WO1998045843A1 - Cartouche de disque - Google Patents
Cartouche de disque Download PDFInfo
- Publication number
- WO1998045843A1 WO1998045843A1 PCT/JP1998/001491 JP9801491W WO9845843A1 WO 1998045843 A1 WO1998045843 A1 WO 1998045843A1 JP 9801491 W JP9801491 W JP 9801491W WO 9845843 A1 WO9845843 A1 WO 9845843A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cartridge
- disk
- recording
- capacity
- hole
- Prior art date
Links
- 238000001514 detection method Methods 0.000 claims abstract description 90
- 230000002093 peripheral effect Effects 0.000 claims abstract description 10
- 230000002265 prevention Effects 0.000 claims description 27
- 238000003780 insertion Methods 0.000 claims description 10
- 230000037431 insertion Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 2
- 238000003825 pressing Methods 0.000 description 47
- 238000003860 storage Methods 0.000 description 9
- 238000005192 partition Methods 0.000 description 7
- 238000003466 welding Methods 0.000 description 5
- 238000002788 crimping Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 229920003002 synthetic resin Polymers 0.000 description 3
- 239000000057 synthetic resin Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000881 depressing effect Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/02—Control of operating function, e.g. switching from recording to reproducing
- G11B19/12—Control of operating function, e.g. switching from recording to reproducing by sensing distinguishing features of or on records, e.g. diameter end mark
- G11B19/122—Control of operating function, e.g. switching from recording to reproducing by sensing distinguishing features of or on records, e.g. diameter end mark involving the detection of an identification or authentication mark
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
- G11B23/02—Containers; Storing means both adapted to cooperate with the recording or reproducing means
- G11B23/03—Containers for flat record carriers
- G11B23/0301—Details
- G11B23/0313—Container cases
- G11B23/0316—Constructional details, e.g. shape
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
- G11B23/02—Containers; Storing means both adapted to cooperate with the recording or reproducing means
- G11B23/03—Containers for flat record carriers
- G11B23/0301—Details
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
- G11B23/02—Containers; Storing means both adapted to cooperate with the recording or reproducing means
- G11B23/03—Containers for flat record carriers
- G11B23/0301—Details
- G11B23/0302—Auxiliary features
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
- G11B23/02—Containers; Storing means both adapted to cooperate with the recording or reproducing means
- G11B23/03—Containers for flat record carriers
- G11B23/0301—Details
- G11B23/0302—Auxiliary features
- G11B23/0303—Write protect features with a sliding part
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
- G11B23/02—Containers; Storing means both adapted to cooperate with the recording or reproducing means
- G11B23/03—Containers for flat record carriers
- G11B23/0301—Details
- G11B23/0308—Shutters
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
- G11B23/02—Containers; Storing means both adapted to cooperate with the recording or reproducing means
- G11B23/03—Containers for flat record carriers
- G11B23/0301—Details
- G11B23/0307—Positioning or centering features
Definitions
- the present invention relates to a disc cartridge containing a disc used as a recording medium for information (a), and more particularly, to a disc cartridge having almost the same external shape but different recording capacity.
- the present invention relates to a disc cartridge having an identification hole for discriminating a disc cartridge from a conventional magnetic disc, and a flexible magnetic disc (hereinafter referred to as a magnetic disc) as a disc conventionally used as an Sd recording medium for information signals.
- a disk cartridge containing a disk is used.
- a second disk cartridge containing a ⁇ 2 MB magnetic disk in which a stored second disk cartridge is used is standardized as MF2HD.
- the first and second disk cartridges can be used interchangeably with a common disk drive, so that the thickness and size of the disk cartridges and the recording and / or playback Opening for The structure of the shutter that opens and closes the part is common.
- Figure 1 shows the first disk cartridge 1 containing a magnetic disk with a 1 MB recording capacity and the second disk cartridge 2 containing a magnetic disk with a 2 MB recording capacity.
- a pair of upper and lower halves 3 and 4 each having a rectangular shape, are joined by abutting each other and have a force trigger main body 5 formed therein.
- a magnetic disk 6 having a diameter of 3.5 inches is rotatably accommodated in the main body 5.
- the magnetic disk 6 housed in the cartridge body 5 is clamped to a disk table that constitutes a disk rotation drive mechanism provided at the center of the disk drive device.
- a hub 7 made of a magnetic material such as a metal plate is attached.
- the hub 7 is exposed to the outside through a central opening 8 formed at a substantially central portion of the lower half 4 constituting the power cartridge body 5.
- the four sides on the outer peripheral side of the rectangularly-shaped force cartridge body 5 are end portions in the direction of arrow A in FIGS. 1 and 2 and FIGS. 3 and 4 in the direction of arrow A.
- the upper and lower surfaces formed by the upper and lower halves 3 and 4 of the cartridge body 5 are located at the center in the left-right direction and near the center. From the front wall 9 to the front wall.
- the recording and / or reproducing openings 14 and 15 are formed in a rectangular shape so that a part of the signal recording area of the magnetic disk 6 housed in the cartridge main body 5 is exposed outward over the inner and outer circumferences. I have.
- a shirt member 17 for opening and closing the recording and / or reproduction openings 14 and 15 provided in the cartridge body 5 is movably attached.
- the shirt member 17 is formed in a U-shaped cross section, and is fitted to the force-trigger body 5 from the front wall 9 side so as to cover the recording and / or reproducing openings 14 and 15. It is installed as if it were.
- the shirt member 17 attached to the cartridge body 5 is recorded along the front wall 9 of the cartridge body 5 in the direction indicated by the arrow C in FIGS. 1 and 2 as well as in FIGS.
- the recording and / or reproducing openings 16 and 16 can be moved in the direction of opening the reproducing openings 14 and 15 and the direction of closing the recording and / or reproducing openings 16 and 16 in the direction of arrow D. 1 and 2, and FIG. 3 and FIG. 3, in which the recording and / or reproducing openings 14 and 15 are closed by a torsion coil spring (not shown) arranged in the cartridge body 5.
- 4 is biased to move in the direction of arrow D in FIG. 4
- the cartridge body 5 includes a shirt moving member that constitutes a moving region of the shirt member 17 from the upper and lower surfaces to the front wall 9).
- a concave portion 18 is provided, and a label attaching concave portion 19 is formed from substantially the center on the upper surface side to the rear wall 10 side and further from the lower surface side.
- the rear wall 10, the left and right side walls 11, 12, and the magnetic discs housed in the cartridge body 5 are located on both the corners of the side and the lower side of the cartridge body 5.
- the first and second disk cartridges 1 and 2 are provided at the two corners on the ejection direction side of the disk drive device surrounded by the outer peripheral edge of the disk drive device 6.
- Two positioning reference holes 23 and 24 and an erroneous recording prevention mechanism 26 are provided.
