JPH08180640A - Recording medium housing cartridge - Google Patents

Abstract

PURPOSE: To surely and accurately read out braille by preventing such misreading that braille is read out upside down. CONSTITUTION: A brailling indication 25 for indicating a recordable time, etc., is provided on an upper surface part of the recording medium housing cartridge 5 for housing a recording disk. For this brailling indication 25, an upper part and a lower part of braille are different from each other in height from a surface part of the cartridge 5, and hence the upper and lower directions of braille can be discriminated.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a recording medium for accommodating a recording medium such as a recording disk or a recording tape on which an information signal is recorded in a state in which the information signal can be recorded or reproduced on the recording medium. Regarding storage cartridge.

[0002]

2. Description of the Related Art Conventionally, a recording disk such as an optical disk, a magnetic disk, or a magneto-optical disk, or a recording tape such as a magnetic tape, that is, a recording medium can record and reproduce an information signal with respect to the recording medium. There has been proposed a recording medium storage cartridge which is stored in a state.

The above-mentioned recording medium and the recording-medium accommodating cartridge accommodating this recording medium are a disk cartridge,
Alternatively, it constitutes a tape cartridge.

The recording medium storage cartridge is formed in a housing shape for storing the recording medium. This recording medium storage cartridge has an opening that exposes a part of the stored recording medium to the outside. This opening is opened and closed by a shutter member movably arranged on the outer surface of the recording medium storage cartridge.

When the recording medium is the recording disc, the recording medium storage cartridge has a thin casing shape having a rectangular main surface portion whose one side is substantially equal to the diameter of the recording disc. And is rotatably accommodated in the recording disk. The recording medium storage cartridge constitutes a disc cartridge together with the recording disc.

The recording medium storage cartridge is
When the recording medium is the recording tape,
A supply reel around which the recording tape is wound and a take-up reel around which the recording tape is wound are formed into a housing that can accommodate two tape reels in parallel, and each tape reel is rotatably accommodated. . The recording medium storage cartridge constitutes a tape cartridge together with the recording tape.

In the disc cartridge, the opening is formed in the main surface portion of the recording medium storage cartridge so as to expose a part of the signal recording area of the recording disc to the outside. The opening is formed in a rectangular shape extending from substantially the center of the main surface of the recording medium storage cartridge to the vicinity of one side edge of the recording medium storage cartridge.

In the tape cartridge, the opening is such that the portion of the recording tape extending from the supply reel to the take-up reel is exposed to the outside. Is formed in the part. The shutter member is made of a thin metal plate material. That is, this shutter member is formed by punching the metal plate material into a predetermined shape and then bending the metal plate material. The shutter member includes a supported plate portion movably supported by the recording medium storage cartridge,
And a lid plate portion for closing the opening portion.

That is, in the disc cartridge, the shutter member is the same as the supported plate portion formed in a substantially rectangular shape and both side edges of the supported plate portion, that is, the long side portions. And a pair of lid plate portions that are vertically installed. The shutter member is movably supported along the one side surface portion by engaging the supported plate portion with a support groove provided in the one side surface portion of the cartridge, and each of the lid plate portions of the cartridge member is supported by the shutter member. It runs along both main surfaces. Each of the lid plate portions opens and closes the opening by operating the supported plate portion along one side surface portion of the cartridge.

In the recording medium storage cartridge, the recording medium storage cartridge is provided in consideration of convenience when a visually handicapped person uses a disk cartridge or a tape cartridge having the recording medium storage cartridge. There is a display in which the type of recording medium housed in, the recordable time, the mounting direction of the disk cartridge or tape cartridge in the recording / reproducing apparatus, and the like are displayed by the unevenness formed on the surface portion.

That is, some of the recording medium storage cartridges have a display in Braille formed on the main surface by a plurality of protrusions.

[0012]

By the way, as described above, in the recording medium storage cartridge having the display in Braille on the main surface portion, the vertical direction of the Braille is not always clear.

