JPH11144421A - Disk cartridge - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a disk cartridge, in which a disk medium can be reproduced by different disk drive units. SOLUTION: The disk extraction display mechanism 40 of the disk cartridge is extruded towards the display section 14h of a half case 14 because a working surface 40b is given external force larger than a predetermined magnitude. A working section is penetrated to the display section of the half case by further imparting external force to the working section under the state, and discharged to the outside of a cartridge body 11. Accordingly, the disk extraction display hole 23 of a cover 12 is exposed as a through-hole. Even when the cover is inserted again, the disk extraction display hole is opened.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a disk cartridge for storing an optical disk as a recording medium.

[0002]

2. Description of the Related Art More than ten years have passed since the development of compact discs (CDs) for music, and various types of read-only optical discs represented by CD-ROMs or photo CDs for personal computers have been born. Widely used for business or consumer use. Today, in addition to a read-only optical disk, a write-once optical disk that can be written only once and a recording / reproducing optical disk that can be repeatedly recorded and erased have been developed. As a result, more than ten types of optical disks have been commercialized. In general, a recording / reproducing optical disk is provided with a window portion capable of exposing the recording surface and a recording surface exposed from the window portion for the purpose of preventing dust or the like from adhering to the recording surface of the recording medium. It is housed in a cartridge having a shutter for protection.

However, it is practically impossible to prepare all the drive devices suitable for the above-mentioned various optical disks, either economically or because of restrictions on the handling of the reproducing (recording) device or securing of an installation place. It is possible.

With the spread of the recording / reproducing optical disk which is being developed today, data of a recording / reproducing optical disk on which a certain user has recorded data is used by another user who has only a reproducing apparatus for a reproduction-only optical disk. May occur.

[0005] In this case, there is a high possibility that an optical disc other than a read-only optical disc cannot be reproduced by a reproducing apparatus owned by many users who reproduce software and electronic books distributed on the market. An optical disc is required to be able to take out data even by a reproducing apparatus for a read-only optical disc.

For this reason, since the recording / reproducing optical disk is housed in a cartridge, a cartridge for accommodating the recording / reproducing optical disk is required so that data can be reproduced by a reproducing apparatus for a reproduction-only optical disk. Requires a structure that allows the optical disk to be taken out. In a structure in which the optical disk can be taken out from the cartridge, the taken out optical disk and the cartridge correspond one-to-one.

[0007]

However, the cartridge having a structure capable of taking out the optical disk described above is
At this time, it has not been proposed. Further, when the optical disk once taken out is housed in the cartridge again, recording of new data is possible, and the recording density and the recording speed to be guaranteed in that case are not standardized.

In another case, two or more optical disks are simultaneously taken out of the cartridge,
For example, if data is already recorded on the optical disk contained in one cartridge and data is not recorded on the other, the optical disk on which data is recorded is returned to another cartridge and returned to another cartridge. Thus, data can be further written to an optical disk on which data has already been recorded. This means
The cartridge and the optical disk must be accommodated in the original cartridge in a one-to-one correspondence, since this causes a problem that data already recorded is lost. An object of the present invention is to provide a disk cartridge from which a disk medium in a disk cartridge can be taken out.

[0009]

SUMMARY OF THE INVENTION The present invention has been made on the basis of the above-mentioned problems. First and second main surfaces parallel to the recording surface of a recording medium and the two main surfaces are mutually connected. A cartridge body for accommodating a disk-shaped recording medium comprising a pair of left and right two side surfaces to be connected, two spaces surrounded by the two main surfaces and the two side surfaces, and having a recording surface formed on one surface; The above 2 of the cartridge body
A cover member formed detachably with respect to one of the two spaces and capable of taking out the recording medium from inside the cartridge body;
Recording medium discharge notifying means for notifying that the cartridge has been discharged to the outside, wherein the recording medium discharge notifying means is directed from one of the two main surfaces of the cartridge body to the other main surface. And a disk cartridge which is inserted through a predetermined position of the lid member.

Further, the cover member of the disk cartridge of the present invention is characterized in that it has a visual information recording area in which visual information such as characteristics and classification of a recording medium and a serial number is recorded.

Furthermore, the cartridge body of the disk cartridge according to the present invention is characterized in that it has a visual information recording area in which visual information such as characteristics and classification of a recording medium and a serial number is recorded.

Still further, the recording medium of the disk cartridge of the present invention is characterized in that it has a visual information recording area in which visual information such as characteristics and classification unique to the recording medium and a serial number is recorded.

Still further, in the disk cartridge according to the present invention, the cartridge body, the cover member, and the recording medium are each colored in a specific color assigned to a predetermined quantity.

Still further, the present invention provides a first and a second main surface parallel to a recording surface of a recording medium, a pair of left and right side surfaces interconnecting the two main surfaces, A cartridge body for storing a disk-shaped recording medium having a recording surface formed on one side, the cartridge body comprising a surface and two spaces surrounded by the two side surfaces, and one of the two spaces of the cartridge body A cover member formed detachably with respect to the cartridge body and capable of taking out the recording medium from inside the cartridge main body; a recording medium discharge notifying means for notifying that the recording medium has been discharged at least once to the outside; Wherein the recording medium discharge notifying means comprises:
From one of the two main surfaces of the cartridge main body toward the other main surface, the cartridge is inserted into the cartridge main body through a predetermined position of the lid member, and reports that the recording medium has been discharged. In this case, the disc cartridge is provided so that the disc cartridge is ejected from the one main surface side to the outside of the cartridge main body by being inserted further toward the cartridge main body from the other main surface side. Is what you do.

Further, the present invention provides a first and a second main surface parallel to a recording surface of a recording medium, a pair of left and right side surfaces interconnecting the two main surfaces, A cartridge body for storing a disk-shaped recording medium having a recording surface formed on one side, the cartridge body comprising a surface and two spaces surrounded by the two side surfaces, and one of the two spaces of the cartridge body A cover member formed detachably with respect to the cartridge body and capable of taking out the recording medium from inside the cartridge main body; a recording medium discharge notifying means for notifying that the recording medium has been discharged at least once to the outside; Wherein the recording medium discharge notifying means comprises:
A first structure inserted into the cartridge body from one of the two main surfaces of the cartridge body toward the other main surface, and a main surface opposed to one of the two main surfaces of the cartridge body And a second structure inserted into the cartridge body toward the one main surface from above, and penetrated through a predetermined position of the lid member to be inserted respectively. It is.

Still further, the recording medium discharge notifying means of the disk cartridge according to the present invention is provided in the cartridge main body.
A plurality of protrusions penetrating through a predetermined position of the lid member and inserted into the cartridge body from one of the two main surfaces toward the other main surface, and radially diffused at a position passing through one of the two main surfaces. It is characterized by having.

Still further, the recording medium discharge notifying means of the disk cartridge of the present invention is provided in the cartridge main body.
From one of the two main surfaces toward the other main surface, it is inserted into the cartridge body through a predetermined position of the lid member, and at a position passing through one of the two main surfaces, an external force of a first magnitude is applied. Characterized in that it has a shaft-like portion that is given a size that is balanced with respect to.

