JPH11162143A - Fd/mo driving device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable the function of an existing FD(floppy disc) driving device and the function of an existing MO(magneto-optical disc) driving device in one device. SOLUTION: In an FD/MO driving device 1 which drives a floppy disc 2 and a magneto-optical disc, a magnetic driving head 4 into which the film-type floppy disc 2 is inserted and an optical pickup 5 which retreats into the space beneath the magnetic driving head 4 are provided. Or, in an FD/MO driving device 1 which drives a floppy disc and a magneto-optical disc, a magnetic driving head 4 which is pushed back by a magneto optical disc composed of a polycarbonate plate and an optical pickup 5 which is pressed against the recording surface of the magneto-optical disc, reflects a light and reads the reflected light are provided.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to an FD / MO drive unit, and more particularly to an FD / MO drive unit having both functions of an existing FD drive unit and an MO drive unit.

[0002]

2. Description of the Related Art Conventionally, in a computer device, a storage medium which can be easily carried is a commercially available FD-2DD.
And FD-2HD, etc., are magnetic media in which a sheet made of a magnetic material applied to a poly film is cut out into a disc shape and stored in a case. 5.25 inches and 3.5 inches are the current mainstream, and the capacity is In the case of 3.5 inches per sheet, it is at most about 1.4 MB, and the storage capacity is not large.

On the other hand, MO (Magneto Optical) refers to a magneto-optical disk formed on a polycarbonate plate, and is a readable / writable, large-capacity, portable storage medium. At present, a 3.5-inch type is available. In mainstream, the capacity is available in two types, 128MB and 230MB.
There is also a 0/640 MB type. It is possible to rewrite data 1,000,000 times or more, and save it for 10 years or more. Also,
The 5.25 inch format is used exclusively for backup because there is no compatibility between drive manufacturers. The data reading speed is slower than a high-speed hard disk, but much faster than a floppy disk. The process of writing data requires three steps of erasing, writing, and verifying, and thus takes several times as long.

[0004] As described above, both are frequently used as recording media. Japanese Patent Application Laid-Open No. 7-12052 is introduced as a conventional example combining these FD drive unit and MO drive unit. In this publication, FDD unit, HDD unit, CD / ROM
It shows that at least two storage units among storage units such as a unit, a DAT unit, a QIC unit, an MO unit, and an MD unit are integrally formed so as to overlap. As an example according to this publication, FDD
An example of a configuration in which a unit and a CD / ROM unit are combined will be described with reference to FIG. However, this CD / RO
The M unit may be replaced with an MO unit.

[0005] The FDD unit 11 and the CD / ROM unit 41 are integrated by a mounting member 42 to form an FDD-CD.
A ROM type data recording / reproducing device 40 is configured. Since the internal structure of the CD / ROM unit 41 is well-known, its illustration is omitted. CD ・
As is well known, the ROM unit 41 is configured so that a tray unit 41-1 for mounting a CD can enter and exit the CD / ROM unit 41. Tray unit 4
Since the light image 1-1 and the driving mechanism for driving the light image are well known, the description is omitted.

The FDD unit 11 is integrated with a CD / ROM unit 41 by a metal mounting member 42 so as to overlap therewith. The attachment member 42 has a plurality of attachment pieces 42-1 that are formed by bending upward so as to contact the side members on both sides of the FDD unit 11. Mounting piece 42-
1 through the hole 42-2 provided in the FDD unit 11
The attachment member 42 is attached to the FDD unit 11 by screwing the screw 14 into the screw hole 11-3 provided in the side plate of the FDD.

On the other hand, holes 42-3 are provided at the four corners of the mounting member 42, respectively. CD / ROM unit 41
Screw holes 41-2 are provided at the four corners of the upper surface plate. Screw 15 through screw hole 41-3 through hole 42-3
2, the CD / ROM unit 41 is attached to the attachment member 42. In this way, FDD
The unit 11 and the CD / ROM unit 41 are integrated via a mounting member 42.

The front plate of the FDD unit 11 and the CD / RO
The front panel of the M unit 41 is covered by a front panel 43. The front panel 43 includes an entrance 43-1 for inserting and ejecting a magnetic disk, and an eject button 11-.
Hole 43-2 for projecting the CD 2 forward, and the CD
The ROM unit 41 has an opening 43-3 for inserting and removing the tray unit 41-1.

