JPH10199174A - Disk cartridge for cleaning - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable a user to easily clean an optical lens by providing an opening part in the position of a cartridge opposite the optical lens, shutting-off the opening when the cartridge is removed from an optical disk player and providing a cleaning member such that at least its tip is brought into contact with the optical lens. SOLUTION: A cleaner disk 10 having a brush 12 planted therein is loaded in a player in the condition of its being housed in a cartridge 13. The shutter of the cartridge 13 is opened and the disk 10 is rotatably driven by turntable 17 and a chucking disk 18. A block 21 having an optical head mounted thereon is sent by a linear motor while it is guided by a rod 22, an optical lens 19 is moved in the radial direction of the disk 10 and positioned to be contacted with the brush 12. In this condition, a focus operation is carried out by a biaxial device 20, the surface of the lens 19 is wiped by the brush and then dust stuck to the surface is eliminated.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cleaning disk cartridge for cleaning an optical lens of an optical disk player, and more particularly to a cleaning disk cartridge suitable for removing dirt and dust which naturally accumulate on an optical lens. About.

[0002]

2. Description of the Related Art An optical disk player such as a laser disk player reads out a signal recorded on an optical disk by an optical head and reproduces the signal. Therefore, the optical system of the disc player dislikes adhesion of dust. Accordingly, such a player is provided with the optical lens being wiped clean during manufacture. However, during a period of six months or one year, dust gradually adheres to the lens due to the flow of air generated by the rotation of the disc inside the player or the flow of air from a fan, etc., adversely affecting recording and reproduction. Gives the result.

[0003]

The dust adhering to such a lens can be easily removed with a soft cloth or a brush. However, the lens of the optical head is inside the player's cabinet and cannot be easily accessed. Therefore, the outer casing must be removed to clean the optical lens, which cannot be easily performed by a general user. Therefore, there is a drawback that the cleaning of the optical lens has to rely on the service of the manufacturer.

[0004] The present invention has been made in view of the above problems, and has as its object to provide a cleaning disk cartridge that allows a user to easily clean an optical lens.

[0005]

SUMMARY OF THE INVENTION The present invention provides a disk having substantially the same shape as an optical disk used in an optical disk player, a cartridge for storing the disk,
When the cartridge is mounted on an optical disc player,
An opening formed in the cartridge so as to expose the disk at a position facing the optical lens that moves in a radial direction with respect to the optical disk and reads the signal in a non-contact manner, and the cartridge is removed from the optical disk player. A shutter means for blocking the opening;
A part of the moving range of the optical lens in the radial direction or the circumferential direction of the disk, in a region corresponding to the opening, provided on the disk, so that at least a tip portion contacts the optical lens A cleaning member provided on the disk.

Here, the optical lens may be configured to contact at least the tip of the cleaning member on the disk in the cartridge when the focusing operation of the optical lens is performed.

[0007] Regardless of whether or not an optical lens of an optical disk player such as a laser disk player is used, dust and dirt in the air accumulate over a long period of time, leading to a deterioration in the level of a recording / reproducing signal, which has an adverse effect. Therefore, a disc having substantially the same shape as the optical disc and provided with a cleaning member such as a brush so as to come into contact with the optical lens is housed in a cartridge, and this cleaning disc cartridge is mounted on a player and the medium disc is rotated. Thus, dirt and dust on the surface of the optical lens are removed without removing the cabinet outer case.

Therefore, according to the present invention, the optical disk is cleaned by the cleaning member provided on the cleaner disk by mounting the cleaning disk cartridge on the optical disk player and rotating the disk in the same manner as the optical disk. Therefore, dust accumulated on the optical lens can be easily removed.

[0009]

FIG. 1 shows a state in which a cleaning disk cartridge according to an embodiment of the present invention is mounted on a disk player. A cleaner disk 10 is substantially the same as an optical disk reproduced by this player. 2 and 3, a central hole 11 is formed in the center of the disk.

On the cleaner disk 10, brushes 12 are provided at 180 ° intervals in the circumferential direction.
The brush 12 is made of a material that does not damage the lens, for example, rabbit hair. A small hole is made in a predetermined position of the disk 10 so that the root portion is embedded. An adhesive is injected into the hole at the root of the brush 12 and is solidified. The hairs to be implanted may be bundled and held in advance by a cylindrical supporting means, and the holding means may be inserted into the hole.

The length of the brush 12 is as shown in FIG.
When the disc 10 is mounted on a player, it has a length that comes into contact with the optical lens 19. Such a disk 10 is accommodated in a flat rectangular parallelepiped cartridge 13 as shown in FIG. The predetermined corner portion of the cartridge 13 is cut obliquely, and the obliquely cut portion can be used for detecting erroneous insertion.

The player whose lens is cleaned by such a disk 10 is, as shown in FIG.
A spindle motor 16 is provided at the center thereof,
A turntable 17 is provided on the output shaft of the motor 16. The turntable 17 holds the disc 10 together with a chucking disc 18 located above.

On the other hand, an optical lens 19 constituting an optical head is mounted on a biaxial device 20, and the device 20 is mounted on an optical block 21. The block 21 is guided by a guide rod 22 so as to be movable in a radial direction of the disk 10, and is driven in the same direction by a linear motor 23.