Still further, the recording medium discharge notifying means of the disk cartridge according to the present invention is provided in the cartridge main body.
By being inserted into the cartridge body from one of the main surfaces toward the other main surface through a predetermined position of the lid member, a second external force greater than the first magnitude of external force is applied, It is characterized by having a shaft-like portion formed so as to be able to penetrate from one of the two main surfaces toward the other main surface.

Furthermore, the present invention provides a first and a second main surface parallel to a recording surface of a recording medium, a pair of left and right side surfaces interconnecting the two main surfaces, A cartridge body for storing a disk-shaped recording medium having a recording surface formed on one side, the cartridge body comprising a surface and two spaces surrounded by the two side surfaces, and one of the two spaces of the cartridge body A cover member formed detachably with respect to the cartridge body and capable of taking out the recording medium from inside the cartridge main body; a recording medium discharge notifying means for notifying that the recording medium has been discharged at least once to the outside; Wherein the recording medium discharge notifying means comprises:
A first structure inserted into the cartridge body from one of the two main surfaces of the cartridge body toward the other main surface, and a main surface opposed to one of the two main surfaces of the cartridge body A disc including a second structure inserted into the cartridge body toward the one main surface from above, penetrating a predetermined position of the lid member, and inserted simultaneously or in a predetermined order, respectively. A cartridge is provided.

Still further, the present invention provides a first and a second main surface parallel to a recording surface of a recording medium, a pair of left and right side surfaces interconnecting the two main surfaces, A cartridge body for storing a disk-shaped recording medium having a recording surface formed on one side, the cartridge body comprising a surface and two spaces surrounded by the two side surfaces, and one of the two spaces of the cartridge body A cover member formed detachably with respect to the cartridge body and capable of taking out the recording medium from inside the cartridge main body; a recording medium discharge notifying means for notifying that the recording medium has been discharged at least once to the outside; Wherein the recording medium discharge notifying means comprises:
A first structure inserted into the cartridge body from one of the two main surfaces of the cartridge body toward the other main surface, and a main surface opposed to one of the two main surfaces of the cartridge body And a second structure inserted into the cartridge body toward the one main surface, and penetrates a predetermined position of the lid member to notify that the recording medium has been ejected, respectively. In this case, a disc cartridge is provided in which the first structure is further inserted toward the cartridge body, so that the disk cartridge is ejected to the outside of the cartridge body together with the second structure. Things.

Further, the present invention provides a first and a second main surface parallel to a recording surface of a recording medium, a pair of left and right side surfaces interconnecting the two main surfaces, A cartridge body for storing a disk-shaped recording medium having a recording surface formed on one side, the cartridge body comprising a surface and two spaces surrounded by the two side surfaces, and one of the two spaces of the cartridge body A cover member formed detachably with respect to the cartridge body and capable of taking out the recording medium from inside the cartridge main body; a recording medium discharge notifying means for notifying that the recording medium has been discharged at least once to the outside; Wherein the recording medium discharge notifying means comprises:
A first structure inserted into the cartridge body from one of the two main surfaces of the cartridge body toward the other main surface, and a main surface opposed to one of the two main surfaces of the cartridge body And a second structure inserted into the cartridge body toward the one main surface, and penetrates a predetermined position of the lid member to notify that the recording medium has been ejected, respectively. In this case, the first structure is further inserted toward the cartridge main body, and together with the second structure, a main surface side of the cartridge main body that faces one of the two main surfaces of the cartridge main body. A disc cartridge is provided which is ejected outside the cartridge body.

Still further, the first structure of the recording medium discharge notifying means of the disk cartridge of the present invention is inserted from one of the two main surfaces of the cartridge body to the other main surface so that the lid is inserted. The first structure of the recording medium ejection notifying means of the disk cartridge according to the present invention is characterized in that the first structure is connected to the second structure through a predetermined position of the member. When inserted from one of the surfaces toward the other main surface and penetrated through a predetermined position of the lid member and connected to the second structure, the first structure and the second structure It is characterized by having a configuration capable of discharging air therebetween.

[0023]

Embodiments of the present invention will be described below in detail with reference to the drawings. As shown in FIGS. 1 and 2, the disk cartridge 10 is detachably mounted on a cartridge main body 11 for storing an optical disk 1 as a recording medium, which will be described in detail later with reference to FIGS. It has a lid 12 formed. The disk cartridge 10 shown in FIGS. 1 and 2 mainly stores a single-sided optical disk capable of recording and reproducing.

The lid 12 has a rear end face 11b facing the front end face 11a oriented in the insertion direction A of the cartridge body 11.
It is provided in. The cartridge body 11 has upper and lower surfaces, that is, first and second half cases 13,
14 are connected to each other. Further, the lid 12 and the half cases 13 and 14 are respectively shown in FIG.
1 and FIG. 12, or related to the color given to the display surface of the optical disc 1 described later,
It is colored in a specific color assigned for each predetermined quantity.

At a predetermined position on the outer surface provided by at least one or both of the half cases 13, 14, the type or serial number or identification symbol of the optical disk 1 contained in the cartridge 10 and handling precautions A label area 10a that can be used to display items such as a message indicating that the optical disc 1 can be taken out and that initial performance may not be continued when the optical disc 1 is taken out is provided.
The label areas 10a may be provided at two or more locations as needed. As is clear from the drawings, the label area 10a is provided on the half case 13 whose outer surface faces upward in the disk cartridge 10 shown in FIGS.

When the shutter described below is opened, the cartridge body 11 exposes a part of the optical disk 1 housed therein, thereby allowing access to an optical head device (not shown) of a recording / reproducing device (not shown). Window 11c. The window 11c has a shutter guide area of a predetermined size including a central portion of the half case 13 (14) recessed by a predetermined amount from the outermost surface (outer surface) for guiding a shutter described below. 13a (14a). The window 11c is shielded when not in use by the shutter 15 that is moved along the shutter guide area 13a (14a).

The rear end face 1 of the two sides orthogonal to the front end face 11a and the rear end face 11b of the cartridge body 11, respectively.
1b, a notch 11d for holding each of a lock claw and a pressurizing portion, which will be described later in detail with reference to FIG. 3, provided integrally with the lid 12 used to connect the lid 12 and the cartridge body 11, A rotation fulcrum (opposed notch) 11e is provided. An insertion slot 11f used as a guide groove when the cartridge main body 11 (disk cartridge 10) is inserted into a recording / reproducing device (not shown) is provided near the front end surface 11a of the surface of the cartridge main body 11 where the notch 11d is provided. Are formed. 4 is provided on the front end surface 11a side of the cartridge body 11.
The spring accommodating portion 11g into which the shutter spring 16 described with reference to FIG.
An opening 11h for inserting the disc cartridge 10 is provided on both sides perpendicular to the front end face 11a. The disk cartridge 10 is temporarily loaded at the time of automatic loading (replacement) by a recording / reproducing apparatus with an automatic loading and automatic exchange (autoloading) mechanism (not shown). Are provided with a pair of detents 11k and 11l which are used for positioning. The detents 11k and 11l are formed from the half case 14 to the half case 13,
When the cartridge body 11 is viewed from the half case 13, the cartridge body 11 is not penetrated.