The data recording / reproducing apparatus 40 integrated as described above is used by being incorporated in a data processing apparatus,
The unit 11 and the CD / ROM unit 41 are connected to the CPU bus line via dedicated interfaces.

[0010]

However, in the above-mentioned conventional example, the FDD unit and the CD / ROM unit are merely stacked, and the height of the two-stage stack is limited to 41 mm. At this height, it is too high for a portable type and cannot be used. Further, in a personal computer system, a portable FD alone is not sufficient in capacity due to an increase in file capacity in recent years. Therefore, the conventional solution method is not only FDD but also extended I / F (interface).
For the extension, the expansion board was added and the MO drive was added, but for the extension I / F and MO drive,
Small computer equipment can result in large and bulky devices,
The weight also increased, making it difficult to make it portable.

The present invention provides an FD / FD which solves the above problems.
It provides the realization of an MO drive, and aims to have the functions of an existing FD drive unit and MO drive unit together.

[0012]

According to the present invention, there is provided an FD / MO drive unit for driving a floppy disk and a magneto-optical disk.
A magnetic drive head that inserts and drives the film-shaped floppy disk and an optical pickup that retreats below the magnetic drive head are provided.

[0013] In the FD / MO drive unit, the magnetic drive head may further include detection means for detecting insertion of the floppy disk, and retraction means for retreating the optical pickup according to a result of the insertion detection by the detection means. Features. The height, width, and depth of the housing of the unit are the size of the MO drive unit.

Further, in an FD / MO drive unit for driving a floppy disk and a magneto-optical disk, a magnetic drive head which is pushed by the magneto-optical disk of a polycarbonate plate and a light which comes into contact with a recording surface of the magneto-optical disk. An optical pickup for irradiating and reading out reflected light.

[0015]

Embodiments of the present invention will be described in detail with reference to the drawings.

[First Embodiment] Hereinafter, a first embodiment of the present invention will be described. As shown in FIG. 1, FD / M
FD (floppy disk) 2 in O drive unit 1
Is inserted, the FD (floppy disk) 2 is accommodated in the magnetic drive head 4 and operates as an FD drive, and the optical pickup 5 is hidden under the magnetic drive head 4.

As shown in FIG. 2, when an MO (magneto-optical disk) 3 is inserted into the FD / MO drive unit 1, the MO (magneto-optical disk) 3 is larger than the FD (floppy disk) 2. Utilizing the fact that the thickness is large, M
The O (magneto-optical disk) 3 has a shape that pushes the magnetic drive head 4 inward.

At this time, the optical pickup 5 is set below the MO (magneto-optical disk) 3 and operates as an MO drive.

As described above, by utilizing the thickness difference between the FD (floppy disk) 2 and the MO (magneto-optical disk) 3, the FD drive and the MO drive are realized by the same drive unit.

In more detail with reference to FIG.
When an FD (floppy disk) 2 is inserted into the D / MO drive unit 1, the FD
(Floppy disk) 2
Is hidden under the magnetic drive head 4.

Referring to FIG. 2, when an MO (magneto-optical disk) 3 is inserted into the FD / MO drive unit 1, the MO (magneto-optical disk) 3 is thicker than the FD (floppy disk) 2. Utilizing this, the MO (magneto-optical disk) 3 has a shape that pushes the magnetic drive head 4 inward.

As described above, by utilizing the difference in thickness between the FD (floppy disk) 2 and the MO (magneto-optical disk) 3, the magnetic drive head 4 is pushed into the back.
It is sufficient that the optical pickup 5 can be opened and closed.

Further, referring to FIG. 1, when an FD (floppy disk) 2 is inserted into the FD / MO drive unit 1, the FD (floppy disk) 2 is accommodated in the magnetic drive head 4, and the optical pickup 5 is mounted on the magnetic drive head. Hide under four.

In this case, the magnetic drive head 4 is
Since it is possible to read and write data from (floppy disk) 2, the FD / MO drive unit 1 operates as an FD drive.