- a magnetic disk 6 having a recording capacity of 2 MB is located on the lower surface of the second disk cartridge 2 at the other corner of the rear wall 10 as shown in FIG. There is provided a first capacity identification hole 27 that indicates that is stored.
- left and right side walls 11 and 12 on the side of the front wall 9 of the cartridge main body 5 are provided, as shown in FIGS. 2 and 4, with the opening of a disk cartridge provided on the disk drive device side.
- engaging recesses 25, 25 with which engaging portions constituting the engaging mechanism are engaged.
- the four height reference planes 2 1, 2 are located on the four corners on the lower surface side of the cartridge body 5 at positions avoiding the shutter moving recess 18 and the label attaching recess 19, respectively. 2 is formed symmetrically.
- the first and second positioning reference holes 23 and 24 are formed symmetrically in the pair of left and right height reference planes 21 and 21 located on the front wall 9 side of the cartridge body 5. Have been.
- the first positioning reference hole 23 is formed in a perfect circular shape
- the second positioning reference hole 24 is formed in the first and second disk cartridges 1 and 2 to the disk drive device. It is formed in an elliptical shape whose major axis is the direction perpendicular to the insertion direction. Then, as shown in FIGS.
- the engaging recesses 25, 25 It is formed in a semicircular shape at left and right symmetrical positions at the corners on the front wall 9 side of the one-trigge body 5. These engagement recesses 25, 25 are provided between the front wall 9 of the force cartridge body 5 and the pair of first and second positioning reference holes 23, 24.
- the cartridge body 5 is formed from the lower surface side to the side walls 11 and 12.
- the erroneous recording prevention mechanism 26 is disposed between the rear wall 10 of the cartridge body 5 and the height reference plane 22 as shown in FIGS.
- a record prohibition identification hole 26a that penetrates the upper and lower halves 3 and 4 that constitute 5 and is movably incorporated between the upper and lower halves 11 and 12 to prevent erroneous recording by opening and closing the record prohibition identification hole 26a. It is composed of member 26b.
- the first disk capacity containing a magnetic disk 6 with a recording capacity of 1 MB—Tridge 1 has a capacity identification that indicates the type of magnetic disk 6 stored, as shown in Figs. No part is provided.
- the second disk cartridge 2 containing the magnetic disk 6 having a recording capacity of 2 MB contains the magnetic disk 6 having a recording capacity of 2 MB.
- a first capacity identification hole 27 is provided to indicate that the operation has been performed.
- the first capacity identification hole 27 is provided in a corner located on one side wall 11 side of the rear wall 10 side of the cartridge body 5.
- the first capacity identification hole 27 is formed as a rectangular through-hole penetrating the upper and lower halves 3, 4, and the recording prohibition identification hole 26 a constituting the erroneous recording prevention mechanism 26 and the position of the left and right target. It is provided in.
- the disk drive device 30 in which the first and second disk cartridges 1 and 2 as described above are selectively mounted with compatibility is shown in FIG.
- the magnetic disk 6 accommodated in the first and second disk cartridges 1 and 2 is rotated so as to be located at the center of the force cartridge mounting portion 3 3.
- a disk rotation operation mechanism 34 is disposed.
- the disk rotation operation mechanism 33 includes a spindle motor 35 mounted on the base 32 and a disk table 36 integrally mounted on the spinneret 35a of the spindle motor 35. Prepare.
- the first and second positioning of the first or second disc cartridges 1 and 2 to be mounted on the cartridge mounting portion 33 is performed on the base 32.
- the support portions 39 and 40 are arranged symmetrically around the spindle shaft 35a so as to surround the spindle motor 35.
- the support portions 39 and 40 are constituted by projections formed by cutting and raising a part of the base 32, pins erected on the base 32, and the like.
- Positioning pins 37 and 38 for positioning the horizontal mounting position with respect to the cassette mounting portion 33 are planted respectively. As shown in Fig. 6, these positioning pins 37 and 38 It is formed in a tapered shape.
- a cartridge provided on the front side of the apparatus main body 31 and the outlet 43 side, and on one side wall 31a side of the apparatus main body 31.
- the cartridge mounting detection switch 44 and the erroneous recording detection switch 45 that detect the mounting of the first or second disc cartridges 1 and 2 to the cassette mounting section 33 are located.
- the first capacitance detection switch 46 is disposed on the other side wall 31 b side.
- the erroneous recording detection switch 45 and the first capacitance detection switch 46 are arranged symmetrically about the spindle axis 35a of the spindle motor 35 as shown in FIG.
- the one-grid mounting detection switch 44 is disposed on the first capacitance detection switch 46 side in proximity to the erroneous recording detection switch 45.
- Each of the switches 44, 45, and 46 is a push-operation type switch, and as shown in FIG. 6, a printed circuit board 48 arranged on the side of the base 32.
- a force trigger mounted on the upper surface of the base 32 through an opening 49 provided in the base 32 with each of the pressing operators 44 a, 45 a, and 46 a mounted thereon Mounting part 33 Protrudes to the side of 3.
- a connection terminal for connecting a connection plug for connecting a disk drive device to an external processing device such as a computer is connected to the inner end of the printed circuit board 48, as shown in FIG.
- the first and second disk cartridges 1 and 2 are provided with the disk drive device 30 having the above-described configuration, so that the magnetic disk stored in the cartridge body 5 can be mounted. Recording and / or reproduction of the information signal for 6 is performed.
- the first and second disc cartridges 1 and 2 are inserted in the direction of the arrow ⁇ in FIG. 5 with the front wall 9 of the cartridge body 5 to which the shutter member 17 is attached as an insertion end.
- the ridge is inserted horizontally into the apparatus main body 31 through the outlet 43.
- the shirt loading member 17 is twisted by the cartridge loading mechanism provided in the apparatus main body 31, and the urging force of the coil panel is applied. 5 is moved in the direction of arrow C in FIG. 5, and the recording and / or reproducing openings 14 and 15 are opened.
- the recording and / or reproduction of information signals on the magnetic disk 6 is performed.
- the supporting portions 39, 40 support the height reference surfaces 21, 22 and the first and second positioning reference holes 23, 24, and the positioning reference pins 23, 24.
- the hap 7 provided on the magnetic disk 6 stored in the cartridge body 5 is chucked on the disk table 36 which is already rotationally driven, and can be rotated integrally with the disk table 36. It becomes a state.
- a pair of upper and lower magnetic heads (not shown) are inserted into the recording and / or reproducing openings 16 on the upper and lower surfaces of the cartridge body 5 where the shirt member 17 has been moved and opened. Then, the upper and lower surfaces of the magnetic disk 6 are brought into contact. Then, while the magnetic disk 6 is rotated at a predetermined speed by the spindle motor 35, recording and / or reproduction of information signals on the upper and lower surfaces of the magnetic disk 6 are performed by the pair of upper and lower magnetic heads.
- the disk drive device 30 is used to store the first or second disk capacity.