If the Braille character is erroneously read in the vertical direction, it may be erroneously read as another character.

For example, in Braille indicating numbers,
If you read "4" upside down, you will get "8",
Similarly, there is a risk of misreading "5" as "9" and "6" as "0". Also, the remaining "1",
"2", "3", and "7" are read as the same Braille even if they are turned upside down because the arrangement of the protrusions is line-symmetrical in the vertical and horizontal directions.

Therefore, "74" is "87" and "6".
There is a risk of misreading "4" as "80" and "37" as "73".

Therefore, the present invention is proposed in view of the above-mentioned circumstances, and the display about the type of the stored recording medium, the recordable time, and the like is surely performed even when the visually impaired person uses the display. It is an object of the present invention to provide a recording medium storage cartridge that can be accurately read.

[0017]

In order to solve the above problems and achieve the above object, a recording medium storage cartridge according to the present invention is formed in a casing and stores a recording medium, and a signal recording area of the recording medium. Having an opening for exposing a part of the outside to the outside, and having a display of a character constituted by a plurality of protrusions on the main surface part, and a tip end portion of the protrusion constituting the upper part of the character and the The distance from the main surface portion is different from the tip end portion of the protrusion forming the lower portion of the character.

Further, according to the present invention, in the above-mentioned recording medium storage cartridge, the projection forming the above-mentioned character is formed in the concave portion formed on the main surface portion.

[0019]

In the recording medium accommodating cartridge according to the present invention, the tip of the protrusion constituting the upper portion of the character constituted by the plurality of protrusions on the main surface portion and the tip of the protrusion constituting the lower portion of the character. Since the distance from the main surface portion is different from each other, it is possible to discriminate the character by tactile sense in the vertical direction.

Further, in the recording medium storage cartridge, when the protrusions forming the characters are formed in the recesses formed on the main surface portion, the protrusions are prevented from protruding outward from the main surface portion. As a result, smooth mounting on the recording / reproducing apparatus and the like is realized.

[0021]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Specific embodiments of the present invention will be described below with reference to the drawings.

In this example, as shown in FIGS. 1 to 5, the recording medium storage cartridge according to the present invention is used as a recording disk 1, a so-called magneto-optical disk optical disk, or
This is an example in which an optical disc is housed to form a disc cartridge.

The magneto-optical disk has a diameter of 64, for example.
mm or larger than this, polycarbonate (polycarbonate, PC), acrylic (methacrylic resin, polymethylmethac)
A signal recording layer made of a magnetic material is adhered and formed on a disk-shaped disk substrate made of a transparent synthetic resin material such as a rylate (PMMA) or a glass material.

The signal recording layer is locally heated to a temperature higher than the so-called Curie temperature by means of irradiation of a focused laser beam or the like, and an external magnetic field is applied to this heated portion, whereby the information signal Written. The information signal thus written irradiates the signal recording layer with a linearly polarized light beam such as a laser beam, and detects the rotation angle of the polarization direction of the reflected light beam of the light beam due to the so-called Kerr effect in the signal recording layer. By doing
Can be read.

Further, the optical disc is constructed by depositing a reflective layer made of a metal material such as aluminum on a disc substrate similar to the disc substrate of the magneto-optical disc.

On the disc substrate of this optical disc, fine pit rows corresponding to information signals are formed by means such as injection molding. The information signal written on the optical disc irradiates the pit train with a coherent light beam such as a laser beam, and detects the amount of change in the light amount of the reflected light beam of the light beam due to diffusion or interference in the signal recording layer. Therefore, it can be read.

A circular chucking through hole 4 is formed in the central portion of the recording disk 1 which is the magneto-optical disk or the optical disk. Then, a disk-shaped chucking plate 2 having a diameter substantially corresponding to the chucking through hole 4 is attached to the recording disk 1 so as to close the chucking through hole 4 from the upper side. Has been. This chucking plate 2
It is formed of a magnetic metal material such as iron or stainless steel.