Referring to FIG. 2, when an MO (magneto-optical disk) 3 is inserted into the FD / MO drive unit 1, the MO (magneto-optical disk) 3 is thicker than the FD (floppy disk) 2. Utilizing this, the MO (magneto-optical disk) 3 has a shape that pushes the magnetic drive head 4 inward.

In this case, the optical pickup 5 is set below the MO (magneto-optical disk) 3, and the optical pickup 5
Can read and write data from an MO (magneto-optical disk) 3, so that the FD / MO drive unit 1
Operate as an MO drive.

Further, in addition to the above-mentioned pickup part, it is necessary to use a common spindle motor. The FD is rotated at high speed by the spindle motor shaft contacting the 4 mm quadrilateral rotation hole and one scratch stop hole, and the MO is rotated at high speed by penetrating the spindle motor shaft through the 4 mm round hole. By mechanically inserting and removing the FD / MO shaft within a diameter of 4 mm, the spindle motor and the rotation system can be shared.

The FD / MO drive unit 1
From a morphological point of view, the height of the conventional MO drive unit is sufficient. That is, the height of the FD is 3 m
m and the height of the FD drive unit are about 10 mm, so that the size of the housing of the FD / MO drive unit 1 is absorbed by the conventional MO drive unit as the height, width, and depth of the unit housing, and is extremely small. It can be installed in a portable personal computer, and can provide a synergistic effect that a recording medium can be utilized, conventional recording data can be utilized, and a large capacity can be achieved.

[Second Embodiment] Next, a second embodiment of the present invention will be described. In a conventional computer device, as an extended I / F (interface) for sending and receiving drive control data of the MO and sending and receiving write / read data to and from the MO, an extended I / F for adding an MO drive is used.
A board is required, and an extra interrupt is also required systematically.

Transmission / reception of drive control data of the FD is usually 2
It is interfaced with a personal computer by a 6-pin FDC (Floppy Disc Controller). Therefore, if you use the existing FD / MO,
It is difficult to use a common FD drive control controller and MO drive control controller. Therefore, the input / output terminal of the control controller of the FD drive is F
It is connected to the DC terminal, and the controller of the MO drive is connected to the SCSI terminal for operation.

[0031]

According to the present invention, since the magnetic drive head and the optical pickup, which are conventionally compatible, are used as the head of the storage medium, they can be used as the conventional FD drive unit and also used as the MO drive. be able to.

Further, since it is constituted by a single drive unit, it can be used instead of the FD drive of the conventional computer device. Further, since it can be realized with the size of the housing volume and the height of the conventional MO drive unit, it can be provided to a portable personal computer.

[Brief description of the drawings]

FIG. 1 is a schematic diagram in which an FD is inserted in an FD / MO drive unit of the present invention.

FIG. 2 is a schematic diagram of an FD / MO drive unit according to the present invention in which an MO is inserted.

FIG. 3 is an assembly diagram of a conventional FDD / CD / ROM.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 FD / MO drive unit 2 FD (floppy disk) 3 MO (magneto-optical disk) 4 magnetic drive head 5 optical pickup

Claims (5)

[Claims] 1. An FD / MO drive unit for driving a floppy disk and a magneto-optical disk,
An FD / MO drive unit, comprising: a magnetic drive head for inserting and driving the film-shaped floppy disk; and an optical pickup retracted below the magnetic drive head. 2. The FD / MO drive unit according to claim 1, wherein said magnetic drive head detects the insertion of said floppy disk, and said retracting means retracts said optical pickup according to a result of said insertion detection of said detecting means. An FD / MO drive unit comprising: 3. The FD / MO drive unit according to claim 1, wherein the height, width, and depth of a housing of the FD / MO drive unit is the size of the MO drive unit. 4. An FD / MO drive unit for driving a floppy disk and a magneto-optical disk,
An FD / MO comprising: a magnetic drive head which is pressed by the magneto-optical disk of a polycarbonate plate; and an optical pickup which is in contact with a recording surface of the magneto-optical disk and irradiates light to read reflected light. Drive unit. 5. The FD / MO drive unit according to claim 4, wherein a detecting means for detecting that the magnetic drive head has been pushed in, and the optical pickup is arranged at a predetermined position based on a detection result of the detecting means. An FD / MO drive unit comprising an arrangement unit.