WO2005022535A1 - ディスクカートリッジ - Google Patents
ディスクカートリッジ Download PDFInfo
- Publication number
- WO2005022535A1 WO2005022535A1 PCT/JP2004/011756 JP2004011756W WO2005022535A1 WO 2005022535 A1 WO2005022535 A1 WO 2005022535A1 JP 2004011756 W JP2004011756 W JP 2004011756W WO 2005022535 A1 WO2005022535 A1 WO 2005022535A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- opening
- rotation wheel
- recording
- shutter
- disk
- Prior art date
Links
- 238000003780 insertion Methods 0.000 claims abstract description 55
- 230000037431 insertion Effects 0.000 claims abstract description 55
- 230000002093 peripheral effect Effects 0.000 claims description 44
- 230000007246 mechanism Effects 0.000 claims description 28
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 claims 1
- 230000003287 optical effect Effects 0.000 abstract description 52
- 230000000630 rising effect Effects 0.000 description 9
- 239000000428 dust Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 5
- 229920003002 synthetic resin Polymers 0.000 description 4
- 239000000057 synthetic resin Substances 0.000 description 4
- 238000001746 injection moulding Methods 0.000 description 3
- 229930182556 Polyacetal Natural products 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000012782 phase change material Substances 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
-
- 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
Definitions
- the present invention relates to a small-sized disk cartridge that can be interchangeably mounted on a recording and / or reproducing apparatus to which a large-sized disk cartridge is mounted.
- This disk cartridge has a cartridge body in which an upper shell and a lower shell are abutted and a first opening for recording and reproduction is formed in a lower shell, and a disk housed in the cartridge body and serving as a recording medium. And an inner rotor in which a second opening corresponding to the first opening of the cartridge body is formed, and the inner opening is located between the inner rotor and the lower shell, and the first opening is interlocked with the rotation of the inner rotor.
- a gear portion is formed on a part of the outer peripheral portion of the inner rotor so as to face the outer portion from the cartridge body.
- a rack gear serving as a shutter opening mechanism on the recording and / or reproducing apparatus side may be used.
- a disc cartridge of the J type is mounted on a recording and / or reproducing apparatus to which a disc cartridge of a standard size shown in the above-mentioned patent publication is mounted, an optical pickup or a disc is mounted. Since the position of the disk table is fixed, it is necessary to mount a small disk cartridge in accordance with the position of the optical pickup or disk table.
- the gear portion of the inner rotor is separated from the rack gear constituting the shutter opening mechanism of the standard disk power cartridge, and this rack gear cannot be used. If the moving mechanism is provided so as to be fitted to the gear portion of the disk cartridge on which the rack gear is mounted, the configuration of the moving mechanism becomes very complicated. Therefore, in the case of a small disk cartridge, it is necessary to operate the shutter mechanism with a configuration different from the standard disk cartridge.
- the present invention has been proposed in view of the above problems, and has as its object to maintain compatibility with a recording and / or reproducing apparatus in which a standard-sized disk cartridge is mounted. It is to provide a possible small disk cartridge.
- a disk cartridge according to the present invention includes a cartridge body including a lower shell in which a first opening for recording and / or reproduction is formed, an upper shell abutted on the lower shell, and a cartridge body.
- a rotation wheel having a second opening corresponding to a first opening that is rotatably accommodated and accommodates a disc and exposes the accommodated disc to the outside, between the lower shell and the rotation wheel.
- a pair of shirt plates that rotate in conjunction with the rotation of the rotation wheel.
- the rotation wheel is provided with an operated portion to be engaged with a shutter opening portion of the recording and / or reproducing device on a front surface serving as an insertion end of the recording and / or reproducing device, and the operated portion is a recording and / or reproducing device.
- the operated portion is a recording and / or reproducing device.
- it is formed by a concave portion having an opening at the side of the insertion end into the reproducing apparatus.
- the disc cartridge according to the present invention is provided with a manipulated portion in which a mouth opening mechanism on the recording and / or reproducing device is engaged with a mouth wheel on the insertion end side of the recording and / or reproducing device.
- a shutter opening mechanism different from the shutter opening mechanism provided in the disk cartridge having the size of (1) can be easily configured.
- FIG. 1 is a perspective view of a disk cartridge according to the present invention as viewed from an upper shell side.
- FIG. 2 is a perspective view of a disk cartridge according to the present invention as viewed from a lower shell side.
- FIG. 3 is an exploded perspective view showing a cartridge according to the present invention.
- FIG. 4 is a plan view seen from the inner surface side of an upper shell constituting the disk cartridge.
- FIG. 5 is a perspective view of a main part on the front side of an upper shell.
- FIG. 6 is a plan view of the lower shell constituting the cartridge as viewed from the inner surface side.
- FIG. 7 is a plan view of relevant parts for explaining the relationship between an insertion guide groove and an insertion guide pin.
- FIG. 8 is a perspective view of a rotation wheel as viewed from a side where an optical disc is stored.
- FIG. 9 is a perspective view of a rotation wheel as viewed from a surface on a lower shell side.
- FIG. 10 is a perspective view of relevant parts explaining an operated part formed on a rotation wheel.
- FIG. 11 is a perspective view of relevant parts for explaining a mechanism for preventing the lifting of the shirt board.
- FIG. 12 is a cross-sectional view of relevant parts for explaining a locking projection of an urging member for urging the rotation wheel in one direction.
- FIG. 13 is a perspective view showing a shirt plate and a rotation wheel.
- FIG. 14 is a cross-sectional view of a principal part showing a rotation support structure of the first shutter plate.
- FIG. 15 is a cross-sectional view of a main part showing a guide mechanism of a first shirt plate.
- FIG. 16 is a cross-sectional view of a principal part showing a rotation support structure of a second shirt plate.
- FIG. 17 is a plan view showing a state in which an opening is closed by a shirt plate, with a lower shell and an optical disk removed.
- FIG. 18 is a plan view showing a state in which an opening of the shirt plate is opened, excluding a lower shell and an optical disk.
- FIG. 19 is an exploded perspective view showing a lock mechanism.