- the lower surface of the cartridge body 5 causes the force-grid mounting switch 44, the erroneous recording detection switch 45, and Pressing operators 44a, 45a, and 46a of the first capacity detection switch 46 are selectively operated, and whether or not the disk cartridge 1 or 2 is mounted, and recording of information signals on the magnetic disk 6 Discrimination and the recording capacity of the magnetic disk 6 stored in the mounted disk cartridges 1 and 2 are performed.
- the cartridge mounting detection switch 4 4 is provided by the surface of the cartridge body 5. Is pressed, the switch 44 is set to ⁇ N, and it is detected that the disk force cartridge 1 is attached to the force cartridge mounting part 33, and an error is detected.
- the recording detection switch 45 detects whether an information signal can be recorded on the magnetic disk 6. That is, when the recording prohibition hole 26a of the erroneous recording prevention mechanism 26 is closed by the erroneous recording prevention member 26b, the pressing operator 45a is pressed by the erroneous recording prevention member 26b.
- the erroneous recording detection switch 45 When the erroneous recording detection switch 45 is turned on and the ⁇ recordable state '' that enables recording of information signals on the magnetic disk 6 is recognized, and the recording prohibition hole 26a is open, press it. The operator 45 5a does not enter the recording prohibition hole 26 a and is not pressed, and the erroneous recording detection switch 45 maintains the OFF state, thereby recording the information signal on the magnetic disk 6. Recognize Recognize the “recording prohibited state”. When the first disk cartridge 1 is mounted on the cartridge mounting portion 33, the pressing operation member 46a is pressed by the flat lower surface of the force cartridge body 5 so that the first disk cartridge 1 is pressed.
- Capacitance detection switch The switch 46 is turned on to identify that the first disk cartridge 1 containing the magnetic disk 6 having a recording capacity of 1 MB is mounted.
- the cartridge mounting detection switch 44 and the erroneous recording are performed.
- the detection switch 45 performs the same detection operation as when the first disk cartridge 1 is mounted, but the pressing operator 46a enters the first capacity identification hole 27 and presses.
- the first capacity detection switch 46 is kept in the OFF state without being operated, so that the second disk capacity storage 2 containing the magnetic disk 6 having a recording capacity of 2 MB is performed. Is identified.
- the first capacity detection switch 46 is mounted by detecting the presence or absence of the first capacity identification hole 27 of the first and second disk cartridges 1 and 2. Detects the type of disc cartridge 1 or 2 to be loaded.
- a recording capacity of 100 MB or more has been increased.
- a common disk drive is compatible with the first and second disk cartridges 1 and 2 described above. It can be used in the device, and can be distinguished from the first and second disk cartridges 1 and 2, and the recording capacity of the magnetic disk stored in the cartridge body can be identified. It is desired to provide a disk cartridge that can be used.
- First disk car containing 1 MB magnetic disk 6 described above A second disk capacity containing a magnetic disk 6 with a capacity of 1 and 2 MB
- a second capacity identification hole for identifying the high capacity is formed separately from the first capacity identification hole 27 provided in the second disk cartridge 2, and the second capacity identification hole is formed.
- the second capacity identification hole is provided by the detection switch for high capacity identification installed in the disk drive.
- the current disk drive device 30 that exclusively uses the first and second disk cartridges 1 and 2 is mounted on the cartridge mounting portion 33 as shown in FIG. Cartridge loading a pressing panel that presses the first or second disk force cartridges 1 and 2 against the support portions 39 and 40 provided on the force cartridge mounting portion 33 Installed inside the mechanism.
- the total crimping force F which presses the cartridge body 5 of the pressing panel onto the entire support portions 39, 40, is usually 300 to 400 g, and the four support portions 39, 40 distributed pressing force F 2 which is dispersed respectively, the comprehensive crimping force F, is about 1/4, 9 0: the L 0 0 g approximately.
- the pressing operation force F 3 of 46 a is about 36 g each. Therefore, for example, in the case where a pressing operation type detection switch having three or more pressing operators is disposed close to each other, for example, in the vicinity of one of the four supporting portions 39 and 40, one supporting portion 40 is provided.
- the total pressing force F 4 of pressing force F 3 to be pressed is required more than 1 0 8 g of pushing operators these three or more detection sweep rate Tutsi, distributed contact pressure applied to one support 4 0 F 2 exceeds 100 g, which is the upper limit of 2 , the pressing switch of the detection switch pushes the cartridge body 5 against the urging force of the pressing panel and moves the cartridge body 5 away from the cartridge mounting section 33 side.
- the total force F causes the cartridge body 5 to be lifted upward from one support portion 40, thereby causing a force floating phenomenon.
- the track width of the recording tracks for information signals formed on a magnetic disk with a recording capacity of 100 MB or more is extremely larger than the track width of the recording tracks formed on a magnetic disk with a recording capacity of 1 MB or 2 MB. narrow.
- the above-described first and second disk drive units 1 and 2 exclusively storing the magnetic disks having a recording capacity of 1 MB or 2 MB are erroneously used to increase the capacity of the narrower track width. If the disk cartridge containing the inserted magnetic disk is inserted by mistake, the magnetic disk with a recording capacity of 1 MB or 2 MB There is a possibility that information recorded on a magnetic disk having a large capacity is erased by a magnetic head for recording an information signal.
- An object of the present invention is to enable accurate discrimination between the conventionally used first and second disk cartridges containing a magnetic disk having a recording capacity of 1 MB or 2 MB. The purpose is to provide a new disk force cartridge.
- Another object of the present invention is to accurately identify a disc cartridge having a high-capacity disc stored therein, and to accurately record and / or reproduce an information signal according to the recording capacity of the disc. To provide a disc cartridge that can be used.
- Still another object of the present invention is when the disk is erroneously mounted in a disk drive device using the first and second disk cartridges exclusively storing a magnetic disk having a recording capacity of 1 MB or 2 MB. It is still another object of the present invention to provide a disk cartridge containing a high-capacity disk capable of achieving reliable protection without erasing information signals recorded on the disk.
- the cartridge is composed of a cartridge body containing a disk-shaped recording medium having a high capacity of, for example, 100 MB or more, and a lower side of the cartridge body and a side in a direction of insertion into the disk drive device. 1st and 2nd positioning provided in the left and right corners surrounded by the outer wall of the disk-shaped recording medium housed in the force cartridge body.
- a first capacity identification hole and an erroneous recording prevention mechanism and a second hole formed at a position close to the first positioning reference hole on the outer peripheral side of the disc-shaped recording medium stored in the cartridge body.
- the first and second positioning reference holes, the first and second capacity identification holes, and the erroneous recording detection hole of the erroneous recording prevention mechanism are formed as holes that open at least the underside of the cartridge and the body of the body. .
- the cartridge body has an opening for recording and / or reproduction that allows a part of the signal recording area of the disc-shaped recording medium to face outward in the radial direction from the front wall side to the center near the top surface.