The recording disc 1 is formed on the upper surface of a disc table that is rotated in a disc drive device such as a disc drive device for recording or reproducing information signals on the recording disc 1. The frusto-conical projection allows positioning in the direction along the main surface of the disk substrate, that is, centering, with reference to the chucking through hole 4. Further, the recording disk 1 is attracted to the chucking plate 2 by the magnet built in the disk table and held on the disk table. At this time, the peripheral portion of the protrusion of the disc table is
The peripheral portion of the chucking through hole 4 of the recording disk 1 is contacted and supported to perform positioning in a direction perpendicular to the main surface of the disk substrate, that is, a height position.

As shown in FIGS. 1, 2 and 5, the magneto-optical disk has a recording medium storage cartridge 5 as shown in FIG.
The disk cartridge 20 is rotatably housed in the disk cartridge 20 and is used for both recording and reproduction of information signals. Further, as shown in FIGS. 3 and 4, the optical disc is rotatably accommodated in the recording medium accommodating cartridge 16 to form a disc cartridge 21 exclusively for reproducing information signals.

The recording medium storage cartridge 5 which constitutes the disc cartridge 20 for both recording and reproduction by accommodating the magneto-optical disc has an upper half and a lower half which are abutted and coupled with each other so that one side has a length of the magneto-optical disc. It is configured as a thin casing having a rectangular main surface portion that substantially corresponds to the diameter of the disk.

The recording medium storage cartridge 5 is shown in FIG.
As shown in FIG. 3, the main surface portion on the upper surface side has a magnetic head opening 23 for exposing a part of the signal recording surface of the magneto-optical disk to the outside. This magnetic head opening 2
3 is formed in a rectangular shape from the substantially central portion of the main surface portion of the upper half to the vicinity of one side edge portion of the main surface portion.

The recording medium storage cartridge 5 is also provided.
Has an optical pickup opening 22 at a position facing the magnetic head opening 23 on the lower main surface, and has a chucking opening 13 approximately at the center of the lower main surface. are doing. That is, the optical pickup opening 22 is formed in a rectangular shape from the substantially central portion of the main surface portion of the lower half to the vicinity of one side edge portion of the main surface portion. In addition, the chucking opening 13
Is formed substantially in the center of the main surface of the lower half,
As shown in FIG. 2, the chucking through hole 4 and the chucking plate 2 are exposed to the outside.

The disc cartridge 20 for both recording and reproduction is mounted by being inserted in the front direction in a disc drive device such as a disc drive device as shown by an arrow A in FIGS. 1 and 2.

In the recording medium accommodating cartridge 5 of the recording / reproducing disk cartridge 20, the magnetic head opening 23 and the optical pickup opening 22 can be opened and closed by a shutter member 6. The shutter member 6 includes upper and lower lid plate portions corresponding to the openings 23 and 22 and facing each other in parallel, and a supported plate portion connecting one end sides of the respective lid plate portions. In addition, the thin metal plate material is integrally configured.

The shutter member 6 slidably supports the supported plate portion along a guide groove portion 7 formed in one side portion of the recording medium storage cartridge 5 in the front-rear direction.

That is, the shutter member 6 has the first and second guide claws on the front end side of the supported plate portion and the third guide claws on the rear end side of the supported plate portion. ing. The guide claws are vertically provided in the same direction as the lid plate portions with respect to the supported plate portion, and are parallel to the lid plate portions. These guide claws are inserted into the guide groove portion 7. Further, on the base end side of the lower cover plate portion, which is the supported plate portion side, engaging claws are provided on the front side and the rear side. These engaging claws are engaging grooves 29 formed in the vicinity of one edge of the lower main surface of the lower half and along the edge.
Has entered.

The shutter member 6 slides rearward along one side edge of the recording medium storage cartridge 5 to open the openings 23 and 22, and slides forward from the rear side. When returned to the initial position, the respective opening portions 23, 22 are closed by the respective lid plate portions. In addition, in the upper and lower main surface portions of the recording medium storage cartridge 5, a recess 28 having a depth corresponding to the thickness of each lid plate portion is formed in a region where each lid plate portion moves. Therefore, each of the lid plate portions is located in the recess 28 so as to be flush with the main surface portion of the recording medium storage cartridge 5.