- FIG. 20 is a cross-sectional view of a principal part of the rotation wheel, showing a relationship between a tapered portion of the rotation wheel and a lock groove.
- FIG. 21 is a fragmentary cross-sectional view showing a state where the unlocking pin is not inserted into the insertion guide groove where the unlocking piece is exposed.
- FIG. 22 is a cross-sectional view of relevant parts showing a state where the lock release pin is inserted into the insertion guide groove.
- FIG. 23 is a front view of a main part showing the relationship between the width of the insertion guide groove and the thickness of the lock release pin.
- FIG. 24 is a plan view showing a relationship between an insertion guide groove, a location hole, and an alignment hole.
- FIG. 25 is a perspective view of the disc cartridge showing a state where the first opening is opened.
- the disk cartridge according to the present invention is a disk cartridge that can be mounted while maintaining compatibility with a recording and / or reproducing apparatus on which a disk cartridge of a standard size described in JP-A-2003-109343 is mounted. It is.
- the standard size disk cartridge described in the above-mentioned patent publication contains an optical disk having a diameter of about 12 cm.
- the disk cartridge according to the present invention stores an optical disk smaller in diameter than an optical disk stored in a disk cartridge of a standard size.
- the disk cartridge according to the present invention accommodates an optical disk having a smaller diameter than a disk cartridge of a standard size, so that the recording capacity is smaller than that of a disk cartridge of a standard size. Is small and excellent in portability.
- the disk cartridge 1 according to the present invention includes a rotation wheel 4 in which an optical disk 3 is stored and a pair of first and second Shirt boards 5a and 5b.
- the cartridge body 2 is formed by butt-connecting a pair of upper shells 6 and lower shells 7.
- the optical disc 3 used in the disc cartridge 1 according to the present invention has a center hole 3a formed at the center thereof with which a disc rotation drive mechanism of the recording and / or reproducing apparatus is engaged.
- the optical disk 3 used in the present invention may be a read-only optical disk having a pit pattern corresponding to an information signal formed on a disk substrate in advance, or a rewritable optical disk using a phase-change material for a recording layer. Alternatively, a write-once optical disc using an organic dye material or the like for the recording layer may be used.
- the recording medium used may be an optical disk, a magneto-optical disk, a magnetic disk, or the like.
- the upper shell 6 constituting the cartridge body 2 is formed by injection molding a synthetic resin material using a mold device.
- the upper shell 6 is formed so as to have a substantially rectangular planar shape, and has a substantially arcuate front surface on the side of the insertion end to the recording and Z or reproducing apparatus.
- an outer peripheral wall 8 forming a side surface of the cartridge body 2 is formed to rise up along an outer peripheral edge of the main surface.
- a first pickup entry concave portion 9 for entering an optical pickup on the recording and / or reproducing device side is formed at a central portion on the front side.
- a plurality of bosses 10 formed with screw holes for coupling with the lower shell 7 are formed on the outer peripheral wall 8, for example, formed near each corner.
- a substantially annular inner peripheral wall 11 for rotatably storing the rotation wheel 4 is formed so as to be inscribed in the outer peripheral wall 8.
- the inner peripheral wall 11 is formed with a second pickup entry concave portion 12 located at a central portion on the front surface side for entering an optical pickup on the recording and / or reproducing device side.
- the inner peripheral wall 11 accommodates the rotation wheel 4 inside so as to be rotatable, and functions as a guide wall when the rotation wheel 4 rotates.
- the main surface of the upper shell 6 forms a disk storage part with the rotation wheel 4.
- a lifter 14 that lifts the rotation wheel 4 is formed near an inner base end portion of the inner peripheral wall 11 and near the second pickup entry concave portion 12. The lifter 14 raises the rotation wheel 4 toward the lower shell 7 when the first and second shirt plates 5a, 5b close the first opening 24.
- a clamping table 13 for holding the optical disk 3 is mounted together with a disk table constituting the unit.
- the clamping plate 13 is mounted by a mounting ring 13a. Specifically, the clamping plate 13 is sandwiched between the mounting ring 13a and the substantially central portion of the inner surface of the upper shell 6, and is attached by fixing the mounting ring 13a to the substantially central portion of the inner surface of the upper shell 6 by welding or the like.
- the optical disc 3 is rotatable in the disc storage section by the centering portion provided at the center of the disc table being engaged with the center hole 3a and being further sandwiched between the disc table and the clamping plate 13.
- the inner surface of the upper shell 6 is further provided with a rising wall 16a forming a location hole 26a of the lower shell 7 described later, and a rising wall 16b forming an alignment hole 26b.
- the lower shell 7 connected to the upper shell 6 configured as described above is made of a synthetic resin material using a mold device in the same manner as the upper shell 6 described above. It is formed by injection molding.
- the lower shell 7 has a substantially arc-shaped main surface, of which a front surface inserted into a recording and / or reproducing apparatus has a substantially arc shape.
- an outer peripheral wall 21 forming a side surface of the cartridge body 2 is formed to rise up along the outer peripheral edge of the main surface, and further, an inner peripheral wall 28 is formed so as to be inscribed in the outer peripheral wall 21. I have.
- the lower shell 7 is formed with a first opening 24 in which a central portion on the front side of the outer peripheral wall 21 is opened so that an optical pickup and a disc table can enter.
- the first opening 24 has a substantially rectangular optical pickup opening 24a that exposes a part of the signal recording surface of the optical disk 3 outwardly from the open end on the front side over the inner and outer peripheries, and an optical pickup.
- a rotation drive opening 24b that exposes the center hole 3a of the optical disc 3 that is continuous with the opening 24a. That is, the recording / reproducing opening 24a is formed in a size sufficient to allow the optical pickup of the recording and / or reproducing device to enter the inside of the cartridge body 2, and the rotation driving opening 24b is provided for the recording / reproducing opening 24b.
- a disk table constituting a disk rotation drive mechanism of the reproducing apparatus is formed in a size sufficient to allow the disk table to enter the cartridge body 2.
- a tapered portion 24c which is inclined in a direction in which the opening end widens is formed on one opening end side of the opening 24b for optical pickup.
