JPH09128815A - Divided recording media, their holding member and recording and reproducing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable the miniaturization of a disk, reduction of disks for carrying and facilitation of disk changing work by making the min. constituting shape of the disk sectorial and forming the divided recording media capable of assembling and disassembling the sectorial disks. SOLUTION: Plural sectorial disks 10 in required number are attachable to and detachable from the disk holding member 9. Then, the recording and reproducing surfaces of the plural disks 10 fitted to the holding member 9 are formed in an approximately uniform state. Thus, by making the min. constituting shape of the disk 10 sectorial and enabling the disks in required number to be freely attached and detached, the miniaturization of the disk, reduction of the number of disks for carrying and facilitation of disk changing work can be performed, hence the disk player device having improved operability and protability can be obtained.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a divided recording medium used for recording / reproducing information, a holding member thereof, and a recording / reproducing apparatus.

[0002]

2. Description of the Related Art In recent years, various products such as optical disks, optical cards, magnetic cards, and hard disk drives have been actively developed in the fields of recording media for recording and reproducing information and recording / reproducing devices thereof.

In particular, among the recording / reproducing apparatus, the disk playing apparatus is used for various purposes such as a CD player, a CD-ROM, a multi-laser player, and the like, and the performance thereof is becoming higher, higher quality and higher added value. In particular, in the disk playing device as a recording / reproducing device using a recordable magneto-optical medium, the demand for portable and in-vehicle devices is greatly increasing, and further miniaturization, high density and multifunctionalization are required. ing. The present invention has been made on the basis of such a background as to a disc shape and a disc holding member as a recording medium of a disc playing device.

Many reports have heretofore been made on the technique relating to the disc shape and the disc holding member of the disc playing device.

A conventional disc shape and a disc holding member of a disc playing device will be described below with reference to the drawings.

FIG. 6 is a diagram for explaining a schematic configuration of a conventional disc shape and a disc holding member of a disc playing device and its operating principle. 6, 1 is a spindle motor, 2 is a mechanical base, 3 is a turntable, 4 is a centering ring, 5 is a magnet, 6 is a centering ring fixing plate, 7 is a coil spring, 8 is a clamp plate, 9 is a rubber sheet, Reference numeral 10 is a disk.

Regarding the conventional example configured as described above,
The operation will be described below. The turntable 3 is accurately attached to the spindle motor 1 fixed to the mechanical base 2. A magnet 5 is adhered to the inside of the turntable 3. The coil spring 7 and the centering ring 4 center the disk 10, and at the same time, the centering ring fixing plate 6 moves the centering ring 4 upwardly. Is restricted. Further, the disk 10 is clamped by attracting the clamp plate 8 by the magnetic force of the magnet 5. In addition, disk 1
0 is rotated at a specified number of revolutions by the spindle motor 1,
Information on the disk 10 is read by an optical head (not shown).

[0008]

However, in the above-mentioned conventional configuration, the problem that the shape of the disc that can be played is limited to a circle, the problem that only one type of disc can be played with one clamp, and the replacement is required. Problem that you always have to carry a disk for
Further, there is a problem that the disk configuration cannot be changed.

The present invention solves the above-mentioned problems of the prior art, in which the minimum configuration of the disk is fan-shaped or concentric.
By using a divided recording medium that can be freely assembled and disassembled, the size of the disc can be reduced, the number of portable discs can be reduced, and the disc replacement work can be drastically reduced, further improving operability and portability. And a holding member thereof and a recording / reproducing apparatus.

[0010]

To achieve this object, the recording / reproducing apparatus of the present invention can be assembled or disassembled only in a required number of sheets, and when a plurality of sheets of the same type are assembled, substantially the same surface is formed. Together with a recordable or reproducible divided recording medium, a holding member for fixing a plurality of divided recording media of the same type by forming substantially the same surface, and reproducing or information signal of the substantially same surface And a recording / reproducing head for recording.

As a result, a recording / reproducing apparatus excellent in operability and portability can be obtained.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION In the invention described in claim 8 of the present invention, it is possible to assemble or disassemble only a required number of sheets,
A holding member that forms substantially the same surface when a plurality of sheets of the same type are assembled, and that forms a recording medium that can record or reproduce and a plurality of divided recording media of the same type that form substantially the same surface and fix the divided recording medium. And a recording / reproducing head for reproducing the information signal on the substantially same surface of the divided recording medium or recording the information signal on the information recording medium, thereby omitting the disc replacement work. In addition, it is possible to realize a recording / reproducing apparatus with further improved operating performance by reducing the number of portable disks, and further improvement in portability.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. (Embodiment 1) FIG. 1 is a perspective view of a divided recording medium and its holding member according to Embodiment 1, and FIG. 2 is a configuration diagram of a recording / reproducing apparatus using the same.

