JPH08329638A - Magazine rack of optical disk library device - Google Patents

Abstract

PURPOSE: To produce the structure optimum to an optical disk library device of a desk type having the tray structure. CONSTITUTION: The magazine rack 26 of the optical disk library device 10 which has plural slots 148 for housing media and in which the plural media are lined up in the depth direction of trays 20 disposed freely movably in the depth direction from an aperture in the front part of the device is obtained. The device has a box-shaped rack body opened only in the direction transverse to the direction where the trays 20 are put in and out in the tray housing state as such magazine rack 26. The rack body has a freely foldable handle 112 in the upper part. The rack body is provided with such number of the slots of the weight to allow carrying of the rack with one hand in the state of housing the media in all the slots 148. Further, the front surface and rear surface are respectively provided with the fitting parts to be fitted at the time of stacking of the magazine rack on another magazine rack.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a magazine rack used in an optical disk library apparatus for selectively loading a plurality of optical disk medium cartridges housed in the apparatus into a drive for recording / reproducing, and more particularly to a magazine rack placed on a desk or the like. The present invention relates to a magazine rack of a very compact optical disk library device that can be used in.

In recent years, the optical disk has a large capacity of more than 200 MB and the advantage of forming a cartridge that enables the movement of the medium between different optical disk drives.
It is exerting its power in the environment of dows and the environment of large-scale software use. Furthermore, in recent years,
With the advent of the 3.5-inch optical disk drive, cost reduction and access speed improvement have been achieved, and performance equivalent to that of a standard hard disk drive (HHD) one generation ago can be obtained.

However, since the optical disk drive alone has a limited storage capacity, a plurality of optical disk cartridges are housed in the apparatus, and the necessary optical disk cartridges are picked up by the robot hand and loaded into the optical disk drive for recording and reproduction. A library device has been proposed.

[0004]

2. Description of the Related Art Conventionally, as a small-sized optical disk library device, for example, a stationary device having a size about the height of a desk has been proposed.
It is used as an external storage device of a personal computer and a storage device of a server machine. This stationary type optical disk library device is provided with a medium loading / unloading port outside the device, and when an optical disk cartridge is inserted into the medium loading / unloading port, an internal accessor carries it into a designated cell of a rotatable cell drum and stores it. . When the host makes an access request, the accessor picks up the cartridge of the transfer source cell, carries it to the drive of the start destination, and loads it. The used cartridges are carried by the accessor from the cell drum to the medium loading / unloading port and discharged.

[0005]

However, in such a conventional stationary type optical disk library device, more than 100 cartridges can be stored, but with the recent increase in the storage capacity of the optical disk medium, Even with the same storage capacity, the number of cartridges required is greatly reduced. For example, the conventional 3.5-inch optical disk cartridge has a storage capacity of about 100 MB, but it has more than doubled to 230 MB, and the number of cartridges required for the optical disk library device is reduced to less than half.

When the number of cartridges to be stored in this way is reduced to, for example, 50 or less, in the optical disk device having the same cell drum and medium input / output port as the conventional one, the number of cartridges to be stored is unnecessarily large and the mechanical structure is also large. There was a problem that it was complicated and costly, and it was difficult to secure the installation place. Therefore, the inventor of the present application proposes an optical disk library device which has a compact device shape despite the large number of media that can be stored and can be installed and used on a desk. This desk-top type optical disk library device has a low height and a device body that can be placed on a desk that is long in the lateral direction and the depth direction is provided with a tray that can be taken in and out on the front side, and a plurality of cartridges can be stored in the tray Multiple magazine racks are arranged in the depth direction.

However, when the cartridges are loaded and unloaded from the tray in units of magazine racks, if the number of stored cartridges is too large, the cartridge is too heavy and inconvenient to handle. It is inconvenient because the number of Also, unused magazine racks are placed on the desk, but when using multiple magazine racks, it becomes messy and unorganized, and the necessary magazine racks cannot be found.

Further, in order to protect the cartridge, it is necessary to completely store the cartridge in the magazine rack, but this causes the cartridge to be large in size, and as a result, the apparatus main body cannot be made compact. Furthermore,
When inserting the cartridge in the magazine rack, it must be inserted in a predetermined direction, but it is complicated to confirm and determine the direction each time, and there is a possibility that it will be unusable by inserting it in the wrong direction.

The present invention has been made in view of the above problems, and an object of the present invention is to provide a magazine rack having an optimal structure for a desk-top type optical disk library device having a tray structure.

[0010]

FIG. 1 is a diagram illustrating the principle of the present invention. First, according to the present invention, as shown in FIG. 1A, an optical disk library device having a plurality of slots 148 for accommodating media and arranged in the depth direction of a tray 20 movably provided in a front opening of the device. The target is 10 magazine racks 26. Such a magazine rack 26
As shown in FIG. 1B, the present invention has a box-shaped rack main body that is opened only in the lateral direction with respect to the tray 20 insertion / removal direction when the tray is stored, and the rack main body is folded at the top. It is characterized by having a free handle 112.

The magazine rack 26 has all the slots 1
The number of slots of 48 is such that the medium can be held with one hand while the medium is stored therein. For example, if the medium is a 3.5 optical disk cartridge, it has 12 slots. The magazine rack 26 is provided with a fitting portion on each of the upper surface and the lower surface, which is fitted with another magazine rack when piled up. For example,
A fitting protrusion 154 is provided on the upper surface and a fitting receiving hole is provided on the lower surface.

The magazine rack 26 stores the medium in each slot 148 with a part of the medium protruding toward the insertion side, and has a substantially cubic overall shape with the medium stored in all the slots 148. Further, stoppers that fit into the grooves on the medium side are provided at the upper and lower inner surface positions of the slot 148. This stopper is formed integrally with the rack body. Further, a reverse insertion preventing claw is provided on the inlet side of the upper inner surface of the slot so as to prevent the reverse insertion of the medium in the vertical direction. In this reverse insertion claw, one spring plate having claws corresponding to the number of slots is fixed to the inlet side of the upper inner surface of the main body.

Further, it is desirable to attach a label indicating the medium insertion direction on the side surface of the magazine rack 26.

[0014]

According to the magazine rack of the optical disk library apparatus of the present invention as described above, a household having a plurality of medium cartridges inserted into the side surface of the box is on the tray and can be easily attached and detached by using the handle on the upper side. . It is easy to put in and take out with one hand, and the size and weight make it easy to put in and take out magazine rack units.

Further, the unused magazine racks can be arranged side by side on the desk by utilizing the upper and lower fitting structures, so that they can be easily organized. In addition, since it has an almost cubic overall shape in the medium storage state, it has good stability when placed on a desk and high space efficiency when piled up. Further, since the medium cartridge is not completely stored in the magazine rack but a part thereof is projected, the magazine rack can be made compact, and as a result, the apparatus can be made compact.

Furthermore, since the cartridge reverse insertion preventing mechanism is provided, it is possible to reliably prevent the cartridge from being inserted in the wrong direction. Further, since the label indicating the insertion direction of the medium cartridge is attached to the side surface of the magazine rack, the medium cartridge can be inserted in the correct direction according to the label.

