JPH01248379A - Case for storage medium - Google Patents

Abstract

PURPOSE:To prevent the surface of an information storage medium from being impaired, etc., when carrying the medium without paying special attention by fixing the information storage medium on a housing case when a shutter to open/close the window of the housing case is closed. CONSTITUTION:A window 3 is covered with a metallic shutter 4 of sliding system when it is not used, and the hub part 2a of an optical disk 2 is fixed in the inside of the housing case 1 by recessed parts 5, 5. Therefore, the inner wall of the housing case 1 is not brought into contact with the surface of the optical disk 2 at the time of carrying the housing case 1, etc. When the housing case 1 is inserted to an optical disk device, the shutter 4 is opened, and the fixing of the hub 2a of the optical disk 2 is released. In such a way, it is possible to prevent the surface of the optical disk 2 from being impaired, etc., without paying the special attention at the time of carrying the case, and to prevent the characteristic of the optical disk 2 from being deteriorated, etc.

Description

DETAILED DESCRIPTION OF THE INVENTION <Industrial Field of Application> The present invention relates to a case for accommodating a storage medium such as an optical disk.

(Prior Art) In recent years, optical disks have been widely used as one of the storage media used in information storage devices such as image information storage and retrieval devices and playback devices for playing music or video. This has a large amount of information storage per unit area and is the largest storage medium.

Such optical discs are made by forming a recording film such as 1"e on an acrylic resin substrate by sputtering or the like, and then inserting two discs with a gap so that the recording film is on the inside. It is constructed by bonding substrates together.Furthermore, the optical disc formed in this way is usually housed in a case made of resin or the like in order to protect the surface of the disc from dust, external forces, etc. Such an optical disc is inserted into an optical disc device for writing and reading information while being housed in a case.

Then, inside the optical disk device, a shutter provided at a predetermined position of the case is mechanically moved.
A window provided in the case that was blocked by this shutter opens. Further, information is written to and read from the optical disc exposed through this window.

(Problem to be Solved by the Invention) However, in the case of such an optical disc, it is necessary to allow the optical disc to rotate freely and smoothly within the case when taking out and reading information. The optical disc is configured to be movable inside the case, so when carried, the inner wall of the case comes into contact with the surface of the optical disc, and the surface of the optical disc may deteriorate over a long period of time. There was a fear that countless scratches would be formed on the disc, and the recording and playback characteristics of the optical disc would be deteriorated.

The present invention has been made in view of the above circumstances, and its purpose is to prevent the surface of a storage medium from being scratched even when being carried, etc., without special handling precautions. The purpose is to provide a case for storage media that can be covered.

(Means for Solving the Problems) In order to solve the above-mentioned problems, the present invention provides a window that is installed at a predetermined position in a case of a storage medium, a shutter that opens and closes this window, and a shutter that opens and closes this window. and fixing means for fixing the storage medium to the case when the storage medium is in use.

(Function) In the storage medium case of the present invention, when the shutter is closed, the storage medium is fixed inside the case, and the inner wall of the case and the surface of the storage medium do not come into contact when being carried. It becomes like this. Furthermore, when the shutter opens, the fixation of the storage medium is released, the storage medium becomes rotatable within the case, and information can be written to and read from the storage medium through a window provided at a predetermined position of the case. will be made possible.

(Example).

An embodiment of the present invention will be described below with reference to the drawings.

FIGS. 1 and 2 are configuration diagrams showing one embodiment of a storage case for accommodating the information storage medium of this embodiment.

The storage case 1 is made of, for example, polycarbonate resin, and stores therein an optical disk 2 that is an information storage medium. Windows 3 are provided at predetermined positions on both sides of the storage case 1 for writing and reading information to and from the optical disc 2 while the optical disc 2 is stored in the storage case 1.

Further, when the window 3 is not normally used, it is covered with a sliding metal shutter 4, and the shutter 4 is mechanically opened when the optical disc 2 is loaded into an optical disc device (not shown). ing.

As shown in the perspective view of the shutter 4 in FIG. 3, the shutter 4 has a recess 5.5 formed in a portion opposing the hub portion 2a of the optical disc 2. When the shutter 4 closes the window 3 as shown in FIG.
As shown in the cross-sectional view of FIG. AA, these recesses 5.5 sandwich and fix the hub portion 2a, which is the center portion of the optical disc 2, from both sides. On the other hand, when the shutter 4 is moved to open the window 3 as shown in FIG. 2, the concave portion 5.5 of the shutter 4 is disengaged from the hub portion 2a of the optical disc.

Note that since information is normally recorded on a predetermined portion of the optical disc 2 except for the hub portion 2a, even if the hub portion 2a is held between the two as described above, the information recording portion will not be affected. Never.

