WO2005027113A1 - 記録媒体駆動装置 - Google Patents
記録媒体駆動装置 Download PDFInfo
- Publication number
- WO2005027113A1 WO2005027113A1 PCT/JP2004/013059 JP2004013059W WO2005027113A1 WO 2005027113 A1 WO2005027113 A1 WO 2005027113A1 JP 2004013059 W JP2004013059 W JP 2004013059W WO 2005027113 A1 WO2005027113 A1 WO 2005027113A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- recording medium
- disk
- tray
- driving device
- type recording
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
- G11B17/02—Details
- G11B17/04—Feeding or guiding single record carrier to or from transducer unit
- G11B17/057—Feeding or guiding single record carrier to or from transducer unit specially adapted for handling both discs contained within cartridges and discs not contained within cartridges
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
- G11B17/02—Details
- G11B17/022—Positioning or locking of single discs
- G11B17/028—Positioning or locking of single discs of discs rotating during transducing operation
- G11B17/0284—Positioning or locking of single discs of discs rotating during transducing operation by clampers
- G11B17/0285—Positioning or locking of single discs of discs rotating during transducing operation by clampers mounted on a bridge
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
- G11B17/02—Details
- G11B17/022—Positioning or locking of single discs
- G11B17/028—Positioning or locking of single discs of discs rotating during transducing operation
- G11B17/0288—Positioning or locking of single discs of discs rotating during transducing operation by means for moving the turntable or the clamper towards the disk
Definitions
- the present invention relates to a recording medium driving device that places a recording medium on a tray and stores it inside.
- a recording / reproducing apparatus is used for reproducing information from an optical recording medium and recording information on a recording medium.
- the recording / reproducing apparatus houses a recording medium therein, and the recording medium is rotated at a high speed inside the recording / reproducing apparatus, and reading / writing is performed by a recording / reproducing mechanism.
- the recording medium includes a bare disk type recording medium such as a CD (Compact Disc) that is used with its recording surface exposed, and an MD (Mini) stored in a cartridge to protect the recording surface.
- a bare disk type recording medium such as a CD (Compact Disc) that is used with its recording surface exposed
- MD Minimum
- a tray mounting type recording / reproducing apparatus has attracted attention as a device capable of reading and writing both of the bare disk type recording medium and the cartridge type recording medium.
- the cartridge type recording medium is provided with a cartridge information portion such as a hole at the end which can select writable or unwritable, and the cartridge information portion corresponding to the cartridge information portion is provided on the tray mounting surface.
- a hole for detection is provided on the same surface as the disk holder and the mounting surface.
- a cartridge type recording medium can be written by passing an inspection pin member through the hole. Information such as strength can be checked.
- Patent Document 1 Patent Publication No. 2882321 (FIG. 1)
- the disk holder and the detection hole are provided on the same surface on which the disk is mounted, so that the position of the detection hole or the disk holder is limited. And the tray mounting surface cannot be used effectively.
- research on large-capacity optical recording media is progressing rapidly, and the cartridge information portion provided at the end of the disc is not limited to a write-on / write-off option.
- a cartridge type recording medium to be provided in the information part has also been studied. When such a cartridge-type recording medium having a plurality of cartridge information parts is placed on a tray provided with a disk holder on the mounting surface, the detection part is limited because of the disk holder, and the information of the cartridge is limited. May not be accurately communicated.
- the present invention is intended to solve the above-described problems and to provide a recording medium drive capable of effectively utilizing a tray mounting surface.
- a recording medium driving device of the present invention has a tray on which both a cartridge type recording medium and a bare disk type recording medium can be placed, and at least a recording medium for reproducing or recording the recording medium.
- a driving device wherein the tray has a mounting surface on which the recording medium is mounted, a rising portion formed to rise with respect to the mounting surface, and at least the bare disk type A disk holder rotatable between a position for positioning the mounting position of the recording medium and a position for retracting the force of the cartridge type recording medium when the cartridge type recording medium is mounted.
- FIG. 1 is an overall perspective view of a recording medium driving device according to a first embodiment.
- FIG. 2 is an exploded perspective view of the device.
- FIG. 3 is a front view of the device when a tray is removed.
- FIG. 4 is a perspective view in the state of FIG. 3;
- FIG. 5 is a sectional view of a frame and a base member of the device.
- FIG. 6 is another sectional view of a frame and a base member of the device.
- FIG. 7 is a perspective view showing a tray of the device.
- FIG. 8 is an enlarged front view of a part of the tray of FIG. 7;
- FIG. 9 is a view showing the movement of a base member 20 of the device.
- FIG. 10 is a front view showing a recording medium used in the recording medium driving device of the present invention.
- FIG. 11 is an overall perspective view of a state in which the recording medium driving device according to the second embodiment is placed horizontally.
- FIG. 12 is an overall perspective view of a state where the device is placed vertically.
- FIG. 13 is an enlarged front view of a main part of the tray 30 shown in FIGS. 11 and 12.
- horizontal placement refers to a method of placing the recording medium driving device such that the tray mounting surface is substantially parallel to the surface on which the recording medium driving device is placed. In this case, the mounting surface of the tray is horizontal with respect to the surface on which the recording medium drive is installed.
- “Vertical installation” means a so-called vertical installation in which the recording medium drive is installed so that the tray mounting surface is substantially substantially perpendicular to the surface on which the recording medium drive is installed. Say In this case, the surface of the tray is vertical to the surface on which the recording medium drive is installed.
- FIGS. 1 to 9 show a recording medium driving apparatus according to a first embodiment of the present invention.
- FIG. 1 is an overall perspective view of a recording medium driving device according to a first embodiment of the present invention
- FIG. 2 is an exploded perspective view of the recording medium driving device of the embodiment.
- reference numeral 100 denotes a recording medium drive for recording and Z or reproducing a substantially planar recording medium.
- the recording medium drive 100 includes a frame 10 having a substantially rectangular planar shape and a frame 10 having a substantially rectangular shape.