The rear end face 1 of the cartridge body 11 has two side faces orthogonal to the front end face 11a and the rear end face 11b, respectively.
In the vicinity of the notch 11d closer to 1b and the rotation fulcrum 11e, it is held by a gripper (not shown) of the recording / reproducing device (not shown) at the time of automatic loading (replacement) by a recording / reproducing device having an automatic loading and automatic exchange (autoloading) mechanism (not shown). A pair of gripper slots 11i and 11j are provided. In addition, each gripper slot 11i, 11j
The cartridge body 11 is formed from the half case 14 to the half case 13, and is not penetrated when the cartridge body 11 is viewed from the half case 13.

As will be described in detail later with reference to FIG. 4, the shutter 15 is constantly urged toward a position where the window 11c is shielded by two shutter springs 16 located on both sides of the window 11c. At the same time, it is formed so as to be movable to an open position shown in FIG. In addition, the shutter 15 is a shutter support that projects a predetermined length toward the window 11c from a predetermined position near the rear end face 11b and substantially at the center in the left-right direction of each half case, that is, the cartridge body 11 in FIG. Projections 13c of each half case formed so as to cover a free end (not shown) of the shutter 15 when viewed from a direction orthogonal to the label area 10a.
(14c) allows the shutter guide area 13a (14
a), the shutter guide area 1
Undesirably turning or lifting from 3a (14a) is prevented.

At the center of the optical disc 1 housed in the cartridge body 11, as shown in FIGS. 11 and 12, a clamp area 3 connected to a spindle motor (not shown) of a recording / reproducing apparatus (not shown) is provided. ing.
The clamp area 3 and a part of the optical disk 1 are
As shown in FIG. 2, when the shutter 15 is opened, it is exposed through the window 11c.

The projection 13 is located near the rear end face 11b of each half case 13 (14) of the cartridge body 11.
The region closer to the rear end surface 11b than c is formed as a thin portion 13d (14d) having a small thickness, as will be described in detail with reference to FIGS. I have. A predetermined position in the left and right direction of the cartridge body 11 near the rear end surface 11b of the thin portion 13d is
For example, a rectangular cutout portion 13e for receiving a handle portion of the lid 12 described below from the cartridge body 11 is provided.

The thin portion 13d also has an opening 13f for enabling the write protector of the lid 12 to be described below with reference to FIG. 3 and a display hole into which a disc take-out display mechanism to be described later with reference to FIG. 13h is provided.

Next, the features of the lid 12 will be described in detail with reference to FIG. As shown in FIG. 3, the lid 12 has a movable projection used as a write protector, which will be described later with reference to FIG. 7, for transmitting the prohibition and permission of writing information to the optical disc 1 to a recording / reproducing device (not shown). 20 are formed. When the movable projection 20 is located at a position where writing of information described in detail later with reference to FIG. 7 is prohibited, a first line connecting the centers of a location hole 21 and an alignment hole 22 described below. Min L
1 on a third line segment L3 defined in parallel with L1 at a predetermined distance D1, perpendicular to the first line segment L1, and passing through the center of the disc takeout display hole 23. Line segment L
2 at a predetermined distance D2.

When the cartridge 10 is loaded into a recording / reproducing device (not shown), the lid 12 is brought into contact with a predetermined area provided on the recording / reproducing device side so that the cartridge 10 is moved to a predetermined position of the recording / reproducing device. A location hole 21 for controlling the position of the cartridge 10 to be located;
Further, an alignment hole 22 for regulating the position of the cartridge 10 so that the cartridge 10 in the recording / reproducing apparatus is located at a predetermined position of the recording / reproducing apparatus together with the location hole 21 is opened.

The lid 12 is further provided with a disc removal indication hole 23 indicating that the disc has been released from the cartridge body 11 at least once, that is, the optical disc 1 has been removed from the disc cartridge 10.

Further, the lid 12 is provided with a recording / reproducing apparatus having an automatic loading mechanism so that the disk cartridge 10 can be automatically loaded by a recording / reproducing apparatus having an automatic loading mechanism (not shown). A pair of gripper slots 24a and 24b that are connected to two grippers that are not formed are formed.

The lid 12 has a lock claw 25 and a lock claw 2 for locking the lid 12 to the cartridge body 11.
5 and a predetermined pressure toward the lock claw 2.
When the cover 5 is released, a pressurizing portion 26 is formed to prevent the cover 12 from being instantaneously detached (from the cartridge body 11). The pressurizing section 26 is used for the cartridge body 1.
By urging the lock claw 25 toward the first notch 11d, the lock claw 25
When the is removed, the lid 12 can be prevented from rapidly separating (falling) from the cartridge body 11. Immediately after the lock claw 25 is released from the notch 11d by an external force, the pressing portion 26 rotates the lid 12 by a predetermined angle around the contact portion that contacts the rotation fulcrum 11e. The contact with the pivot 11e is released. In this case, when the lid 12 is rotated by approximately 3 ° (that is, the lid 12 is opened from a state where the lid 12 is connected to the cartridge body 11), the pressurizing unit 26 is separated from the rotation fulcrum 11e (as a result, 3.) The lid 12 is separated from the cartridge body 11.

The cover 12 also has a structure shown in FIG. 10 for preventing the optical disk 1 housed in the cartridge 10 from undesirably dropping (falling) when the cover 12 is detached from the cartridge body 11. A plurality of fins 27a, 27b, 27
are integrally formed.

At one end of the lid 12, the cartridge main body 11 is located at a predetermined position in an area (ridgeline) that provides the rear end 11 b of the cartridge main body 11 when the lid 12 is combined with the cartridge main body 11. The lids 12 correspond to the notches 13e, 14e provided in the thin portions 13d, 14d of the half cases 13, 14, respectively.
The handle 30 is formed to be thicker than the main body. Note that the handle portion 30 has a recess of an arbitrary shape that can be scratched by a user's nail so that the lid 12 can be easily removed from the cartridge body 11.

At a predetermined position of the lid 12, an identifier display area 31 is formed in which a serial number or an identification symbol can be presented by engraving, molding, or labeling. Note that the identifier display area 31 may be divided into two or more places as necessary.

The lid 12, like the cartridge main body 11, is associated with a color of a display surface of the optical disc 1 described later, and is colored, for example, in a predetermined color assigned to each specific quantity. Therefore, each of the optical disk 1, the cartridge body 11 (half cases 13, 14) and the lid 12 is packaged based on a plurality of combination colors specified by a predetermined permutation or combination. For this reason, for example, even if the optical disk 1 is simultaneously removed from the plurality of cartridges 10, it can be stored in the original cartridge.

FIG. 4 is a schematic diagram showing a state in which the disk cartridge 10 shown in FIGS. 1 and 2 is separated by using first and second half cases 13 and 14 for providing a cartridge body 11 and a shutter 15 as a unit. FIG.