[0017]

【Example】

<Contents> 1. Desktop type device configuration 2. Tray mechanism structure 3. Cooling structure 4. Magazine rack 5. Hard disk emulation 6. Tray control 1. Tabletop Device Configuration FIG. 2 is an external view of an optical disk library device of the present invention. The height of the device body 10 is limited to about ten centimeters,
It has a box shape with lengths in the lateral and depth directions. For example, the device body 10 has a height of 143 mm,
The width is 345 mm and the depth is 430 mm, which is very compact and can be installed on a desk for use. The upper part of the device body 10 has a width of 345 mm and a depth of 430 mm.
Because it has enough space, other units such as a display can be placed on the desk while it is placed on the desk.

An operation panel 12 is provided on the front surface of the apparatus body 10. The operation panel 12 has a power switch 14,
A key switch 16 and an eject switch 18 are provided. A tray 20 is provided next to the operation panel 12. As shown in FIGS. 9 to 11 which will be described later, the tray 20 can be put in and taken out from the apparatus main body 10, and has three magazine racks in which cartridges of optical disk media are stored.

The power switch 14 turns on / off the power of the apparatus. The eject switch 18 moves the tray 20 in and out. When the eject switch 18 is operated while the tray 20 is closed as shown in the figure, the tray 20 is pulled out from the apparatus main body 10. When the eject switch 18 is operated with the tray 20 pulled out, the tray 20 is stored in the apparatus body 10.

The key switch 16 is the eject switch 1
It is used to enable or cancel the function of 8. When it is desired to pull out the tray 20 with the eject switch 18, the function of the eject switch 18 must be made effective by first inserting a dedicated key into the key switch 16 and turning it. Normally, the key switch 16 is off, and therefore the tray 20 is not taken out even if the eject switch 18 is operated with the key switch 16 in the off state.

An online indicator lamp 24 is provided above the eject switch 18. Online indicator light 24
Lights up when the apparatus main body 10 is operating by being accessed by the host computer. On the right side of the eject switch 18 and the key switch 16,
Five indicator lights 25-1 to 25-8 are arranged in the vertical direction.

From the bottom, these indicator lights are
1, error indicator lights 25-2 to 25-4, accessor indicator light 25-5, hard disk drive indicator light 25-6, optical disk drive indicator lights 25-7, 25-8. FIG. 3 shows the internal structure of the apparatus body 10 of FIG. 2 in a transparent state. First, behind the tray that opens forward, in this embodiment, there are three magazine racks 26-1, 26-2, 2
6-3 is stored. Magazine rack 26-1 to 26
-3 has an opening on the left side, and one magazine rack accommodates, for example, 12 3.5-inch optical disk cartridges. Therefore, the total number of optical disk cartridges that can be stored in the apparatus body 10 is 36. However, since one of them is a cleaning cartridge, 35 optical disk cartridges can be actually used.

An accessor 28 is installed on the left side of the magazine racks 26-1 to 26-3 so as to be movable in the depth direction. The accessor 28 is driven by the gear belt 30 and moves along the guide rail 54. Accessor 2
Reference numeral 8 has a pick-up claw that functions as a robot hand for loading and unloading the optical disk cartridge on and from the magazine racks 26-1 to 26-3.

Two optical disk drives 32-1 and 32-2 are installed behind the magazine racks 26-1 to 26-3. Optical disk drives 32-1 and 32-2
Has a cartridge inlet / outlet on the left side where the accessor 28 is located. Therefore, the accessor 28 takes out the optical disk cartridge from any of the magazine racks 26-1 to 26-3 and inserts it into the optical disk drive 32.
Carry to the position of -1, 32-2 and put in.

Further, the optical disk drive 32-1 or 3
The optical disk cartridges ejected from 2-2 are carried back to the original positions of the magazine racks 26-1 to 26-3.
Here, the time required for the accessor 28 to take out the optical disk cartridge from the magazine rack and insert it into the optical disk drive is referred to as the cartridge transportation time. The cartridge transportation time is 5 seconds on the average in the apparatus configuration of the present invention, which realizes high-speed processing.

An emulation unit 36 is provided following the optical disk drives 32-1 to 32-2.
The emulation unit 36 performs processing by making the optical disk library device look like a hard disk drive in response to an access from a host computer. A hard disk drive 34 is provided on the left side of the emulation unit 36. The hard disk drive 34 is an emulation unit 36 as a cache for the optical disk drives 32-1 and 32-2.
Controlled by.

An accessor controller 38 and a power supply unit 40 are provided on the right side of the magazine racks 26-1 to 26-3. Accessor controller 38
Controls the drive of the accessor 28 and the tray. The power supply unit 40 supplies power to the entire device. A fan unit with a filter 42 is provided on the right side of the power supply unit 40.

The fan unit with filter 42 has a suction port 128 and takes in air from the outside into the inside of the apparatus main body 10 through a filter and forcibly cools the internal unit by blowing air with a fan. The cooling air taken in by the fan unit with a filter 42 circulates in the device, and finally passes through the part of the power supply unit 40 to be discharged to the outside. This cooling structure will be clarified later.

FIG. 4 is a longitudinal sectional view of the apparatus main body 10 of FIG. 3, showing a state in which the optical disk drive 32-1 is cut and the front is seen. The housing of the device body 10 basically has a double structure. First, the base side is composed of an outer base 44 and an inner base 46. The outer base 44 is integrally provided with left and right side walls. The inner base 46 is a flat plate and is fixed via a gap 50 formed by forming the pushing portion 45 of the outer base 44.

This outer base 44 and inner base 46
The gap 50 between them forms a ventilation path for cooling air.
An upper cover 48 integrally provided with a side wall is attached to the double structure on the base side from above. For this reason, the side surface of the apparatus main body is provided with the side wall of the outer base 44 and the upper cover 48.
Form a double structure with overlapping side walls. Further, reinforcing plates 64 and 66 are provided inside the upper cover 48, as is apparent from the plan view in which the upper cover 48 is removed in FIG.

Due to such a double structure of the housing in the apparatus body 10, sufficient rigidity of the housing can be secured even when an object is placed on the upper part. Also, in the case of the double structure on the base side, the inner base 46 has an accessor 2
8, a mechanical unit having moving parts such as the optical disk drives 32-1 and 32-2 and the tray 20 is attached. On the other hand, on the outer base 44 side, other hard disk drives 34, emulation unit 36, accessor controller 38, power supply unit 40 and fan unit 42 with a filter are provided.
Is installed.

In this way, the tray 2 is provided on the inner base 46 side.
0, accessor 28, optical disk drive 32-1, 3
By installing a mechanical structure having a movable part including 2-2 and providing a static circuit unit other than that on the outer base 44 side, the assembly and adjustment of the mechanical structure having the movable part at the time of assembly can be performed. It can be performed independently from the static circuit unit side. Further, since the mechanical structure having the movable portion is provided on the inner base 46 side in its entirety, it is possible to make a unique assembly adjustment without considering the relationship with other circuit units. Further, even in the case of inspection and repair due to a failure of the device, for inspection and repair of the mechanical portion, it is possible to easily perform repair and adjustment of the mechanical portion alone by taking out the inner base 46.

Next, the structure of the accessor 28 will be described with reference to FIG. The accessor 28 is movably supported in the depth direction along guide rails 52 and 54 provided at two locations, an upper right corner and a lower left corner. A gear belt 30 is installed below the accessor 28, the accessor 28 is fixed to a predetermined position of the gear belt 30, and the accessor 28 moves along the guide rails 52 and 54 as the gear belt 30 moves.