- a casing is provided.
- the recording medium driving device 100 can be installed in both a horizontal position where the recording medium is placed horizontally and a vertical position where the recording medium is placed along the vertical direction.
- the recording medium used in the recording medium drive device 100 includes a bare disk type recording medium such as a CD that uses the disk 91 as it is, and a cartridge type recording medium 90 that stores the disk 91 in a cartridge 92. (See Figure 10).
- the disk 91 is formed in a disk shape having a circular hole 93 at the center, and has a recording surface on the surface.
- the cartridge 92 of the cartridge type recording medium 90 is provided with an opening 97 from the outer periphery toward the center. From the opening 97, the reproduction and Z or recording of the internal disk 91 can be performed.
- a cover 94 is provided to protect the disc 91 from the opening 97 except during playback and Z or recording.
- the cover 94 can be slid in either direction in one of two sides adjacent to the side where the opening 97 is provided, and two sides adjacent thereto. The sliding movement of the cover 94 opens the opening 97. It is. Further, a cartridge information portion 95 is provided at one end or both ends of the cartridge 92.
- the cartridge information section 95 includes a switching section for determining whether or not writing to the disc 91 is permitted.
- a frame 10 is a member formed of a synthetic resin or the like, and has a flat rectangular bottom portion 11, a back portion 12 integrally formed on one of short-side peripheral portions of the bottom portion 11, and The other part of the short side of the peripheral part of the bottom part 11 stands up from the bottom part 11 and is integrally formed. It has a front part 14 and two side parts 15 which are integrally formed on both long sides of the peripheral part of the bottom part 11 and have substantially the same height dimensions as the back part 12. A top opening 13 that is surrounded by and faces the bottom 11 is formed.
- the upper opening 13 side is the upper surface side
- the bottom 11 side is the lower surface side
- the rear portion 12 side regardless of whether the recording medium driving device 100 is placed horizontally or vertically.
- the front side 14 is defined as the front side.
- the direction of force from the front side to the back side is the forward direction
- the opposite direction is the retreat direction
- the direction from the upper surface to the lower surface is the up-down direction
- the bottom portion 11 has a side surface portion 15, a front surface portion 14, and a back surface portion 12 formed at a peripheral edge thereof, and a large hollow hole is provided inside the bottom portion 11.
- the hollow hole at the bottom 11 is a space for storing an electric circuit (not shown), and the operation of the recording medium driving device 100 is controlled by the electric circuit.
- the rear portion 12 has an external terminal portion (not shown) on the lower surface side, and the external terminal portion is electrically connected to an electric circuit provided on the bottom portion 11 in the frame.
- the external terminal section has a power cable connection section for supplying power to the recording medium drive, and an external terminal connection section for enabling connection with an external device such as a personal computer and communicating with the outside. !
- the information reproduced and the Z or the information to be recorded by the recording medium driving device 100 are mainly input / output to / from this external terminal.
- a sliding piece 150 for slidably supporting the tray 30 is provided on the inner wall of the side surface section 15 from front to back.
- a base member 20 is attached to the back side of the side surface portion 15 so as to swing.
- the front portion 14 is formed to have a smaller dimension in the vertical direction than the rear portion 12 and the side portion 15, and an opening 141 through which the tray 30 is inserted and removed is provided on the upper surface side of the front portion.
- An operation unit (not shown) is provided on the front unit 14, and the operation unit is located at the bottom 1
- the operation unit includes an eject button for taking the tray 30 in and out, a volume knob for adjusting the volume, an inlet of an earphone, and the like.
- a clamp mechanism 40 which is one of mechanisms for holding a recording medium, is attached to the upper surface opening 13.
- FIG. 3 is a front view of the recording medium driving device 100 with the clamp mechanism 40 and the tray 30 removed
- FIG. 4 is an overall perspective view of the recording medium driving device 100 with the clamp mechanism 40 and the tray 30 removed.
- the base member 20 is formed by pressing a metal plate material or the like.
- a plane circular disk table 23 that is rotatable about a vertical axis as a rotation axis is mounted.
- the disk table 23 is provided so as to protrude from the upper surface of the base member 20 toward the upper surface.
- An unillustrated rotary drive mechanism such as a motor is provided on the lower surface side of the disk table 23, and the rotary drive mechanism is electrically connected to the electric circuit by a flexible board made of synthetic resin or the like in which pattern wiring is embedded. Have been. When an electric signal of a drive command is transmitted from the electric circuit, the rotation drive mechanism rotates the disk table 23 at high speed.
- the disk table 23 includes a mounting portion 232 on which a recording medium is mounted, and a tapered portion 231 provided at the center of the mounting portion 232 and having a tapered upper surface having a smaller diameter.
- the tapered portion 231 is engaged with the circular hole 93 of the disk 91.
- a magnet 231A is fitted on the upper surface of the tapered portion 231 and a synthetic resin material that protects the surface of the recording medium and prevents slippage is provided on the upper surface of the mounting portion 232.
- the sheet member 232A is adhered. Even if the disk table 23 is rotated at a high speed by the sheet member 232A, the recording medium does not slip, so that the recording surface of the recording medium is not damaged.
- a hole 26 for recording / reproducing mechanism arrangement is provided on the back side of the disk table 23 of the base member 20, and a recording / reproducing mechanism 27 is provided in the hole 26 for recording / reproducing mechanism arrangement.
- the recording / reproducing mechanism 27 is shown only in FIG. 3 and is omitted in other drawings.
- the recording / reproducing mechanism 27 is a device for irradiating the recording surface of the recording medium with a laser beam to record, record, or reproduce information, and moves back and forth along the front and rear directions of the recording / reproducing mechanism arrangement hole 26 of the base member 20. It is possible.
- This recording and playback mechanism 27 A flexible cable (not shown) made of synthetic resin is connected to the unit, and the recording / reproducing mechanism 27 is electrically connected to the electric circuit via the flexible cable.