As shown in FIG. 1, the cleaner disk 10 in which the brushes 12 are implanted radially at positions 180 ° apart in the circumferential direction as described above is mounted on a player as shown in FIG. You. Then, the shutter of the cartridge 13 is opened, and the disc 1
Reference numeral 0 denotes a spindle motor 16 whose center is held by a turntable 17 and a chucking disc 18.
Is driven to rotate. Then, the block 21 on which the optical head is mounted is sent by the linear motor 23 while being guided by the rod 22, and the optical lens 19 is moved.
Moves in the radial direction of the disk 10 and reaches a position where it contacts the brush 12. In such a state, the two-axis device 2
0, a focusing operation is performed. At this time, as shown in FIG.
The dust is wiped off and the dust adhering to the surface is removed.

As described above, the cleaner disk 10 is housed in the cartridge 13, mounted on a player as shown in FIG. 1, and rotated, thereby removing dust accumulated on the lens 19 and performing recording or reproduction. Can be removed. Further, by periodically cleaning the optical lens 19 using the cleaner disk 10, it is possible to prevent adverse effects on recording and reproduction. This eliminates the recording / reproducing trouble due to dust attached to the lens 19. In addition, such a cleaning operation can be easily performed by the user, and does not need to depend on the service of the manufacturer.

The position of the brush 12 on the cleaner disk 10 is not limited to the position shown in FIG. 3, but may be variously deformed. For example, as shown in FIG. The brush 12 may be formed in a belt shape. Further, another cleaning member is replaced with the disk 10 in place of the brush 12.
May be provided.

[0017]

As described above, according to the present invention, when a disc having substantially the same shape as an optical disc used in an optical disc player is stored in a cartridge, and this cartridge is mounted on the optical disc player, The cartridge is formed with an opening so as to expose the disk at a position facing the optical lens for reading the signal in a non-contact manner, and when the cartridge is removed from the optical disk player, the opening is shielded. The cartridge is provided with shutter means so that a part of a moving range of the optical lens in a radial direction or a circumferential direction of the disk, which corresponds to an opening of the cartridge, is provided on the disk housed in the cartridge. In such a way that at least the tip portion contacts the optical lens It is obtained so as to provide a cleaning member.

Therefore, by mounting such a cleaning disk cartridge in a state of being housed in the cartridge and rotating the disk in the disk player, the optical lens of the player can be easily cleaned. . The disk having the cleaning member is housed in a cartridge, and an opening provided in the cartridge is shielded by a shutter. Therefore, the handling of the cleaner disk is facilitated, and the disk having the cleaning member is not damaged or stained even if touched by hand. Also, when storing, it is possible to store it in the cartridge as it is, so it is equipped with a cleaning member to ensure that the disk provided in the cartridge is not stained or damaged. Will be prevented. In particular, since the cleaner disk is not always used, but is used at a relatively long interval, such excellent storage property is very useful in handling.

Further, since the cleaning member is provided in a part of the moving range of the optical lens in the radial direction or the circumferential direction of the disk, the cleaning member always faces the optical lens when the shutter is opened. Thus, dust can be effectively removed without damaging the optical lens. In particular, by providing the cleaning member partially, the dust can be brushed up by the cleaning member, and the dust can be more effectively removed.

According to the configuration in which the optical lens comes into contact with at least the tip of the cleaning member on the disk in the cartridge when the focusing operation of the optical lens is performed, the optical lens can be effectively utilized by using the focusing operation. The cleaning can be performed by intruding into the cartridge, and no special means for contacting the cleaning member on the disc in the cartridge with the optical lens is required.

[Brief description of the drawings]

FIG. 1 is a perspective view of a main part of a player to which a cleaning disk cartridge is mounted.

FIG. 2 is a vertical sectional view of a main part showing a cleaning operation by a cleaning disk cartridge.

FIG. 3 is a plan view of a cleaner disk.

FIG. 4 is a plan view of a cleaner disk.

[Explanation of symbols]

10 ‥‥ cleaner disk, 11 ‥‥ center hole, 12 ‥‥
Brush, 13 cartridge, 16 spindle motor, 17 turntable, 18 chucking disc, 19 optical lens, 20 biaxial device,
21 ° optical block, 22 ° guide rod, 23 °
‥ Linear motor

Claims (2)

[Claims] 1. A disk having substantially the same shape as an optical disk used in an optical disk player, a cartridge for accommodating the disk, and when the cartridge is mounted on the optical disk player,
An opening formed in the cartridge so as to expose the disc at a position facing an optical lens that moves in a radial direction with respect to the optical disc and reads a signal thereof in a non-contact manner; and the cartridge is removed from the optical disc player. A shutter means for blocking the opening, and at least a tip end of the optical lens in a region corresponding to the opening, which is a part of a moving range of the optical lens in a radial direction or a circumferential direction of the disk. A cleaning member provided on the disk so that the portions come into contact with each other. 2. The cleaning device according to claim 1, wherein when the focusing operation of the optical lens is performed, the optical lens contacts at least a tip portion of a cleaning member on the disk in the cartridge. Disk cartridge.