The accessor 28 has a pair of pickers 56-1, which are opened at the side of the optical disk drive 32-1 and are vertically arranged.
56-2 is provided. Pickers 56-1 and 56-2
Can hold the optical disk cartridge by opening and closing up and down. The pickers 56-1 and 56-2 move the guide pins 60-1 and 60-2 along the guide grooves 62-1 and 62-2 provided on the guide plate 58,
The pickers 56-1 and 56-2 are moved forward, backward, and opened / closed. Picker 56 used for accessor 28-
As 1,56-2, any handling mechanism can be used as long as it can hold the optical disk cartridge.

FIG. 5 is a plan view with the upper cover 48 removed from FIG. 4, and the states of the reinforcing plates 64, 66 provided on the upper part can be seen. FIG. 6 is a plan view with the reinforcing plates 64 and 66 of FIG. 5 removed, showing the storage state of the three magazine racks 26-1, 26-2, and 26-3 stored in the tray 20. The drive mechanism of the accessor 28 is also shown in detail.

The drive mechanism of the accessor 28 has a motor 68, and the rotation of the motor 68 is transmitted from the worm gear 70 to the worm wheel gear 72 and further transmitted to the gear pulley 76 via the gear 74. The gear pulley 76 has the gear belt 30 wound around between the gear pulley 76 and a gear pulley 78 installed in the front. A tension pulley 80 is provided on the gear pulley 78 side to keep the tension of the gear belt 30 constant.

FIG. 7 is a plan view of the tray 20 of FIG. 6 with the magazine racks 26-1 to 26-3 removed. Inside the tray 20 with the magazine rack removed,
The side wall 106 and the bottom wall 108 provided on one side have a shelf plate shape with an L-shaped cross section, and form magazine storage sections 84-1, 84-2, 84-3 that are partitioned into three in the depth direction. .

Locking members 86-1, 86-2, 86-3 are provided on the respective side walls of the magazine accommodating portions 84-1 to 84-3, that is, at positions behind the magazine racks, and the accessor 28 side. Pressing members 110-1 to 110-3 are provided at the tip of the bottom wall 108. For this reason, the magazine rack has a lock member 86 behind it.
-1 to 86-3 and the pressing member 110-1 to 11 at the bottom end
It is sandwiched between 0-3 and held on the tray 20.

FIG. 8 shows the drive mechanism installed in the lower part of the tray 20 of FIG. 7 in a transparent state. The drive mechanism of the tray 20 is a motor 86 installed in the accommodating portion of the accessor controller 38 and the power supply unit 40, which rotates a worm gear 88 provided on the rotation shaft of the motor 86 to transmit the worm gear 90 to a worm wheel gear 90 and finally a gear pulley 92. Is rotating.

A gear pulley 96 is provided at a depth position of the tray with respect to the gear pulley 92.
A gear belt 94 is looped between 2, 96 and a tension pulley 98 keeps the tension constant. Gear belt 94
The shelf of the tray 20 is fixed at a predetermined position, and the tray 20 can be opened to the position indicated by 20 'by the movement of the gear belt 94. Further, the sensor plate 101 is in contact with the moving direction of the tray 20, so that the sensor 100 provided on the tray 20 side can detect the moving position of the tray 20.

As the sensor plate 101, for example, a plate member having slits for optical position detection is used for each storage position of 36 optical disk cartridges stored in a magazine rack mounted with the tray 20 stored therein. It The sensor plate 101 is also used for detecting the position of the optical disk cartridge by the sensor 190 provided in the accessor 28 at the same time.

The drive mechanism of the tray 20 as described above has a structure in which a worm wheel gear 90, gear pulleys 92 and 96, and a tension pulley 98 are provided in parallel with the base plate, and a gear belt 94 is wound around the gear pulleys 92 and 96. Therefore, the size in the height direction may be slightly larger than the width of the gear belt 94, and the height of the device is sufficiently lowered by realizing an extremely thin drive mechanism. This thin drive mechanism is the same on the accessor 28 side. 2. Tray Mechanism Structure FIG. 9 shows a state in which the tray is opened in the optical disk library device of the present invention. Three magazine racks 26-1 to 26-3 are housed inside the tray 20 in a state where the tray 20 is pulled out forward from the apparatus body 10. The inside of the tray 20 has a side wall 106 and a bottom wall 108.
Has a L-shaped cross-section shelf shape, has a pressing member 110-1 to 110-3 at the front part of the bottom wall 108, and has a locking member 86 at the back like a takeout part of the magazine rack 26-1. -1 is provided.

Each of the magazine racks 26-1 to 26-3 has a handle 112 on the upper portion thereof, and the handle 112 can be removed from the tray 20. Magazine rack 26-
1 has a plurality of slots on the opening side, and an optical disk cartridge 102 is accommodated in the slots.
FIG. 10 shows the back side of the tray of FIG. 9, and the operation panel 1
By operating the eject switch 18 of No. 2, the tray 20 can be opened to the outside from the tray storage port 104 by the drive mechanism thereof. FIG. 11 shows how the magazine rack 26-1 is taken out from the tray 20.

When the magazine rack 26-1 is taken out, the handle 112 provided at the upper part is held with one hand and the holding member 110-1 is tilted toward the front so that the locking member 86-1 at the back is secured. It is sufficient to release the fitting and take out in this state. Also, when inserting the magazine rack 26-1 into the tray 20, first, as shown in FIG.
It suffices if the lower end of 6-1 is set on the pressing member 110-1 and then tilted backward to be pushed into the lock member 86-1. 3. Cooling Structure FIG. 12 shows the flow of air for cooling in the optical disk library device of the present invention. In FIG. 12, the air taken in from the suction port 128 of the fan unit with filter 42 is blown out by the fan as shown by the arrow 114, and the optical disc drives 32-1 and 32 are shown.
-2 and the portion of the emulation unit 36 toward the storage portion side of the accessor 28.

Optical disk drives 32-1 and 32-2
Is omitted in the shape of a closed box, but since the outer cover is not actually attached, the arrow 114
The flow of air by the optical disc drives 32-1 and 32
It will flow through -2. The air that has flowed into the accommodating portion of the accessor 28 as indicated by the arrow 116 enters the bottom side of the apparatus main body 10 and the outer base 4 shown in FIG.
4 and the inner base 46 passes through the passage defined by the gap 50, and the flow of the arrow 118 is discharged to the outside after standing up at the portion of the power supply unit 40.

In FIG. 13, the fan unit with filter 42 of FIG. 12 is taken out. The fan unit with a filter 42 has a removable filter case 120,
The filter case 120 has a plurality of suction ports 122 opened in the vertical direction, and a taper filter 124 is housed on the right side inside thereof. A suction port 128 is opened on the right side inside the filter housing portion of the fan unit with filter 42, and the fan 126 is housed therein. Therefore, by driving the fan 126, the air that has passed through the filter case 120 is sent into the inside of the apparatus as shown by the arrow 132.

FIG. 14 is a plan view of the apparatus main body 10 with the upper cover removed, showing a path from intake of cooling air to discharge thereof. First, the fan unit with filter 42
The air taken in is sent into the inside of the apparatus main body 10 as indicated by arrow 114-1. This air flow is arrow 11
Optical disk drives 32-1 and 32-2 like 4-2
And is sent to the installation side of the accessor 28.

Holes 134, 136 and 138 are provided in the inner base 44 of the accommodating portion of the accessor 28.
Therefore, the air sent in as indicated by the arrow 114-2 enters the holes 134, 136, 138 of the inner base 44 as indicated by the arrows 116-1, 116-2, 116-3, and the gap with the outer base is made. Through the dashed arrow 118
As shown in -1, 118-2, 118-3, it goes to the accommodating portion of the accessor controller 38 and the power supply unit 40.