As shown in FIG. 4, the inner surface of the first and second half cases 13 and 14 has a front end portion 11a (in a state of being joined as the cartridge body 11) of an outer edge of each half case. And the thin portion 13d described above,
A rib 13m of a predetermined height over almost the entire circumference except for 14d
(It is difficult to see because it is the back direction, see FIG. 5), 14 m
Are formed. The ribs 13m and 14m constitute side walls and a structural wall of the cartridge main body 11, and prevent the recording surfaces of the optical disks housed therein from coming into contact with the half cases 13 and 14, respectively.

Further, on the inner surfaces of the half cases 13 and 14, further inside the outer edges where the ribs 13m and 14m are formed, the positions of the optical disks 1 housed in the respective cases 13 and 14, ie, the cartridge 10, are regulated. The annular ribs 13n and 14n are formed integrally.

Further, in the half cases 13 and 14, the front end faces 11 of the openings 13b and 14b defining the window 11c in a state where the cartridge body 11 is assembled.
The ribs 13m and 14m and the annular ribs 13n and 14n
In addition, bridge portions 13o and 14o that define a range in which the shutter spring 16 can move are provided. The bridge portions 13o and 14o form a pair of spring housing portions 11f for housing the springs 16 already described in FIGS. The bridge portions 13o and 14o are formed by ribs 13m and 14m and annular ribs 13n and 14n.
Are also used to secure the strength of the cartridge body 11 formed by connecting the.

The area corresponding to the spring accommodating portion 11f has an opening 13g formed near the front end face 11a of the cartridge body 11, and after the half cases 13 and 14 are connected, the spring 16 is moved to the front end. It is formed so that it can be inserted from the surface 11a side. The spring 16 is held by a spring receiving portion (not shown) provided at a predetermined position of each of the spring housing portion 11f and the shutter 15 provided by joining the respective half cases, so that the spring 16 protrudes from the cartridge body 11. Instead, the shutter 15 is always located at a predetermined position in the spring accommodating portion 11f, and constantly presses the shutter 15 toward the shutter shielding position.

FIG. 5 is a schematic plan view for explaining features inside the half case 13. As shown in FIG. 5, the first half case 13 has a thin portion 13d already described,
The notch 13e and the opening 13f for allowing a force in a predetermined direction to be applied from the outside so that the movable projection 20 of the lid 12 can be switched between a first position and a second position described later with reference to FIG. In cooperation with the disc ejection indicator hole 23 of the lid 12, the fact that the optical disc 1 has been ejected from the disc cartridge 10 (the lid 12 has been detached from the cartridge body 11) indicates that the recording / reproducing apparatus (not shown) has an unillustrated disc ejection. A display hole 1 in which a disc take-out display mechanism described in detail in FIG.
3h, bridge portion 13o, rib 13m and annular rib 13n that provide spring accommodating portion 11f when assembled as cartridge body 11, gripper slot 2
A pair of left and right concave portions (non-penetrating) 13 corresponding to 4a and 24b
s and 13t, and side walls 13p and 13q that provide a notch 11d and a pivot 11e. The surface facing outward when assembled as the cartridge body 11, that is, the surface shown as the back surface in FIG.
A recess 13r is provided to provide a label area 10a when assembled as a disc cartridge 10.

The opening 13f is orthogonal to the first line segment L1 connecting the centers of the location hole 21 and the alignment hole 22 of the lid 12, and is located at the center of the disc takeout display hole 23 (disc takeout display portion 13h). A region where a predetermined state is detected by a detector of a recording / reproducing device (not shown) positioned at a distance D1 from the first line segment L1 on the passing second line segment L2, that is, a region shown in the half case 14 of FIG. The second position of the movable projection 20 of the lid 12 on the third line segment L3 defined in parallel with the first line segment L1 through the center of 14x and at a distance D2 from the second line segment L2. The thin portion 13d is cut out in such a shape that can be positioned. It goes without saying that each line segment has the same relationship as the line segments L1 to L3 in the lid 12 already described with reference to FIG.

FIG. 6 is a schematic plan view for explaining features inside the half case 14. As shown in FIG. 6, the second half case 14 includes the thin portion 14d already described,
The notch 14e and the opening that does not prevent the movable protrusion 20 from moving to an arbitrary position so that the movable protrusion 20 of the lid 12 can be switched between a first position and a second position described later with reference to FIG. (Notch) 14f, bridge portion 14o providing spring accommodating portion 11f in an assembled state as cartridge body 11, opening 141 allowing rib 16 to be inserted into spring accommodating portion 11f, rib 14m, and annular rib 14n. And the location hole 21 and the alignment hole 2 by being combined with the lid 12 shown in FIG.
2, the optical disk 1 is removed from the disk cartridge 10 in cooperation with the through holes 14g and 14k that provide openings that do not interfere with the holes 21 and 22, and the disk removal indicator hole 23 of the lid 12. The disc removal display unit (opening) 14 that presents the fact that the lid 12 has been removed from the cartridge body 11 by a disc removal detector (not shown) of the recording / reproducing device (not shown) so as to be detectable.
h, a pair of left and right notches 14i and 14j corresponding to the gripper slots 24a and 24b, and detents 11i and 1
1j, a pair of left and right cutouts 14s and 14t,
5 and the notch 11d of the cartridge body 11 and the rotation fulcrum 1
It has side walls 14p and 14q that provide 1e.

The opening 14f is perpendicular to the first line segment L1 connecting the centers of the location hole 21 and the alignment hole 22 of the lid 12, and is provided with a disc takeout display hole 23 (the disc takeout display mechanism 1 of the half case 13).
3h) on the second line segment L2 passing through the center of the first line segment L1
A third line segment L defined in parallel with the first line segment L1 through the center of the area 14x in which a predetermined state is detected by a detector of a recording / reproducing device (not shown) located at a distance D1 from the distance
3, a shape that allows the second position of the movable projection 20 of the lid 12 to be located at a distance D2 from the second line segment L2,
The thin portion 14d is notched. Note that the recording / reproducing device (not shown) is provided on the third line segment L3 in an axially symmetric manner with the second line segment L2 as a symmetry axis with respect to the position where the second position of the movable projection 20 of the lid 12 is located. An area 14y in which a predetermined state is detected by the detector is secured. Each of the line segments has the same relationship as the line segments L1 to L3 of the lid 12 already described with reference to FIG.

FIG. 7 is a schematic diagram illustrating a write protector formed integrally with the lid 12 shown in FIG. Although FIG. 7B is a partial cross-sectional view taken along line BB in FIG. 3, it goes without saying that it corresponds to a partially enlarged cross-section of the write protector in FIG. 7A. Nor.