Further, a label sticking area 15 is formed on the upper main surface portion of the recording medium storage cartridge 5 in addition to the area where the concave portion 28 is formed. The label attachment area 15 is formed as a recess having a depth corresponding to the thickness of the label to be attached and having a shape corresponding to the shape of the label.

The recording medium storage cartridge 5
A braille display unit 25 for displaying characters composed of a plurality of protrusions, that is, Braille, is provided on the upper main surface portion of the.

As shown in FIGS. 1 and 5 to 7, the Braille display portion 25 is provided at the front end side in the insertion direction of the recording / reproducing / reading disk cartridge 20.

As shown in FIG. 10, each braille in the braille display portion 25 constitutes the distance from the tip of the upper protrusion 27 constituting the upper portion of the braille to the main surface portion C and the lower portion of the braille. From the tip of the lower protrusion 28
The distances to and are different from each other.

That is, the height of the upper protrusion 27 is a predetermined distance from the height of the lower protrusion 28, which is indicated by an arrow B in FIG. 10, for example, about 0.02 mm to 1 mm.
high.

As for the size of the braille, it is considered that the size conforms to various standards, as shown in FIGS. 13 to 17. That is, as shown in FIG. 13, in the case of 32 squares, the size of this Braille is that the size of one character is 4.6 mm in length, 2.1 mm in width, and the character pitch is 5.1 mm.
Has become. It should be noted that in Japan, the standard of 32 cells is currently most frequently used.

As for the size of the braille, as shown in FIG. 14, in the case of 37 squares, the size of one character is 4.0 mm in length, 1.8 mm in width, and the character pitch is 4.4 m.
It has become m. It should be noted that this standard was used in the 1960s.

Further, as for the size of the braille, as shown in FIG. 15, in the case of 45 squares, the size of one character is 3.3 mm in length, 1.5 mm in width, and the character pitch is 3.6.
mm. It should be noted that this standard was used before 1945.

As shown in FIG. 16, the size of the braille is, in the United States standard called "Giants dot", the size of one character is 6.2 mm in length and 3.1 mm in width, and Pitch is 9.8mm
Has become. It should be noted that this standard is made for the blind and the number of cells is 15.
As for the size of the braille, as shown in FIG. 17, in the Braille standard of the United States, the size of one character is 0.18 inch (4.572 mm) in length and 0.09 inch (2.286 mm) in width. The character pitch is 1/4 inch (6.35 mm).

The braille is composed of a maximum of 6 protrusions arranged in a row of 3 rows and a column of 2 columns per character, and in the case of numeral notation, if it is clear that it is a numeral, then As shown in Table 1 above, one having 1 to 4 protrusions is used.

[0048]

[Table 1]

When the Braille is a number appearing in a sentence, a symbol (an inverted L-shaped arrangement) consisting of four protrusions is added in front of the above-mentioned one to four protrusions. It is supposed to do. .

[0050]

[Table 2]

The recording medium storage cartridge 16 which stores the optical disc and constitutes the read-only disc cartridge 21 has an upper half and a lower half which are butted to each other so that the length of one side is the magneto-optical disc. Is formed in a thin casing shape having a rectangular main surface portion substantially corresponding to the diameter.

The recording medium accommodating cartridge 16 has an optical pickup opening 22 on its lower main surface for exposing a part of the signal recording surface of the optical disk to the outside. The optical pickup opening 22 is formed in a rectangular shape from the substantially central portion of the main surface portion of the lower half to the vicinity of one side edge portion of the main surface portion. Further, the recording medium storage cartridge 5 has a chucking opening 13 at a substantially central portion of the main surface portion on the lower surface side. As shown in FIG. 4, the chucking opening 13 exposes the chucking through hole 4 and the chucking plate 2 to the outside.