The base plate 44 is installed at the installation position of the accessor controller 38 and the power supply unit 40.
Is open to the inside, and the air passing through the gap below the base plate 44 is sent to the installation portion of the accessor controller 38 and the power supply unit 40. The accommodating portions of the accessor unit 38 and the power supply unit 40 form a space partitioned by incorporating the side wall 106 of the tray 20 and the fan unit with filter 42, and the air sent through the inner base 44 is indicated by an arrow. As shown at 118, it is discharged to the outside.
That is, the air outlet 23 is opened at the air outlet indicated by the arrow 118, as is apparent from FIG.
The cooling air flow passing through the inside of 0 is discharged to the outside from here.

FIG. 15 is a longitudinal sectional view of the apparatus main body 10 of FIG. 14, in which the air sent into the accessor 28 as indicated by arrow 114-2 passes through the hole as indicated by arrow 116-1 and the inner base. It is sent into the gap 50 between the outer base 46 and the outer base 44, passes through the gap 50 as indicated by the arrow 118-1, rises up at the installation position of the power supply unit 40, and is discharged to the outside as indicated by the arrow 118.

According to the cooling air flow in the apparatus main body 10 as described above, the power supply unit 40 having the largest heat generation is installed at the discharge position at the end of the cooling air flow. By not pouring air into the inside from 40, it is possible to sufficiently secure the cooling efficiency inside the device. 4. Magazine Rack FIG. 16 shows a magazine rack used in the optical disk library device of the present invention. Magazine rack 26
Is a box-shaped unit having left and right side walls 140 and 142, a rear back wall 141, upper and lower upper walls 150, and a bottom wall 144 and having only one opening. A partition 146 is formed integrally with the opening of the magazine rack 26 to reach the top and bottom and the back. Slots 148-1 to 14-14 for accommodating 12 optical disk cartridges are formed by the partition 146.
8-12 are formed.

At the rear portion of the upper wall 150 of the magazine rack 26, a handle 112 which is rotatable by a hinge 152 is provided. The handle 112 is closed on the same plane as the upper wall 150 by a coil spring (not shown). Further, protrusions 154 and 156 are integrally formed at two positions on the front side of the upper wall 150. FIG. 17 is a bottom view of the magazine rack 26, showing the protrusions 154 provided on the upper wall 150 of FIG.
Corresponding to 156, the bottom wall 144 has receiving holes 158, 16
0 is provided. Therefore, when a plurality of magazine racks 26 are arranged on a desk or the like, the magazine racks 2
6 can be overlapped. That is, the protrusions 154 provided on the upper wall 150 of the lower magazine rack 26
At 156, the bottom wall 144 of the magazine rack 26 to be placed on
It is possible to fit the receiving holes 158 and 160 of the above and to keep them stable so as not to shift even if they are overlapped.

FIG. 18 is a vertical cross section of the left slot 148-12 of the magazine rack 26 of FIG. The partition 146 forming the slot 148-12 is
It is formed from the bottom to the depth and further to the top. In this embodiment, the bottom wall 144 and the back wall 141 are integrally formed, and the top wall 150 is fixed to the bottom wall 144 by screws or adhesion.

Slot 1 in top wall 150 and bottom wall 144
Stoppers 162 and 164 are integrally formed behind 48-12. The stoppers 164, 162 are supported by the main body side at the central portion, and the tip end side is in a movable state. For example, as shown in FIG. 17, the stopper 164 of the bottom wall 144 has a structure in which the tip claw portion can be deformed by cantilever formation.

A reverse insertion preventing claw 170 is provided on the inlet side of the slot 148-12 of the upper wall 150. The reverse insertion preventing claw 170 uses a metal leaf spring in this embodiment. This metal leaf spring makes one honey plate in which twelve reverse insertion preventing claws 170 are formed for all twelve slots, and this is fixed to the lower part of the upper wall 150 as shown in FIG. The insertion preventing claw 170 is supported.

Slot 148-1 of magazine rack 26
The cartridge 102 of the 3.5-inch optical disk shown on the right side is inserted into the cartridge 2. The cartridge 102 has grooves 166 and 168 on the upper and lower ends thereof.
6,168 to the stoppers 162,1 of the magazine rack 26
64 fits in. A taper portion 165 is provided at the top end of the cartridge 102, and a protrusion 167 is provided at the bottom end.
Is provided.

The tapered portion 165 and the protrusion 167 are provided to prevent the cartridge 102 from being inserted backward.
Corresponding to the reverse insertion prevention structure on the cartridge 102 side,
A reverse insertion preventing claw 170 is provided at a slot position of the upper wall 150 on the magazine rack 26 side. When the cartridge 102 is inserted into the slot 148-12 of the magazine rack 26 in the correct direction as shown in the drawing, the reverse insertion preventing pawl 170 is pushed up by the taper portion 165 and the stopper 16 is inserted.
The cartridge 102 can be housed in the correct position where the grooves 2 and 164 fit into the grooves 166 and 168.

On the other hand, when the cartridge 102 is inserted upside down, the lower protrusion 167 hits the reverse insertion preventing claw 170, and the cartridge 102 cannot be inserted any more, and the cartridge is inserted backward. I am trying to understand that I am doing. Further, a lock groove 172 is formed in the lower portion of the back wall 141 of the magazine rack 26, and the lock member 86 provided on the bottom wall 108 of the tray 20 of FIG. 9 is fitted and held therein.

FIG. 19 is a side view of the magazine rack 26 of the present invention in a cartridge housed state. The magazine rack 26 of the present invention does not have a structure in which all the cartridges 102 are stored, but a part thereof is taken out and stored. That is, the cartridge 102 accommodates the upper and lower rectangular grooves 174 and 176 in an exposed state.
The claws of the pickers 56-1 and 56-2 of the accessor 28 shown in FIG. 4 enter into the rectangular grooves 174 and 176.

Further, in the magazine rack 26 of the present invention, the label 178 is attached to the side wall. On the label 178, a picture showing the direction when the cartridge 102 is inserted and "IN" showing the insertion direction and an arrow are drawn. By attaching such a label 178 to the magazine rack 26,
The cartridge 102 can be easily inserted into the magazine rack 26 in the correct direction.

FIG. 20 shows a state in which the magazine racks 26 of the present invention are stacked in two stages. The magazine racks 26 are each provided with a protrusion 156 on the upper part. When the upper magazine rack 26 is overlapped with the protrusions 156 of the lower magazine rack 26, the upper magazine rack 2 has a cross section as shown in FIG.
The lower protrusion 156 fits in the receiving hole 160 of the No. 6 so that the magazine racks 26 in the stacked state can be prevented from being displaced and can be arranged neatly on a desk or the like.

Further, the magazine rack 26 of the present invention is shown in FIG.
As shown in the side view of FIG. 19 with the cartridges housed in all of the six slots 148-1 to 148-12, it has a substantially cubic overall shape. By having a cubic shape as a whole in such a cartridge stored state, it is possible to enhance stability when the cartridges are arranged on a desk or the like.