Write protector, ie, movable projection 20
As shown in FIG. 7A, the cartridge body 11
The first position 20a for transmitting the prohibition or permission of writing data to the optical disk 1 accommodated in the (disk cartridge 10) to a write detection device (not shown) of a recording / reproducing device (not shown) and writing of data to the optical disk 1 Second position 20b for transmitting permission to write detection device
Either one of them is formed so as to be stationary. Also, as shown in FIG. 7B, when the half case 14 is positioned on the optical head device (not shown) of the recording / reproducing device (not shown), the write protector 20 has an arrow from the half case 13 side. When a load indicated by D is applied to the concave portion 20d, the protrusion that enables smooth movement between the first position 20a and the second position 20b and prevents the write protector 20 from moving undesirably. 20c
Are formed integrally. In addition, the protrusion 20c is
The first position 20a or the second position is formed by contacting a thin stopper 12b slightly protruding from an opening 12a which is a main body portion of the light protector 20 and defining an area where the write protector 20 can move. It is held at one of the positions 20b. Further, the disk cartridge 1 is attached to the arm 20e.
The first position 20a for presenting write inhibition during non-operation so that the write protector 20 does not present write permission even if 0 is dropped or an undesired vibration is given. Are provided and the shape and elasticity can be set as the initial position. Stopper 1
2b is formed so as to compete with the protrusion 20c of the write protector 20 when viewed from a direction perpendicular to the recording surface of the optical disk housed in the cartridge (see FIG. 7A). In the direction (see FIG. 7B), the protrusion 20 is formed in a region corresponding to the first position 20a, that is, a portion thinner than the main body of the lid 12.
When the write protector 20 indicates permission to record data, the write protector 20 is slid to the end (the second position 20b) of the stopper 12b. The second position 20b is located between the location hole 21 of the lid 12 and the alignment hole 2 as described above with reference to FIGS.
2 is perpendicular to the first line segment L1 connecting the centers of the discs 2 and the disc ejection display hole 23 (the disc ejection display section 14).
h) a third line L2 that is further orthogonal to the second line segment L2 passing through the center
Is set at a position where the distance from the second line segment L2 is D2.

FIG. 8 is a partial schematic cross-sectional view showing an example of the disk removal display mechanism. As shown in FIG.
The disc ejection display mechanism 40 is provided in the cartridge body 1.
First and second half cases 13, 14 providing 1
Arrow D in the space between the thin portions 13d and 14d of
By being inserted from the (half case 13) direction, the sensor detection surface 40a is presented on the disk removal display unit 14 of the half case 14.

The side opposite to the sensor detection surface 40a of the disc removal and display mechanism 40 is, for example, an arbitrary tool (automatic driver) when inserted from the display hole 13h of the half case 13 toward the display portion 14h of the half case 14. Alternatively, the working surface 40b having a shape suitable for insertion or pressurization by a hammer or the like is formed into a shape corresponding to, for example, a driver bit or a predetermined shape represented by a knurled surface. The working surface 40b
Is the main body (body) 40 of the disc removal and display mechanism 40
c is formed to have a slightly larger diameter than the half case 1
3 by contacting the flange portion 13w provided integrally with the display hole 13h of the thin portion 13d.
4 so that the gap between the sensor surface 40a and the outer surface of the half case 14 is preferably 0.2 mm or less. Set the position in.

The body 40 of the disc removal and display mechanism 40
Further, c is provided with a plurality of return preventing protrusions 40d radially diffused at a predetermined ratio in any one direction. The return prevention projection 40 d is provided on the operation surface 40 of the display mechanism 40.
When a predetermined pressure is applied to b from the direction of arrow D, the sensor surface 40a penetrates the display hole 13h of the half case 13 and enters the display portion 14h of the half case 14, and the sensor surface 40a When the outer surface of the case 14 is substantially flush with the outer surface, the display hole 1 of the half case 13
3h, radially diffuses inside the inner surface of the half case 13 after passing through the flange portion 13w, and the display mechanism 40
Is prevented from returning to the half case 13 side.
In addition, the return prevention protrusion 4 in the body 40 c of the display mechanism 40.
0d is not provided, that is, the return preventing protrusion 40
When d is diffused, the resistance portion 40e that comes into contact with the flange portion 13w is slightly larger or smaller than the inner diameter of the flange portion 13w, as described below in detail with reference to FIG.
formed into a taper whose diameter gradually increases toward b,
The display mechanism 40 is undesirably rotated or returned.
Is used to prevent the sensor surface 40a from retreating to the inner surface side of the half case 14 due to the deformation.

FIG. 9 is a schematic diagram showing the disk removal and display mechanism 40 shown in FIG. As shown in FIG. 9, the disc take-out display mechanism 40 includes the sensor surface 40a, the use surface 40b, the body 40c,
It has a return preventing projection 40d and a resistance portion 40e. FIG. 9 shows a state in which the return prevention protrusion 40d is diffused, and the recess 4 that allows the return prevention protrusion 40d of the display mechanism 40 to pass through the display hole 13h of the half case 13.
0f can be confirmed. Further, the resistance portion 40e shown in FIG.
Corresponds to an area on the peripheral surface of the body 40c where the return preventing projection 40d is not provided.

The cartridge removal unit 40 shown in FIG. 8 and FIG.
Half case 1 to separate the
When an external force greater than a predetermined magnitude is applied from the direction of arrow D to the action surface 40b of the display mechanism 40 exposed from the display hole 13h of the third case 13, the flange portion 1 of the half case 13
3w is deformed to the inside of the cartridge body 11, and the body 40c of the disc removal and display mechanism 40 is
Is pushed out toward the display section 14h. Hereinafter, the torso 40
As c passes through the display section 14h of the half case 14, the return prevention projection 40d is pushed into the recess 40f, and the resistance portion 40e comes into contact with the display section 14h of the half case 14. In this state, when an external force is further applied to the action section 40b, the action section 40b passes through the display section 14h of the half case 14, and the display mechanism 40 is discharged to the outside of the cartridge body 11.

At this time, when the cartridge body 11 is viewed from the side of the half case 14, the disc take-out indication hole 23 of the lid 12 is exposed as a through-hole, and is detected by a contact-type detection mechanism (not shown) of the recording / reproducing apparatus (not shown). A recess having a predetermined depth is provided. As a result, the lid 12 of the disk cartridge 10 is
1 is released (the optical disk 1 contained in the disk cartridge 10 is removed at least once). Note that, even when the lid 12 is inserted (set) again, the disc removal display hole 23 becomes an opening.

Further, the disc ejecting and displaying mechanism 40
When the disc cartridge 10 is loaded into a recording / reproducing device (not shown), the disc cartridge 10 is formed to be ejected to the half case 14 side by applying an external force from the half case 13 side which is directed upward. When the opening 40 is used, it is possible to apply an external force for taking out the target optical disc 1 while visually checking a label (not shown) located in the label area 10a (13r) of the half case 13. This can reduce undesired removal of the optical disk from an unintended disk cartridge.

FIG. 10 shows that the lid 12 shown in FIG.
It is a schematic sectional drawing which shows the state cut | disconnected by C. As shown in FIG. 10, a plurality of lids 12 are arranged so as to be substantially parallel to the recording surface of the optical disc 1 in the cartridge main body 11 while being positioned between the cartridge main body 11, that is, the cases 13 and 14. Fall prevention fins 27a, 27
, 27c,...