1 and 2, 1 is a spindle motor, 2 is a mechanical base, 3 is a turntable, 4 is a centering ring, 5 is a magnet, 6 is a centering ring fixing plate, 7 is a coil spring, and 8 is a clamp plate. , 9 are disk holding members, 10 is a substantially fan-shaped disk, and 11 is a disk fixing spring.

The operation of the disk playing device as a recording / playback device configured as described above will be described below.

A plurality of discs 10 each having a fan shape can be attached to and detached from the disc holding member 9 in a required number. Disc holding member 9
Surfaces (recording / reproducing surfaces) of the plurality of disks 10 mounted on the disk 10 form substantially the same surface (the surfaces are approximately aligned).

A turntable 3 is accurately attached to a spindle motor 1 fixed to a mechanical base 2. A magnet 5 is adhered to the inside of the turntable 3. The coil spring 7 and the centering ring 4 center the disk holding member 9, and at the same time, the centering ring fixing plate 6 moves the centering ring 4 onto the centering ring 4. The stroke in the direction is limited. Further, the clamp plate 8 is attracted by the magnetic force of the magnet 5 to clamp the disc holding member 9 so that the disc 10 is rotated at a prescribed number of revolutions by the spindle motor 1 and the signal of the disc 10 is transmitted by an optical head (not shown). Read it. The optical head can be moved in the radial direction of the disk 10 by an optical head feeding device (not shown).

As described above, according to the present embodiment, the minimum configuration shape of the disk 10 is substantially fan-shaped, and only the required number of disks can be freely attached and detached, so that the disk can be downsized, the number of portable disks can be reduced, and This makes it possible to significantly reduce the disc replacement work, and realize a disc playing device with further improved operability and portability.

In the present embodiment, the rotation of the spindle motor 1 is set to the specified number of revolutions, but it may be reciprocating.

(Second Embodiment) Next, a second embodiment of the present invention will be described with reference to the drawings. FIG. 3 is a schematic diagram of a divided recording medium, a holding member thereof and a recording / reproducing apparatus according to the second embodiment.

In FIG. 3, 13 is an optical head and 14 is an optical head feeding device. The optical head feeding device 14 is movable in the radial direction of the disk 10a (X direction in the drawing).

The difference from the first embodiment is that the disk 10
The shape of a is divided into concentric circles, and the outer shape of the disk holding member 9a is made variable by this.

As described above, according to the present embodiment, the outer shape of the disk holding member 9a can be made variable by dividing the shape of the disk 10a into concentric circles, and further downsizing and portability can be achieved. It is possible to improve.

In this embodiment, the disk 10 is used.
The shape of a is concentric and circular, but may be further divided in the radial direction. That is, it may be concentric and fan-shaped.

(Third Embodiment) Next, a third embodiment of the present invention will be described with reference to the drawings. FIG. 4 is a perspective view of a divided recording medium and its holding member according to the third embodiment.

In FIG. 4, a difference from the first embodiment is that the disc 10 is connected and held by a plurality of discs 10b.
The disk holding member 9b is integrally formed with the disk holding member 9b.

According to FIG. 4, the disc holding member 9b is
One of the two fan-shaped linear portions of the disk 10b has a convex shape and the other has a concave shape. Since it is easy to devise so that a sufficient holding capacity is obtained, rather than a simple concavo-convex shape, it is omitted here.

As described above, according to the present embodiment, by connecting and fixing the disc 10b using the disc holding member 9b, it is possible to further reduce the size and thickness and reduce the cost.

(Fourth Embodiment) Next, a fourth embodiment of the present invention will be described with reference to the drawings. FIG. 5 is a schematic diagram of a divided recording medium, a holding member thereof and a recording / reproducing apparatus according to the fourth embodiment.

In FIG. 5, 9c is a disk holding member,
Reference numeral 10c is a rectangular disk, 13 is an optical head, and 14 is an optical head feeding device.

The operation of the optical card playing device as the recording / playback device configured as described above will be described below.

A plurality of discs 10c can be attached to and detached from the disc holding member 9c by the required number.

The optical head 13 is the optical head feeding device 1
4 allows movement in the X and Y directions in the figure.

Recording / reproduction of the disk 10c is performed by the optical head 1.
3 and the optical head feeding device 14, it is possible to record / reproduce a plurality of disks 10c at the same time.