Further, since the magazine rack 26 of the present invention is held in one hand by the handle 112 and is attached / detached to / from the tray of the apparatus, it is necessary to have a weight which can be easily handled with one hand. Therefore, in the magazine rack of the present invention,
When storing a 3.5-inch optical disk cartridge, the weight is 5 which can be easily handled with one hand.
1 g per magazine rack to make it less than 00 g
It has a structure that can store two cartridges. Further, when the number of cartridges accommodated is 12 at the same time as the weight, it is also the number for realizing the overall shape of the cube as shown in FIG. 5. Hard Disk Emulation FIG. 21 is a block diagram of a hardware configuration of an optical disk library device according to the present invention. In FIG. 21, a SCSI bus 180 is connected from the host computer to the emulation unit 36, the accessor controller 38, the optical disk drives 32-1 and 32-2, and the hard disk drive 34.

The accessor controller 38 is the MPU 18.
2, and the access control 220 and tray controller 23 under the program control of the MPU 182.
It realizes the function of 0. The MPU 182 receives the SCSI from the host computer via the SCSI unit 184.
The bus 180 is connected. It also controls a motor driver 186 that drives the motor 68 provided in the accessor 28.

A sensor driver 188 for outputting a detection signal from a sensor 190 for detecting the cartridge position provided in the accessor 28 is connected to the input. Further, a motor driver 192 that drives the motor 86 provided in the tray drive mechanism 198 is connected, and a sensor driver 194 that outputs a detection signal of the sensor 100 that detects the tray position is connected. Further, an eject switch 18 for instructing the tray to be taken in and out provided on the operation panel 12 is connected,
Further, a display unit 196 provided with various kinds of indicator lights provided on the operation panel 12 is connected.

On the other hand, the emulation unit 36 is M
It has a PU 200, and connects the SCSI unit 202, SRAM 204, and DRAM 208 to the MPU 200 via a bus. The SRAM 204 is connected to a backup power supply 206 using a battery, and thus is used as a non-volatile memory. Further, to the MPU 200, a dip switch 210 for selecting any one of a plurality of emulation forms that the emulation unit 36 has in advance is connected.

The DIP switch 210 is provided on the back panel of the apparatus main body or the like, and can be set from the outside of the apparatus to select the emulation mode. The MPU 200 has a dip switch 210
An address conversion mechanism 240 is provided for performing address conversion of the selected emulation mode based on the instruction to select the emulation mode.

This address translation mechanism 240 uses SCSI
An effective address (logical address) associated with a write or read access request from the host computer via the bus 180 is converted into an address of an optical disc suitable for the selected emulation mode. Further, in the SRAM 204 as a non-volatile memory, management data 250 in which the serial number of the optical disk to be emulated by the hard disk as an entry is registered. The management data 250 stores mounting data indicating the presence / absence of insertion corresponding to the serial number of each optical disk. Further, in addition to the mounting data indicating the presence / absence of insertion, management data such as the stored date, the number of ejections for cleaning the medium, and a flag indicating whether or not the data has been formatted are also stored.

Here, the emulation unit 36 of the present invention comprises 35 optical disk cartridges 102-1 to 102-2 housed in magazine racks 26-1 to 26-3.
Three hard disk emulation modes of type 1, type 2 and type 3 are provided in advance for -35, and any one of them is selected by the DIP switch 210.

The type 1 emulation form is 35
If one 3.5-inch optical disk cartridge is 230 MB per disk, it is possible to make one optical disk cartridge look like one large-capacity hard disk.
One GB large-capacity hard disk can be emulated. Type 2 handles each of the 35 optical disk cartridges 102-1 to 102-35 as one volume of the hard disk. Furthermore, type 3 is 35
Optical disc cartridges 102-1 to 102-35
Are grouped into a predetermined number, and each group is treated as one volume of the hard disk. For example, in this embodiment, 1.35 with 6 optical disk cartridges.
It emulates a GB hard disk and treats it as a total of 6 hard disks.

The address translation in the address translation mechanism 240 of the MPU 200 in each of the types 1 to 3 is as follows. First of all, type 1
All of the 35 stored optical disk cartridges are one hard disk. Here, the disc number, which is the serial number of 35 optical disc cartridges, is 0 to 3
If the number is 5, the disc number for specifying the optical disc cartridge based on the effective address which is the access address from the host computer is given by the following equation.

Disk number = (effective address) / (optical disk maximum address) quotient (1) In this way, if the target disk number is obtained based on the effective address from the host computer,
The optical disk address, which is the address within the optical disk, is calculated by the following equation.

Optical Disc Address = (Effective Address) − (Optical Disc Maximum Address) × (Disc Number) (2) In selecting such a type 1 emulation form, all 35 optical disc cartridges are stored in the device. It cannot be used without it. Next, in Type 2, 35 optical disk cartridges
Since each hard disk is configured, the machine number of the hard disk is specified when specifying the effective address as the access address from the host computer. Therefore, by specifying this machine number, the disk number of the optical disk cartridge can be specified. The effective address following is the optical disk address itself of the specified disk number. That is, the address conversion may be performed such that the optical disk address = the effective address (3).

Further, in the type 3, the hard disk used by the host computer by emulation is designated by the logical unit number (LUN). Therefore, if the optical disk cartridges for at least one logical unit number, that is, at least 5 or 6 optical disk cartridges are normally stored, the designated LUN can be used. Here, the head disk numbers of the optical disk cartridges for every five or six disks corresponding to the LUN designated by the host computer are as shown in FIG.

The LUN designation from the host computer and the address translation based on the effective address in the type 3 are as follows. First, the specified LUN
22 to 23, the leading disk number is obtained, the effective address is substituted into the following equation, and the disk number to be accessed is obtained. Disk number = (designated LUN head disk number) + (effective address) / (optical disk maximum address) (4) Subsequently, the optical disk address of the disk number calculated by the expression (4) is obtained by the following expression.

Optical disc address = effective address− (optical disc maximum address) × (disc number−designated LUN head disc number) (5) Of course, the number of optical disc cartridges grouped by type 3 is appropriately determined by the use of the OS of the host computer. Can be specified.

FIG. 23 shows management data 250 stored in the SRAM 204 of the emulation unit 36 of FIG.
Is an example. This management data is provided with a mounting flag indicating whether or not the optical disk cartridge is inserted in correspondence with the disk numbers # 00 to # 35 indicating the optical disk cartridge. If the optical disk cartridge is inserted, the mounting flag is set to 1 and is not inserted. If so, the mounting flag is reset to 0.

Further, as the management information other than the mounting, the storage date, the number of times the optical disc drive is loaded,
The number of ejections for cleaning the medium, a format flag indicating the presence / absence of a format, and the like are recorded. FIG. 24 corresponds to FIG.
6 is a flowchart of initialization processing and startup processing when the power is turned on in the emulation unit 36 of No. 1;

First, the initialization process when the optical library device is first connected to the host computer and the power is turned on will be described. When the power of the optical disk library device is turned on, first, the state of the internal device is checked in step S1. This state is confirmed by the optical disk drive 32-1.
The states of 32-2, the hard disk drive 34, and the accessor controller 38 are confirmed.

At the same time, the state of whether or not the optical disk cartridge is stored in each slot of the magazine rack provided on the tray is also checked. To confirm the storage state of the optical disc cartridge, for example, the accessor controller 38 moves the accessor 28, and the sensor 190 provided in the accessor 28 detects the presence or absence of the optical disc cartridge at each slot position.

Next, in step S2, it is checked whether or not the initialization processing has been completed. In this case, since the initialization processing has not been completed, the processing proceeds to step S3. In step S3, the emulation type selection information set in the device by the dip switch 210 is acquired. Then, in step S4, a conversion formula for converting the effective address from the host computer into the optical disk address is determined based on the acquired emulation type selection information.

