1 of this invention The top view when the case which accommodated the disk in the disk apparatus in Embodiment 1 of this invention was mounted | worn Side surface sectional drawing when the case which accommodated the disk in the disk apparatus in Embodiment 1 of this invention was mounted | worn The top view of the disc mounting state of the disc apparatus in Embodiment 2 of this invention Side surface sectional drawing of the disc installation state of the disc apparatus in Embodiment 2 of this invention The top view of the disc centering completion state of the disc apparatus in Embodiment 2 of this invention

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Turntable 2 Optical pick-up 3 Front cover 3a Disc mounting surface 3b Opening 3c Rib (left side)
3d rib (right side)
3e Door (right side)
3f door (left side)
4 disc 5 traverse base 5a support shaft 6 guide shaft 7 drive motor 8 centering means 9 cartridge 10 clamp base 11 clamper 12 shutter

Claims (5)

A disc stored in a case, or a large-diameter disc or a small-diameter disc can be recorded / reproduced,
An optical pickup for recording / reproducing the disk and a turntable on which the disk is mounted and rotated at a position where the optical pickup can be recorded / reproduced, and which moves between a recording / reproduction position and a standby position When,
A front cover having a disc placement surface on which the disc is placed, fixedly disposed between the standby position and the recording / reproducing position of the disc placement surface of the turntable;
An opening is formed in a part of the disk mounting surface of the front cover so that the traverse can be moved from the standby position to the recording / reproducing position when the disk is in a recording / reproducing state. The disk unit. A disc stored in a case, or a large-diameter disc or a small-diameter disc can be recorded / reproduced,
An optical pickup for recording / reproducing the disk and a turntable on which the disk is mounted and rotated at a position where the optical pickup can be recorded / reproduced, and which moves between a recording / reproduction position and a standby position When,
A front cover having a disc placement surface on which the disc is placed, fixedly disposed between the standby position and the recording / reproducing position of the disc placement surface of the turntable;
When the disc is in a recording / reproducing state, an opening is provided by moving a part or the whole of the disc mounting surface of the front cover so that the traverse can be moved from the standby position to the recording / reproducing position. A disk device characterized by that. A clamp member having a clamper for fixing the disc on the turntable, and when the disc is placed, the clamp member is on the projection surface of the disc placement surface of the front cover in the optical axis direction of the optical pickup. 3. The disk device according to claim 1, wherein the disk device is disposed at a position that does not overlap. The clamp member
At the time of recording / playback of the disc, it moves from the direction substantially perpendicular to the moving direction of the optical pickup to the center side of the turntable,
4. The disk apparatus according to claim 3, wherein the disk is placed in a recording / reproducing state by moving the traverse to a recording / reproducing position thereafter. 4. The disk apparatus according to claim 3, wherein the disk apparatus comprises one or a plurality of centering means that abut against the disk and move the center of the disk to the center of the turntable.

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