As described above, according to the present embodiment, only the required number of discs 10c can be freely attached and detached, and the discs can be played at the same time, so that the number of portable discs and the disc replacement work can be greatly reduced. It is possible to realize an optical card playing device with further improved operability and portability.

In the present embodiment, the disk 10c
Although the shape of is a quadrangle, it may be another polygonal shape or a circular shape.

In each of the above embodiments, the disks 10, 10a, 10b and 10c are optical disks.
It may be a magneto-optical disk, a hard disk, or a magnetic card. Further, accordingly, the recording / reproducing head may be a magneto-optical head or a magnetic head.

[0038]

As described above, according to the present invention, the divided recording medium is formed into a fan shape or a concentric circle shape, and it is possible to assemble or disassemble only the required number of sheets. A recording medium capable of recording or reproducing data, a holding member for fixing a plurality of divided recording media of the same type to form substantially the same surface, and an information signal of the substantially same surface. With the configuration having the recording / reproducing head for reproducing or recording the information signal, the replacement work of the divided recording medium can be omitted, and the number of divided recording media to be carried can be reduced. It is possible to realize a recording / reproducing apparatus with further improved operation performance and further improve portability.

[Brief description of the drawings]

FIG. 1 is a perspective view of a divided recording medium and its holding member according to a first embodiment of the present invention.

FIG. 2 is a schematic diagram of a recording / reproducing apparatus according to the same embodiment.

FIG. 3 is a schematic diagram of a divided recording medium, its holding member, and a recording / reproducing apparatus according to a second embodiment of the present invention.

FIG. 4 is a perspective view of a divided recording medium and its holding member according to a third embodiment of the present invention.

FIG. 5 is a schematic diagram of a divided recording medium, its holding member, and a recording / reproducing apparatus according to a fourth embodiment of the present invention.

FIG. 6 is a schematic diagram of a disk playing device as a conventional recording / playback device.

[Explanation of symbols]

 1 Spindle Motor 2 Mechanical Base 3 Turntable 4 Centering Ring 5 Magnet 6 Centering Ring Fixing Plate 7 Coil Spring 8 Clamping Plate 9 Disc Holding Member 10 Disc 11 Disc Fixing Spring 12 Rubber Sheet 13 Optical Head 14 Optical Head Feeding Device

Claims (12)

[Claims] 1. A divided recording medium, which can be assembled or disassembled only in a required number of sheets, and when a plurality of sheets of the same type are assembled, forms substantially the same surface and is recordable or reproducible. 2. The divided recording medium according to claim 1, wherein the divided recording medium has a substantially fan shape. 3. The divided recording medium according to claim 1, wherein the divided recording medium has a shape divided into concentric circles. 4. The divided recording medium according to claim 1, wherein the divided recording medium has a rectangular shape. 5. The divided recording medium according to claim 1, wherein the divided recording medium has a circular shape. 6. A required number of sheets can be assembled or disassembled, and when a plurality of sheets of the same type are assembled, a substantially same surface is formed, and a plurality of recordable or reproducible divided recording mediums are assembled and assembled. A holding member characterized by forming and fixing the same surface. 7. The holding member according to claim 6, wherein the holding member is integral with the divided recording medium. 8. A required number of sheets can be assembled or disassembled, and when a plurality of sheets of the same type are assembled, substantially the same surface is formed, and a recordable or reproducible divided recording medium and a plurality of sheets of the same type. A holding member for fixing the divided recording medium by forming substantially the same surface, and a recording / reproducing head for reproducing an information signal of the substantially same surface of the divided recording medium or for recording an information signal on the information recording medium. A recording / reproducing apparatus provided with. 9. The recording / reproducing apparatus according to claim 8, wherein the recording / reproducing head is an optical head for optically recording / reproducing a signal. 10. The recording / reproducing head is a magnetic head for magnetically recording / reproducing a signal.
The recording / reproducing apparatus as described in the above. 11. The recording / reproducing head is a magneto-optical head composed of an optical head capable of optically recording or reproducing a signal and a magnetic head capable of magnetically recording or reproducing a signal. The recording / reproducing apparatus according to claim 8. 12. The divided recording medium is a divided optical disk formed in a substantially fan shape or a concentric circle shape, and the holding member is a holding member for fixing a plurality of divided optical disks of the same type by forming substantially the same surface. 9. The recording / reproducing apparatus according to claim 8, wherein the divided optical disk rotates within the substantially same plane formed by being assembled by the holding member.