WO2004109672A1 - 光情報記憶装置および光情報記憶システム - Google Patents
光情報記憶装置および光情報記憶システム Download PDFInfo
- Publication number
- WO2004109672A1 WO2004109672A1 PCT/JP2003/007024 JP0307024W WO2004109672A1 WO 2004109672 A1 WO2004109672 A1 WO 2004109672A1 JP 0307024 W JP0307024 W JP 0307024W WO 2004109672 A1 WO2004109672 A1 WO 2004109672A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- information
- optical
- medium
- disk
- optical storage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
- G11B17/22—Guiding record carriers not specifically of filamentary or web form, or of supports therefor from random access magazine of disc records
- G11B17/225—Guiding record carriers not specifically of filamentary or web form, or of supports therefor from random access magazine of disc records wherein the disks are transferred from a fixed magazine to a fixed playing unit using a moving carriage
Definitions
- the present invention relates to an optical information storage device for accessing an optical storage medium to which information is accessed by light, and to an optical information storage system obtained by integrating a plurality of optical information storage devices.
- a magnetic tape storage device which is a type of large-capacity information storage device, can realize a large capacity exceeding that of a hard disk at low cost.However, since a magnetic tape is a sequential medium for reading and writing information sequentially, Due to the difficulty in information input / output speed, it is currently used only for long-term storage of information.
- An optical information storage device that stores information on a hard disk or magnetic tape that has these drawbacks using an optical storage medium typified by an MII or DVD can read and write information at high speed. Due to technological innovations such as the development of diodes and surface recording methods, a dramatic increase in capacity can be expected in the near future, and realization of storage capacity comparable to magnetic tape storage devices is also expected. Is attracting attention as a next-generation storage device.
- next-generation optical information storage devices include a magazine for storing a plurality of optical storage media, a drive for reading and writing information from and to the optical storage medium, and an optical storage medium between the magazine and the drive.
- An optical information storage device in which the changer for moving the light is stored compactly in the housing is conceivable. If such an optical information storage device is realized, the capacity can be easily expanded by increasing the number of optical storage media or arranging a plurality of optical information storage devices. Maintenance can also be easily performed by attaching / detaching or replacing the optical storage medium.
- Patent Documents 1 and 2 disclose a disc autochanger that realizes accurate delivery of a disc
- Patent Documents 3 and 4 disclose a disc autochanger that achieves a smaller device
- Patent Document 5 describes a disk changer device that realizes miniaturization of the device and accurate delivery of the disk.
- Patent Document 3 Patent Document 3
- Patent Document 4 Japanese Patent Application Laid-Open No. 9-82010 (Patent Document 4)
- Patent Document 5 (Patent Document 5) ''
- the information divided and recorded on a plurality of optical storage media can be processed at high speed as if the information were recorded on one optical storage medium. Access is considered to be an issue. In order to solve this problem, it is necessary to exchange the optical storage medium on which reading and writing have been completed and the optical storage medium on which reading and writing will be performed next at high speed. The technology is unknown. Disclosure of the invention
- the present invention provides an optical information storage device capable of automatically exchanging an optical storage medium for which information access has been completed and a new optical storage medium for which information access is to be performed next at high speed, and a plurality of optical storage media
- An object of the present invention is to provide an optical information storage system in which information storage devices are integrated.
- optical information storage device of the present invention that achieves the above object
- a medium storage unit in which a plurality of optical storage media to be accessed by light are stored; an information access unit loaded with the optical storage media to access information to the optical storage media;
- the supply process of moving the optical storage medium along the supply path from the medium storage section to the information access section, and another optical storage medium can pass the optical storage medium on the supply path from the information access section.
- a collection unit for performing a collection process of moving the optical storage medium along a collection path toward the medium storage unit can pass the optical storage medium on the supply path from the information access section.
- the optical storage medium for which information access has been completed is moved along the recovery path, and the new optical storage medium to be accessed for information is moved along the supply path.
- Supply process and recovery of those optical storage media The process can be performed simultaneously. Therefore, high-speed automatic exchange of optical storage media can be realized.
- the medium moving section loads the optical storage medium into the information access section at the end of a supply step, and releases the optical storage medium from the information access section at the beginning of a recovery step.
- the information access unit includes a position of the optical storage medium when the optical storage medium is loaded by the medium moving unit, and a position of the optical storage medium when the optical storage medium is opened by the medium moving unit. Are preferably different from each other.