This reproduction-only disc cartridge 21
Is inserted and attached to a disk drive device such as a disk drive device in the forward direction as shown by an arrow A in FIGS. 3 and 4.

The reproduction-only disc cartridge 21.
In the recording medium storage cartridge 16, the opening 22 for the optical pickup can be opened and closed by the shutter member 17. This shutter member 17
Has a lower lid plate portion corresponding to the opening 22 and a supported plate portion continuously provided on one end side of the lower lid plate portion, and is integrally configured by a thin metal plate material. Has been done.

The shutter member 17 slidably supports the supported plate portion along a guide groove portion 7 formed in one side portion of the recording medium storage cartridge 16 in the front-rear direction.

That is, the shutter member 17 has first and second guide claws on the front end side of the supported plate portion, like the shutter member 6 in the recording / reproducing disk cartridge 20 described above. The supported plate portion has a third guide claw on the rear end side. These guide claws are vertically provided in the same direction as the lower lid plate portion with respect to the supported plate portion, and are parallel to the lower lid plate portion. These guide claws are inserted into the guide groove portion 7. And
On the base end side which is the supported plate portion side of the lower lid plate portion,
Engaging claws are projected on the front side and the rear side. These engaging claws are located near one side edge of the lower main surface of the lower half,
It enters into the engagement groove 29 formed along the edge portion.

The shutter member 17 slides rearward along one side edge of the recording medium storage cartridge 5 to open the optical pickup opening 22, and slides forward from the rear side. When returned to the initial position, the optical pickup opening 22 is closed by the lower lid plate portion. In the lower main surface portion of the recording medium storage cartridge 16, a concave portion 28 having a depth corresponding to the thickness of the lower lid plate portion is formed in a region where the lower lid plate portion moves. . Therefore, the lower lid plate portion is located in the recess 28, and thus is flush with the lower main surface portion of the recording medium storage cartridge 16.

The recording medium storage cartridge 16 is also provided.
A label sticking region 19 is formed over the substantially entire upper surface of the main surface portion. This label attachment area 19 is
It is formed as a recess having a depth corresponding to the thickness of the label to be attached and having a shape corresponding to the shape of the label.

The recording medium storage cartridge 1
A braille display unit 25 for displaying characters formed by a plurality of protrusions, that is, Braille, is provided on the upper main surface portion of 6, similarly to the recording medium storage cartridge 5 of the recording / playback disk cartridge 20. There is.

As shown in FIG. 3, the Braille display portion 25 is provided at the front end side in the insertion direction of the recording / reproducing disk cartridge 20.

As shown in FIG. 10, each braille in the braille display portion 25 constitutes the distance from the tip of the upper protrusion 27 constituting the upper portion of the braille to the main surface portion C and the lower portion of the braille. From the tip of the lower protrusion 28
The distances to and are different from each other.

That is, the height of the upper protrusion 27 is higher than the height of the lower protrusion 28 by a predetermined distance shown by an arrow B in FIG. 10, for example, about 0.02 mm to 1 mm.
high.

Each recording medium storage cartridge 5, 16
In, the tip of the upper protrusion 27 forming the upper part of the Braille formed on the upper main surface and the tip of the lower protrusion 28 forming the lower part of the Braille are Since the distances of are different from each other,
It is possible to discriminate the Braille in the vertical direction.

A closing operation hole 8 is formed in each of the shutter members 6 and 17 at a substantially central position of the supported plate portion toward the side. This lid operation hole 8
Is a through hole for engaging a member for closing the shutter members 6 and 17 in the disk drive device.

The guide groove portion 7 is formed so as to extend to the front end surface portions of the recording medium accommodating cartridges 5 and 16 and is open to the front end surface portions.