- the tapered portion 24c is used by the operated portion 45 of the rotation wheel 4 to be described later for the first and second shirt plates 5a. , 5b are located in a state where the first opening 24 is opened, and serve as a portion in which the operated portion 45 is accommodated.
- a pair of first and second shutter plates 5a and 5b are provided on one side edge of the recording / reproducing opening 24a and the driving opening 24b constituting the first opening 24.
- a plurality of projections 27 are formed to prevent dust and the like from entering the cartridge body 2.
- a boss 22 On the back side of the outer peripheral wall 21, there is formed a boss 22 having a through hole formed to abut the boss 10 formed with the above-described screw hole on the upper shell 6 side.
- the upper shell 6 and the lower shell 7 are screwed through the through holes of the bosses 22 of the lower shell 7 and screwed into the screw holes of the boss 10 of the upper shell 6. Be combined.
- an insertion guide groove for engaging an insertion guide member on the recording and / or reproducing apparatus side when the disc cartridge 1 is inserted into the recording and / or reproducing apparatus. 25a and 25b are formed. As shown in FIG. 7, the insertion guide grooves 25a and 25b are formed so as to have the widest opening end sides, and are formed so that the insertion guide pins 100 can easily enter. The innermost portions of the insertion guide grooves 25a and 25b may be formed to have a width substantially equal to the outer diameter of the insertion guide pin 100.
- a lock mechanism 71 is provided in one of the insertion guide grooves 25b, and a lock release piece 77 of a lock member 72 constituting the lock mechanism 71 faces the insertion guide groove 25b.
- the guide pin 100 functions as a lock release pin for pressing the lock release piece 77.
- a location serving as a reference hole for positioning and mounting the disk cartridge 1 on the recording and / or reproducing apparatus is formed.
- a hole 26a is formed.
- an alignment hole 26b for adjustment is formed.
- both sides of the cartridge body 2 which is formed by abutting the upper shell 6 and the lower shell 7, are parallel to the recording and / or reproducing apparatus. From the front side to the back side, a guide for entering the recording and Z or playback device. A groove 15 is formed.
- a storage section for storing the rotation wheel 4 is formed inside the inner peripheral wall 11.
- the rotation wheel 4 housed in the housing portion is formed by injection molding a synthetic resin material using a mold device.
- the main surface portion of the rotation wheel 4 has a substantially dish shape, and when the concave side is disposed in the cartridge body 2, the upper shell 6 and one of the main surfaces of the first and second shutter plates 5a and 5b are in contact with each other. Constitutes a disk storage unit.
- the rotation wheel 4 is formed in a substantially circular shape, and a ring portion 43 is formed upright on the outer peripheral edge thereof.
- a second opening 44 having substantially the same size as the first opening 24 provided in the lower shell 7 is formed in the main surface of the rotation wheel 4.
- the second opening 44 allows the stored optical disk 3 to face the outside when the second opening 44 coincides with the first opening 24 of the lower shell 7. That is, the second opening 44 is constituted by an opening corresponding to the optical pickup opening 24a of the first opening 24 and an opening corresponding to the rotation driving opening 24b.
- the second opening 44 is formed so as to gradually increase in width from the center side to the outer periphery in order to absorb an error with the first opening 24.
- the first opening 24 is prevented from becoming smaller due to a mounting error.
- the second opening 44 is formed such that both side edges in the radial direction are inclined outward by about 1 °.
- a tapered portion 42 inclined toward the main surface is formed at the base end of the ring portion 43.
- the tapered portion 42 supports the outer peripheral edge of the optical disc 3 by line contact, and the signal recording surface of the optical disc 3 is in surface contact with the main surface of the rotation wheel 4 to prevent scratches.
- a pair of first and second shirt plates 5a and 5b are located on the outer surface of the second opening 44. Therefore, as shown in FIG. 9, the first and second shirt plates 5a and 5b are prevented from entering the second opening 44 at opposing side edges of the second opening 44. Tapered portions 44a and 44b are formed. Furthermore, when the first and second shutter plates 5a, 5b close the first and second openings 24, 44, the rotation wheel 4 engages with the first shutter plate 5a. Prevents the lifting of this shirt plate 5a An engagement groove 50 is formed.
- the engagement groove 50 is formed by a piece having a substantially L-shaped cross section with the side edge of the first opening 24 as an opening end.
- an operated member that protrudes outward and engages with a shutter release pin 41 that constitutes a shutter release mechanism on the recording and / or reproducing apparatus side.
- a part 45 is formed.
- the operated part 45 constitutes a concave part in which the recording and / or reproducing apparatus side is opened by the first operated piece 45a and the second operated piece 45b, and the recording and / or reproducing apparatus The side shutter release pin 41 is engaged.
- the second operated piece 45b is a piece against which the pin 41 abuts, and the direction in which the rotation wheel 4 closes the first and second shirt plates 5a, 5b with the first and second openings 24, 44. When it rotates, it becomes a piece against which the shutter release pin 41 abuts. As will be described later, the rotation wheel 4 is urged by an urging member 48 in the direction of arrow A in FIG. 10 in which the shirt plates 5a and 5b open the first and second openings 24 and 44. Further, a greater force is applied to the first operated piece 45a than to the second operated piece 45b. Therefore, the first operated piece 45a is formed larger than the second operated piece 45b so as to increase the mechanical strength, and here, the height h force of the first operated piece 45a It is formed to be larger than the height h of the piece 45b
- the first operated piece 45a is formed higher than the second operated piece 45b to increase the mechanical strength, and further ensure that the shutter release pin 41 is more securely engaged.
- the operated portion 45 configured as described above is exposed to the outside from the front surface of the lower shell 7 in which the first opening 24 is formed as the rotation wheel 4 rotates, and Move in the width direction.
- the operated portion 35 is located at a portion widened by the tapered portion 24c when the shutter plates 5a and 5b open the first opening 24.
- an engagement groove 45c that engages with the first shutter plate 5a is formed at the base end of the first operated piece 45a and the second operated piece 45b. Is formed.
