JPS63244458A - Information processor - Google Patents

Abstract

PURPOSE:To miniaturize the device itself and to efficiently remove a foreign material stuck onto the surface of an information recording medium simultaneously with the recording and reproduction of the information recording medium by providing an attracting means removing the dust stuck onto the surface of the information recording medium opposite to a position symmetrical to the position of the processing means with respect to the rotational center of the information recording medium. CONSTITUTION:The attracting means 12 is provided opposite to a position symmetrical to the position of an optical head 15 around the rotational driving part of the information recording medium 1. Thus, the foreign material stuck on the surface of the information recording medium 1 is removed efficiently simultaneously with the recording and reproduction of the information recording medium and the cleaning device comprising the attracting means 12 is provided on a position symmetrical to the position of the optical head 15, then the dead space of the device is utilized effectively. Thus, the miniaturization of the device itself is attained.

Description

Detailed Description of the Invention [Objective of the Invention] (Industrial Field of Application) The present invention relates to an improvement in an information processing device that uses, for example, an optical disk as an information storage medium. The present invention relates to an information processing device that can automatically clean foreign matter such as dust.

(Prior art) In recent years, the amount of information such as documents (! bottles, etc.) has increased significantly, and information filing is a method of filing (recording) such information and searching for, reproducing, and retrieving desired information as needed. Devices have been issued for various periods.

Among such information filing devices, optical disk devices, which use optical discs as information storage media to record necessary information, and also search and reproduce the recorded information, are notable for their significantly large storage capacity. , has been widely put into practical use.

Information is recorded by this optical disk device by optically reading and scanning the document surface to be recorded with a laser beam C, converting black and white information on the document surface into an electrical signal (analog signal), and converting the black and white information on the document surface into an electrical signal (analog signal). The signal is FM-modulated into a recording signal, the recording signal is used to on-off modulate the laser beam generated by the laser light source, and this is shined onto the recording layer of an optical disk that is rotating at a constant speed. This is done by changing the optical properties of the irradiated area.

To reproduce the recorded document, the optical disk is rotated at a constant speed, and a constant strong beam of light is irradiated along the track on this 5" disk, and the modulation state of the reflected light from the recorded portion is measured. This is done by converting it into an electrical signal and reading out the information.

First, the configuration of a conventional optical f-isk device that performs the above-mentioned functions will be explained with reference to FIGS. 4 to 7.

In FIG. 4, 2 is an information record t! A cassette case (cartridge) containing a disc-shaped optical disc 1 as a medium
C. This is because 20 and 21 are configured to be separable in order to expose the optical disc 1 within the apparatus main body 60.

As for the MI I'ffl of the cassette case 2, a portion of the cassette case 2 having the radial width of a normal optical disk is generally opened.

In addition, 60 is the loading body, and inside of A is the power cellar 1 to
A case transport means for taking in or returning the case 2 from the insertion/ejection port 61 into the main body, and a 7J set case 2 to 20 and 2.
A case transport/opening/closing unit 64 is displaceably provided, which incorporates case opening/closing means for separating or joining the cases.

The optical disc 1 is located approximately in the center of the loading main body 60.
An optical disk drive device 67 is provided, which includes a turntable 9 for clamping and rotating the disc, and a motor (spindle motor) 8 for rotating the turntable 9.

Roughly speaking, a unit displacement means 68 for displacing the case transport/opening/closing unit 64 is provided in the loading main body 60 in order to attach/detach the optical disc 1 to/from the turntable 9. The clamper 11 is pressed and fixed to the case transport/opening/closing unit 6/I.
It is designed to be displaced in conjunction with the displacement operation of.

An optical head 15 is provided opposite the exposed portion of the optical disc 1 between the separated cassette cases 20 and 21. The optical head 15 slides in the radial direction of the optical disc 1 to perform recording and reproducing operations. -Do F.

