WO2004049324A1 - ディスクプレーヤ - Google Patents
ディスクプレーヤ Download PDFInfo
- Publication number
- WO2004049324A1 WO2004049324A1 PCT/JP2003/010037 JP0310037W WO2004049324A1 WO 2004049324 A1 WO2004049324 A1 WO 2004049324A1 JP 0310037 W JP0310037 W JP 0310037W WO 2004049324 A1 WO2004049324 A1 WO 2004049324A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- disc
- disk
- diameter
- contact
- disc player
- 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
-
- 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
- G11B17/0401—Details
- G11B17/0402—Servo control
- G11B17/0404—Servo control with parallel drive rollers
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
- G11B17/05—Feeding or guiding single record carrier to or from transducer unit specially adapted for discs not contained within cartridges
- G11B17/051—Direct insertion, i.e. without external loading means
- G11B17/0515—Direct insertion, i.e. without external loading means adapted for discs of different sizes
Definitions
- the present invention relates to a disc player for reproducing a disc (recording medium) such as a CD and a DVD.
- a mechanism for preventing foreign objects such as a telephone card from being put into the player body is required. Also, in such a disc player, when ejecting, the clamper that clamps the disc is raised, but the tip side (the highest position) of the clamper should be placed on the chassis upper plate to determine the position. If this force is strong, the clamper may bend.
- the optical pickup be surely positioned in the information recording area on the innermost peripheral side of the disc, and then transition to the disc eject state.
- the optical pickup can be moved with high parallelism to the disk surface.
- the optical pickup is movable at the time of disc reproduction, but is fixed in other cases.
- the driving force of the motor is directed to the movement of the optical pickup and the clamp of the disk.However, the timing of switching the driving force from the clamp of the disk to the movement of the optical pickup and the release of the fixed optical pickup are fixed. The timing is required to be simultaneous and a simple mechanism is desired.
- the elasticity of the disc player is set so as to prevent the impact or the like from being transmitted to the reproducing section. It is necessary to keep the disc in a supported state, and when the disc is being conveyed into the device, it is necessary to prevent the disc from hitting the conveyance rollers due to an impact or the like. For this purpose, a simple mechanism with a small number of parts is desired. Disclosure of the invention
- a disc player has a contact guide portion that comes into contact with a disc inserted from a disc loading port, and is transported at a position deeper than the contact guide portion.
- a stopper for stopping the disc at a predetermined position a transport roller provided between the contact guide and the stopper to transport the disc, and a transport for transmitting a driving force of a motor to the transport roller.
- a clamper for clamping the conveyed disc a clamp mechanism for lifting or lowering the clamper; an optical pick-up base linearly guided in a radial direction of the disc clamped by the clamper;
- a pickup moving mechanism for moving a pickup base in a radial direction of the disc Located the peripheral surface of the conveying roller in advance whereabouts Increasing Disk proceeding in contact therewith and the contact guide portion and Hamakuchi, the scan and the flange portion is the di It is characterized by being present at a position other than the direction of travel of the disc, at a position corresponding to a direction of a tangent passing through the contact guide portion among tangents of the peripheral surface (hereinafter referred to as a first configuration in this section).
- the disc advances while contacting the disc loading port and the contact guide portion, contacts the peripheral surface of the disc transport roller during insertion, and is transported by the roller. During this transfer, the rollers are pushed by the disk and move somewhat. Further, since the stopper does not exist in the traveling direction of the disc, the transport of the disc is not hindered. On the other hand, if you try to insert a telephony card from the disc loading slot due to mischief, the insertion of this card will be blocked. The card is relatively thin and is softer and easier to bow than a disc. Therefore, the transport roller cannot be moved with the inserted card. Since the transport roller does not move, the card advances toward the stop, and the card hits the stop and is stopped from being transported.