- the engagement groove 45c engages with the first shirt plate 5a when the shirt plates 5a, 5c close the first and second openings 24, 44, thereby forming the first shirt plate 5a. Prevents ups and downs. Therefore, there is no gap between the periphery of the first opening 24 and the first shirting plate 5a. In addition, it is possible to prevent dust and the like from entering the cartridge body 2.
- the engagement groove 45c of the operated portion 45 together with the engagement groove 50 formed in the vicinity of the second opening 44 of the rotation wheel 4, prevents the first shutter plate 5a from rising and sinking. Do Accordingly, a gap between the second opening 44 and the shutter plate 5a is eliminated, and it is possible to prevent dust and the like from entering the cartridge body 2.
- the second operated piece 45b abuts on a regulating portion 29 connecting the outer peripheral wall 8 and the inner peripheral wall 11 of the upper shell 6 facing a part of the peripheral edge of the first opening 24 of the lower shell 7. This restricts the rotation area of the mouth wheel 4.
- the surface of the rotation wheel 4 on which the shutter plates 5a and 5b are arranged has protrusions for reducing the contact area with the shirt plates 5a and 5b and reducing the sliding resistance.
- the protrusion 46 is formed in an arc shape, and is formed to protrude, for example, by about 20 / m.
- the rotation wheel 4 as described above is biased by a biasing member 48 formed of a coil spring or the like in a direction in which the shirt plates 5a, 5b close the first and second openings 24, 44. .
- the biasing member 48 has one end locked by a locking piece 48a formed on the ring portion 43 of the rotation wheel 4, and the other end formed by a locking projection 48b formed on the inner surface of the upper shell 6 shown in FIG. It is locked to.
- the urging member 48 is a force that expands and contracts with the rotation of the rotation wheel 4.
- a rising force formed on the inner surface of the upper shell 6 and outside the inner peripheral wall 11 is formed by the rising wall S and the outer peripheral wall 8. It is guided by the formed guide groove 49 so that it does not violate in the cartridge body 2 during expansion and contraction. 8 and 9, a flange portion 47 for substantially closing the guide groove 49 is also formed on the outer peripheral edge of the rotation wheel 4. As shown in FIG.
- the locking projection 48b formed on the inner surface of the upper shell 6 has a distal end formed on the inner surface of the lower shell 7 when the upper and lower chenores 6 and 7 are connected by force S.
- the engaging projection 48b to which the urging force of the urging member 48 is applied is engaged with the formed substantially cylindrical reinforcing rib 48c.
- the rotation wheel 4 configured as described above is mounted on the shirt 5a, 5b are urged in a direction to close the first and second openings 24, 44, and the operated part 45 is closed by the shutter opening pin 41 on the recording and / or reproducing apparatus side. Is rotated in a direction to open the first and second openings 24 and 44. At this time, the inner peripheral wall 11 functions as a guide wall when the rotation wheel 4 rotates.
- a pair of first and second shirt plates 5a and 5b that constitute a shirt mechanism for opening and closing the first opening 24 formed in the lower shell 7 and the second opening 44 formed in the rotation wheel 4 include: As shown in FIG. 13, the first shirt plate 5a is formed larger than the second shirt plate 5b.
- the first shirting plate 5a includes a first shirting portion 51 that closes the first and second openings 24 and 44, and an outer peripheral wall 8 that is an inner surface of the upper shell 6.
- a first pivot support portion 53 pivotally supported by a first support shaft 52 formed between the inner peripheral wall 11 and a second shaft hole to which the smaller second shutter plate 5b is attached. 54.
- the first shutter portion 51 includes a first side edge 51a located at one side edge of the second opening 44 of the rotation wheel 4 when the second opening 44 is closed, and a first side edge 51a.
- a second side edge 51b continuous with the second side edge 51b and a third side edge 51c continuous with the second side edge 51b.
- the second side edge 51b is bent inward from the first side edge 51a, and the third side edge 51c is bent outward with respect to the second side edge 51b.
- bosses 10, 22 formed in one corner of the upper shell 6 or the lower shell 7 and rotation holes are provided on the fourth side edge 51d facing the first to third side edges 51a-51c.
- a wavy escaping portion 51e for escaping an erroneous recording prevention member or the like is formed.
- the second side edge 51b and the third side edge 51c are formed as tapered portions in opposite directions. Further, the first side edge portion 51a is engaged with the engagement groove 50 formed in the rotation wheel 4, so that the first side edge portion 51a is prevented from floating.
- a groove 51f is formed on the surface of the first shell 51 on the side of the lower shell 7 so as to engage with the projection 27 formed on the peripheral edge of the first opening 24 of the lower shell 7. .
- a guide projection 51g that engages with a guide groove 55 formed on the main surface of the rotation wheel 4 is formed on the surface of the first shutter 51 on the optical disk 3 side.
- the guide protrusion 51g regulates the rotation of the first shutter plate 5a by engaging with the guide groove 55 of the rotation wheel 4.
- a regulating protrusion 51h for regulating the displacement of the shirt board 5a is formed on the surface of the first shirt part 51 on the optical disk 3 side.
- the first pivotal support portion 53 of the bottom plate 5a is formed to be thicker than the bottom portion 51 and has a higher strength, and the first support shaft 52 formed in the upper shell 6 is inserted therethrough.
- a first shaft hole 53a is formed.
- the first support shaft 52 is formed at a height protruding from the first rotation support portion 53 when the first support shaft 52 is inserted into the first shaft hole 53a.
- the distal end of the first spindle 52 engages with a bearing 57 formed on the lower shell 7 so that the first rotation support 53 can be moved by the first spindle even if an impact such as dropping is applied.
- the first support shaft 52 is reinforced in strength while keeping the first support shaft 52 from coming off.
- the second shirt plate 5b engaged with the first shirt plate 5a closes the first and second openings 24 and 44 together with the first shirt member 51, as shown in FIG. A second shutter portion 61 and a second rotation support portion 62 attached to a second shaft hole 54 formed in the first shutter plate 5a.
- the second shirt portion 61 includes a first side edge 61a that engages with the second side edge 5 lb of the first shirt portion 51, and a first shirt edge that is continuous with the first side edge 61a.