A detailed explanation of the case transport/opening/closing unit 64 and the two unit displacement means 68 will be omitted, but the former is connected to the support shaft 8.
6, bearing 87, feed rollers 88,90,92, shafts 89,91,93 of these feed rollers, pulse generator 9/I which is the drive source for these shirts 1~, timing pulley 95, electromagnetic clutch 96 , Both ends are top and bottom [-■■
Pinch roller shaft 111, 113, 115, leaf spring 118, case release rod 34, case lock member 27
and case detection switch 122.123.12'l,
125, the latter is a T-shaped arm movable member 130 consisting of a vertical member 130a and a horizontal part 130b, a movable member operating mechanism 131, a hook 132, an internal gear 133,
Spur gear 13 /1. , drive@135, tsu A-me 136
, a spur gear 134 A3, and a vertical movement drive motor (not shown).

The transfer/opening/closing unit 64 and unit 1 changing means 6 F3 are interlocked in one direction by the action of the support 14 part 121 and the notch 132. There is.

(Problems to be Solved by the Invention) However, in the above-mentioned optical disk device, the optical disk 1 is always stored in the force setting case 2, and when it is taken into the device main body 60 and placed on the turntable 9. Since the surface is exposed only when the cassette case 2 is in use, the surface is exposed, so if foreign matter such as dust adheres to the surface during recording, playback, or storage, disassemble the cassette case 2, remove the optical disc 1, and clean it with a cloth, cotton swab, etc. It was necessary to perform the troublesome cleaning process of wiping off foreign matter with a cloth.

However, disassembling the cassette case 2 that houses the optical disc 1 not only requires specialized knowledge;
Even if the foreign matter is actually wiped with a cloth, it is difficult to completely remove foreign matter from the surface of the optical disc, and there is a great possibility that the surface of the optical disc 1 will be damaged.

In addition, by lightly contacting nonyl 1 to the surface of the optical disc that is being recorded and played back in the optical disc device, (
There is also a cleaning mechanism that removes foreign matter that has settled on the optical disc, but this method has a high risk of damaging the optical disk. However, there is the inconvenience that the optical disk must be turned over again and cleaned.

Roughly speaking, d3 has been added to the conventional optical disk drive.
Nowadays, there is a general type 11 C in which the cullet case is opened by the width equivalent to 4 diameters of the optical disk to expose the optical disk, so in the above method, the cleaning mechanism has to be installed near the optical head. Extremely complex 1.1 machine (1
4, which caused the problem that the device r1 became larger.

SUMMARY OF THE INVENTION In order to solve the above-mentioned conventional problems, it is an object of the present invention to provide an information processing apparatus equipped with a cleaning means for removing foreign matter such as dust that has settled on the surface of an information storage medium. It is something.

[Configuration I of the Invention (Means for Solving Problems)] The optical disk device of the present invention is a rotatable cassette case housed in a cassette case that can be opened to a width equivalent to the diameter of the information storage medium. In an information processing apparatus that includes a processing means for processing information recorded on an information storage medium, there is provided something on the surface of the information storage medium at a position symmetrical to the processing means with respect to the center of rotation of the information storage medium. It is characterized in that it is equipped with a suction means for removing accumulated dust.

(Function of the Invention) The information processing device of the present invention is provided at a position symmetrical to the optical head with the rotational drive portion of the information storage medium as the center in the optical disc tearing method in which the cassette case is opened to a width equivalent to the diameter of the information storage medium. Since a suction means is provided opposite the surface of the information storage medium, it is possible to efficiently remove foreign matter adhering to the surface of the information storage medium at the same time as recording and playing back the information storage medium. By providing them at symmetrical positions, the dead space of the device can be effectively used, and the device itself can be made more compact.

In addition, if there is a cheap item on the information storage medium during recording or playback,
*: If the information storage medium is damaged, it is best to carry out the cleaning operation without having to turn the information storage medium over or lift it.