- optical information storage system of the present invention comprises:
- a medium storage unit in which a plurality of optical storage media to be accessed by light are stored; an information access unit in which the optical storage medium is loaded to access information to the optical storage medium;
- the supply process of moving the optical storage medium along the supply path toward the access unit and another optical storage medium can pass the optical storage medium on the supply path.
- a plurality of optical information storage devices including a medium moving unit that executes a collection process of moving the optical storage medium along a collection path toward
- a system housing in which a plurality of optical information storage devices are detachably mounted
- control unit for controlling information access in each of the plurality of optical information storage devices mounted on the system housing.
- a plurality of optical information storage devices in which a medium storage unit, an information recording / reproducing unit, and a medium moving unit are compactly housed in a blade housing are provided.
- a storage system with a large capacity can be constructed.
- the capacity can be easily expanded by increasing the number of optical storage media and optical information storage devices, and maintenance can be easily performed by attaching / detaching and replacing the medium storage unit and the optical information storage device.
- FIG. 1 is an external view showing each embodiment of the optical information storage system and the optical information storage device of the present invention.
- FIG. 2 is a simplified configuration diagram of the blade device.
- FIG. 3 is a functional block diagram showing the functional structure of the blade device.
- FIG. 4 is a diagram showing an MO disk stored in a magazine.
- FIG. 5 is a diagram illustrating a configuration of the moving unit.
- FIG. 6 is a diagram illustrating the upper surface of the upper guide rail with respect to the grooved lower surface.
- FIG. 7 is a diagram illustrating the MO disk loaded in the drive.
- FIG. 8 is a simplified diagram showing the movement of the moving unit and the MO disk.
- FIG. 9 is a diagram illustrating the movement of the drive.
- FIG. 10 is a diagram showing a configuration of a holding claw for fixing the MO disk to the tray and a pin for pressing the holding claw.
- FIG. 1 is an external view showing each embodiment of the optical information storage system and the optical information storage device of the present invention.
- FIG. 1 shows a blade device 10 corresponding to an embodiment of the optical information storage device of the present invention using a magneto-optical (M ⁇ ) disk as an example of the optical storage medium according to the present invention.
- a collective system 20 corresponding to one embodiment of the optical information storage system of the present invention, in which 10 blade devices 10 are incorporated, is shown.
- a plurality of blade devices 10 are detachably mounted on the housing 21 of the collective system 20.
- the housing 21 corresponds to an example of a system housing according to the present invention.
- a magazine 12 storing a plurality of MO disks is detachably disposed.
- Magazine 1 2 is a blade device 1 0 Is detachable even when inserted into the housing 21 of the collective system 20.
- This magazine 12 corresponds to an example of the medium storage unit according to the present invention.
- control device 22 that controls recording and reproduction of information in each of the plurality of blade devices 10.
- the control device 22 corresponds to an example of the control unit according to the present invention.
- Such a collective system 20 is a compact and large-capacity storage system in which a plurality of blade devices 10 are compactly housed in a housing 21.
- the capacity can be easily expanded by increasing the number of MO disks and blade devices 10, and maintenance can be easily performed by attaching / detaching or replacing the magazine 12 or the blade device 10.
- FIG. 2 is a simplified configuration diagram of the blade device.
- the blade device 10 also shown in FIG. 1 includes, in a housing 11, the above-described magazine 12, an information access unit 15 for recording and reproducing information on and from the MO disk 13, and a magazine 12. And a moving unit 14 for moving the MO disk 13 between the computer and the information access unit 15.
- the magazine 12 a plurality of MO disks 13 are stored side by side.
- the magazine 12 is provided with an extrusion mechanism (not shown) for extruding the MO disk 13.
- the extrusion mechanism receives information specifying the MO disk 13 from a control unit (described later). Then, the MO disk 13 according to the information is pushed out to the moving section 14.
- the moving section 14 includes a supply groove 14 a through which the M ⁇ disk 13 is guided in a supply process in which the MO disk 13 is moved from the magazine 12 to the information access section 15, and a M ⁇ disk.
- recovery grooves 14 b for guiding the M ⁇ disk 13 are separately provided.
- the M ⁇ disk 13 is pushed out into the supply groove 14 a of the moving part 14 by the extrusion mechanism of the magazine 12, and the moving part 14 transfers the M ⁇ disk 13 along the supply groove 14 a along the supply groove 14 a. Move toward the access unit 15 and load it into the information access unit 15. Further, the MO disk 13 for which the information access has been completed is arranged in the collecting groove 14b by the information access unit 15, and the moving unit 14 releases the MO disk 13 from the information access unit 15. The opened M ⁇ disk 13 is inserted into the collecting groove 14 b. It is moved along and returned to Magazine 12.