- a shirt member for opening and closing an opening for recording and / or reproduction along the front wall is movably attached.
- the first positioning reference hole, the first and second capacity identification holes are provided substantially in a line along one side wall of the cartridge body, and the erroneous recording prevention mechanism is provided on the other side of the force cartridge body. It is arranged on the side wall side.
- the first positioning reference hole is formed in a perfect circular shape
- the second positioning reference hole is formed as a long hole having a long diameter in a direction perpendicular to the direction in which the disk drive device moves in and out. That is, the disc cartridge according to the present invention is configured such that the first and second capacity identification holes detected by the pressing operation type detection switch and the erroneous recording prevention hole of the erroneous recording prevention mechanism are dispersed.
- the pressing force of the pressing and supporting mechanism that presses and supports the disc cartridge allows the detecting switches distributed evenly to be pressed, and the recording capacity of the disc-shaped recording medium and the disc cartridge can be reduced by the small detecting switch. The condition of the bridge can be detected reliably.
- FIG. 1 is a perspective view of a first disk cartridge containing a magnetic disk having a recording capacity of 1 MB as viewed from above.
- FIG. 2 is a perspective view of the disk force cartridge as viewed from below.
- FIG. 3 is a perspective view of a second disk cartridge containing a magnetic disk having a recording capacity of 2 MB as viewed from above.
- FIG. 4 is a perspective view of the disk force cartridge as viewed from below.
- FIG. 5 is a plan view showing a state where a first or second disk cartridge is mounted on a conventional disk drive device.
- FIG. 6 is a cross-sectional side view showing a state where a first or second disk drive cartridge is mounted on a conventional disk drive device.
- FIG. 7 is a perspective view of the disk cartridge according to the present invention as viewed from above.
- FIG. 8 is a perspective view of the disc cartridge as viewed from below.
- FIG. 9 is an exploded perspective view of the disc cartridge.
- FIG. 10 is a cross-sectional view of a disk cartridge according to the present invention.
- FIG. 11 is a bottom view showing the lower surface of the disc cartridge according to the present invention with the recording and / or reproducing opening opened.
- FIG. 12 shows a disk cartridge according to the present invention in a disk drive device in which the first or second disk cartridge and the disk cartridge according to the present invention are selectively installed.
- FIG. 4 is a plan view showing a state where the cartridge is mounted.
- FIG. 13 shows a state in which the first or second disk cartridge and the disk cartridge according to the present invention can be selectively mounted with the disk drive device according to the present invention mounted thereon.
- FIG. BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, a disk cartridge according to the present invention will be described with reference to the drawings.
- a disk cartridge 51 includes a pair of upper and lower halves 52, 53 formed in a substantially rectangular shape by injection molding of a synthetic resin or the like.
- the main body 54 of the cartridge is connected to the main body, and information signals are recorded in the main body 54 of the cartridge.
- the magnetic disk 55 has a disk body 56 having a diameter of approximately 3.5 inches in which magnetic layers are applied to both surfaces of a flexible synthetic resin film. Is provided.
- a center hole 57 is formed in the center of the disk main body 56, and a hub 58 is attached so as to fit into the center hole 57.
- the transmission core 58 is formed of a magnetic material such as metal, and is provided on the disk rotation operation mechanism side when the magnetic disk 5 is mounted on the disk rotation operation mechanism provided on the disk drive device side. Magnetically attracted by magnet.
- the center core 58 has a flat cylindrical bulging portion 59 formed at the center, and an upper end of the bulging portion 59 serves as a mounting portion for the disk body 56.
- the flange portion 60 is formed in the body.
- a spindle pin engaging hole 61 with which a spindle constituting a disk rotation operating mechanism is engaged and a drive pin with which a drive bin provided on the disk rotation drive mechanism is engaged.
- An engagement hole 62 is provided.
- the center core 58 is disposed with the bulging portion 59 fitted in the center hole 57 of the disk body 56 and the flange portion 60 placed on one surface side of the disk body 56.
- the flange portion 60 and the disk body 56 are bonded to each other with an adhesive and attached to the disk body 56.
- the magnetic disk 5 used here has a recording capacity of 100 MB or more, is mounted on a disk rotation operation mechanism, and is rotated at a rotation speed of 300 rpm or more.
- the cartridge main body 54 that houses the magnetic disk 55 configured as described above is made by injecting a synthetic resin.
- a pair of upper and lower halves 52, 53 formed into a substantially rectangular shape by butt-joining are formed, and the upper and lower halves 52, 53 constituting the cartridge body 54 are formed.
- rising walls 6 9, which abut against each other, constitute a front wall 65, a back wall 66, and opposing side walls 67, 68 of the cartridge body 54. , 70 are formed.
- the partition forming walls 7 3 and 7 4 constituting 2 rise and are formed.
- the partition walls 73 and 74 are formed in an arc shape so as to inscribe the rectangular upper half 51 and lower half 52 and are brought into contact with each other.
- a partition wall 72 is formed as shown in FIG. 10, and an area surrounded by the partition wall 2 is a disk storage section 71.
- the partition wall ⁇ 2 constituting the disk storage section 7 1 is formed by abutting partition walls 7 3, 7 4 formed in an arc shape so as to inscribe the rectangular upper half 51 and the lower half 52. Since it is formed in such a manner, it surrounds substantially the entire outer periphery of the magnetic disk 55 housed in the disk housing 71.
- FIGS. 8 and 9 At the center of the lower half 53 that forms the lower surface of the cartridge body 54, as shown in FIGS. 8 and 9, it is attached to the magnetic disk 55 housed in the cartridge body 54.
- a circular central opening 75 is formed to allow the bulging portion 59 of the hub 58 to face outward.
- the center opening 75 is provided only on the lower half 53 side, and the center part on the upper surface side of the cartridge body 52 constituted by the upper half 52 is as shown in FIGS. 7 and 8. It is closed.
- the upper half 52 and the lower half 53, which constitute the upper surface of the cartridge body 54 are opposed to each other.
- First and second recording / reproducing openings 76 and 77 are formed so that at least a part of the signal recording area of the magnetic disk housed in the main body 54 is exposed outward in the radial direction. These recording and playback apertures 76 and 77 are located at the center in the left-right direction of the cartridge body 54, and from the position near the central opening 75, the front wall 65 of the force cartridge body 54 is located. Is formed in a substantially rectangular shape over the vicinity of. As shown in FIG. 9, the first and second recording / reproducing openings 76, 77 enter the cartridge body 54 through these openings 76, 77.
- the magnetic head constituting the signal recording / reproducing means projects from the disk storage section ⁇ 1 toward the front wall 65 so that it can scan to the outer peripheral side of the magnetic disk 55 stored in the cartridge body 54. As far as the position close to the front wall 55.