- a second side edge 61b associated with the third side edge 51c of the portion 51, and a third side edge connected to the first side edge 61a on the opposite side of the second side edge 61b.
- the first side edge portion 61a is formed of a taper portion opposite to the taper portion of the second side edge portion 51b of the first shutter portion 51
- the second side edge portion 61b is formed of the first side edge portion 61b.
- the third side edge portion 51c of the shirt portion 51 is formed of a taper portion opposite to the taper portion.
- the tapered portion of the first side edge 61a and the tapered portion of the second side edge 61b are formed in opposite directions.
- the closing plates 5a, 5b close the first and second openings 24, 44, the second side edge 51b of the first closing portion 51 and the first side edge of the second closing portion 61
- the tapered portion 61a engages with the tapered portion of the third side edge 51c of the first shirt portion 51 and the tapered portion of the second side edge portion 61b of the second shirt portion 61. Engagement, each engages in the opposite direction. Therefore, when the pair of shirt plates 5a, 5b closes the first and second openings 24, 44, the shirt plates 5a, 5b engage with each other, so that dust and the like can be formed inside the joint portion. In addition to preventing intrusion, the shirts 5a, 5b are pushed down into the radius when pressed.
- a protrusion 61d is formed at an end of the third side edge 61c opposite to the first side edge 61a.
- the projection 61d was formed near the first opening 24 on the front side of the lower shell 7 when the second shirting plate 5b closed the first and second openings 24, 44. It is engaged with the engaging portion 61e to prevent dust and the like from entering through a gap between the first opening 24 and the second shutter plate 5b.
- a groove-shaped first cam portion 64 with which a first control projection 63 formed on the rotation wheel 4 is engaged is formed on the second shutter portion 61.
- the first cam portion 64 controls the rotation of the second shutter plate 5b when the first control projection 63 is engaged.
- the first cam portion 64 is composed of a narrow portion 64a on the outer peripheral side of the rotation wheel 4 and a wide portion 64b wider than the narrow portion 64a from the center of the rotation wheel 4, and the narrow portion 64a is In the first half when the second shutter plate 5b opens the first and second openings 24 and 44, the second shutter plate 5b is rotated, and the first control projection 63 moves to the widening portion 64b. Then The rotational operation force on the second shutter plate 5b is released.
- the distal end of the first control projection 63 formed on the rotation wheel 4 engages with a clearance groove 63a formed on the inner surface of the lower shell 7, and the first cam portion 64 From falling off due to impact or the like.
- the second shutter 61 is provided with a second control projection 66 which engages with a second cam 65 formed by a groove formed in the main surface of the rotation wheel 4.
- the second cam portion 65 includes a first curved portion 65a curved in the first direction on the center side of the rotation wheel 4 and a second curved portion 65a on the outer peripheral side of the rotation wheel 4 opposite to the first curved portion 65a. And a second curved portion 65b curved in the direction of 2.
- the first curved portion 65a is a first half portion of the second shirt plate 5b when the first and second openings 24 and 44 are opened.
- a second support shaft 62a is formed on the second rotation support portion 62, and the second support shaft 62a is formed on the first rotation support portion 53 of the first shutter plate 5a.
- the second shaft hole 54 is inserted. Therefore, the second shirt plate 5b rotates with respect to the first shirt plate 5 which does not rotate with respect to the rotation wheel 4.
- the distal end of the second support shaft 62a protrudes from the second rotation support portion 62, as shown in FIG. 16, and the distal end engages with a clearance groove 62b formed on the inner surface of the lower shell 7.
- the second shaft hole 54 is prevented from dropping by an impact or the like.
- FIG. 17 shows a state where the first and second shirt plates 5a and 5b close the first and second openings 24 and 44.
- the rotation wheel 4 is actuated by the urging force of the urging member 48 as shown by an arrow in FIG.
- the operated portion 45 is in a state of being urged to rotate in the A direction, and is located at one side edge of the first opening 24.
- the second side edge portion 51b of the first shutter portion 51 and the tapered portion of the first side edge portion 61a of the second shutter portion 61 engage with each other, and further, the first shutter portion 51 The tapered portion of the third side edge 51c and the second shell
- the engagement with the tapered portion of the second side edge portion 61b of the shutter portion 61 engages in the opposite direction to prevent dust and the like from entering the inside from the joint portion, and to reduce the When the plates 5a and 5b are pressed, it is hard to bend.
- the guide projection 5lg of the first shirting plate 5a is located at one end of the guide groove 55 of the rotation wheel 4 from the center of the rotation wheel 4. Further, a first control projection 63 is engaged with the narrow portion 64a of the first cam portion 64 of the second shutter plate 5b. Further, the second control projection 66 of the second shutter plate 5b is engaged with the first curved portion 65a of the second cam portion 65 of the rotation wheel 4.
- the guide protrusion 51g is engaged with the guide groove 55.
- the first shutter plate 5a rotates about the first support shaft 52 of the upper shell 6 in the direction of arrow B in FIG.
- the second shirt plate 5b moves in the direction of the arrow C with respect to the first shirt plate 5a around the second support shaft 62a of the first shirt plate 5a. Rotate in the direction.
- the rotation of the second shutter plate 5b is started, the rotation is performed by the narrow portion 64a of the first cam portion 64 with which the first control protrusion 63 of the rotation wheel 4 is engaged.
- the part 65a does not apply a rotational operation force to the second control protrusion 66.
- the second control protrusion 66 of the second shirt plate 5b moves from the first curved portion 65a to the second curved portion 65b, and moves the second shirt plate 5b in the direction of arrow C. Rotate.
- the first and second openings 24 and 44 are opened, and the optical disc 3 housed in the rotation wheel 4 is moved between the inner and outer circumferences. It can be exposed to the outside throughout.
- the rotation of the rotation wheel 4 is restricted in the cartridge body 2 so that the shutter plates 5a and 5b close the second openings 24 and 44.
- a lock mechanism 71 for holding the lock.
- the lock mechanism 71 has a lock member 72 for locking the rotation wheel 4.