- a detection board mounting part 211 protruding toward the front side is formed.
- a flat detection board 60 is fixed to the lower surface side of the detection board mounting section 211.
- fixing by an adhesive, fixing by screws, fixing by welding, or the like can be used.
- a detection switch 61 is provided upright toward the upper surface, and the detection switch 61 is connected to the electric circuit via a wiring (not shown) extending to the lower surface of the base member 20.
- a detection pin 611 is provided facing the upper surface! /
- FIG. 5 is a cross-sectional view of the recording medium driving device 100
- FIG. 6 is another cross-sectional view of the recording medium driving device 100.
- a first shaft 21 and a second shaft 22 projecting toward the side surface portion 15 are provided on the side surface of the base member 20 .
- the first shaft 21 is provided on both side surfaces of the base member 20 whose substantially central force of the disk table 23 is also directed to the side surface portion 15, and the second shaft 22 is provided on the back side of both side surfaces of the base member 20.
- a first guide groove 151 is formed integrally with the side surface 15 at a position corresponding to the first shaft 21 inside the side surface 15 of the frame 10.
- first guide grooves 151 are provided on the inner surfaces of both side portions 15 of the frame 10 so as to correspond to the first shaft 21.
- the first guide groove 151 is formed so as to be slightly inclined from the front side to the back side from the direction perpendicular to the bottom 11. Since the disk table 23 is located on the upper surface side of the base member 20, if the first guide groove 151 is provided vertically, the first shaft 21 moves vertically with respect to the capture surface.
- the swing locus of the disk table 23 is not perpendicular to the capture surface but draws a slightly inclined line. Therefore, in order to make the swing locus of the disk table 23 perpendicular to the capture surface, the first guide groove 151 Are formed to be slightly inclined to guide them vertically.
- a shaft support member 153 is fixed to an end of the side surface 15 on the back side.
- the shaft support member 153 is a member having a substantially L-shaped cross section.
- Three shaft fixing holes 153A are formed in one piece of the L-shape, and the other piece has a second guide extending in the front and back directions.
- a second guide hole 152 as a groove is provided.
- the flat portion 154 has two bearing protrusions 154A protruding on the upper surface side, and between the bearing protrusions 154A. And a bearing hole 154B.
- a bearing projection 154A is fitted into two ends of the shaft fixing hole 153A, a screw is inserted through the remaining center shaft fixing hole 153A, and the shaft supporting member 153 is screwed into the bearing hole 154B. It is securely fixed to the flat part 154. At this time, the shaft support member 153 is attached so that one piece provided with the second guide hole part 152 is provided in parallel with the inner wall of the side face part 15 via another piece having the shaft fixing hole 153A. Have been.
- the first shaft 21 and the first guide groove 151 make the swing trajectory substantially at the center of the disk table 23 perpendicular to the capture surface of the disk 91 of the recording medium.
- a first guide mechanism 151A for guiding the recording medium through the center of the recording medium is formed, and the second shaft 22 and the second guide hole 152 intersect the base member 20 with the swing locus of the disk table 23.
- the second guide mechanism 152A that escapes to the outside is configured.
- the approximate center of the disc table 23 refers to a range including the tapered portion 231 and a part of the mounting portion 232, that is, the circular hole 93 of the disc 91 and the disc 93 when the disc 91 is captured. Refers to the range in which the tapered portion 231 of the table 23 smoothly engages.
- FIG. 5 is a side cross-sectional view when the base member 20 has reached a position (standby position) where the capture surface force of the recording medium has been moved farthest away
- FIG. 6 shows the recording medium positioned on the capture surface
- FIG. 3 shows a side cross-sectional view when the device is placed (capture position).
- the first shaft 21 is located at the lowermost side of the first guide groove 151, and at this time, the second shaft 22 is located on the rear side of the second guide hole 152. Are running away.
- the first shaft 21 moves to the upper surface side of the first guide groove 151, and the second shaft 22 escapes to the front side of the second guide hole 152.
- the first guide mechanism 151A and the second By restricting the movement of the base member 20 by the guide mechanism 152A, the disk table 23 can be swung so that the approximate center thereof is perpendicular to the capture surface.
- the disk table 23 swings so that the approximate center thereof is perpendicular to the capture surface.
- the present invention is not limited to this. It should be rocked almost vertically as long as part 231 fits in!
- FIG. 7 is a perspective view of the tray 30, and FIG. 8 is a front view of the front side of the tray 30.
- the tray 30 is a member formed of a synthetic resin such as ABS resin, and has a mounting surface 31 formed in a flat rectangular shape, and a rising portion 32 rising from the front side of the periphery of the mounting surface 31. have.
- a linear groove (not shown) is formed integrally on the lower side surface of the tray 30 along the direction in which the tray 30 moves forward and backward, and the sliding piece 150 of the side surface portion 15 is engaged with this groove. .
- the tray 30 can smoothly advance and retreat in the front and back directions by these grooves and the sliding pieces 150.
- the mounting surface 31 can mount either a cartridge type recording medium or a bare disk type recording medium, and has a circular concave portion for mounting the bare disk type.
- a slider 33 as a positioning member for a recording medium formed of a synthetic resin or the like is attached to the back side of the tray 30.
- the slider 33 is urged toward the front by an elastic member (not shown) such as a spring.
- an elastic member such as a spring.
- An arc portion 33 A is formed on the front side of the slider 33, and is formed so as to serve as a positioning guide when a bare disk type recording medium is mounted on the mounting surface 31.
- the slider 33 interferes with the peripheral edge of the bare disk, and
- the slider 33 is provided with a slider positioning portion (not shown) because the rotation of the slider 33 may be hindered.
- the arc portion 33A of the slider 33 is regulated so as not to move to the front side from a position along the peripheral edge of the bare disk.
- a holding part 331 faces the mounting surface 31 at a part of the upper surface side of the arc part 33A of the slider 33. And are provided in parallel.