- a shirt member 78 that opens and closes the first and second recording / reproducing openings 76, 77 can be moved to the force cartridge body 54. Attached to.
- the shirt member 78 is formed by punching and bending a thin metal plate, and as shown in FIG. 9, a first recording / reproducing opening formed on the upper surface side of the cartridge body 54.
- the base end sides of the first and second shirt evening portions 79, 80 are connected so that the first shirt evening portion 79 and the second shirt evening portion 80 are substantially parallel to each other.
- the connecting plate 81 when the shirt member 78 is attached to the cartridge body 54, The first and second shirt portions 79, 80 are formed so as to extend in the direction of the front wall 65 of the cartridge body 54 on both sides of the first and second shirt portions.
- Cartridge holders 82 and 83 are provided. As shown in FIGS. 7 and 8, these cartridge holding portions 82 and 83 are opposed to each other to which the first and second shutter portions 79 and 80 of the connecting plate 81 are connected.
- a pair of engaging pieces 86 and 87 to be formed are folded back.
- the shut-off member 78 formed as described above has the first and second shut-off portions 79, 80 respectively.
- the first and second forces are inserted into the force-trigger main body 54 from the front wall 65 side so as to extend over the reproduction openings 76, 77, and the first and second forces are held in the storage holders 82, 8 3 to the front wall 65 side of the force cartridge main body 54, and a pair of engaging pieces 86, 87 engage with the moving guide grooves 84, 85 to force the force. It is attached to the main body 54.
- the shirt member 78 attached to the cartridge body 54 has the engaging pieces 86 and 87 guided by the moving guide grooves 84 and 85, and the first and second shirt members.
- one of the power cartridge main body 54 is formed on the upper and lower surfaces of the cartridge main body 54 from the periphery of the first and second recording / reproducing openings 76, 77.
- Concave recesses 88, 89 for concave and convex movement are formed on the side wall 66 side.
- a moving recess 90 corresponding to the thickness of the connecting plate 81 is also formed on the front wall 65 side of the cartridge body 54 over the moving range of the shirt member 78. .
- the shirt evening member 78 extends the first and second shirt evening portions 79, 80 into the shirt evening moving recesses 88, 89, and the connecting plate 81 is located inside the moving recess 90.
- the cartridge main body 54 is attached so as to be substantially flush without protruding from the peripheral surface of the cartridge body 54.
- the shirt member 78 attached to the force cartridge body 54 is made up of first and second members by a torsion coil spring 93, which is an urging member disposed in the force cartridge body 54. 7 and 8 for closing the recording / reproducing openings 76, 77 of FIG.
- the torsion coil panel 93 includes a force cartridge body 5 positioned when the shirt member 78 opens the first and second recording and reproducing openings 76, 77. 4 is located at one corner.
- One end of the torsion coil spring 93 is locked to the cartridge body 54 and the other end is locked to the panel locking portion provided on the first cartridge holding portion 82.
- the shutter member 78 is attached in the direction of arrow F in FIGS. 7 and 8 to close the first and second recording and reproducing openings 76, 77. It is being rushed.
- the upper half 52 and the lower half 53 have flat inner surfaces.
- the protection sheets 99 and 101 made of a nonwoven fabric or a slip sheet for protecting the magnetic disk 55 are provided. These protective sheets 99 and 101 are directly bonded to the inner surfaces of the upper half 52 and the lower half 53 using heat welding, ultrasonic welding or an adhesive. Since the protection sheets 99 and 101 are directly joined to the flat inner surfaces of the upper half 52 and the lower half 53, the surface of the upper half 52 and the lower half 53 facing the disk body 56 is formed. Is a flat surface.
- the protective sheets 99, 101 are provided with the openings 76, 77 at portions corresponding to the first and second recording / reproducing openings 76, 77, respectively.
- Notches 9 a and 10 la are provided so as to open 7.
- a protective sheet 99, 101 is provided, and a cart formed by abutting a pair of upper and lower halves 52, 53 having a flat surface facing the disk body 56.
- the magnetic disk 55 has a space that allows the magnetic disk 55 to rotate without contacting the inner surface of the cartridge body 54. Is formed.
- the upper and lower halves 52, 53 abut the welding projections 1 16 provided on the inner corners and the rising walls 69, 70, respectively.
- the force storage body 44 is formed by welding the butted welding projections 117 and the rising walls 69 and 70 using ultrasonic waves or the like.
- the disk cartridge 51 according to the present invention is provided on the lower surface side of the cartridge main body 54 and the disk cartridge 51 provided on the disk drive device side.
- Mounting position First and second positioning reference holes 1109, 110 with which positioning bins to be positioned are engaged are provided. These positioning reference holes 109 and 110 are provided on the front wall 55 side and on both sides in the direction in which the shirt member 78 moves, and the first positioning reference holes 109 are provided. Is formed in a circular shape corresponding to the positioning pin having a circular cross-sectional shape, and the second positioning reference hole 110 is used to adjust the moving direction of the shirt member 78 to the long diameter so that the engagement position with the positioning pin can be corrected. It is formed as a long hole.
- the peripheral edges of the first and second positioning reference holes 109 and 110 are supported by a support portion provided on the drive device side when the disk cartridge 51 is mounted on the disk drive device.
- Height positioning surfaces 106 and 106 on which the mounting height position is positioned are formed.
- Height positioning surfaces 107 and 107 for positioning a mounting height position when mounted on the disk drive device are also provided on a corner portion on the rear wall 66 side.
- the first and second positioning reference holes 109 and 110 correspond to the recording and recording holes provided on the front wall 65 side of the cartridge body 54.
- the center of the force cartridge main body 54 is provided symmetrically with the center line P, in the longitudinal direction, of the openings 76, 76 for reproduction.
- the first and second positioning reference holes 109 and 110 are positioned on the radial center line of the magnetic disk 55 housed in the force cartridge body 54.
- the position of the magnetic disk 55, which is chucked by the disk rotation operation mechanism, and the relative position of the force cartridge body 54 are accurately positioned, and the magnetic disk 55 is cartridge-mounted. Turn without firmly touching the inner surface of Can be turned over.
- a recording prevention mechanism 1 1 1 is provided.
- the erroneous recording prevention mechanism 111 is disposed between the rear wall 66 of the force cartridge main body 54 and the height reference plane 107 as shown in FIGS.
- Recording prohibition identification hole 1 1 1 penetrating through upper and lower halves 5 2, 5 3 that constitute main body 54, and is movably incorporated between upper and lower halves 52, 53. It is composed of 11 lb, which is a recording error prevention member that opens and closes a.
- the erroneous recording prevention mechanism 1 1 1 1 opens and closes the recording prohibition identification hole 1 1 1 a formed in the cartridge body 54 by the erroneous recording prevention Select the state that enables recording of information signals and the state that prevents recording of information signals.