- the lock member 72 has a base 73, and the base 73 has a shaft hole 75 through which a support shaft 74 formed on the inner surface of the lower shell 7 passes.
- the base portion 73 includes a lock portion 76 for locking the rotation of the rotation wheel 4, and a lock release piece 77 pressed by an input guide pin 100 that also functions as a lock release pin on the recording and Z or playback device side.
- a rotation restricting piece 78 for restricting the rotation of the base portion 73 and a locking piece 79 for locking one end of the urging member are formed.
- the lock member 72 is disposed near the insertion guide groove 25b on the side of the alignment hole 26b formed on the back side of the lower shell 7.
- the lock member 72 is attached to the lower shell 7 by passing a shaft hole 75 through a support shaft 74 of the lower shell 7.
- the tip of the support shaft 74 protrudes from the base 73 even when the lock member 72 is attached.
- the projecting end of the support shaft 74 is engaged with a bearing portion 86 provided on the upper shell 6 side so that the lock member 72 does not come off the support shaft 74 even when an impact such as a drop is applied. That is, the strength of the support shaft 74 is reinforced.
- the lock member 72 has a lock portion 76 facing inward, and a lock release piece 77 formed in the insertion guide groove 25b through an escape hole 80 formed in a rising wall constituting the insertion guide groove 25b. Is coming.
- the rotation restricting piece 78 restricts the rotation of the lock member 72 by abutting on the boss 22 continuous with the rising wall.
- an attachment pin 83 to which an urging member 82 such as a torsion coil panel for urging the lock member 72 in one direction is attached.
- the coil portion of the urging member 82 is wound around the mounting pin 83.
- the urging member 82 attached to the mounting pin 83 has one arm portion locked to the boss 22 and the other end locked to the locking piece 79 of the lock member, and unlocks the lock member 72.
- the lock 77 is urged in the direction of arrow D in FIG. 17 so that the piece 77 is located on the opening end side of the insertion guide groove 25b.
- the lock portion 76 of the base portion 73 is located slightly inward of the outer peripheral portion of the rotation wheel 4.
- a lock groove 84 is formed slightly inward from the outer peripheral portion so that a lock portion 76 protruding from the base portion 73 is engaged.
- An engagement recess 85 is formed inside the lock groove 84.
- the engagement recess 85 is formed with a substantially vertical wall on the upper side, and is opposed to the vertical wall of the lock portion 76 to securely engage. Have come together.
- the lock portion 76 locks the rotation of the rotation wheel 4 by engaging with the engagement concave portion 85. As shown in FIG.
- the lock groove 84 is a surface of the rotation wheel 4 on the side where the optical disk 3 is stored, and a table for supporting the outer peripheral edge of the optical disk 3 formed at the base end of the ring 43. It is formed on the lower side of the pad portion 42 so as not to provide an unnecessarily thick portion.
- the lock member 72 is formed of a synthetic resin material having excellent lubricity and slidability, for example, a polyacetal resin, and is formed so as to reduce frictional resistance with respect to the lower shell 7 and the support shaft 74. .
- the unlocking piece 77 faces the front opening end of the insertion guide groove 25b from the escape hole 80, and serves as an unlocking pin on the recording and Z or playback device side.
- 100 is in a pressable state. Specifically, the bottom surface of the insertion guide groove 25b is open on the front side.
- the unlocking piece 77 is further exposed to the front opening end side than the end face 87 of the bottom surface of the insertion guide groove 25b, and the insertion guide pin 100 serving as the unlocking pin on the recording and Z or reproducing apparatus side can be pressed. Has become.
- the unlocking piece 77 faces the inside of the guide groove 25b, thereby preventing an erroneous operation.
- the lock release pin When the disc cartridge 1 is inserted into the recording and / or reproducing apparatus, the lock release pin enters the insertion guide groove 25b as shown in FIG.
- the insertion guide pin 100 serving as the lock release pin of the recording and / or reproducing apparatus enters the insertion guide groove 25b from the front end on the front side
- the lock release piece 77 is first pressed, and then the insertion guide pin 100 It abuts against the end surface 87 of the bottom surface that serves as a restricting portion that controls the entry position.
- the insertion guide pin 100 also enters the insertion guide groove 25a.
- the unlocking piece 77 is pressed by the insertion guide pin 100 until the insertion guide pin 100 abuts against the end face 87 serving as a regulating portion.
- the guide pin 100 can surely press the unlocking piece 77.
- the disc cartridge 1 having the above-described configuration is in a state as shown in FIGS. 1, 2 and 17 before being mounted on the recording and / or reproducing apparatus. That is, when the pair of shirt plates 5a, 5b close the first and second openings 24, 44, the rotation wheel 4 is rotated in the direction of arrow D in FIG. 17 by the urging force of the urging member 48. In the urged state, the operated portion 45 is located at one side edge of the first opening 24. Then, as shown in FIG. 11, the engagement groove 45c of the operated portion 45 is combined with the engagement groove 50 formed in the vicinity of the second opening portion 44 of the rotation wheel 4, so as to form the first shutter. The board 5a is prevented from rising and sinking.
- the second side edge portion 51b of the first shutter portion 51 and the tapered portion of the first side edge portion 61a of the second shutter portion 61 are engaged with each other.
- the tapered portion of the third side edge portion 51c of the portion 51 and the tapered portion of the second side edge portion 61b of the second shutter portion 61 mesh with each other, and each meshes in the opposite direction.
- the disc cartridge 1 has the shirt plates 5a and 5b engaged with each other and deformed radially, and the lifting of the shirt plate 5a is prevented. Foreign matter is prevented from entering.
- the guide projection 5lg of the first shirting plate 5a is located at one end of the guide groove 55 of the rotation wheel 4 from the center of the rotation wheel 4.
- a first control projection 63 is engaged with the narrow portion 64a of the first cam portion 64 of the second shutter plate 5b.
- the second control projection 66 of the second shutter plate 5b is engaged with the first curved portion 65a of the second cam portion 65 of the rotation wheel 4.