- the supply groove 14a corresponds to an example of a supply path according to the present invention
- the recovery groove 14b corresponds to an example of a recovery path according to the present invention.
- the moving unit 14 corresponds to an example of the medium moving unit according to the present invention. The method of moving the M ⁇ disk 13 will be described later in detail.
- the information access unit 15 includes drives 15a and 15b, and corresponds to an example of the information access unit according to the present invention.
- the MO disk 13 is moved to the loading position 14 c on the supply groove 14 by the moving unit 14, both drives of the drives 15 a and 15 b move toward the M ⁇ disk 13 and sandwich the MO disk 13. Read and write information.
- the drives 15a and 15b move to the open position 14d on the collecting groove 14b while holding the MO disk 13, and release the MO disk 13 on the open position 14d.
- the loading position 14 c corresponds to an example of the “position of the optical storage medium when the optical storage medium is loaded” according to the present invention
- the release position 14 d corresponds to the “position of the optical storage medium when the optical storage medium is opened” according to the present invention.
- the loading method and the releasing method of the MO disk 13 will be described later.
- One end of the blade device 10 opposite to the magazine 12 is provided with an interface connector 16a for transferring data between the blade device 10 and the outside.
- the connector 16a is inserted into the housing 21 of the collective system 20, the connector 16a is joined to the connector of the collective system 20.
- FIG. 3 is a functional block diagram showing the functional structure of the blade device.
- the blade device 10 includes the magazine 12, the moving unit 14, and the information access unit 15, and further includes a control unit 17 that controls the moving unit 14 and the information access unit 15, and FIG.
- the interface 16 corresponds to the connector 16a shown and transfers data between the blade device 10 and the outside.
- the interface 16 is selected from well-known high-speed serial interfaces such as IEEE 1394, USB, and serial ATAP I, and the detailed description thereof is omitted.
- the information access unit 15 has a spindle motor 151 that holds and rotates the MO disk, and irradiates laser light to the M ⁇ disk to record and reproduce information.
- a head 152 is provided separately for magazines 15a and 15b shown in FIG.
- the information access unit 15 also includes a read / write channel 153 and a first-in first-out (FIFO) memory 154 functioning as a buffer.
- FIFO first-in first-out
- the magazine 12 is provided with an FRAM 18 in which the disk number of the stored MO disk, address information of the storage of the MO disk, and the like are stored.
- the control unit 17 When the control unit 17 receives the unique information for designating the MO disk from outside the device via a path (not shown) through the interface 16, the unique information is indicated based on the information stored in the FRAM 18. Find the M ⁇ disk and instruct the magazine 12 and moving unit 14 on the found MO disk. When a new MO disk is stored in the magazine 12 or the location where the MO disk is stored is changed, the disk number and address information of the MO disk stored in the FRAM 18 are updated.
- the blade device 10 is provided with an access path 19 for directly accessing the FRAM 18 from the outside of the blade device 10 by bypassing the control unit 17.
- the information stored in the FRAM 18 can be externally confirmed via the access path 19.
- the blade device 10 is basically configured as described above.
- the feature of the blade device 10 as the embodiment of the present invention is mainly the movement of the moving unit 14 and the information access unit 15. The following description focuses on these characteristics.
- FIG. 4 is a diagram showing an MO disk stored in a magazine.
- the MO disk 13 is stored in a magazine 12 shown in FIGS. 1 to 3 in a state of being placed on a tray 13a.
- the tray 13a has guide guide pins 13b-1 and 13b-2 that fit into the supply groove 14a and the recovery groove 14b shown in Fig. 2, and a holding claw that fixes the M ⁇ disk 13 to the tray 13a. 13c, and the MO disk 13 is fixed on the tray 13a by the holding claws 13c.
- FIG. 5 is a diagram illustrating a configuration of the moving unit.
- the moving section 14 is provided with an upper guide rail 14 1 and a lower guide rail 14 2.
- the upper guide rail 14 1 and the lower guide rail 14 2 have a supply groove also shown in FIG. 14a and a recovery groove 14b are provided.
- the upper guide rails 14 1 and the lower guide rails 14 2 are used, for example, when information is accessed in the information access unit 15 or when the MO disk 13 is placed on the moving unit 14.
- the robot In response to the instruction from the control unit 17 shown in Fig. 7, the robot is moved in the opening and closing directions (up and down directions).