- first and second capacity identification holes 1 1 3 and 1 1 4 are provided to indicate the recording capacity of the magnetic disk 55 housed in the disk cartridge 51. Have been. No.
- the one capacity identification hole 113 is provided at the other corner located on the other side wall 68 side of the back wall 56 side. More specifically,
- the first capacity identification hole 113 is provided at a position substantially symmetrical to the left and right recording prohibition identification hole 111a provided at one corner.
- First capacity discriminating hole 11 provided in disc force cartridge 51 according to the present invention
- the capacity identification hole 27 is provided at a position opposite to the left and right.
- the second capacity identification hole 114 is located at a position close to the first positioning hole 109, that is, from the first positioning hole 109 to 2 to 4 as shown in FIGS.
- the disc cartridges 51 are provided in parallel at a distance of about mm in the direction in which the disc cartridge 51 is inserted into and removed from the disc drive device. That is, the second capacity identification hole 114 is provided on the back wall 66 side with respect to the first positioning hole 109.
- the first positioning hole 109, the second capacity identification hole 114, and the first capacity identification hole 113 are formed on the other side of the cartridge body 54.
- the centers are provided so as to be substantially coincident with each other. That is, as shown in FIG. 11, the first positioning hole 109, the second capacity identification hole 111, and the first capacity identification hole 113 correspond to the force-trigger body 54. They are provided on a line P 2 parallel to the other side wall 68 so as to be located at the center of each other.
- a mounting control section 115 is provided to prohibit mounting in a disk drive device exclusively using a disk cartridge containing a magnetic disk to be mounted.
- the mounting restricting portion 115 is formed as a concave portion having the front wall 65 side of the cartridge body 54 opened.
- a disk drive device 230 that makes it possible to use the disk cartridge 51 containing the disk cartridges interchangeably will be described.
- the basic configuration of the disk drive device 230 is the same as that of the disk drive device 3 using the first and second disk cartridges 1 and 2 containing the magnetic disks 6 having the recording capacities of 1 MB and 2 MB. Parts having the same basic configuration as 0 are denoted by the same reference numerals, and detailed description thereof will be omitted.
- the disk drive device 230 is a second capacity detection switch for detecting the second capacity detection hole 114 of the disk cartridge 51 containing the high-capacity magnetic disk 55 according to the present invention.
- Switch 2 43 is located on the side of the cartridge ⁇ outlet 43 of the device body 31 with respect to the first positioning pin 38 inserted relatively into the first positioning reference hole 109. It is arranged.
- the second capacitance detection switch 243 is also a pressing operation member 243 a.
- a push-operation type switch having the following is used.
- one of the support portions 39 on which the first positioning pins 38 are erected is punched and bent toward a cartridge mounting portion 33 formed on the upper surface side of the base 32. Since the opening 248 is formed by the formation, the second capacitance detection switch 243 mounted on the printed circuit board 48 is inserted into the opening 248 from below and supported. By pushing under the part 39, the pressing operator 2443a vertically protruding above the second capacitance detecting switch 2443 is attached to the first positioning pin 38 by 2-4. Only a distance of about mm is enough to get close. Therefore, this pressing operator 2 4 3 a The second capacity detection hole 114 provided in the disk force cartridge 51 according to the present invention can be detected accurately and easily.
- the erroneous recording prevention mechanism 111 of the disc cartridge 51 according to the present invention and the first capacity identification hole 113 are provided with the first and second disc cartridges 1 and 2 described above.
- the erroneous recording detection switch 45 and the first capacity detection switch 46 are provided in the disk drive device 230.
- the drive device 30 is arranged in a reversed relationship of left and right inversion.
- FIGS. 12 and 13 are obtained.
- the height reference surface 106 provided at each corner on the lower surface side of the cartridge body 54. , 107 are crimped from above onto the four support portions 39, 40 of the disk drive device 230.
- the first and second positioning reference holes 109 and 110 engage the first and second positioning reference pins 37 and 38 from above, and the height and horizontal direction of the force cartridge body 54 are changed.
- the positioning is performed, and the cartridge is mounted on the cartridge mounting part 33 formed on the base 32.
- the magnetic disk 55 is chucked on the disk table 36 of the disk rotation operation mechanism 34 by the hub 58, and a pair of upper and lower magnetic heads is used.
- the first positioning reference hole 109 having a perfect circular shape is fitted into the first positioning bin 37 with almost no play, while the disk drive device 23
- the second positioning reference hole 110 whose major axis is in the direction perpendicular to the arrow A in Fig. 12 which is the direction of insertion into the cylinder 0, has play in the major axis direction, but the force-trigger is inserted. It is loosely fitted to the second positioning reference pin 38 with little play in the direction.
- the positioning reference (center of positioning) of the disc cartridge 51 according to the present invention on the total of four height positioning surfaces 106 and 107 is the first positioning reference hole 109.
- the first positioning reference hole 109 is used as a center, and the disc cartridge 51 according to the present invention is formed by the first and second positioning reference holes 109 and 110.
- the pressing operator 44a of the cartridge mounting detection switch 44 is pressed downward on the lower surface of the cartridge body 54 to become 0 N, and the disk cartridge 51 is moved to the cartridge mounting portion 33.
- the pressing operator 45a of the erroneous recording detection switch 45 detects whether or not the recording prohibition identification hole 11 la of the erroneous recording prevention mechanism 111 has been opened. It identifies the “possible state” or “recording prohibited state” Then, the pressing operator 2 43 a of the second capacitance detecting switch 2 43 is relatively inserted into the second capacitance discriminating hole 114 from below, and keeps the OFF state. It is identified that the magnetic disk 51 stored in 1 is a high capacity type having a recording capacity of 100 MB or more.
- the erroneous recording detection switch 45, the first capacity detection detection switch 46, and the second capacity detection switch 24 can be distributed over three corners. Therefore, as shown in Fig. 13, the force cartridge body 54 is moved from above by a total of four support parts 39, 40 by the panel force of the pressing panel provided in the cartridge opening mechanism.
- each of these three erroneous recording detection switches 45, the first capacitance detection detection switch 46, and the second capacitance detection switch 24 43, the pressing operators 45a, 46a, 243 Due to the respective pressing operation forces F3 of a, three height positioning surfaces 106, near the three switches 45, 46, 243 on the lower surface of the cartridge body 54, The force acting on 107 and 107 and the push-up force F 5 of the cartridge are each 36 g or less. However, since the cartridge mounting detection switch 44 is in close proximity to the first capacitance detection switch 46, the height positioning surface 10 near the two switches 46, 44 is used. Only 7 has the two pressing controls 4 6a, The resultant force of the push-up force F 3 of the force exerted by 4 4a acts, but the resultant force is also 2 F 76 g or less.
- the cartridge body 54 crimped on the four support parts 39, 40 has a The cartridge floating phenomenon, which rises upward from 9, 40, can be suppressed.