For example, for any one of type 1 to type 3, the corresponding address conversion formula for the designated type is determined. Next, the SRAM 204 is initialized in step S5, and the hard disk drive 34 is further initialized in step S6. Next, in step S7, step S
The information indicating the presence / absence of the optical disk cartridge detected by the status confirmation 1 is stored in the SRAM 204 as management data 250.
To record as.

That is, the disk numbers # 00 to # 3 in FIG.
If the optical disk cartridge is inserted in the mounting flag in the management data having 5 as an entry, 1 is set,
If not inserted, 0 is reset. From this step S3
By S7, the initialization process when the optical disk library device is used for the host computer for the first time is completed.

Next, the startup processing of steps S8 and S9 is performed. First, in step S8, the management data 250 recorded in the SRAM is expanded in the DRAM 208 as the management data 260. Subsequently, in step S9, the management data recorded in the hard disk drive 34 is expanded in the DRAM 208. Hard disk drive 3 in first use
Since no management data is recorded in No. 4, the process of step S9 in this case is unnecessary.

On the other hand, when the power supply of the apparatus is stopped once after the initialization processing is completed, the management data 260 of the DRAM 208 is stored in the SRAM 250 and the hard disk drive 34 at the same time. Then, in the next startup process by turning on the power source, steps S8 and S9 are performed.
The management data recorded in the SRAM 204 and the hard disk drive 34 is stored in the DRAM 208.
Will be deployed to.

FIG. 25 is a flowchart of the write processing in the emulation unit 36 of FIG.
First, in step S1, when an access request for write processing is issued from the host computer, in step S2, the effective address sent with the access request is converted into an address conversion mechanism having a conversion expression of the emulation type selected at that time. At 240, the disc number and the optical disc address of the optical disc cartridge are converted.

Subsequently, in step S3, after referring to the management data on the DRAM 208 and checking whether or not the mounting flag of the designated disk number is set to 1,
In step S4, it is checked whether or not there is a free area on the hard disk drive that operates as a cache. If there is a free area, data is written to the hard disk drive 34 in step S5.

In step S4, the hard disk drive 3
If there is no free area on the disk 4, the process proceeds to step S9, and the medium for writing the data is the optical disk drive 32.
-1 or 32-2 is checked, and if it is in the drive, data is written to the medium in step S10. If it is not in the drive, the process proceeds to step S11 to instruct the accessor controller 38 to move the medium, and in step S10, the data is written to the moved medium.

When the writing of the data in steps S5 and S10 is completed, the management information obtained by the writing is recorded and updated in the management data 250 of the SRAM 204 in step S6, and the SRAM 204 is updated in step S7. The contents of the management data 250 are copied and reflected in the management data 260 of the DRAM 208 and the management data of the hard disk drive 34. Finally in step S8,
Respond normally to write access.

FIG. 26 is a flow chart of the read processing of the emulation unit 36 of FIG. When there is an access request for read processing from the host computer in step S1, the effective address is converted into a disk number and an optical disk address according to the conversion formula of the emulation type specified at that time, and in step S3, the DRAM 208 of the DRAM 208 is converted. The management data 260 is accessed. Subsequently, in step S4, it is checked whether or not the data exists on the hard disk drive 34 that operates as a cache, and if it exists, the data is read from the hard disk drive 34 in step S5. If the data does not exist on the hard disk drive 34, it is checked in step S9 whether the medium in which the data exists is one of the optical disk drives 32-1 and 32-2. S
At 10, the data is read from the medium.

If there is no medium in which data exists in any of the optical disc drives 32-1 and 32-2, in step S11, the medium designated by the disc number to the accessor controller 38, for example, the optical disc drive 32 is used.
Command to move to -1, wait for completion of the move, and then step S
At 10, the data is read from the medium. After the data read in step S5 or step S10, step S
6, the management data accompanying the data read is transferred to the SRAM 204
Recorded in the management data 250 and updated, and the step S7
Then, the updated data is updated to the management data 26 of the DRAM 208.
0 and the management data of the hard disk drive 34, and finally, in step S8, a normal termination is returned to the host computer.

In the hard disk drive 34 that operates as a cache, the data written in the hard disk drive 34 by the write processing of FIG. 25 is managed by, for example, the LRU method, and it has not been accessed over a predetermined time. In this case, the write-back operation is performed in which the data is ejected from the hard disk drive 34 and written in the optical disk cartridge of the corresponding disk number.

FIG. 27 is a flow chart showing the processing when the emulation mode is changed during the operation of the optical disk library device of the present invention. First, step S1
Then, write back processing is performed to reflect all the data stored on the hard disk drive 34, which is currently operating as a cache, in the optical disk cartridge.

As a result, the hard disk drive 34
The latest data existing in is reflected in each optical disk cartridge. Then, in step S2, the optical disk cartridge is ejected from the apparatus. Specifically, the tray is pulled out by operating the eject switch 18 after turning on the key switch 16 of the operation panel 12 of the main body shown in FIG. 2, and as shown in FIG.
6-3 is taken out, the magazine rack storing the new optical disk cartridge is stored in the tray, and the tray is closed by pressing the eject switch 18 after the storage.

Next, in step S3, the power switch 14
With the device power turned off, the dip switch 2
After setting the switch for switching the type of the emulation form by 10, the power is turned on by the power switch 14, and step S of the flowchart of FIG.
The initialization process shown in 3 to step S7 is performed. Further, if necessary, in step S4, a medium for a new optical disk cartridge is newly inserted, or a medium used in the changed type before is inserted.

The selection for switching the type of the emulation form in step S3 is made by the dip switch 210 in FIG. 21, but in addition to the dip switch 210, the S from the host computer is selected.
A method of specifying by mode selection of the CSI command or a method of providing an emulation type selection switch on the operation panel 12 of the optical disk library device and selecting by this switch operation may be adopted.

Further, in the optical disk library apparatus of the present invention, it is expected that unformatted optical disk cartridges will be stored in the magazine rack 26-1 separately as shown in FIG. 28A when the type of the emulation mode is changed. It Even if the unformatted mediums are stored in pieces in this way, as shown in FIG. 28B, by replacing the medium slots by the accessor 28 after loading, the unformatted optical disc cartridges are loaded with the leading disc numbers 0 to 0. You can switch to 5.

This replacement is effective when, for example, the type 3 emulation mode is changed. That is, in the type 3 emulation form, LUN0 to
No. 5, it is necessary to store continuous unformatted optical disk cartridges, and if the unformatted optical disk cartridges are stored separately as shown in FIG. 28A, emulation cannot be realized for any of LUNs 0 to 5. .

Therefore, as shown in FIG. 28B, by transferring the unformatted optical disk cartridges to the disk numbers 0 to 5, the emulation of the disk numbers 0 to 4 of LUN0 can be realized. FIG. 29 shows another embodiment of the hardware configuration of the optical disk library device of the present invention. In this embodiment, the emulation unit 36 in the embodiment of FIG. 21 is removed, and the optical disk drive 32-1 is 1 It is characterized by being a stand. That is, if the configuration of FIG. 21 is the maximum configuration, the optical disk library device of the present invention can be said to be the minimum configuration of FIG.

This embodiment is also the same except that it has no emulation function. Further, an appropriate configuration is possible within the range of the maximum configuration of FIG. 21 and the minimum configuration of FIG. 6. Control of tray MPU1 provided in accessor controller 38 of FIG.
When the tray controller 230 realized by the program control of 82 operates the eject switch 18 with the tray 20 closed, the motor driver 192 drives the motor 86, and basically the tray 20 is fully opened as shown in FIG. Feed up to the position. However, depending on the installation location of the optical disk library device of the present invention,
Objects are placed in front of the tray 20 and the tray 20 cannot be fed to the fully open position of FIG.