Therefore, according to the present invention, the performance of the information storage medium can be maintained at Y for a long time since the cleaning means does not come into contact with the optical disk, and the performance of the information storage medium can be maintained at Y for a long time. It can be expected that the durability will be improved.

(Description of Embodiments) Hereinafter, embodiments of the optical disk device of the present invention will be described in detail with reference to the drawings.

In Fig. 1, an optical disc 1 as an information storage medium is normally housed in a cassette case (cartridge) 2 and locked in a cullet case 2 to prevent the adhesion of 5V objects. sealed in condition.

In addition, the main body case 3 that covers the mechanical part of the optical disk device as an information processing device has an insert IB2 [''] 4 and a shutter 5 for inserting the Juki force cases 1 to 2 in a part thereof. This shutter 5 is closed except when inserting or ejecting the cassette case 2, and prevents foreign matter such as dust from entering the main body of the apparatus.

Reference numeral 6 denotes a base on which the mechanical part of the optical disc device is mounted, and is fixed to the main body case 3 via rubber gaskets 7 such as rubber feet in order to enhance the vibration-proofing effect.

Reference numeral 9 denotes a turntable on which the optical disc 1 is placed, crimped by a clamper 11, and rotated. Note that while the optical disc 1 is rotating, the cullet case 2 is supported by the support 10.

Further, the optical head 15 for recording and reproducing the optical disc 1 is moved by sliding the exposed lower surface or upper surface of the optical disc 1 onto the radial surface of the optical disc 1, as shown in FIGS. 2 and 3. It's becoming a sea urchin.

The illustrated optical disk device actually includes the aforementioned case transport/opening unit, unit 1 displacement means, optical disk drive device, optical head moving device, etc., but these are omitted in the drawing. ing.

The optical disc device of the present invention described above includes case opening/closing means of a type in which the cassette case 2 housing the optical disc is opened and separated from approximately the center on both sides to expose a portion corresponding to the width of the central diameter of the optical disc 1. In addition, as shown in the figure, a suction means (in this embodiment, a suction nozzle 12 ).

That is, the suction nozzle 12 is connected via a suction pipe 14 to a fan 13 provided on the side surface of the main body recess 3, and its tip opening is connected to the exposed surface of the optical disc 1 and the optical head 15. Symmetrical (r/
It is set up so that the

The C1 optical head 15 can be moved to face either the lower surface of the optical disk 1 or the ground surface as shown in the figure, and the suction nozzle 12 can also be moved against the optical disk 1 if the suction nozzle 12 is at a symmetrical position with respect to the optical head 15. It can be placed opposite to either the upper or lower surface of the .

In this way, by providing the suction nozzle 12 in a symmetrical position with respect to the optical head 15 and the rotary drive unit, it is possible to effectively utilize the space that was previously a dead space on the opposite side of the optical head 15, and to perform cleaning. Since there is no need to consider extra space for the mechanism, the entire device can be made more compact.

In order to actually operate the above-described optical disk device of the present invention, first insert the cassette case 2 containing the optical disk 1 through the insertion/ejection opening 4 of the main case 3.

Then, the case 1 and the case 2 are taken into the main body of the device by the action of the feed roller 98, etc., and the 1st case 2 is removed (the central part is opened by a width equivalent to the diameter of the optical disk).
The optical disc 1 with a part of the diameter width exposed is placed on the turntable, and the cullet case 2 is supported by ++101
beheaded.

In this state, the middle surface of the -C1 optical disk 1 is clamped by the clamper 11, and the motor 8 is driven to rotate η.

Next, the optical head 15 slides to the exposed surface rI'+1 of the rotating optical disk 1, thereby performing recording and reproduction.

Then, the presence of foreign matter was observed on the surface of the optical disc 1.] 1.1. When the non-illustrated motor for driving the Noahnon is rotated and the fan 13 is activated, the suction nozzle 12 suctions the exposed surface of the optical disc 1. As a result, foreign matter is removed in the direction of the fan 13, and efficient leaning is achieved.