The fall prevention fins 27a, 27b, 27c,
Are arranged so that the recording surface of the optical disk is sandwiched between adjacent fins. Each of the fall prevention fins 27a, 27b, 27c,... Is provided with a hole, a notch or a claw provided in each part of the lid 12, that is, the movable projection 20, the location hole 21, the alignment hole 22, and the disk takeout display hole. 23, the gripper slots 24a and 24b, the lock claw 25, the pressurizing portion 26, the data display windows 28 and 29, and the notch of the entire area (body portion) of the cover 12 (not shown in detail) can be machined from the same drawing direction. , The amount of protrusion, the draft angle, or the distance between them is set.

FIG. 11 is a schematic diagram showing an optical disk housed in the disk cartridge shown in FIGS. The optical disk 1 has a disk medium (support) 2 made of a resin formed in a disk shape. At the center of the disk medium 2, there is provided a clamp area 3 which is rotatably held by a turntable (not shown) of a rotating shaft of a spindle motor (not shown) of a recording / reproducing apparatus (not shown).

On one surface of the disk medium 2, for example, a reflective layer 4 provided by vapor deposition or coating, a phase change type recording layer 5 provided on the reflective layer 4 to a predetermined thickness by vapor deposition or sputtering, etc. A transparent protective layer 6 is formed in a predetermined thickness on the surface of the phase change type recording layer 5 by a coating method or the like to prevent the recording layer 5 from being exposed to the air and protect the recording layer 5. I have. On the surface of the disk medium 2 on the side facing the reflective layer 4, predetermined indications related to the classification or standard of the optical disk 1 and precautions for handling are provided by, for example, printing or simultaneous molding or labeling. Is displayed.

FIG. 12 is a schematic view of the optical disc 1 shown in FIG. 11 as viewed from the side opposite to the recording layer 5. FIG.
As shown in FIG. 2, the optical disc 1 is formed so that the recorded data can be read out by taking it out of the disc cartridge 10 even in a read-only device in which data cannot be written.

However, when the optical disc 1 is of a recordable type, it is possible that even if the optical disc 1 is taken out of the cartridge 10 even once, there is little dust or dust which may adhere to the optical disc, or may occur on the protective layer 5 of the optical disc 1. There is a possibility that an area where data cannot be recorded may be generated due to a certain minor scratch or the like, or data may be recorded while avoiding this area, so that the writing speed may be reduced.

Therefore, a predetermined area on the surface of the optical disk 1 facing the reflective layer 3 of the disk medium 2, that is, the visual information display area 7, has a predetermined display related to the classification or standard of the optical disk, for example. In addition, notes on handling and the like are displayed by printing, labeling, simultaneous molding, or the like, so that the user can view them. The visual information display area 7 is formed concentrically with the clamp area 3 around a predetermined area of the disk medium, for example, around the clamp area 3 of the disk medium 2.

On the surface on which the visual information display area 7 is formed, when the optical disk 1 is removed from the disk cartridge 10, which of the cartridges the currently removed disk has been removed from, or the disk Are simultaneously formed, an index area 8 is formed in which individual information, ie, an index, for categorizing each disc so as to be accommodated in the original cartridge, that is, an index, is visible to the user. The index area 8 enables writing of information with a felt pen (oil-based ink) or a pencil, for example. The index area 8 has a lower reflectivity than the material of the disk medium 2 and a writing medium provided by a pencil or the like can remain. A high coefficient of friction is provided by a given ink or surface treatment. The index area 8 is
It goes without saying that it may be colored in a predetermined color by printing or labeling.

FIG. 13 is a schematic diagram showing another example of the disk ejecting and displaying mechanism shown in FIGS. 8 and 9. FIG.
As shown in FIG.
The first structure 141 that provides the sensor detection surface 140a located on the half case 14 side of the cartridge body 11 that faces the recording / reproducing apparatus (not shown), and the first structure 141 And a second structure 142 inserted from the side of the half case 13 opposite to the side of the cartridge body 11 facing the recording / reproducing apparatus (not shown).

The first structure 141 is a sensor detection flat surface portion 141a which becomes the sensor detection surface 140a in a state where the first structure 141 is combined with the second structure, and is similarly displayed in a state where it is combined with the second structure. A second structure 142 having a hollow cylindrical portion 141c that provides a body 140c of the mechanism 140;
Is the display mechanism 1 in a state combined with the first structure.
A flat portion 142b that can be used as an operating surface 140b for receiving an external force for ejecting the disc 40 from the disc cartridge 10, and also a body 140c of the display mechanism 140 formed in a state combined with the first structure, One structure has a hollow cylindrical portion 142d inserted into the hollow cylindrical portion 141c. The hollow cylindrical portion 14
2d does not necessarily need to be hollow, and is provided as needed according to the material or shape characteristics of the second structure 142.

The hollow cylindrical portion 142d of the second structure 142
When connecting the first structure 141 and the second structure 142 between the first structure 141 and the plane portion 142b, the second structure 14
When air remains inside the second hollow cylindrical portion 142d, an action like an air spring is generated between the hollow cylindrical portion 141c of the first structural body 141 and the hollow cylindrical hollow portion of the first structural body 141. A ventilation hole 142e is provided to prevent the workability of inserting the hollow cylindrical portion 142d of the second structure 142 into the 141c to be deteriorated. However, the vent hole 142e is not necessarily required due to the characteristics of the material or shape of the second structure 142. In addition, the disc removal display mechanism 140 is connected to the flat portion 142 b of the second structure 142 by being connected to the first structure 141.
In the case of constructing, from the side of the display hole 13h of the half case 13, for example, it is suitable for insertion or pressurization by an arbitrary tool (such as an automatic driver or a hammer).
For example, a concave portion 142f having a shape corresponding to a driver bit
Is provided.

FIG. 14 is a schematic sectional view showing a state in which the disk ejecting and displaying mechanism 140 shown in FIG. 13 is mounted on the disk cartridge shown in FIGS. Since FIG. 14 is an example of replacement of the disc ejecting and displaying mechanism 40 shown in FIG. 8, the same components as those shown in FIG. 8 are denoted by the same reference numerals, and detailed description is omitted.

As shown in FIG. 14, the disc ejecting / displaying mechanism 140 is provided on the flat portion 14 of the first structure 141.
1a is set on the assembly reference plane so as to be in close contact with the assembly reference plane (not shown). That is, it is set on the assembly reference surface so that the sensor detection surface 140a can be presented to a detection sensor (not shown) in a state of being loaded in a recording / reproducing device (not shown).

Next, the half case 14 positioned on the side of the detection sensor (not shown) is set so that the outer surface thereof faces the assembly reference surface (not shown) in a state where the half case 14 is loaded in the recording / reproducing apparatus (not shown).

Subsequently, the lid 12 is attached to a predetermined position of the half case 14, and the half case 13 connected to the half case 14 is positioned and set to the half case 14 so that the lid 12 is located inside. You.