Considering that the opening position of the tray 20 is limited, the discharge amount of the tray 20 can be arbitrarily set to the tray controller 230.
This tray discharge amount is set with three magazine racks 26.
-1 to 26-3 units or three magazine racks 26
It can be performed for each of the 36 slots realized by -1 to 26-3.

FIG. 30 shows the tray controller 2 of FIG.
The top magazine rack 26-
6 is a flowchart of a tray process when the discharge amount is set to 1 or less. First, in step S1, when the eject switch 18 is pressed while the tray 20 is closed,
At 2, the tray 20 feeds forward. This feed amount is determined by the tray discharge amount set in advance, and the step S3
Then, the tray 20 is opened so that the cartridge can be stored.

In this case, since cartridges cannot be stored in magazine rack units, in step S4, cartridges are inserted in arbitrary slots, for example, the frontmost slot of the magazine rack of the open tray. When the eject switch 18 is pressed in this state in step S5, feeding for storing the tray 20 is performed in step S6.

When the tray 20 is stored, step S7
Then, in accordance with an instruction from the host computer, the cartridge of the disk number 36 in the frontmost slot is carried to another slot which needs to be inserted under the control of the accessor 28. Then, in step S8, it is checked whether or not the injection is continued. If the injection is continued, the process returns to step S1 and the process is repeated.

In this process, the case where the cartridges are put in the frontmost slot number # 36 one by one and stored is described. However, after the cartridges are simultaneously inserted into a plurality of slots, they are inserted by the accessor. It can also be transported to the required slot. Therefore, in the optical disk library device of the present invention, the tray 20 is
If a cartridge of one sheet is opened at the discharge position where it can be inserted, at least one sheet can be taken in and out.

FIG. 31 is a detailed flowchart of the tray opening process in step S2 of FIG. When the tray motor rotation is started in step S1, the set tray ejection amount is counted in step S2, and it is checked in step S3 whether or not the count number is the set specified value. When the specified value is reached, the tray motor rotation is stopped in step S4.

Next, in the tray opening process of FIG. 31, the tray operation abnormality monitoring in the sensor detection process for counting the tray discharge amount will be described. FIG.
(A) shows the sensor driver 1 in the tray ejection operation in the lightest state in which no cartridge is placed on the tray.
It is a detection pulse train from the sensor 100 by 94. For such a detection pulse train of the sensor of FIG.
As shown in FIG. 32B, a constant sampling time Ts is set from the rising edge of the detection pulse, a monitoring timer is activated after the sampling time Ts has elapsed, and a constant monitoring time Tw is set.

Then, during this monitoring time Tw, as shown in FIG.
If the detection pulse of (A) is turned on, it is recognized that the tray ejection operation is normally performed. On the other hand, when the detection pulse is turned on after the monitoring time Tw is exceeded, it is determined that the movement of the tray is abnormal. However, the tray 20 becomes considerably heavy when the cartridge shown in FIG. 32 is not mounted and when the cartridge is inserted into all the slots. On the other hand, in order to reduce the size and weight of the device, the motor having a relatively low torque is used. As shown in FIG. 33A, the maximum tray weight reduces the speed and lengthens the detection pulse interval. In such a case, as shown in FIG. 33B, when the fixed monitoring time Tw is set after the elapse of the sampling time Ts, the monitoring time Tw is deviated even though the tray is operating normally. When the detection pulse is turned on, it is determined that the tray is operating abnormally.

In order to prevent an error in the monitoring operation caused by such a speed change due to a change in the tray weight, the tray controller 230 of FIG. 21 detects one or a plurality of detections immediately after the tray discharging operation is started. The sampling period is measured from the pulse period, and the sampling time of the monitoring time Tw is set based on the measured period. FIG. 34
Is the setting of the sampling time based on the measurement of the cycle of the detection pulse, and is the case of the maximum weight in which all the optical disk cartridges are mounted on the tray 20, and as shown in FIG. 34 (A), the pulse interval of the detection pulse is the speed. It has become longer due to decline. Therefore, as shown in FIG. 34B, the period Tsx of the detection pulse is measured, and the measured period Tsx is shown in FIG.
As the sampling time Tsx of (B), the start time Tw is set thereafter.

Therefore, even if the tray moving speed changes due to the change in tray weight, the start time Tw is set after the sampling time Tx based on the cycle of the detection pulse corresponding to this change in speed, and the tray operates normally. If so, the detection pulse is turned on within the range of the monitoring time Tw, and it is possible to reliably prevent erroneous determination as abnormal operation due to speed fluctuation.

Further, the monitoring time Tw is not set to be a fixed time, but is set as a time calculated at a constant ratio to the sampling time Tsx, whereby the optimum time width of the monitoring time Tw can be set according to the variation of the sampling time Tsx. . The present invention is not limited to the above-mentioned embodiments, and can be appropriately modified without departing from the object of the present invention. Further, the present invention is not limited by the numerical values shown in the embodiments.

[0112]

As described above, according to the present invention, the following effects can be obtained. First of all, by realizing a compact device shape, it can be used as a tabletop type device that can be placed on a desk and used, and the installation space of the library device can be saved and usability can be improved. Further, since the housing has a double structure, an object such as a display can be placed on the device.

Also, by assembling the drive mechanism of the accessor or tray and the other circuit unit into separate bases due to the double structure on the base side of the housing, assembly, inspection and repair can be facilitated. As described above, according to the present invention, the following effects can be obtained. In the magazine rack used in the present invention, it has a box shape with a handle at the top,
Since the magazine rack can be easily put in and taken out from the tray and can be easily held with one hand in terms of weight, the handling becomes easier.

Further, unused magazine racks can be arranged side by side on a desk or the like by utilizing the upper and lower fitting structures, so that they can be easily organized. In addition, since it has a substantially cubic overall shape in the medium storage state, it has high stability when placed on a desk and high space efficiency when stacked. Further, since the medium cartridge is partially stored without being completely stored in the magazine rack, the magazine rack can be made compact, and as a result, the apparatus can be made compact.

Further, since the cartridge reverse insertion preventing mechanism is provided, it is possible to reliably prevent the cartridge from being inserted in the wrong direction, and a label indicating the cartridge inserting direction is attached to the side surface of the rack. Thus, the cartridge can be easily inserted into the rack.

[Brief description of drawings]

FIG. 1 is a diagram illustrating the principle of the present invention.

FIG. 2 is an explanatory view of the appearance of the device of the present invention.

FIG. 3 is an explanatory view showing an internal structure in a see-through state.

FIG. 4 is a vertical sectional view of the apparatus main body.

FIG. 5 is a plan view of the apparatus main body with an upper cover removed.

FIG. 6 is a plan view of the apparatus main body with the reinforcing plate shown in FIG. 5 removed.

7 is a plan view of the apparatus main body with the magazine rack of FIG. 6 removed.

FIG. 8 is a plan view showing the tray drive mechanism in a transparent state.

FIG. 9 is an explanatory view of the tray withdrawn state as seen from the rack attachment / detachment side.

FIG. 10 is an explanatory diagram showing the tray being pulled out from the back side of the tray.

FIG. 11 is an explanatory diagram of a rack attaching / detaching operation with respect to the tray.