- a supply drive arm 144 with a claw hole 144a is fitted in the supply groove 144a side of the upper guide rail 144, and the collection groove of the upper guide rail 144.
- a recovery driving arm 144 provided with a claw hole 144a is fitted.
- the guide guide pins 13b-2 of the tray 13a are fitted into the supply grooves 14a and the recovery grooves 14b of the lower guide rails 142, and the guide guide pins 13b-1 are Through the supply drive arm 1 4 4 claw hole 1 4 4 a and the recovery drive arm 1 4 3 claw hole 1 4 3 a, the upper guide rail 1 4 1 supply groove 1 4 a and recovery groove 1 4 b
- the M ⁇ disk 13 is arranged on each groove by being inserted into the groove.
- FIG. 6 is a diagram illustrating an upper surface of the upper guide rail with respect to a lower surface provided with each groove.
- a pinion gear 1 4 5 is provided on the upper surface of the upper guide rail 1 4 1, and a pinion gear 1 4 5 is provided, and the supply drive arm 1 4 4 and the recovery drive arm 1 4 3 fitted into the upper guide rail 1 4 1 have a pinion gear.
- the teeth 1 4 4 b and 1 4 3 b meshing with the gears 1 4 5 are provided, respectively.
- the gear of the pinion gear 144 meshes with the teeth 144b and 144b, so that the supply drive arm 144 and the recovery drive arm 144 come into contact with each other. Are moved in the opposite direction.
- FIG. 7 is a diagram showing an M ⁇ disk loaded in the drive.
- the MO disk 13 is moved by the moving unit 14 toward the information access unit 15 while being fixed to the tray 13a.
- the drives 15a and 15b hold the MO disk 13 together with the tray 13a.
- Each component of the blade device 10 is configured as described above.
- FIG. 8 is a simplified diagram showing the movement of the moving unit and M ⁇ disk when a series of operations are performed by loading the MO disk stored in the magazine into the drive to perform information access, and then returning the MO disk to the magazine.
- FIG. 9 is a diagram showing the movement of the drive when the series of operations is performed.
- FIG. 8 for the sake of simplification of the drawing, the positions of the recovery drive arm 144 and the supply drive arm 144 are provided with respective claw holes 144a and 144a. The position of the end on the side that is shown is representatively shown.
- the supply drive arm 144 is arranged on the side closer to the drive 12 and the collection drive arm 144 is arranged near the information access unit 15 I have.
- the magazine 12 Upon receiving the information specifying the M ⁇ disk 13-1 from the control unit 17 shown in FIG. 3, the magazine 12 pushes out the M ⁇ disk 13-1 according to the information toward the moving unit 14 .
- the guide guide pins 13b-2 of the tray 13a shown in Fig. 5 fixed to the MO disk 13-1 are fitted into the supply grooves 14a of the lower guide rails 14-2, the upper The guide rail 1 4 1 is moved downward, and the guide guide pins 1 3 b— 1 pass through the claw holes 1 4 4 a of the supply drive arm 1 4 4, and the supply groove 1 4 of the upper guide rail 1 4 1 (Step S 2 in FIG. 8).
- Part (A) of FIG. 9 is a cross-sectional view taken along arrow AA ′ when the information access unit 15 is viewed from the magazine 12 in the view of step S2 in FIG.
- the M ⁇ disk 1 3 __ 1 is fixed to the tray 1 3 a by the holding claw 1 3 c, It is arranged on the supply groove 14a.
- the supply drive arm 14 4 faces the information access unit 15 as shown in step S 3 in FIG.
- the MO disk 13-1 is moved to the loading position 14c (loading of the M ⁇ disk).
- the collection drive arm 144 is moved in the direction toward the magazine 12 opposite to the direction in which the supply drive arm 144 moves.
- Part (B) of FIG. 9 is a cross-sectional view taken along arrow B B ′ when the information access unit 15 is viewed from the magazine 12 in the step S 3 of FIG.
- the MO disk 13-1 is located at the loading position 14c between the drive 15a and the drive 15b.
- the drive 15b is provided with a pin 15c for pressing the holding claw 13c.
- the drive 15a and the drive 15b are moved to the M ⁇ disk 13-1, as shown in step S4 of FIG. Moved.
- the MO disk 13 _ 1 is gripped by the drive 15 a and the drive 15 b, the upper guide rail 14 1 is moved upward and the lower guide rail 14 2 is moved downward, and The gap opens, and the MO disk 13-1 is removed from each guide rail.
- the information access unit 15 starts information access to the M ⁇ disk 13-1.