- the disk cartridge 1 is in a state where the first opening 24 of the lower shell 7 is closed. Even when the first shutter plate 5a is pressed, the regulating protrusion 51h of the first shutter plate 5a abuts on the inner peripheral side non-signal recording area of the optical disc 3, and the first Since the shirt part 51 does not contact the signal recording area of the optical disc 3, it is possible to prevent the signal recording area from being damaged.
- the lock mechanism 71 will be described. As shown in FIG. 17, the lock member 72 is urged in the direction of arrow D in FIG. 17 by the urging force of the urging member 82 around the support shaft 74. . At this time, the lock portion 76 is engaged with the engagement recess 85 of the lock groove 84. Therefore, the rotation of the mouth station wheel 4 is prohibited by the engagement of the lock portion 76 with the engagement recess 85. Even if a force for rotating the rotation wheel 4 in the direction of the arrow D is forcibly applied, at this time, a force in the direction of the arrow D in FIG. Therefore, the locking member 72 can securely lock the rotation of the rotation wheel 4.
- the unlocking piece 77 faces the front opening end of the insertion guide groove 25b from the escape hole 80, and serves as an unlocking pin on the recording and Z or playback device side.
- 100 is in a pressable state. Specifically, the bottom surface of the insertion guide groove 25b is open on the front side. The unlocking piece 77 is further exposed to the front opening end side than the end face 87 of the bottom surface of the insertion guide groove 25b, and the insertion guide pin 100 serving as the unlocking pin on the recording and Z or reproducing apparatus side can be pressed.
- the disk cartridge 1 as described above is inserted into a recording and / or reproducing apparatus with a front surface formed in a substantially arc shape as an insertion end. When inserted into the recording and / or reproducing apparatus, first, a pair of insertion guide pins formed on the mounting portion of the recording and / or reproducing apparatus.
- the insertion guide grooves 25a and 25b are formed so as to have the widest front open end, so that the disk cartridge 1 can be surely guided to a predetermined position of the mounting portion. it can.
- the width of the innermost portion of the insertion guide grooves 25a and 25b is substantially the same as the thickness of the insertion guide pin, the disc cartridge 1 is moved to the recording and Z or playback device by the insertion guide pin 100. Able to accurately attach to the specified position of the mounting section.
- the insertion guide pin 100 engages with the location hole 26a and the alignment hole 26b.
- the location hole 26a is a reference hole for mounting the disc cartridge 1
- the alignment hole 26b is an adjustment hole.
- the lock release pin which is the insertion guide pin 100, enters the insertion guide groove 25b from the front opening end, and first presses the lock release piece 77, Next, it hits the end face 87 of the bottom surface.
- the unlocking piece 77 is pressed by the unlocking pin 88 until the unlocking pin 88 abuts against the end face 87.
- the hook member 72 rotates around the support shaft 74 in the direction indicated by the arrow D opposite to the urging force of the urging member 82 in FIG. Accordingly, the engagement state of the lock portion 76 in the engagement recess 85 in the lock groove 84 is released, and the rotation wheel 4 is in a rotatable state.
- the rotation wheel 4 When the disc cartridge 1 is mounted on the mounting portion of the recording and / or reproducing apparatus, the rotation wheel 4 is rotated in the direction indicated by the arrow A in FIG. 17 against the biasing force of the biasing member 48 at the operated portion 45.
- the guide protrusion 5 lg engages the guide groove 55 of the rotation wheel 4.
- the combined first shutter plate 5a rotates around the first support shaft 52 of the upper shell 6 in the direction of arrow B in FIG.
- the second shirt plate 5b moves with respect to the first shirt plate 5a around the second support shaft 62a of the first shirt plate 5a in FIG. Rotate in the direction of arrow C.
- the guide projection 51g engaged with the guide groove 55 of the rotation wheel 4 becomes the outer periphery of the rotation wheel 4 of the guide groove 55 as shown in FIG. Move to the other end of the side.
- the second shirt plate 5b moves with respect to the first shirt plate 5a around the second support shaft 62a of the first shirt plate 5a in FIG. Rotate in the direction of arrow B. Then, it moves to the widened portion 64b of the first cam portion 64 of the first control projection 63 of the rotation wheel 4, and does not act on the second shutter plate 5b.
- the second control projection 66 of the second shirt plate 5b moves from the first curved portion 65a to the second curved portion 65b, and moves the second shirt plate 5b to the arrow C in FIG. Rotate in the direction.
- the operated portion 45 is located at the portion of the first opening 34 that is widened by the taper portion 24c, and the first and second openings 24 and 44 are, as shown in FIG.
- the optical disk 3 which is released and accommodated in the rotation wheel 4 is exposed to the outside over the inner and outer circumferences.
- the optical disk 3 rotatably stored in the rotation wheel 4 is provided in the upper shell 6 while the center hole 3a is engaged with the disk table of the disk rotation drive mechanism on the recording and / or reproducing device side. And is rotatable by the disk table.
- the optical disk 3 When an information signal is recorded on the optical disk 3 and the information signal recorded on the optical disk 3 is reproduced, the optical disk 3 is rotated by CLV (Constant Linear Velocity), CAV (Constant Angular Velocity) or a combination thereof by a disk table. .
- the optical pickup that has entered the first and second openings 24 and 44 A light beam with a wavelength of about 400 nm emitted from the semiconductor laser is condensed by the objective lens onto the signal recording area of the disk 3 and irradiates the signal recording surface of the optical disk 3, and the return light beam reflected by this signal recording surface
- the information signal is recorded on the optical disk 3 by detecting the information, or the information signal recorded on the optical disk 3 is read.
- the rotation wheel 4 rotates in the direction of arrow D in FIG. 18 by the urging force of the urging member 48, and changes from the state of FIG. Return to the state of 17. Then, the lock portion 76 of the lock member 72 moves in the lock groove 84, engages with the engagement recess 85, and returns to the state where the first and second openings 24 and 44 are closed.
- the present invention is not limited to the small disk cartridge 1 to which the present invention is applied, and the present invention is not limited thereto.
- a disk cartridge having a standard size as described in the above-mentioned patent publication Can also be applied.