Inside the recording medium accommodating cartridges 5 and 16, the lock member 30 is located at one front side portion.
Is provided. The lock member 30 has a support portion having a support shaft hole, a support arm portion and a lock arm portion formed to project from the support portion, and is integrally formed of a synthetic resin material having elasticity. There is. As a material for forming the lock member, polyacetal resin (polya resin) is used.
cetal, POM) is preferred.

The lock member 30 is arranged by fitting a support shaft projecting into the recording medium storage cartridge 5, 16 into the support shaft hole. The lock member 30 locks the support arm portion in a state in which the support arm portion abuts against a wall portion projecting in the recording medium storage cartridges 5 and 16 and rotation around the support portion is blocked. The arm portion is made to face the inside of the guide groove portion 7 from the inner side. The lock arm portion is elastically biased outward by the elastic force of the lock member 30.

The lock arm portion includes the shutter member 6,
When the shutter 17 is in the closed position where the openings 23 and 22 are closed, the shutter members 6 and 17 are engaged with the first guide claws and the shutter members 6 and 17 are on the rear side, that is, the openings. It is prevented that the parts 23, 22 are moved in the direction of opening the lid.

When the lock arm portion is displaced inward against the elastic force of the lock member 30, the engagement of the shutter members 6 and 17 with the first guide claw is released. The shutter members 6 and 17 can be moved rearward. Further, when the shutter members 6 and 17 are moved to the front side from the rear open position to reach the closed position, the lock arm portion receives the first guide claw by the elastic force of the lock member 30. Engage with.

The front and rear positioning holes 9 and 10 forming a pair are formed in the lower main surface portions of the recording medium storage cartridges 5 and 16, respectively. The front-side positioning hole 9 is located in the vicinity of the edge of the front-side main surface portion of the optical pickup opening 22, and is formed in an oval shape with the major axis direction being the front-rear direction. The rear side positioning hole 10 is located near the edge of the rear side main surface of the optical pickup opening 22 and is formed in a circular shape.

Further, in the vicinity of the edge portion on the other side of the lower main surface portion rear side of each of the recording medium storage cartridges 5 and 16,
A plurality of identification holes 24 are formed. These identification holes 24 are for identifying the type and state of the recording disk 1 housed in the recording medium housing cartridges 5, 16, for example, whether or not information signals can be recorded.

A save notch 27 is provided in the recording medium accommodating cartridge 5 of the recording / reproducing disk cartridge 20 corresponding to the identification hole 24. The save notch 27 is exposed to the outside on the rear side through the operation hole 14 formed in the rear surface of the recording medium storage cartridge 5. The save notch 27 is moved and operated through the operation hole 14 to advance and retreat with respect to the inner position of one of the identification holes 24, and the depth of the identification hole 24 is changed. , Switching the identification state of whether or not the information signal can be recorded.

Further, a pair of engaging recesses 12, 12 are formed at the edges on both sides of the front side of the lower main surface portion of each of the recording medium storage cartridges 5, 16.

In the recording medium accommodating cartridge 5 of the disk cartridge 20 for both recording and reproduction, a magneto-optical disk identifying concave portion 11 is formed at the front side edge portion of the lower main surface portion. In the recording medium storage cartridge 16 of the reproduction-only disc cartridge 21,
An optical disc identification recess 18 is formed at the front edge of the lower main surface portion.

The magneto-optical disc identifying concave portion 11 and the optical disc identifying concave portion 18 have different depths from the lower main surface portion. Due to the difference in depth, the recording disk 1 accommodated therein has the magneto-optical disc described above. The disc can be discriminated from the above-mentioned optical disc.

In the disk cartridges 20 and 21 constructed as described above, since the disk cartridges 20 and 21 are mounted in the disk drive device, the shutter members 6 and 17 are supported by the shutter members 6 and 17 when they are inserted into the disk drive device. The closing operation spring arranged in the disk drive device is brought into contact with the front end of the plate portion. As this closing operation spring, for example, a spring having a bent portion which is bent in a dogleg shape so that the base end side is fixed and the tip end side is bulged toward the disk cartridges 20 and 21 side is used. be able to.