- the supply drive arm 144 is moved to the side closer to the magazine 12 as in step S1, and the Thus, the collection drive arm 144 is moved to a side closer to the information access unit 15.
- Part (C) of FIG. 9 is a cross-sectional view taken along arrow CC ′ when the information access unit 15 is viewed from the magazine 12 in the step S4 of FIG.
- FIG. 10 is a diagram showing a configuration of a pressing claw for fixing the MO disk to the tray and a pin for pressing the pressing claw.
- the MO disk 13-1 is fixed to the tray 13a by holding claws 13c provided on the tray 13a.
- the pin 15c of the drive 15b also shown in FIG. 9 is inserted into the hole 13d provided in the tray 13a. At this time, the pin 15c pushes up the holding claw 13c, and the MO disk 13-1 is removed from the tray 13a (part (F) in FIG. 10).
- Part (G) of FIG. 10 is a cross-sectional view taken along arrow aa ′ of part (F).
- the pin 15c is a so-called latched pin provided with an openable / closable latch 15d.
- the latch 15d closes and slips out of the hole 13d, but if the pin 15c is pulled with a smaller force, the latch 15d remains open to some extent.
- the latch 13d is hooked on the hole 13d, and is fixed to the tray 13a. Also, at this time, the pin 15c cannot sufficiently push up the holding claw 13c, and the MO disk 13-1 is fixed to the tray 13a. This state is applied when the MO disk 13-1 described later is moved from the loading position 14c to the opening position 14d.
- the drives 15a and 15b move from the loading position 14c to the open position 14d on the recovery groove 14b while holding the MO disk 13-1. Release the MO disk 13-1 at the open position 14d (step S5 in FIG. 8).
- Part (D) of FIG. 9 is a cross-sectional view taken along arrow DD ′ when the information access unit 15 is viewed from the magazine 12 in the view of step S5 in FIG.
- step S5 in FIG. 8 when the M ⁇ disk 13-1 is removed from the information access unit 15, the drives 15a and 15b move to their original positions. At this time, the upper guide rail 144 is moved upward, and the lower guide rail 144 is returned to the original position. Further, by the same operation as in step S2, the M ⁇ disk 13-2 stored in the magazine 12 and then accessed for information is pushed out into the supply groove 14a of the lower guide rail 144. It is. Thereafter, the upper guide rail 14 1 is returned to the original position, and the MO disk 13-1 is placed in the recovery groove 14 b and the MO disk 13-2 is placed in the supply groove 14 a.
- the recovery drive arm 1443 is moved toward the magazine 12 and the recovery drive arm is moved along with the movement. It is moved toward the access unit 15 (step S6 in FIG. 8).
- the M ⁇ disk 13-1 which has been moved along the collection groove 14b and the information access has been completed, and the new MO disk 13-3-2 which has been moved along the supply groove 14a
- the new MO disk 13-2 is placed at the loading position 14c (MO disk loading) as the movement progresses, and the M ⁇ disk 13-1 is moved from the open position 14d to the magazine 1 Moved to just before 2 (M ⁇ disk release). Further, when the upper guide rail 14 1 shown in FIG. 5 is moved upward by the moving section 14, the M ⁇ disk 13-1 is returned to the magazine 12 (step S 7 in FIG. 8). .
- the M ⁇ disk 13-1 whose information access has been completed is exchanged with the MO disk 13-2 whose information access is to be performed.
- the moving unit collects the MO disk through a collection process different from the supply path in which the MO disk is moved when the M ⁇ disk is supplied to the drive.
- the MO disk can be used to move the supply process and the recovery process at the same time, reducing the time required to replace MO disks. Can be. Also, since the loading position where the MO disk is loaded and the opening position where the M ⁇ disk is released are designed separately, loading of a new M ⁇ disk and opening of the MO disk for which information access has been completed are completed. It can be done at the same time, and the MO disk can be changed more quickly.
- an M ⁇ disk is shown as an example of the optical storage medium according to the present invention, but the optical storage medium according to the present invention may be a DVD or the like.
- an information access unit that records and reproduces information on an M ⁇ disk is shown as an example of the information access unit according to the present invention. Any one of recording and reproduction of information on a medium may be performed.
- the M ⁇ disk is inserted into the guide rail and the guide rail is moved by the pinion gear to move the M ⁇ disk together with the tray.
- a moving unit for moving the MO disk is shown, the medium moving unit according to the present invention may be, for example, one that rolls and moves an MO disk.