In this state, the hollow cylindrical portion 142c of the second structure 142 is attached to the hollow cylindrical portion 141c of the first structure 141.
d is inserted. At this time, the second cylindrical member 142c of the first structural member 141 is held until the second structural member 142 hits the flange portion 13w of the display hole 13h of the half case 13.
Is inserted into the inner periphery of the. Thereby, the first structure 14
The disc removal display mechanism 140 is formed such that the first sensor detection surface 141a is located at a position substantially matching the outer surface of the half case 14. The disc take-out display mechanism 140 corresponds to each of the first and second structures 141 and 142 in a state in which, for example, the half cases 14 and 13 and the lid 12 are suspended in an arbitrary direction, for example. It may be inserted simultaneously or in a predetermined order from the outer surface side of the half case.

The disk ejecting and displaying mechanism 140 shown in FIG. 14 is used, for example, when the lid 12 is detached from the cartridge body 11 to eject the disk.
When an external force larger than a predetermined magnitude is applied to the action surface 140b of the display mechanism 140 exposed from the display hole 13h, the flange portion 13w of the half case 13 is deformed inside the cartridge body 11, and the disk removal display mechanism The body 140c of the body 140 is pushed out of the display part 14h of the half case 14. Hereinafter, the body 140c and the working surface 1
40b is penetrated through the display part 14h of the half case 14,
The display mechanism 140 is ejected outside the cartridge body 11.

At this time, when the cartridge body 11 is viewed from the side of the half case 14, as in the case shown in FIG. 8, the disc removal indication hole 23 of the lid 12 is exposed as a through hole, and A recess of a predetermined depth is provided for detection by a non-contact detection mechanism.
Accordingly, it is presented that the lid 12 of the disk cartridge 10 has been released from the connection with the cartridge body 11 at least once (the optical disk 1 contained in the disk cartridge 10 has been taken out at least once). Note that, even when the lid 12 is inserted (set) again, the disc removal display hole 23 becomes an opening. Also,
As described with reference to FIG. 8, the disk ejecting / displaying mechanism 140 is configured such that an external force is applied from the half case 13 that is directed upward when the disk cartridge 10 is loaded into the recording / reproducing device (not shown), 1
4 is formed so as to be ejected to the side, and when the disc removal display mechanism 140 is used as an opening, a desired label (not shown) located in the label area 10a (13r) of the half case 13 is visually checked. An external force for taking out the optical disk 1 can be applied. This can reduce undesired removal of the optical disk from an unintended disk cartridge.

[0078]

As described above, according to the present invention,
An optical disk as a recording medium is housed in a disk cartridge having an opening / closing mechanism. An optical disk can write data in a state housed in a cartridge,
Moreover, by taking out the cartridge, data can be reproduced by a read-only disk device. As a result, data on an optical disk on which data has been written by a certain user can be shared by users having only a read-only disk device.

Further, since it is notified by the disk removal display mechanism that the optical disk has been removed from the cartridge at least once, data is additionally written on the optical disk once removed, or data already recorded is erased. Thus, it is possible to give the user recognition of a reduction in speed which may occur when new data is recorded. In addition, since the disc removal display mechanism is configured to discharge the disc cartridge from the label surface side toward the rear side, the label can be checked when the display mechanism is operated for removing the disc. This can reduce undesired removal of the optical disk from an unintended disk cartridge.

Also, the disc take-out display mechanism can be formed by one-way operation from an arbitrary main surface of the disc cartridge to the other main surface, and is a separate process from the process of setting the optical disc in the cartridge. Is also possible. In this one-way operation, the outer surface of the cartridge body and the sensor detection surface of the disk removal display mechanism are inserted in the same process by inserting the disk removal display mechanism into the cartridge from the direction opposite to the side facing the sensor. They can be located substantially on the same plane.
Therefore, assembly workability and assembly efficiency are improved.

[Brief description of the drawings]

FIG. 1 is a schematic diagram showing a disk cartridge to which an embodiment of the present invention is applied.

FIG. 2 is a schematic diagram showing a state in which a shutter of the disk cartridge shown in FIG. 1 is opened.

FIG. 3 is a schematic diagram showing an example of a lid of the disc cartridge shown in FIGS. 1 and 2;

FIG. 4 is a schematic diagram showing a state in which the disk cartridge shown in FIGS. 1 and 2 is separated into two half cases, a lid, and a shutter which provide a cartridge body;

FIG. 5 is a schematic plan view for explaining features inside one half case of the disk cartridge shown in FIGS. 1 and 2;

FIG. 6 is a schematic plan view for explaining features inside the half case different from the half case shown in FIG. 5 of the disk cartridge shown in FIGS. 1 and 2;

FIG. 7 is a schematic diagram illustrating a write protector formed integrally with the lid shown in FIG. 3;

FIG. 8 is a schematic diagram showing an example of a disk removal display mechanism provided in two half cases constituting the disk cartridge shown in FIGS. 1 and 2;

FIG. 9 is a perspective view showing the features of the shape of the disk ejection display mechanism shown in FIG. 8;

FIG. 10 is a schematic sectional view showing a state where the lid shown in FIG. 3 is cut along a line BB.

FIG. 11 is a schematic sectional view of a single-sided disk accommodated in the disk cartridge shown in FIG. 1;

FIG. 12 is a schematic plan view of the single-sided disk shown in FIG. 11;

FIG. 13 is a schematic diagram showing another example of the disc removal and display mechanism shown in FIG. 8;

FIG. 14 is a schematic diagram illustrating a state in which the disk removal and display mechanism shown in FIG. 13 is incorporated between first and second half cases.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Optical disk, 2 ... Disk medium, 3 ... Clamp area, 4 ... Reflection layer, 5 ... Phase change type recording layer, 6 ... Protective layer, 7 ... Visual information display area, 8 ... Index area, 10 ... Disk cartridge, 10a ... label area, 10b ... message area, 11 ... cartridge body, 11c ... window, 11d ... notch, 11e ... rotation fulcrum, 12 ... lid, 13 ... half case, 13p ... side wall, 13q ... side wall, 14 ... Half case, 14p: Side wall, 14q: Side wall, 15: Shutter, 16: Spring, 20: Cartridge body, 21: Location hole, 22: Alignment hole, 23: Disk ejection display hole, 25: Lock claw, 26 ... Pressing part, 27a: Fall prevention mechanism, 27b: Fall prevention mechanism, 27c: Fall prevention mechanism 30 ... handle section, 31 ... identifier display area, 40 ... disk unloading display mechanism, 140 ... disk unloading display mechanism.