- the holding portion 331 is formed so as to cover a part of the peripheral edge of the bare disk when the bare disk is mounted on the mounting surface 31.
- the disc holder 35 has an elongated holder body 350, a flat holding part 351 formed integrally with the holder body 350 at the distal end, facing the mounting surface 31, and a mounting surface 31 at the base end. And a pivot pin (not shown) provided so as to be perpendicular to the upper surface, so that the holding portion 351 at the tip of the disk holder 35 can rotate between the inner surface of the rising portion 32 and the inner surface of the side edge of the tray 30.
- holder support holes 321 into which the rotating pins of the disk holder 35 are inserted with a vertical force.
- the disk holder 35 is rotatably attached to the holder support hole 321.
- a detection pin 611 at the tip of a detection switch 61 protruding from the mounting surface 31 is used to detect information on the recording medium from a cartridge information portion 95 provided on the cartridge type recording medium (see FIG. 6).
- a cartridge storage type recording medium includes a writable and unwritable recording medium, which has a cartridge information section 95 for writable and unwritable selection in a cartridge. Some cartridges become writable when the cartridge information part 95 is closed, and become unwritable when the cartridge information part 95 is exposed.
- the mounting surface 31 is provided with a detection hole 34 at a position corresponding to the cartridge information portion 95, and a detection pin 611 protrudes from the detection hole 34.
- the cartridge information portion 95 When the cartridge information portion 95 is open, the tip of the detection pin 611 enters the cartridge information portion 95, and it can be determined that writing to the recording medium is not possible.
- the detection pin 611 pushes the detection switch 61 without entering the hole, whereby it can be determined that writing is possible.
- the cartridge information portion 95 is not limited to writable and non-writable, and may indicate other information such as, for example, the storage capacity of a cartridge-type recording medium. As described above, when the cartridge has a large amount of information, it is considered that it is preferable to increase the size of the detection hole portion 34 in order to increase the number of the detection hole portions 34 of the mounting surface 31 accordingly. You.
- a substantially center of the mounting surface 31 of the tray 30 is a position through which the disc table 23 is inserted, and a working hole portion 36 is provided so as to be directed rearward from this position.
- the working hole portion 36 is provided with a disk table 23 engaged with the recording medium provided on the mounting surface 31, and a recording / reproducing mechanism 27 for reproducing and Z or recording the recording medium from the recording / reproducing mechanism 27. It becomes a passage for the laser beam irradiated to the surface.
- the disk holder 35 can be positioned at the most appropriate position depending on the type of recording medium and the manner of installing the entire device.
- the recording medium driving device 100 is installed (horizontally placed) so that the mounting surface 31 of the tray 30 is horizontal.
- the disk holder 35 is preferably located at B in FIG. That is, the distal ends of the two disk holders 35 are arranged at a horizontal support position B (shown by a solid line in FIG. 8) that can contact the peripheral edge of the bare disk. In this position B, the bare disk can be positioned by the disk holder 35 so as not to be shifted in the horizontal direction.
- the disc holder is lightly abutted against the peripheral edge of the bare disc or is arranged with a slight gap, and when the bare disc is captured by the disc table 23 and rotates at high speed, the disc holder 35 rotates It is preferable to be located in a position that does not hinder!
- the disk holder 35 When a cartridge type recording medium is used as the recording medium, the disk holder 35 is arranged so as to abut on the storage position indicated by the alternate long and short dash line A in FIG.
- An engagement protrusion 311 for positioning the cartridge is provided on the mounting surface 31 from the mounting surface 31 toward the upper surface side.
- the cartridge is provided with an engagement recess 96 (see FIG. 10) which engages with such an engagement protrusion 311 at a predetermined position. Positioning can be performed by engaging.
- the cartridge can be biased to the front side by the slider 33 as described above, and the cartridge is sandwiched between the slider 33 and the rising portion 32 to ensure the positioning. It can be done in a straightforward manner and does not shift in the plane direction.
- a sufficient space for mounting the cartridge can be secured.
- a sufficient space for the mounting surface 31 of the tray 30 can be secured as compared with the conventional technology, for example, the degree of freedom in the location, size, quantity, and the like of the detection holes 34 is increased, and the cartridge is provided by the detection pins 611.
- Various types of information on the type of recording medium can be collected.
- the disc holder 35 is stored in the rising portion 32, it is possible to prevent interference with the detection switch 61 and the detection hole 34 protruding from the mounting surface 31.
- the recording medium driving device 100 is installed (vertical installation) such that the mounting surface 31 of the tray 30 is in the vertical direction.
- the disk holder 35 is placed at a vertically supported position indicated by a two-dot chain line C in FIG. That is, the disc holder 35 is rotated to a position where the disc holder 35 comes into contact with the engaging projections 311, and the disc holder 35 is arranged such that the front end of the disc holder 35 comes into contact with a part of the peripheral edge of the bare disc.
- a pressing portion 351 is provided at the end of the disk holder 35 in parallel with the mounting surface 31, and the peripheral portion of the bare disk abuts between the pressing portion 351 and the mounting surface 31.
- a pressing portion 331 provided on the front surface of the slider 33 is arranged so as to cover a part of the peripheral edge of the bare disk.
- the holding portions 351 and 331 prevent the bare disk from coming off the mounting surface 31.
- the holding portions 351, 331 and the mounting surface 31 are spaced apart from each other at a fixed distance so that when the disk table 23 captures the bare disk, the bare disk does not interfere with the holding portions 351, 331. .
- the disk holder 35 used at this time can sufficiently support the bare disk with only one disk holder 35 located below the vertical side, but the other disk holder 35 is also supported in the vertical position C. Alternatively, only the other disk holder 35 may be placed in the horizontal support position B.
- the clamp mechanism 40 is attached to the upper opening 13 of the frame 10 as described above, and the clamp mechanism 40 holds the recording medium engaged by the disk table 23 on the disk. It has a mechanism to keep it from coming off the table 23!