FIG. 12 is an explanatory diagram of a cooling air path in the present invention.

FIG. 13 is an explanatory view of a fan unit with a filter used in the present invention.

FIG. 14 is an explanatory view of a cooling air path as seen from the plane of the apparatus of the present invention.

FIG. 15 is an explanatory view of a cooling air path as seen from a vertical section of the apparatus of the present invention.

FIG. 16 is an explanatory diagram of a magazine rack used in the present invention

FIG. 17 is a bottom view of the magazine rack of the present invention.

FIG. 18 is a vertical sectional view of the magazine rack shown together with the cartridge.

FIG. 19 is a side view of the magazine rack of the present invention in a cartridge storage state.

FIG. 20 is an explanatory view showing the magazine racks of the present invention stacked in two stages.

FIG. 21 is a circuit block diagram of the hardware configuration of the present invention.

FIG. 22 is an explanatory diagram of a logical unit number LUN and a head disk number when the third type is selected.

FIG. 23 is an explanatory diagram of management data in the emulation unit of the present invention.

FIG. 24 is a flowchart of initialization processing and startup processing when the power is turned on.

FIG. 25 is a flowchart of write processing.

FIG. 26 is a flowchart of read processing.

FIG. 27 is a flowchart of emulation form change processing.

FIG. 28 is an explanatory diagram of an initialization process when unformatted media are inserted in pieces.

FIG. 29 is a circuit block diagram showing another embodiment of the hardware configuration of the present invention.

FIG. 30 is a flowchart of control when the tray discharge amount is set small.

FIG. 31 is a flowchart of a tray opening process

FIG. 32 is a time chart of a sampling period and a monitoring time zone for a sensor detection pulse when the tray is light.

FIG. 33 is a time chart of the sampling period and the monitoring time zone for the sensor detection pulse when the tray is heavy.

FIG. 34 is a time chart when the period of the detection pulse is measured and the sampling time and the monitoring time zone are set.

[Explanation of symbols]

 10: Device main body 12: Operation panel 14: Power switch 16: Key switch 18: Eject switch 20: Tray 22: Air intake port 23: Air exhaust port 24: Online indicator light 26, 26-1 to 26-3: Magazine rack 28: Accessor 30, 94: Gear Belt 32-1, 32-2: Optical Disk Drive (ODD) 34: Hard Disk Drive (HHD) 36: Emulation Unit 38: Accessor Controller 40: Power Supply Unit 42: Fan Unit with Filter 44: Outer Base 46: Inner base 48: Upper cover 50: Gap 52, 54: Guide rails 56-1, 56-2: Picker 58: Guide plate 60-1, 60-2: Guide pin 62-1, 62-2: Guide groove 64, 66: Reinforcement Rate 68, 86: Motor 70, 88: Worm gear 72, 90: Worm wheel gear 74: Gear 76, 78, 92, 96: Gear pulley 80, 98: Tension pulley 82-1, 82-2: Stopper 84-1 to 84 -3: Magazine storage section 86-1 to 86-3: Lock member 100: Sensor 101: Sensor plate 102: Cartridge 104: Tray storage port 106: Side wall 108: Bottom wall 110-1 to 110-3: Pressing member 112: Handle 120: Filter case 122, 128: Suction port 124: Paper filter 126: Fan 130: Support plate 134, 136, 138: Hole 140, 142: Side wall 144: Bottom wall 146: Partition 148-1 to 148-12: Slot 150: Upper wall 152: Hinge 154, 156: Protrusion 15 , 160: Fitting hole 162, 164: Stopper 166, 168: Ditch groove 172: Lock groove 174, 176: Rectangular groove 178: Label 180: SCSI bus 182, 200: MPU 184, 202: SCSI unit 186, 192: Motor Driver 188, 194: Sensor driver 190: Sensor 196: Display unit 198: Tray drive mechanism 204: SRAM 206: Backup power supply 208: DRAM 210: Dip switch

─────────────────────────────────────────────────── ───

[Procedure amendment]

[Submission date] September 8, 1995

[Procedure Amendment 1]

[Document name to be amended] Statement

[Name of item to be corrected] Claim 5

[Correction method] Change

[Correction content]

[Procedure Amendment 2]

[Document name to be amended] Statement

[Correction target item name] 0081

[Correction method] Change

[Correction content]

Then, in step S2, initialization is designated.
It is and whether to check, in this case is designated initialized
Since that, the process proceeds to step S3. In step S3, the emulation type selection information set in the device by the dip switch 210 is acquired. Then, in step S4, a conversion formula for converting the effective address from the host computer into the optical disk address is determined based on the acquired emulation type selection information.

[Procedure 3]

[Document name to be amended] Statement

[Correction target item name] 0085

[Correction method] Change

[Correction content]

[0085] Data to be stored in DRAM208 is either SRAM 204, the hard disk drive 34 Nodochi
Existently . Then, at the next start-up process when the power is turned on, the management data recorded in each of the SRAM 204 and the hard disk drive 34 is expanded in the DRAM 208 in steps S8 and S9.

[Procedure amendment 4]

[Document name to be corrected] Drawing

[Name of item to be corrected] Fig. 24

[Correction method] Change

[Correction content]

FIG. 24

Claims (11)

[Claims] 1. A magazine rack of an optical disk library device having a plurality of slots for accommodating media and arranged in a depth direction of a tray movably provided at a front opening of the device, in a tray accommodating state. A magazine rack for an optical disk library device, which has a box-shaped rack main body that is opened laterally with respect to the tray loading / unloading direction, and the rack main body is provided with a foldable handle at the top. 2. The magazine rack of the optical disk library apparatus according to claim 1, wherein the rack body has a number of slots that can be held by one hand with a medium stored in all the slots. Optical disk library device. 3. A magazine rack of an optical disk library apparatus according to claim 2, wherein said rack main body has 12 slots when said medium is a 3.5 optical disk cartridge. apparatus. 4. The magazine rack of the optical disk library apparatus according to claim 1, wherein the rack body has fitting portions on each of an upper surface and a lower surface that are fitted together when piled up with another magazine rack. An optical disk library device provided. 5. A magazine rack for an optical disk library apparatus according to claim 5, wherein the rack body has a fitting protrusion on an upper surface and a fitting receiving hole on a lower surface. . 6. The magazine rack of the optical disk library apparatus according to claim 1, wherein the rack body accommodates the medium in each of the slots with a part of the medium protruding toward the insertion side. An optical disk library device having an approximately cubic overall shape in a state where the medium is accommodated in a slot. 7. The magazine rack of the optical disk library apparatus according to claim 1, wherein the rack main body is provided with stoppers fitted to grooves on the medium side at upper and lower inner surface positions of the slot. Optical disk library device. 8. The magazine rack of the optical disk library device according to claim 7, wherein the stopper is formed integrally with the rack body. 9. The magazine rack of the optical disk library apparatus according to claim 1, wherein the rack body prevents reverse insertion of a medium at an inlet side of an upper inner surface of the slot in order to prevent reverse insertion of a medium in a vertical direction. An optical disk library device having a claw. 10. The magazine rack of the optical disk library apparatus according to claim 1, wherein the reverse insertion claw has a spring plate formed with claws corresponding to the number of slots, the entrance side of the upper inner surface of the main body. An optical disk library device characterized by being fixed to. 11. The magazine rack of the optical disk library apparatus according to claim 1, wherein the rack main body is provided with a label indicating a medium insertion direction on a side surface of the main body.