Landscapes
- Feeding And Guiding Record Carriers (AREA)
- Packaging For Recording Disks (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE602004025588T DE602004025588D1 (de) | 2003-08-28 | 2004-08-16 | Datenträgerkassette |
EP04771717A EP1659587B1 (en) | 2003-08-28 | 2004-08-16 | Disk cartridge |
US10/530,286 US7287265B2 (en) | 2003-08-28 | 2004-08-16 | Disk cartridge |
KR1020057007236A KR101053350B1 (ko) | 2003-08-28 | 2004-08-16 | 디스크 카트리지 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003-305313 | 2003-08-28 | ||
JP2003305313A JP4089561B2 (ja) | 2003-08-28 | 2003-08-28 | ディスクカートリッジ |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005022535A1 true WO2005022535A1 (ja) | 2005-03-10 |
Family
ID=34269296
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/011756 WO2005022535A1 (ja) | 2003-08-28 | 2004-08-16 | ディスクカートリッジ |
Country Status (8)
Country | Link |
---|---|
US (1) | US7287265B2 (ja) |
EP (1) | EP1659587B1 (ja) |
JP (1) | JP4089561B2 (ja) |
KR (1) | KR101053350B1 (ja) |
CN (1) | CN1317711C (ja) |
DE (1) | DE602004025588D1 (ja) |
TW (1) | TWI268489B (ja) |
WO (1) | WO2005022535A1 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005038607A2 (en) * | 2003-10-14 | 2005-04-28 | Aprilis, Inc. | System and method for accessing media in a data storage system |
JP2006268896A (ja) * | 2005-03-22 | 2006-10-05 | Fuji Photo Film Co Ltd | 記録ディスクカートリッジ |
JP4580854B2 (ja) * | 2005-09-30 | 2010-11-17 | 富士フイルム株式会社 | 感光性記録媒体用記録再生装置 |
US20070067785A1 (en) * | 2005-09-16 | 2007-03-22 | Fuji Photo Film Co., Ltd. | Recording and reproducing apparatus for photosensitive recording medium |
JP4534933B2 (ja) * | 2005-09-30 | 2010-09-01 | ソニー株式会社 | ディスクカートリッジ |
WO2007126144A1 (en) * | 2006-04-27 | 2007-11-08 | Panasonic Corporation | Disk cartridge |
JP4769125B2 (ja) * | 2006-05-29 | 2011-09-07 | 株式会社日立製作所 | ディスク装置 |
CN101465143B (zh) * | 2007-12-19 | 2010-11-10 | 鸿富锦精密工业(深圳)有限公司 | 光盘读写装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003109345A (ja) * | 2001-09-27 | 2003-04-11 | Sony Corp | ディスクカートリッジ、ディスク記録媒体装置及びディスク記録再生装置 |
JP2003109343A (ja) * | 2001-09-28 | 2003-04-11 | Sony Corp | ディスクカートリッジ |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW522385B (en) * | 2000-05-17 | 2003-03-01 | Sony Corp | Disk cartridge |
JP4089140B2 (ja) * | 2000-07-28 | 2008-05-28 | ソニー株式会社 | ディスクカートリッジ |
US6880167B2 (en) * | 2001-03-15 | 2005-04-12 | Fuji Photo Film Co., Ltd. | Disk cartridge for engaging with a sensor member of a drive device |
JP3948235B2 (ja) * | 2001-10-01 | 2007-07-25 | ソニー株式会社 | ディスクドライブ装置 |
WO2003041075A1 (fr) * | 2001-11-05 | 2003-05-15 | Sony Corporation | Cartouche destinee a recevoir un support d'enregistrement |
JP2004071043A (ja) * | 2002-08-06 | 2004-03-04 | Fuji Photo Film Co Ltd | ディスクカートリッジおよびそのドライブ装置 |
US7278151B2 (en) * | 2002-12-25 | 2007-10-02 | Sony Corporation | Disc cartridge |
US6944875B2 (en) * | 2003-02-14 | 2005-09-13 | Sony Corporation | Disc cartridge with shutter overlapping gap having labyrinth shaped portion spaced to have a recessed dust deposition portion |
-
2003
- 2003-08-28 JP JP2003305313A patent/JP4089561B2/ja not_active Expired - Fee Related
-
2004
- 2004-08-16 EP EP04771717A patent/EP1659587B1/en not_active Expired - Lifetime
- 2004-08-16 CN CNB2004800011443A patent/CN1317711C/zh not_active Expired - Fee Related
- 2004-08-16 US US10/530,286 patent/US7287265B2/en not_active Expired - Fee Related
- 2004-08-16 DE DE602004025588T patent/DE602004025588D1/de not_active Expired - Lifetime
- 2004-08-16 KR KR1020057007236A patent/KR101053350B1/ko not_active IP Right Cessation
- 2004-08-16 WO PCT/JP2004/011756 patent/WO2005022535A1/ja active Application Filing
- 2004-08-26 TW TW093125646A patent/TWI268489B/zh not_active IP Right Cessation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003109345A (ja) * | 2001-09-27 | 2003-04-11 | Sony Corp | ディスクカートリッジ、ディスク記録媒体装置及びディスク記録再生装置 |
JP2003109343A (ja) * | 2001-09-28 | 2003-04-11 | Sony Corp | ディスクカートリッジ |
Non-Patent Citations (1)
Title |
---|
See also references of EP1659587A4 * |
Also Published As
Publication number | Publication date |
---|---|
KR20060113348A (ko) | 2006-11-02 |
KR101053350B1 (ko) | 2011-08-01 |
TWI268489B (en) | 2006-12-11 |
EP1659587A1 (en) | 2006-05-24 |
US7287265B2 (en) | 2007-10-23 |
TW200512733A (en) | 2005-04-01 |
JP4089561B2 (ja) | 2008-05-28 |
JP2005078677A (ja) | 2005-03-24 |
DE602004025588D1 (de) | 2010-04-01 |
CN1701380A (zh) | 2005-11-23 |
CN1317711C (zh) | 2007-05-23 |
EP1659587A4 (en) | 2008-08-27 |
EP1659587B1 (en) | 2010-02-17 |
US20060294535A1 (en) | 2006-12-28 |
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