- a clamper 41 is provided at a position of the clamp mechanism 40 facing the disk table 23, and the clamper 41 is supported by a clamper holder 42.
- the clamper 41 is formed of a synthetic resin, and a disc-shaped metal member (not shown) is fitted on the upper surface of the center portion.
- the clamper holder 42 is provided with a leaf spring 43, which acts so as to urge the clamper holder 42 toward the upper surface when it is lowered to the lower surface.
- the circular hole 93 of the disk 91 is engaged with the tapered portion 231 of the disk table 23, and the disk 91 is placed on the sheet member 232A of the part 232 and is captured. Since the magnet is fitted into the tapered portion 231 of the disk table 23, the disk 91 can be sandwiched by the clamper 41, whereby the disk is fixed so as not to come off from the disk table 23. At this time, the clamper 41 comes into contact with the disk table 23 side by the magnet 231A of the disk table 23, and accordingly, the clamper holder 42 also moves to the lower surface side. Then, the disk table 23 rotates at a high speed during reproduction and Z or recording of the disk 91, and reproduction and Z or recording of information on the recording surface are performed by the recording / reproducing mechanism 27 as described above.
- the disk table 23 moves to the lower surface side, the magnet 231A and the clamper 41 are separated, and the clamper 41 is pushed upward together with the clamper holder 42 by the leaf spring 43.
- the disk table 23 moves below the mounting surface 31, the disk is mounted on the upper surface of the mounting surface 31, and the recording medium can be taken out by ejecting the tray 30 from the frame 10. .
- an interlocking mechanism 500 is provided on the front side of the frame 10.
- the interlocking mechanism 500 includes a drive cam 50 engaged with the base member 20 and a drive cam 50.
- a first rack 52 integrally formed with the first rack 52, a gear mechanism 53 having the first gear 531 to a fourth gear 534 coupled to the first rack 52, and a gear mechanism 53 coupled to the gear mechanism 53 and controlled by the electric circuit.
- a motor unit 54 to be driven and a second rack (not shown) provided on the lower surface side of the tray 30 and coupled to the gear mechanism 53 are provided.
- the drive cam 50 is formed of a synthetic resin or the like, and is disposed so as to be able to reciprocate in a lateral direction orthogonal to the direction in which the tray 30 advances and retreats.
- a force groove 51 extending in the lateral direction is formed on the rear side of the drive cam 50, and the cam engaging pin 24 of the base member 20 is engaged with the cam groove 51.
- the cam groove 51 is formed in an inclined shape such that one end is disposed on the upper surface side and the other end is disposed on the lower surface side.
- the first rack 52 formed on one side of the drive cam 50 is engaged with the third gear 533 of the gear mechanism 53.
- a second gear 532 having a diameter larger than that of the third gear 533 is formed, and this second gear 532 is combined with the first gear 531 and the fourth gear 534. T! /
- the first gear 531 is combined with the motor gear 542 of the motor unit 54.
- the motor gear 542 is connected to the wheel 541 by a ring-shaped belt 543 made of synthetic resin.
- a motor body (not shown) is provided on the lower surface side of the wheel 541 via the frame 10, and the motor body force is directly applied with a driving force.
- the motor body is electrically connected to the electric circuit, and the rotation of the motor body is controlled by the electric circuit.
- the fourth gear 534 meshes with a second rack (not shown) provided on the lower surface side of the tray 30.
- the electronic circuit drives the motor body.
- the motor body rotates, the rotation is transmitted to the first gear 531 of the gear mechanism 53 via the wheel 541 and the motor gear 542.
- rotational power is transmitted from the first gear 531 to the second gear 532, and the fourth gear 534 that is combined with the third gear 533 and the second gear 532 integrally provided with the second gear rotates.
- the third gear 533, the third gear 533 and the first rack 5 The drive cam 50 engaged in step 2 moves in the side direction, and the base member 20 engaged with the drive cam 50 moves to the upper surface side or the lower surface side.
- the rotation of the fourth gear 534 causes the tray 30 coupled with the fourth gear 534 in the second rack to move to the rear side or the front side.
- the base member 20 and the tray 30 are connected by the drive cam 50 and the gear mechanism 53.
- the tray 30 is ejected, the tray 30 is ejected after the disc table 23 first moves to the standby position.
- FIG. 9 is a diagram showing the position of the disk table 23 when the base member 20 has swung.
- FIG. 9 shows an example in which a cartridge type recording medium 90 is placed on the placing surface 31.
- the disc 91 can move freely in the cartridge 92, and therefore is formed at the center of the disc 91!
- the circular hole 93 may slightly deviate the center force of the cartridge 92.
- the position at which the disc table 23 captures the disc 91 is defined as a capture position D
- the disc at this position is defined as 91D.
- this position is defined as a capture position U
- the disk at this time is defined as 91U.
- the swing trajectory of the base member 20 at the substantially center position of the disc table 23 is regulated by the first guide mechanism 151A and the second guide mechanism 152A so as to move on the dashed line L. I have. That is, the disk table 23 performs a linear motion so as not to come off from the circular hole of the recording medium in the cartridge 92, and as a result, the recording medium can be more reliably captured even when the capture position of the recording medium changes. It becomes. For example, as described above, when the capture position is not determined by the weight of the disk 91 itself, such as when the recording medium driving device 100 is placed vertically, the disk 91 is inserted into the cartridge Or the position indicated by 91D or a position between these positions.
- the capture position of the disc 91 is changed to the capture position.
- This can be a position such as gear position D or capture position U (see Figure 9).
- the circular hole 93D of the disk 91D and the circular hole 93U of the disk 91U are both biased toward the front side or the rear side. If an arc is drawn without moving on the dotted line L, even if the disc table can be positioned in the circular hole of the disc at the capture position D, the deviation from the center of the disc table at the capture position U Is added, which increases the possibility of capturing errors.