Next, the operation of the information storage medium storage case 1 configured as described above will be explained.

In the normal state, the storage case 1 is as shown in FIG.
The shutter 4 is closed, and the hub portion 2a of the optical disk 2 is fixed inside the storage case 1 in the recess 5.5 as shown in FIG.

Therefore, when carrying the storage case 1 containing the optical disc 2, the inner wall of the storage case 1 and the surface of the optical disc 2 do not come into contact with each other.

When the storage case 1 containing the optical disk 2 is inserted into an optical disk device (not shown), the shutter 4 shown in FIG. The fixation is released by pulling the part 2a.

Therefore, the optical disc 2 becomes rotatable within the storage case 1, laser light is irradiated through the window 3 of the storage case 1, and information can be written to and read from the optical disc 2.

If the storage case for the information storage medium as described above is used, the surface of the optical disc 2 can be prevented from being scratched, etc., without having to take special care when transporting it. Therefore, it is possible to prevent deterioration of the characteristics related to recording, reproduction, etc. of the optical disc 2.

Next, other embodiments of the present invention will be described with reference to the drawings. In addition, the same reference numerals as in the above-mentioned embodiment refer to the parts having the same configuration as those in the above-described embodiment, and the explanation thereof will be omitted.

FIG. 5 is a schematic drawing '71 showing the structure of another embodiment of the information storage medium storage case of the present invention. .

Inside the storage case 1, two discs 6.6 having approximately the same diameter as the optical disc 2 are provided, facing both sides of the optical disc 2.
is being pulled. These discs 6.6 are shown in Figure 5B of Figure 6.
As shown in the sectional view taken along the line -13, each of the leaf springs 7, 7, . A soft cloth, for example velvet 8.8, is adhered to the surface of these discs 6.6 facing the optical disk 2.

In addition, window holes 6a16a are bored in these disks 6.6 at positions facing the windows 3 and 9=I of the case 1 in which they are housed.

Further, as shown in FIG. 5, each of the leaf springs 7.7, . A control rod 9 with the same name is slidably abutted so as to be parallel to the shutter 3.

Next, the operation of the information storage medium storage case configured as in (10) Port will be explained.

In the normal state of the storage case 1, the shutter 4 is closed as shown in FIG. Disc 6 urged by .7,...
．． It is held in place by being sandwiched from both sides by 6. Therefore, when carrying the storage case 1, the surface of the optical disk 2 does not come into contact with the inner wall surface of the storage case 7-1.

When the storage case 1 containing the optical disk 2 is inserted into an optical disk device (not shown), the shutter 4 is opened by a shutter opening/closing mechanism provided in the optical disk device, and the control rod 9 is opened as shown in FIG. The leaf springs 7.7, . As a result, the optical disc 2 becomes rotatable within the storage case 1, and information can be written to and read from the optical disc 2 through the window 3 of the storage case 1 and the window hole 6a of the disc 6. will be made possible.

In the embodiment described above, as in the first embodiment, the surface of the optical disc 2 will not be scratched even if special care is not taken when carrying the storage case 1. Therefore, it is possible to prevent deterioration of characteristics related to recording and reproduction on the optical disc 2. Further, according to the above-mentioned embodiment, unlike the first embodiment, the information recording portions on both sides of the optical disc 2 are covered with velvet 8.8, so the optical disc 2 is fully protected even against strong impacts. becomes.

(Effects of the Invention) As explained above, according to the present invention, the information storage medium is fixed to the storage case when the shutter for opening and closing the window of the storage case for the information storage medium is closed. This makes it possible to prevent +a scratches on the surface of the information storage medium without special handling precautions when carrying it, etc., and to prevent deterioration of the recording and playback characteristics of the information storage medium. etc. can be prevented.

[Brief explanation of the drawing]

1 and 2 are configuration diagrams of an embodiment of the storage case for an information storage medium of the present invention, FIG. 3 is a perspective view of the shutter of the storage case, and FIG. 4 is a cross section taken along the line ■-IV in FIG. 1. 5 is a block diagram of another embodiment of the storage case for an information storage medium of the present invention, and FIG. 6 is a sectional view taken along the line vr-vr in FIG. 5. 1...Storage case, 2...Optical disc (information storage medium), 3...Window, 4...Shutter, 5...Recess, 6...Disc, 7...Blade .

Claims (1)

[Claims] A case for storing a storage medium, comprising: a window provided at a predetermined position of the case; a shutter for opening and closing the window; and when the shutter is closed, the storage medium is fixed to the case. A storage medium case characterized in that it has a fixing means.