Landscapes
- Automatic Disk Changers (AREA)
Abstract
Description
Claims
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005500532A JPWO2004109672A1 (ja) | 2003-06-03 | 2003-06-03 | 光情報記憶装置および光情報記憶システム |
| PCT/JP2003/007024 WO2004109672A1 (ja) | 2003-06-03 | 2003-06-03 | 光情報記憶装置および光情報記憶システム |
| AU2003241966A AU2003241966A1 (en) | 2003-06-03 | 2003-06-03 | Optical information storage device and optical information storage system |
| US11/151,148 US7372783B2 (en) | 2003-06-03 | 2005-06-13 | Optical information storage apparatus and optical information storage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2003/007024 WO2004109672A1 (ja) | 2003-06-03 | 2003-06-03 | 光情報記憶装置および光情報記憶システム |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US11/151,148 Continuation US7372783B2 (en) | 2003-06-03 | 2005-06-13 | Optical information storage apparatus and optical information storage system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2004109672A1 true WO2004109672A1 (ja) | 2004-12-16 |
Family
ID=33495908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2003/007024 Ceased WO2004109672A1 (ja) | 2003-06-03 | 2003-06-03 | 光情報記憶装置および光情報記憶システム |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US7372783B2 (ja) |
| JP (1) | JPWO2004109672A1 (ja) |
| AU (1) | AU2003241966A1 (ja) |
| WO (1) | WO2004109672A1 (ja) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59231757A (ja) * | 1983-06-13 | 1984-12-26 | Toshiba Corp | デイスクオ−トチエンジヤ−装置 |
| JPS6325865A (ja) * | 1986-07-17 | 1988-02-03 | Matsushita Electric Ind Co Ltd | デイスク自動演奏装置 |
| US6006308A (en) * | 1997-03-14 | 1999-12-21 | Hitachi, Ltd. | Removable library media system utilizing redundant data storage and error detection and correction |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2603355B2 (ja) | 1990-04-24 | 1997-04-23 | ローム株式会社 | 集積回路装置 |
| JP2554404B2 (ja) * | 1990-05-21 | 1996-11-13 | インターナショナル・ビジネス・マシーンズ・コーポレイション | 自動記憶ライブラリ |
| US5239650A (en) * | 1990-05-21 | 1993-08-24 | International Business Machines Corporation | Preemptive demount in an automated storage library |
| JPH0727442B2 (ja) * | 1991-09-11 | 1995-03-29 | インターナショナル・ビジネス・マシーンズ・コーポレイション | データ記憶装置階層構造におけるヒット率を向上させる方法およびそのための装置 |
| JP3055247B2 (ja) | 1991-10-02 | 2000-06-26 | 味の素株式会社 | 低カロリーアイスクリーム類の製造法 |
| JPH0845164A (ja) | 1995-07-07 | 1996-02-16 | Pioneer Electron Corp | ディスク再生装置 |
| JP3090410B2 (ja) | 1995-09-12 | 2000-09-18 | 松下電器産業株式会社 | ディスクチェンジャー装置 |
| JPH09282770A (ja) | 1996-04-17 | 1997-10-31 | Funai Electric Co Ltd | ディスクオートチェンジャー |
| JP3557794B2 (ja) | 1996-07-15 | 2004-08-25 | ソニー株式会社 | ディスクチェンジャ装置 |
-
2003
- 2003-06-03 WO PCT/JP2003/007024 patent/WO2004109672A1/ja not_active Ceased
- 2003-06-03 AU AU2003241966A patent/AU2003241966A1/en not_active Abandoned
- 2003-06-03 JP JP2005500532A patent/JPWO2004109672A1/ja active Pending
-
2005
- 2005-06-13 US US11/151,148 patent/US7372783B2/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59231757A (ja) * | 1983-06-13 | 1984-12-26 | Toshiba Corp | デイスクオ−トチエンジヤ−装置 |
| JPS6325865A (ja) * | 1986-07-17 | 1988-02-03 | Matsushita Electric Ind Co Ltd | デイスク自動演奏装置 |
| US6006308A (en) * | 1997-03-14 | 1999-12-21 | Hitachi, Ltd. | Removable library media system utilizing redundant data storage and error detection and correction |
Also Published As
| Publication number | Publication date |
|---|---|
| US7372783B2 (en) | 2008-05-13 |
| AU2003241966A1 (en) | 2005-01-04 |
| US20060023584A1 (en) | 2006-02-02 |
| JPWO2004109672A1 (ja) | 2006-07-20 |
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