- the second capacity identification hole 114 is located in a very small space between the first positioning reference hole 109 and the outer periphery of the magnetic disk 55, as described above.
- a first reference for the positioning is a first positioning reference hole 109 inserted into the first positioning pin 38.
- the inner diameter of the first positioning reference hole 109 and the flatness of the lower surface around it are processed with the highest precision to achieve the first reference, and the rigidity is also processed with the highest rigidity.
- the height positioning surface 106 of one corner portion of the cartridge body 54 in which the first positioning reference hole 109 is formed on the lower surface of the cartridge body 54.
- first positioning pins 3 8 distributed pressing force F 2 which is crimped onto one support 3 9 which is erected also the other three height positions Decisive Me surfaces 1 0 6, 1 0 7, 1 0 7 in comparison with the distributed pressing force F 2 onto the large set. Therefore, by disposing the second capacity identification hole 114 in close proximity to the first positioning reference hole 109, the second capacity identification hole 114 and the disk drive device 230 are arranged.
- the position relationship with the second capacitance detection switch 24 3 on the side can be set with high precision, and the size of the second capacitance identification hole 114 is different from the other identification holes due to space limitations. Even if it is slightly smaller, the pressing operator 2 43 a of the second capacitance detection switch 24 3 can always accurately identify the second capacitance detection hole 114.
- a disk drive device 230 capable of using the disk cartridge 51 according to the present invention and the above-described first and second disk cartridges 1 and 2 interchangeably. Even when the first and second disc cartridges 1 and 2 described above are selectively mounted, the pressing operation of the second capacity detection switch 24 3 4 The force F 3 causes the height positioning surface 21 of the first and second disk cartridges 1, 2 to rise upward from the support portion 39. Not at all do not do.
- a disk drive device 230 that enables the disk cartridge 51 according to the present invention to be used interchangeably with the first and second disk cartridges 1 and 2 described above.
- the cartridge mounting portion by the cartridge mounting detection switch 44 is mounted.
- the detection of the presence or absence of attachment to 3 is exactly the same as before, except that a part of one corner on the lower surface side of the force storage body 5 has the second capacitance detection switch 2 4 3
- the pressing operator 2 43 a is pressed downward to reach ⁇ N, and it is identified that the recording capacity of the magnetic disk 6 is not more than 100 MB.
- the detection purpose of the erroneous recording detection switch 45 and the first capacitance detection switch 46 is switched by turning on the second capacitance detection switch 243, and the first capacitance
- the depressing switch 46 of the detection switch 46 detects whether or not the recording of the erroneous recording prevention mechanism 26 is possible, and identifies the “recordable state” or the “recording prohibited state”, and the erroneous recording detection switch 45.
- the pressing operation element 45 a is pressed downward by another corner on the lower surface of the cartridge body 5 to be 0 N, and it is identified that the recording capacity of the magnetic disk 6 is 1 MB.
- the cartridge mounting detection switch is mounted.
- the detection of whether or not the disc force cartridge 2 is attached to the force cartridge attachment part 3 3 by the switch 4 4 is exactly the same as before, but the lower surface of the cartridge body 5 Press the second capacitance detection switch 2 4 3 with a part of one corner.
- the pressure control element 243 a is pressed downward to be turned ON, and it is identified that the recording capacity of the magnetic disk 6 is not less than 100 MB.
- the second capacity detection switch 243 is turned on, the detection purpose of the erroneous recording detection switch 45 and the first capacity detection switch 46 is switched, and this second capacity detection switch 463 is switched.
- Pressing switch 46 of the capacity detection switch 46 detects the open / close state of the write-protection identification hole 26a of the erroneous-recording prevention mechanism 26, and the "recordable state” or “record-inhibited state” is detected.
- the pressing operator 45a of the erroneous record detection switch 45 is positioned from the lower side of the lower part of the cartridge body 5 into the first capacity identification hole 27 located at another corner. FF state is maintained, and it is identified that the recording capacity of the magnetic disk 6 is 2 MB.
- the disk cartridge 51 according to the present invention and the above-described first and second disk force cartridges 1 and 2 are provided in a disk drive device 230 which can be used interchangeably.
- the pair of magnetic heads is a magnetic disk for recording and / or reproducing information signals on a magnetic disk 6 for 1 MB / 2 MB, and a magnetic disk having a recording capacity of 100 MB or more.
- It is configured to have two magnetic gaps for recording and / or reproducing information signals with respect to 55, and the recording capacity of the magnetic disk 6 or 55 is 1 MB / 2 MB, By switching between these two magnetic gaps based on the identification as to whether it is 100 MB or more, recording and / or reproduction of an information signal in a 1 MB / 2 MB format, and 100 MB or more Information signals in different formats It is configured to perform recording and / or reproducing and selectively switched to.
- the disc cartridge 51 according to the present invention of the present invention an error
- the arrangement of the recording prevention mechanism 1 1 1 and the first capacity identification hole 1 1 4 is changed to the first disc cartridge 1 containing the 1 MB recording capacity magnetic disk 6 and the 2 MB recording capacity magnetic disk. Since the relationship between the arrangement of the erroneous recording prevention mechanism 26 of the second disc cartridge 2 containing the cartridge 6 and the first capacity discriminating hole 27 is reversed, the disc cartridge according to the present invention can be used.
- the first capacity identification hole 113 of the disk drive cartridge 51 according to the present invention is changed to that shown in FIG.
- the erroneous recording detection switch 44 Inserted into the push operation switch 44a of the erroneous recording detection switch 44 of the disk drive device 30 shown, the erroneous recording detection switch 44 is always kept in the OFF state, and the "recording prohibited state” is always recognized. . Therefore, regardless of whether the erroneous recording prevention mechanism 111 of the disc cartridge 51 according to the present invention is switched to the “recordable state” or the “recording prohibited state”, the first capacity identification hole is provided.
- the “recording prohibited state” is always recognized by 1 13, and when the disk cartridge 51 according to the present invention is mistakenly mounted on the disk drive device 30 shown in FIG. 5, it is recorded on the magnetic disk 55. It is possible to prevent the information signal being deleted from being erased by mistake.
- the present invention is not limited to a disk cartridge containing a flexible magnetic disk, but can be applied to a disk cartridge containing various types of magnetic disks, optical disks, magneto-optical disks, and the like.
- Industrial applicability As described above, the disk cartridge according to the present invention includes a cartridge main body in which a high-capacity magnetic disk is stored, and a lower surface side of the force cartridge main body and an insertion direction side into the disk drive device.
- the first and second positioning reference holes are provided in the front wall of the main body and the left and right side walls orthogonal to the front wall and the left and right corners surrounded by the outer periphery of the magnetic disk.
- the first capacity identification hole and erroneous recording prevention mechanism are provided in the left and right corners surrounded by the back wall of the main body of the cartridge, the right and left side walls orthogonal to the back wall, and the outer periphery of the magnetic disk.