- the locus of the center of the disk table 23 of the present embodiment moves linearly so that the circular hole of the recording medium in the cartridge 92 does not shift, so that the capture position of the disk 91 changes.
- the displacement between the disk table 23 and the circular hole of the recording medium does not become so large as to cause a capture error, so that the disk table 23 can more reliably capture the disk 91D.
- the center deviation at the capture position can be absorbed in any of the vertical placement and the horizontal placement, and the capture error can be reduced.
- Both a cartridge type recording medium and a bare disk type recording medium can be placed, and the tray 30 holds the recording medium and the recording medium when the cartridge type recording medium is placed.
- a mounting surface 31 provided with a detection portion for detecting the information of the above, and a rising portion 32 formed by rising from the front end of the mounting surface 31, and the rising portion 32 has a bare disk type. Since the disk holder 35 for positioning the recording medium is rotatably provided between the storage position A and the vertical support position C, the disk holder 35 is moved to the storage position A, so that the mounting surface is It can be retracted so that it does not overlap with the 31 detection holes.
- the area in which the detection portion such as the detection hole portion 34 is formed on the mounting surface 31 is enlarged, so that the detection hole for detecting the information of the cartridge when the cartridge type recording medium is mounted is mounted.
- a sufficient detection site such as the part 34 can be formed.
- the tray 30 is provided with a detection hole 34 as a detection portion, and the detection pin 611 is inserted from the lower surface of the detection hole 34 to the upper surface thereof.
- the detection pin 611 is inserted from the lower surface of the detection hole 34 to the upper surface thereof.
- the disk holders 35 are provided at both ends of the rising portion 32, when a bare disk type recording medium is placed, the disk holder 35 is placed horizontally and in the support position B and vertically. It can be moved to the support position C and positioned so as to sandwich the disk. Thus, the disk can be reliably positioned when placed horizontally, and the mounting surface 31 of the tray 30 does not shift.
- the peripheral portion of the bare disk and the tip of the disk holder 35 can be placed in a horizontal position.
- the peripheral edge of the bare disk contacts the tip of the disk holder 35 and the mounting surface 31
- the disc holder 35 is disposed at the vertical support position C for supporting the peripheral portion of the bare disk between the holding portion 351 provided at the tip of the bare disk and facing the mounting surface 31!
- the disk holder 35 is rotatable between the horizontal support position B and the vertical support position C. Therefore, it is possible to switch the disk holder 35 between the vertical position and the horizontal position only by rotating the disk holder 35, and to reliably position the bare disk, so that the structure and the operability are extremely simplified. .
- the base member 20 is swingably attached to the frame 10, and the disk tape 23 moves on a line perpendicular to the capture surface of the recording medium and passing through the center of the recording medium. Since the guide mechanism is provided as described above, the disk table 23 can reliably capture the recording medium even if the disk 91 is largely displaced in the cartridge type recording medium in which the center is not deviated. Because of this, The capture error can be completely avoided, and the recording and Z or reproduction accuracy of the recording medium driving device 100 becomes very good.
- the first guide mechanism 151A guides the trajectory substantially at the center of the disk table 23 so as to be perpendicular to the capture surface, and the second guide mechanism 152A guides the rear end of the base member 20 to the rear side. Part is released in the front and back direction orthogonal to the swing trajectory substantially at the center of the disk table 23, so the guide mechanism can be divided into two mechanisms to share the movement of each, facilitating the need for complicated structures. In addition, the center of the disk table 23 can be reliably prevented from being shifted.
- the first guide mechanism 151A is formed by engaging the first shaft 21 protruding in the lateral direction from the base member 20 with the first guide groove 151 provided in the side surface portion 15 of the frame 10. Therefore, by simply moving the first shaft 21 along the first guide groove 151, the swing trajectory substantially at the center of the disk table 23 can be easily made orthogonal to the capture surface. Also, since the first guide mechanism does not require a complicated structure, the assemblability is improved, and the production cost is also low.
- the second guide mechanism 152A has a second guide hole formed on the rear side of the side surface 15 of the frame 10 with the second shaft 22 protruding in the side direction at the rear end of the base member 20.
- the base member 20 can be easily moved in the front-back direction by moving the second shaft 22 along the second guide hole 152 because it is formed by engaging with the 152. Accordingly, when the base member 20 moves to the standby position along the first guide mechanism 151A, the second shaft 22 moves to the back side of the disk table 23, and moves along the first guide mechanism 151A.
- the second shaft 22 can move in the front direction, so that the base member 20 can be smoothly swung, and a complicated structure can be obtained. Since it is unnecessary, it does not require assembling and production costs.
- An engagement protrusion 311 is provided to project from the placement surface 31 of the tray 30 to the upper surface side. Therefore, when a cartridge type recording medium is placed, the engagement protrusion 311 is attached to the cartridge.
- the cartridge type recording medium can be positioned by engaging with the concave portion provided in the cartridge, and when the bare disk type recording medium is placed in the vertical position, it comes into contact with the engagement protrusion 311.
- the disk holder 35 by rotating the disk holder 35 close to the disk holder 35, the disk holder 35 can be disposed at the vertically placed support position C, and the bare disk can be reliably positioned.
- engagement protrusion may be provided on the base member 20.
- FIG. 11 is an overall perspective view of a state where the recording medium driving device of the present embodiment is placed horizontally.
- FIG. 12 is an overall perspective view showing a state where the device is placed vertically.
- FIG. 13 is a front view in which a part of the tray 30 in FIGS. 11 and 12 is enlarged.
- the recording medium driving device 100 shown in FIGS. 11 and 12 is illustrated with the clamp mechanism 40 removed and simplified. Note that the recording medium driving device 100 of the second embodiment has substantially the same configuration as the recording medium driving device 100 of the above-described first embodiment. Only the points different from 0 will be described.
- the recording medium driving device 100 of the present embodiment is different from the recording medium driving device 100 of the first embodiment in the configuration of the tray 30.