Of course, it is also possible to keep the fin 13 constantly rotating during recording and production of the optical disc 1, and to continue the recording/reproduction and cleaning operations at the same time.

Top 3. In an embodiment, the suction nozzle 12 is
In particular, it is desirable to place the optical disc 1 opposite to the bottom surface of the optical disc 1. In this configuration, since the downward direction of the horizontally rotating optical disc 1 is attracted, +J'? ,
The removal effect is promoted by utilizing the Φ force of the object itself, and more efficient leaning can be achieved.

Further, as shown in FIGS. 2 and 3, it is preferable that the tip opening of the suction nozzle 12 has an elongated hole shape whose suction width is equivalent to the radial width of the optical disc 1. As a result, the entire surface and circumference of the rotating optical disk 1 can be cleaned, making it possible to completely remove foreign matter.

Furthermore, as shown in FIG. 2(B), the suction nozzle 12
The distance 1- between the tip of the optical disc 1 and the surface of the optical disc 1 must be configured to be larger than the swing interval of the optical disc 1.
There is no fear that the surface of the optical disc 1 will be damaged or worn out, and the reliability of the cleaning effect is further improved.

Note that the fan 13 that suctions the suction nozzle 12 is preferably equipped with a filter 16;
:The foreign matter sucked by the suction nozzle 12 is filtered through the filter 16.
In addition, dust from the outside is absorbed by this filter 16, and there is no fear of it entering the main body of the device, which not only improves the cleaning effect but also protects the optical disc 1 and the main body of the device. You can get the effect
.

[Effect 1 of the Invention Hereinafter, the optical disk device N of the present invention, which has been explained in detail in the embodiments, has the information b1
In an optical disk device in which a width equivalent to the diameter of a storage medium is released, a suction means is provided opposite to the optical head at a position symmetrical to the rotational drive section of the information storage medium. ,
: It is possible to efficiently remove objects attached to the surface of an information storage medium at the same time as recording and reproduction of the information storage medium, and a cleaning mechanism consisting of a suction means is used. By providing the optical head at the S and J positions, the dead space of the device can be effectively used, and the device itself can be made more compact.

ΣL, recording and reproducing/[- If foreign matter adheres to the information storage medium inside, it is necessary to turn the information storage medium over or clean it. , and its effect on removing poppy substances is also extremely good.

Therefore, according to the present invention, not only the added value of the information processing device is greatly increased, but also the cleaning means does not come into contact with the optical disk, so the performance of the information storage medium can be maintained well and its durability v1 is improved. -I look forward to it too
can be done.

[Brief explanation of drawings]

FIG. 1 is a schematic side cross-sectional view of the information processing device ν1 of the present invention, FIG. 2<A) is a schematic side cross-sectional view of FIG. 1 viewed from the arrow direction, and FIG. is an enlarged explanatory view within the dotted circle in FIG. 2 (△), FIG. 3 is a schematic plan view of FIG. 1, and FIG. 4 is a schematic perspective explanatory view of a conventional optical disk device α.
FIG. 5 is a schematic plan view showing the internal mechanism, FIG. 6 is a schematic side view, and FIG. 7 is a schematic front view. 1... Optical disc 2... ...Kare 1~Case 3...Body case 4...Oki 11R port 5...Shutter 6...Base 7... Rubber seal 8... Motor 9... Turn deple 10... Receiver 1 11... Kunomba 12... Suction means (suction nozzle) 13. ...
...Fan 14...Suction pipe 15...Optical head 16...Filter

Claims (2)

[Claims] (1) In an information processing apparatus having a processing means for reproducing information recorded on a rotatable information storage medium housed in a cassette case that can be opened to a width equivalent to the diameter of the information storage medium, An information processing apparatus characterized in that a suction means for removing dust attached to the surface of the information storage medium is disposed in a position symmetrical to the processing means with respect to the center of rotation. (2) The information processing device according to claim (1), wherein the suction means includes a filter.