The shutter closing spring is brought into contact with the shutter members 6 and 17, and the disc cartridge 2 is closed.
The shutter members 6 and 17 are elastically displaced to the side apart from 0 and 21, and elastically press against the supported plate portions of the shutter members 6 and 17, and slide against the supported plate portions as the disk cartridges 20 and 21 move. . When the disc cartridges 20 and 21 reach a predetermined position, the bent portion is fitted and engaged with the lid operation hole 8.

Further, in the disk drive device, a shutter opening pin is fixedly arranged further inward than the shutter closing spring. When the disc cartridges 20 and 21 are inserted into the disc drive device, the shutter opening pins enter the guide groove portion 7 as the disc cartridges 20 and 21 move. The lock arms of the lock member 30 are connected to the recording medium storage cartridges 5, 1
7 is elastically displaced inward.

The shutter opening pin is attached to the front end portion of the supported plate portion while the lock arm portion is elastically displaced when the bent portion is fitted and engaged with the closing operation hole 8. Abut. In this state, when the disc cartridges 20 and 21 are further moved inward of the disc drive device, the shutter members 6 and 17 are released.
Because the front end portion of the supported plate portion is abutted by the shutter opening pin and cannot move, it is moved rearward with respect to the cartridges 5 and 16.
The openings 23, 22 are opened.

Then, the disc cartridge 20,
When 21 is ejected from the disk drive device, the shutter members 6 and 17 close the openings 23 and 22 by the movement of the cartridges 6 and 17 by the closing operation spring. Until that time, the disk drive device is held in a stopped state.

When the disk cartridges 20 and 21 are further moved in the ejecting direction after the shutter members 6 and 17 have closed the openings 23 and 22, the closing operation springs cause the disks to close. Cartridges 20, 21
The bent portion is elastically displaced in a direction in which the bent portion is further separated, and the bent portion is pulled out from the lid operation hole 8. The disk cartridges 20 and 21 thus have the shutter members 6,
After the lid closing operation 17 is performed, the disc is ejected from the disc drive device.

The recording medium accommodating cartridge according to the present invention is not limited to the above-mentioned example, but as shown in FIG.
It may be arranged and provided on the rear end side in the insertion direction of 1.

Further, as shown in FIGS. 9 and 11, the recording medium storage cartridge according to the present invention is provided with a recess 26 on the main surface of the recording medium storage cartridge 5, 16.
The Braille display portion 25 may be provided in the recess 26.

That is, the protrusions 27, which constitute the Braille character,
The reference numeral 28 is formed in the recess 26 formed on the upper main surface portion C so as not to project above the main surface portion C. Therefore, when the recess 26 is provided, the disk cartridges 20 and 21 can be smoothly mounted to the disk drive device or the like.

Even in this case, the Braille display section 25 is also used.
Each braille in FIG. 1 is a distance from the tip of the upper protrusion 27 forming the upper part of the braille to the main surface portion C and the tip of the lower protrusion 28 forming the lower part of the braille to the main surface portion C.
The distances to and are different from each other.

That is, the recess 2 of the upper protrusion 27.
The height of the lower projection 28 from the bottom surface is 6
6 is a predetermined distance, for example, about 0.02 mm to 1 mm from the height of the bottom surface of the bottom surface 6 of FIG.
high.

Further, as shown in FIG. 12, the recording medium storage cartridge according to the present invention is constructed such that the bottom surface of the concave portion 26 is an inclined surface, and the Braille display portion 25 is provided on the inclined bottom surface portion. You may.

Also in this case, the Braille display section 25 is also provided.
Each braille in FIG. 1 is a distance from the tip of the upper protrusion 27 forming the upper part of the braille to the main surface portion C and the tip of the lower protrusion 28 forming the lower part of the braille to the main surface portion C.
The distances to and are different from each other.

That is, although the upper projection 27 and the lower projection 28 have the same height from the bottom surface of the recess 26 as each other, the bottom surface is inclined, and therefore the main projection is located more than the tip. The distance to the surface portion C differs by a predetermined distance indicated by an arrow B in FIG. 10, for example, about 0.02 mm to 1 mm.