- the portion detected by the detection switch is located on the lower surface side of the cartridge body. By dispersing them, it is possible to reliably detect the state of the disk force, such as the type of magnetic disk, and the status of the cartridge.
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP98911146A EP1017056A1 (en) | 1997-04-04 | 1998-03-31 | Disc cartridge |
KR1019997008977A KR20010005900A (ko) | 1997-04-04 | 1998-03-31 | 디스크 카트리지 |
CA002285436A CA2285436A1 (en) | 1997-04-04 | 1998-03-31 | Disc cartridge |
US09/402,193 US6307712B1 (en) | 1997-04-04 | 1998-03-31 | Assembly for discrimination disc storage capacity in a disc cartridge |
AU65215/98A AU6521598A (en) | 1997-04-04 | 1998-03-31 | Disc cartridge |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8654997 | 1997-04-04 | ||
JP9/86549 | 1997-04-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1998045843A1 true WO1998045843A1 (fr) | 1998-10-15 |
Family
ID=13890096
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1998/001491 WO1998045843A1 (fr) | 1997-04-04 | 1998-03-31 | Cartouche de disque |
Country Status (9)
Country | Link |
---|---|
US (1) | US6307712B1 (ja) |
EP (1) | EP1017056A1 (ja) |
KR (1) | KR20010005900A (ja) |
CN (1) | CN1135555C (ja) |
AU (1) | AU6521598A (ja) |
CA (1) | CA2285436A1 (ja) |
ID (1) | ID23810A (ja) |
TW (1) | TW376509B (ja) |
WO (1) | WO1998045843A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1122731A2 (en) * | 2000-02-04 | 2001-08-08 | Sony Corporation | Disk cartridge apparatus |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001143356A (ja) * | 1999-11-12 | 2001-05-25 | Sony Corp | ディスクカートリッジ装置 |
JP2001143427A (ja) * | 1999-11-12 | 2001-05-25 | Sony Corp | ディスクカートリッジ装置 |
JP2003059228A (ja) * | 2001-08-21 | 2003-02-28 | Fuji Photo Film Co Ltd | ディスクカートリッジ |
US20030193884A1 (en) * | 2002-04-16 | 2003-10-16 | Louie James K. | Optical disk storage media identification |
KR20050029244A (ko) * | 2002-07-30 | 2005-03-24 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 디스크 드라이브장치 |
JP2018160300A (ja) * | 2017-03-23 | 2018-10-11 | 株式会社東芝 | ディスク装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH097345A (ja) * | 1995-06-16 | 1997-01-10 | Fuji Photo Film Co Ltd | 磁気ディスクカートリッジ |
JPH0963241A (ja) * | 1995-08-28 | 1997-03-07 | Fuji Photo Film Co Ltd | 磁気ディスクカートリッジ |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
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US4908817A (en) * | 1986-11-14 | 1990-03-13 | Opticord, Inc. | Cartridge for optical data discs |
JP2541242B2 (ja) * | 1987-10-30 | 1996-10-09 | ソニー株式会社 | ディスクカ―トリッジ |
ATE238600T1 (de) * | 1991-02-18 | 2003-05-15 | Sony Corp | Plattenkassette und plattenaufzeichnungs - und/oder wiedergabegerät |
JPH07176092A (ja) * | 1993-12-16 | 1995-07-14 | Shikoku Nippon Denki Software Kk | 光磁気ディスク及び光磁気ディスク装置 |
US5940255A (en) * | 1996-05-14 | 1999-08-17 | Mitsumi Electric Co., Ltd. | Large-capacity flexible disk and high-density type disk drive used therefor |
JPH09306143A (ja) * | 1996-06-26 | 1997-11-28 | Mitsumi Electric Co Ltd | 大容量フレキシブルディスク |
JPH09330578A (ja) * | 1996-06-07 | 1997-12-22 | Fuji Photo Film Co Ltd | 磁気ディスクカートリッジ |
US5995344A (en) * | 1996-06-14 | 1999-11-30 | Sony Corporation | Disc cartridge having design parameters of a recording and/or reproduction medium housed therein |
JPH103775A (ja) * | 1996-06-14 | 1998-01-06 | Sony Corp | ディスクカートリッジ |
JPH103774A (ja) * | 1996-06-14 | 1998-01-06 | Sony Corp | ディスクカートリッジ |
JPH1011936A (ja) * | 1996-06-21 | 1998-01-16 | Fuji Photo Film Co Ltd | 磁気ディスクカートリッジ |
-
1998
- 1998-03-31 AU AU65215/98A patent/AU6521598A/en not_active Abandoned
- 1998-03-31 CA CA002285436A patent/CA2285436A1/en not_active Abandoned
- 1998-03-31 US US09/402,193 patent/US6307712B1/en not_active Expired - Fee Related
- 1998-03-31 ID IDW991149A patent/ID23810A/id unknown
- 1998-03-31 WO PCT/JP1998/001491 patent/WO1998045843A1/ja not_active Application Discontinuation
- 1998-03-31 KR KR1019997008977A patent/KR20010005900A/ko not_active Application Discontinuation
- 1998-03-31 EP EP98911146A patent/EP1017056A1/en not_active Withdrawn
- 1998-03-31 CN CNB988037831A patent/CN1135555C/zh not_active Expired - Fee Related
- 1998-04-01 TW TW087104905A patent/TW376509B/zh active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH097345A (ja) * | 1995-06-16 | 1997-01-10 | Fuji Photo Film Co Ltd | 磁気ディスクカートリッジ |
JPH0963241A (ja) * | 1995-08-28 | 1997-03-07 | Fuji Photo Film Co Ltd | 磁気ディスクカートリッジ |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1122731A2 (en) * | 2000-02-04 | 2001-08-08 | Sony Corporation | Disk cartridge apparatus |
EP1122731A3 (en) * | 2000-02-04 | 2002-07-24 | Sony Corporation | Disk cartridge apparatus |
US6603725B2 (en) | 2000-02-04 | 2003-08-05 | Sony Corporation | Disk cartridge apparatus |
AU777264B2 (en) * | 2000-02-04 | 2004-10-07 | Sony Corporation | Disk cartridge apparatus |
Also Published As
Publication number | Publication date |
---|---|
EP1017056A1 (en) | 2000-07-05 |
CN1251681A (zh) | 2000-04-26 |
TW376509B (en) | 1999-12-11 |
CN1135555C (zh) | 2004-01-21 |
CA2285436A1 (en) | 1998-10-15 |
ID23810A (id) | 2000-05-11 |
KR20010005900A (ko) | 2001-01-15 |
US6307712B1 (en) | 2001-10-23 |
AU6521598A (en) | 1998-10-30 |
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MXPA99008925A (en) | Disc cartridge | |
JPH0773647A (ja) | ディスクおよびディスクドライブ装置 |
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