Claims (15)

[Claims] A first main surface parallel to a recording surface of a recording medium, a pair of left and right side surfaces connecting the two main surfaces to each other, the two main surfaces, and the two main surfaces; A cartridge body for accommodating a disk-shaped recording medium having a recording surface formed on one side and comprising two spaces surrounded by side surfaces; detachable from one of the two spaces of the cartridge body; A cover member capable of taking out the recording medium from inside the cartridge main body; and a recording medium discharge notifying means for notifying that the recording medium has been discharged at least once to the outside, The recording medium discharge notifying means is inserted through a predetermined position of the lid member from one of the two main surfaces of the cartridge body toward the other main surface thereof. Ridge. 2. A visual information recording area in which visual information such as characteristics and classification of the recording medium and a serial number is recorded.
The disc cartridge as described. 3. The disk cartridge according to claim 1, wherein the cartridge body has a visual information recording area in which visual information such as characteristics, classification, and serial number of the recording medium is recorded. 4. The disk cartridge according to claim 1, wherein said recording medium has a visual information recording area in which visual information such as characteristics and classification unique to the recording medium and a serial number is recorded. 5. The disk according to claim 2, wherein the cartridge body, the lid member, and the recording medium are colored in specific colors assigned to respective predetermined quantities. cartridge. 6. A first and second main surface parallel to a recording surface of a recording medium, a pair of left and right side surfaces interconnecting the two main surfaces, the two main surfaces, and the two main surfaces. A cartridge body for accommodating a disk-shaped recording medium having a recording surface formed on one side and comprising two spaces surrounded by side surfaces; detachable from one of the two spaces of the cartridge body; A cover member capable of taking out the recording medium from inside the cartridge main body; and a recording medium discharge notifying means for notifying that the recording medium has been discharged at least once to the outside, The recording medium discharge notifying means is inserted into the cartridge main body from one of the two main surfaces of the cartridge main body to the other main surface, through a predetermined position of the lid member, and is inserted into the cartridge main body. When notifying that the medium has been ejected, the cartridge is inserted from the one main surface side toward the cartridge main body, so that the medium is discharged from the other main surface side to the outside of the cartridge main body. The disc cartridge that will be ejected. 7. A first and second main surface parallel to a recording surface of a recording medium, a pair of left and right side surfaces interconnecting the two main surfaces, the two main surfaces, and the two main surfaces. A cartridge body for accommodating a disk-shaped recording medium having a recording surface formed on one side and comprising two spaces surrounded by side surfaces; detachable from one of the two spaces of the cartridge body; A cover member capable of taking out the recording medium from inside the cartridge main body; and a recording medium discharge notifying means for notifying that the recording medium has been discharged at least once to the outside, The recording medium discharge notifying means includes a first structure inserted into the cartridge main body from one of the two main surfaces of the cartridge main body to the other main surface, and an upper part of the cartridge main body. A second structure is inserted into the cartridge body from a main surface facing one of the two main surfaces toward the one main surface, and is inserted through a predetermined position of the lid member. A disk cartridge characterized by the above-mentioned. 8. The recording medium discharge notifying means penetrates a predetermined position of the lid member from one of the two main surfaces of the cartridge main body to the other main surface thereof, and is connected to the cartridge main body. 8. The disk cartridge according to claim 6, further comprising a plurality of projections that are inserted and radially diffuse at positions passing through one of the two main surfaces. 9. The recording medium discharge notifying means penetrates a predetermined position of the lid member from one of the two main surfaces of the cartridge main body to the other main surface thereof, and is connected to the cartridge main body. 9. A shaft part which is inserted and passes through one of the two main surfaces and has a size which is given a magnitude balanced with an external force of a first magnitude. A disc cartridge according to claim 1. 10. The recording medium discharge notifying means penetrates a predetermined position of the lid member from one of the two main surfaces of the cartridge main body to the other main surface thereof, and is connected to the cartridge main body. A shaft-shaped portion which is inserted and is provided with a second external force greater than the first magnitude of the external force so as to penetrate from one of the two main surfaces to the other main surface. 10. The disk cartridge according to claim 6, comprising: 11. A first and second main surface parallel to a recording surface of a recording medium, a pair of left and right side surfaces interconnecting the two main surfaces, the two main surfaces, and the two main surfaces. A cartridge body for accommodating a disk-shaped recording medium having a recording surface formed on one side and comprising two spaces surrounded by side surfaces; detachable from one of the two spaces of the cartridge body; A cover member capable of taking out the recording medium from inside the cartridge main body; and a recording medium discharge notifying means for notifying that the recording medium has been discharged at least once to the outside, The recording medium discharge notifying means includes a first structure inserted into the cartridge main body from one of the two main surfaces of the cartridge main body toward the other main surface, and a recording medium of the cartridge main body. A second structure inserted into the cartridge body from a main surface facing one of the two main surfaces toward the one main surface, penetrating a predetermined position of the lid member, and simultaneously or simultaneously; A disc cartridge which is inserted in a predetermined order. 12. A first and second main surface parallel to a recording surface of a recording medium, a pair of left and right side surfaces interconnecting the two main surfaces, the two main surfaces and the two main surfaces. A cartridge body for accommodating a disk-shaped recording medium having a recording surface formed on one side and comprising two spaces surrounded by side surfaces; detachable from one of the two spaces of the cartridge body; A cover member capable of taking out the recording medium from inside the cartridge main body; and a recording medium discharge notifying means for notifying that the recording medium has been discharged at least once to the outside, The recording medium discharge notifying means includes a first structure inserted into the cartridge main body from one of the two main surfaces of the cartridge main body toward the other main surface, and a recording medium of the cartridge main body. A second structure inserted into the cartridge body from a main surface facing one of the two main surfaces toward the one main surface; When notifying that the recording medium has been ejected, the first structure is further inserted toward the cartridge body, so that the first structure is ejected to the outside of the cartridge body together with the second structure. A disk cartridge characterized by being performed. 13. A first and second main surface parallel to a recording surface of a recording medium, a pair of left and right side surfaces interconnecting the two main surfaces, the two main surfaces and the two main surfaces. A cartridge body for accommodating a disk-shaped recording medium having a recording surface formed on one side and comprising two spaces surrounded by side surfaces; detachable from one of the two spaces of the cartridge body; A cover member capable of taking out the recording medium from inside the cartridge main body; and a recording medium discharge notifying means for notifying that the recording medium has been discharged at least once to the outside, The recording medium discharge notifying means includes a first structure inserted into the cartridge main body from one of the two main surfaces of the cartridge main body toward the other main surface, and a recording medium of the cartridge main body. A second structure inserted into the cartridge body from a main surface facing one of the two main surfaces toward the one main surface; When notifying that the recording medium has been ejected, the first structure is further inserted toward the cartridge body, so that the two structures of the cartridge body together with the second structure are inserted. A disk cartridge ejected to the outside of the cartridge body on a main surface side opposite to one of the main surfaces. 14. The lid member, wherein the first structure of the recording medium discharge notifying means is inserted from one of the two main surfaces of the cartridge body to the other main surface. 14. The disc cartridge according to claim 11, wherein the disc cartridge is connected to the second structure through a predetermined position of the disc cartridge. 15. The first structure of the recording medium discharge notifying means is inserted from one of the two main surfaces of the cartridge body to the other main surface, and is positioned at a predetermined position of the lid member. 15. A structure capable of discharging air between the first structure and the second structure when the structure is connected to the second structure through the structure.
A disc cartridge according to claim 1.