The recording medium accommodating cartridge according to the present invention may be used as a tape cartridge for accommodating a pair of tape reels around which a recording tape such as a magnetic tape is wound.

[0091]

As described above, in the recording medium accommodating cartridge according to the present invention, the tip portion of the protrusion constituting the upper portion of the character constituted by the plurality of protrusions on the main surface portion and the lower portion of the character. The distance from the main surface portion is different from that of the tip portion of the protrusion constituting the.

Therefore, each of the protrusions enables the characters to be distinguished by tactile sense in the vertical direction.

Further, in the recording medium storage cartridge, when the protrusions forming the characters are formed in the recesses formed on the main surface portion, the protrusions are prevented from protruding outward from the main surface portion. However, it is possible to realize smooth mounting on the recording / reproducing apparatus or the like.

That is, according to the present invention, the display of the type of the stored recording medium, the recordable time, etc. can be surely and accurately read even when used by a visually impaired person. A cartridge can be provided.

[Brief description of drawings]

FIG. 1 is a perspective view showing the configuration on the upper surface side of a recording / reproducing disk cartridge configured to have a recording medium storage cartridge according to the present invention.

FIG. 2 is a perspective view showing the configuration of the bottom surface side of the recording / reproducing disk cartridge.

FIG. 3 is a perspective view showing the configuration on the upper surface side of a read-only disc cartridge configured to have a recording medium storage cartridge according to the present invention.

FIG. 4 is a perspective view showing a configuration of a bottom surface side of the reproduction-only disc cartridge.

FIG. 5 is an exploded perspective view showing a configuration of the recording / reproducing disk cartridge.

FIG. 6 is a plan view showing the configuration of a 74-minute recording / reproducing disk cartridge in which a Braille display portion is provided on the front end side in the insertion direction.

FIG. 7 is a plan view showing the structure of a 60-minute recording / reproducing disk cartridge having a Braille display portion on the front end side in the insertion direction.

FIG. 8 is a plan view showing the configuration of a 74-minute recording / reproducing disk cartridge having a Braille display portion on the rear end side in the insertion direction.

FIG. 9 is a plan view showing the configuration of a 74-minute recording / reproducing disk cartridge in which a Braille display portion is provided in a concave portion on the rear end side in the insertion direction.

FIG. 10 is an enlarged sectional view of an essential part showing the shape of the Braille display unit.

FIG. 11 is an enlarged sectional view of an essential part showing the shape of a Braille display portion provided in the recess.

FIG. 12 is an enlarged sectional view of an essential part showing another example of the shape of the Braille display portion provided in the recess.

FIG. 13 is a plan view showing an array of protrusions in Braille with 32 cells.

FIG. 14 is a plan view showing an array of protrusions in 37-square braille.

FIG. 15 is a plan view showing an array of protrusions in Braille of 45 squares.

FIG. 16 is a plan view showing an array of protrusions in Braille called “Giants dots”.

FIG. 17 is a plan view showing an arrangement of protrusions in the Braille standard of the United States of America.

[Explanation of symbols]

 1 recording disc 5,16 recording medium storage cartridge 6,17 shutter member 20 recording / reproducing disc cartridge 21 reproduction-only disc cartridge 25 Braille display 27 upper protrusion 28 lower protrusion

Claims (2)

[Claims] 1. A housing is formed to accommodate a recording medium,
A recording medium storage cartridge having an opening for exposing a part of a signal recording area of this recording medium to an outside side, comprising a character display composed of a plurality of protrusions on a main surface portion, A recording medium storage cartridge in which a tip portion of a protrusion forming an upper portion and a tip portion of a protrusion forming a lower portion of the character are different from each other in distance from the main surface portion. 2. The recording medium storage cartridge according to claim 1, wherein the protrusions forming the characters are formed in a concave portion formed on the main surface portion.