- a circular concave portion 312 for mounting the bare disk type disk 91 is provided at a predetermined depth.
- the wall portion 312 that forms the circular concave portion 312 The height of “a” is an appropriate dimension, and for example, it is required to be a depth that enables the positioning of the recording medium of the bare disk type, which is as good as the thickness of the disk, for example.
- the diameter of the circular concave portion 312 is provided slightly larger than the diameter of the bare disk type recording medium. Accordingly, when a bare disk type recording medium is placed, an appropriate space is formed between the wall 312a of the circular concave portion 312 and the recording medium. Therefore, when a bare disk type recording medium is installed on the mounting surface 31, the installation becomes easier.
- the recording medium driving device 100 of the present embodiment is installed (horizontally placed) so that the mounting surface 31 of the tray 30 is horizontal
- the bare disk type recording medium is placed so as to be stored in the circular concave portion 312 of the tray 30.
- the cartridge type recording medium is placed by engaging the engaging concave portion 96 of the cartridge with the engaging projection 311 of the tray 30, and furthermore, the slider 33 urges the force cartridge to the front side, thereby standing up with the slider 33.
- the cartridge is sandwiched between the upper part 32 and securely fixed.
- the recording medium driving device 100 of the present embodiment is installed (vertically placed) so that the mounting surface 31 of the tray 30 is in the vertical direction.
- the lower disk holder 35 of the disk holder 35 is rotated to a position where it comes into contact with the engagement projection 311 (vertical support position C). Place a disc.
- a part of the peripheral edge of the bare disk type recording medium is covered by the pressing part 351 at the distal end of the disk holder 35 and the pressing part 331 at the slider 33, and the distal end of the disk holder 35 is bare disk.
- the bare disk is fixed at a predetermined position to come into contact with the peripheral edge portion.
- the mounting method is the same between a horizontal installation and a vertical installation, so that the installation method for the vertical installation is omitted.
- the forward direction of the tray 30 (the direction in which the tray moves when the tray is stored in the recording medium driving device), regardless of the type of recording medium to be used.
- the left and right side portions 15 may be used as bottom surfaces.
- FIG. 12 shows a vertically placed state in which the left side portion 15 is a bottom surface, and the bare disk type is shown.
- the disc holder 35 is used by rotating the disc holder 35 on the left side in the vertical direction of the tray 30 to the vertical supporting position C.
- the right disk holder 35 may be rotated to the vertically placed support position C with respect to the forward direction of the tray 30.
- both the right and left disk holders 35 may be rotated and used. This is the same in the recording medium driving device 100 according to the first embodiment of the present invention.
- the recording medium driving device 100 has a predetermined circular recess 312 for mounting a bare disk on the mounting surface 31 of the tray 30. It is provided at a depth.
- the bare disk can be positioned without using the disk holder 35, and the tray 30 can be positioned. Even in the process of moving back and forth in the front and back directions, the recording medium does not move greatly and cannot be positioned. It is also possible to form the circular recess 312 in the tray 30 of the first embodiment.
- the second embodiment differs from the second embodiment.
- the same effect can be expected.
- the circular concave portion 312 of the tray 30 may have an appropriate size and depth such that the positioning of the bare disk type recording medium can be reliably performed.
- a circular concave portion 312 for mounting the disk 91 is provided at a predetermined depth. Therefore, when the main body of the apparatus is placed horizontally, the disk holder 35 is placed in the storage position A (storage position A) for both the bare disk type recording medium and the cartridge type recording medium. If it is, there is no need to switch depending on the type of recording medium. Therefore, convenience and operability are improved.
- the recording medium drive of the present invention is not limited to only the above two embodiments, and it is needless to say that various changes can be made without departing from the gist of the present invention.
- the detection pin 611 is provided as the detection means for detecting the information of the cartridge information portion 95, but is not limited thereto.
- an infrared sensor or the like may be used as the detecting means.
- the detection board 60 on which the detecting means is installed is fixed to the base member 20, and when the base member 20 swings and reaches the capture surface, the detection pin 611 is moved to the tray 30.
- the detection means penetrates through the detection hole 34, the detection means may be provided in the tray 30.
- the detecting means may be arranged on the lower surface side of the tray 30 and the detecting means may always protrude from the detection hole 34.
- the tray 30 may be inserted into the frame 10 and the detecting means may be provided. May be operated.
- the disc holder 35 is a force provided on the rising portion 32 at the front side end of the tray 30.
- the present invention is not limited to this.
- V may be provided on the two rising portions 32 on one side, or may be provided on both sides, or may be provided on the back side.
- the number of disk holders 35 in this embodiment is set to two 1S, but is not limited to this.
- the disk holder 35 may be limited to a part of both ends of the rising portion 32. In this case, the disk holder 35 should be provided so as to be located at the lower end of the rising part 32 when the apparatus main body is placed vertically! By providing one disk holder 35, the structure of the tray 30 can be simplified.
- the first guide mechanism 151A is provided in the side surface direction of the disk table 23.
- the force is not limited to this.
- it may be further on the back side or on the front side than the position shown in the present embodiment.
- the swing trajectory of the disk table 23 by the first guide mechanism 151A may be a straight line perpendicular to the capture surface and passing through the center of the recording medium.
- the second guide hole 152 is a force provided by fixing the shaft support member 153 to the plane portion 154 of the side surface 15.
- the present invention is not limited to this.
- the shaft support member 153 may be formed in a single body.
- the flat portion 154 of the side surface portion 15 does not require the bearing protrusion 154A and the bearing hole 154B, and the screw for attaching the shaft support member 153 is not required, but the second shaft 22 of the base member 20 is connected to the second guide 22.
- the work of engaging with the hole 152 becomes difficult. Therefore, after the second shaft 22 can be housed inside and the second shaft 22 is engaged with the second guide hole 152, the second shaft 22 is fixed to the base member 20 or the like. Ingenuity is required.
- the first guide mechanism 151A and the second guide mechanism 152A cause the base member 20 to escape to the front side when in the standby position, and to escape to the rear side when in the capture position!
- the power is not limited to this.
- the base member 20 escapes to the rear side when located at the standby position, and escapes to the front side when located at the capture position.
- the substantially center of the disc table 23 is perpendicular to the capture surface and the recording is performed. It may be a straight line passing through the center of the medium. However, in this case, since the mounting portion 232 of the disk table 23 is inclined at the capture position, there is a possibility that a capture error may occur when the recording medium is mounted horizontally.
- the mounting surface 31 is inclined and the inclination angle of the mounting surface 31 of the tray 30 and the inclination angle of the mounting portion 232 of the disk tape 23 are made substantially the same on the capture surface, The disk table 23 and the recording medium are not inclined and contact with each other, and capture mistakes can be prevented.
- the first guide groove 151 is provided on each of the both side surface portions 15.
- the force is not limited to this.
- it may be provided only on one side surface 15.
- a draft member for separately making the base member 20 horizontal with respect to the capture surface is required. Therefore, in the present embodiment, it is preferable to provide the first guide groove 151 on each of the both side surfaces 15.
- the recording medium driving device 100 is capable of using both the cartridge type recording medium and the bare disk type recording medium.
- the present invention is not limited to this.
- a recording medium drive that can use only a cartridge type recording medium may be used.
- it may be a recording medium drive device in which only a bare disk type recording medium can be used.
- the recording medium drive device of the present embodiment has a tray 30 on which both a cartridge type recording medium and a bare disk type recording medium for accommodating a disk main body in a cartridge can be placed.
- a recording medium driving apparatus 100 for reproducing or recording a medium wherein a tray 30 includes a mounting surface 31 on which the recording medium is mounted, and a rising portion 32 formed by standing on the mounting surface 31. In the rising portion 32, at least the position for positioning the above-described bare disk type recording medium and the position for retracting the cartridge type recording medium force when the cartridge type recording medium is mounted. And a disk holder 35 rotatable between them.
- the area where the detection site such as the detection hole 34 is formed on the mounting surface 31 is increased, and the mounting surface 31 can be effectively used.
- the present invention can be used as a recording medium driving device that places a recording medium on a tray and stores it inside.
Landscapes
- Feeding And Guiding Record Carriers (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005513878A JP3988950B2 (ja) | 2003-09-09 | 2004-09-08 | 記録媒体駆動装置 |
US10/570,953 US7467394B2 (en) | 2003-09-09 | 2004-09-08 | Recording medium drive |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003316697 | 2003-09-09 | ||
JP2003-316697 | 2003-09-09 | ||
JP2004-191209 | 2004-06-29 | ||
JP2004191209 | 2004-06-29 |
Publications (1)
Publication Number | Publication Date |
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WO2005027113A1 true WO2005027113A1 (ja) | 2005-03-24 |
Family
ID=34315634
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/013059 WO2005027113A1 (ja) | 2003-09-09 | 2004-09-08 | 記録媒体駆動装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7467394B2 (ja) |
JP (1) | JP3988950B2 (ja) |
WO (1) | WO2005027113A1 (ja) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0991821A (ja) * | 1995-09-20 | 1997-04-04 | Matsushita Electric Ind Co Ltd | 記録再生装置 |
JPH09167420A (ja) * | 1995-12-15 | 1997-06-24 | Fujitsu Ltd | 光ディスク装置、媒体キャリアおよび媒体ターンテーブル |
JPH1064150A (ja) * | 1996-08-21 | 1998-03-06 | Hitachi Ltd | ローディング機構 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3012172B2 (ja) * | 1995-06-22 | 2000-02-21 | 松下電器産業株式会社 | 記録再生装置 |
JP3547281B2 (ja) * | 1996-03-25 | 2004-07-28 | 株式会社日立製作所 | ローディング機構及びそれを用いたディスク装置 |
JP3450976B2 (ja) * | 1996-12-27 | 2003-09-29 | エヌイーシ−カスタムテクニカ株式会社 | ディスク装置 |
JP3720962B2 (ja) * | 1997-10-13 | 2005-11-30 | 株式会社東芝 | 情報処理装置 |
US6538971B2 (en) * | 1997-12-23 | 2003-03-25 | Samsung Electronics Co., Ltd. | Optical information recording/reproducing apparatus and method for using both disc cartridges holding 8cm and 12cm disc |
JP2000156016A (ja) * | 1998-11-19 | 2000-06-06 | Nidec Copal Corp | 記憶装置における記憶媒体ローディング機構及び該記憶媒体ローディング機構を備える記憶装置並びに記憶媒体ローディング方法 |
JP2003157605A (ja) * | 2001-11-20 | 2003-05-30 | Matsushita Electric Ind Co Ltd | ディスク装置 |
-
2004
- 2004-09-08 US US10/570,953 patent/US7467394B2/en not_active Expired - Fee Related
- 2004-09-08 JP JP2005513878A patent/JP3988950B2/ja not_active Expired - Fee Related
- 2004-09-08 WO PCT/JP2004/013059 patent/WO2005027113A1/ja active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0991821A (ja) * | 1995-09-20 | 1997-04-04 | Matsushita Electric Ind Co Ltd | 記録再生装置 |
JPH09167420A (ja) * | 1995-12-15 | 1997-06-24 | Fujitsu Ltd | 光ディスク装置、媒体キャリアおよび媒体ターンテーブル |
JPH1064150A (ja) * | 1996-08-21 | 1998-03-06 | Hitachi Ltd | ローディング機構 |
Also Published As
Publication number | Publication date |
---|---|
JP3988950B2 (ja) | 2007-10-10 |
US20060288357A1 (en) | 2006-12-21 |
US7467394B2 (en) | 2008-12-16 |
JPWO2005027113A1 (ja) | 2008-06-12 |
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