- the disk loading port has a disk transfer receiving portion on both side sides thereof
- the second disk is configured such that the disk does not come into contact with the disk transport receiving portion at an earlier stage of insertion than the first disk, and the transport disk for the second disk is located at a position where it comes into contact with only the second disk. It is said that a ridge is provided. According to this, the traveling direction of the second disk changes when the contact with the disk transport receiving portion is lost, and it is possible to make a difference between the traveling directions of the first disk and the second disk. Become.
- the first contact portion is configured so as to correspond to both the large-diameter first disk and the small-diameter second disk, and the leading end of the large-diameter first disk conveyed by the conveyance roller contacts the first contact portion and
- the transport roller A moving member having a second contact portion against which the tip of the conveyed small-diameter first disc abuts, and the driving force of the motor is reduced by the movement of the moving member caused by the contact of the disc with the contact portion.
- the transfer mechanism may be turned to the clamp mechanism.
- reproduction is performed by providing, in the same housing, the clamper, the clamp mechanism, the transport mechanism, the optical pickup base, and a roller supporting mechanism that movably supports the transport roller together with the pickup moving mechanism.
- a lock mechanism configured to support both the large-diameter first disk and the small-diameter second disk, and a lock mechanism for fixing or elastically supporting the reproduction unit; and a lock mechanism and the roller support mechanism.
- a first slider portion to which the leading edge of the large-diameter first disk transported by the transport roller contacts, and a second slider to which the distal end of the small-diameter first disk transported by the transport roller contacts.
- a moving member having a contact portion wherein the slider is moved by the movement of the moving member due to the contact of the disc with the contact portion.
- the transport roller is retracted from the disk by moving the roller supporting mechanism with the movement of the slider, and the reproducing mechanism is changed from the fixed state to the elastic supporting state by moving the lock mechanism. It should be configured.
- a switching mechanism for distributing a driving force of the motor to one of the clamp mechanism and the pickup moving mechanism, and the switching mechanism is configured to apply the driving force of the motor to the clamping mechanism when the driving force is applied to the clamping mechanism. It is preferable that the movement of the pickup moving mechanism is restricted, and the movement of the pickup moving mechanism is allowed when the driving force of the motor is applied to the pickup moving mechanism.
- the clamper is provided by the clamp mechanism so as to float or descend around a rear end portion as a fulcrum, and the rear end portion is engaged. It is preferable that the rear end portion is allowed to move up and down by the engagement hole. According to this, the rear end can move upward (escape) in the engagement hole for further pushing up after the clamper floats and hits the chassis upper plate.
- it is possible to prevent bending of the optical pickup further comprising a coupling mechanism that couples the pickup base and the pickup moving mechanism, wherein the coupling mechanism is configured to maintain the optical pickup base even after the optical pickup base is guided to a guide end on a disk center side. It is preferable that the pick-up moving mechanism is allowed to move, and the driving force of the motor is directed from the pick-up moving mechanism to the clamp mechanism by this movement.
- an adjusting mechanism for adjusting the attitude of the optical pickup base is provided, and the coupling mechanism is configured to allow a change in the attitude of the optical pickup base without changing the attitude of the pickup moving mechanism. Good to be.
- the pickup moving mechanism is fixed when the driving force of the motor is directed from the pickup moving mechanism to the clamp mechanism.
- the disc player of the present invention includes a contact guide portion for contacting a disc inserted from a disc loading port, and a stopper for stopping the conveyed disc positioned at a position deeper than the contact guide portion at a predetermined position.
- a driving roller provided between the contact guide section and the driving section for conveying a disk; a roller supporting mechanism for movably supporting the conveyance roller; and a driving force of a motor.
- a transport mechanism for transmitting the transport roller, a clamper for clamping the transported disc, a clamp mechanism for lifting or lowering the clamper, and a linear guide in a radial direction of the disc clamped by the clamper.
- An optical pickup base A pickup moving mechanism for moving a pickup base in a radial direction of the disc; and a connecting mechanism for connecting the pickup base and the pickup moving mechanism.
- the connecting mechanism is such that the optical pickup base is located at the center of the disc. It is configured to allow the movement of the pickup moving mechanism even after being guided to the guide end, and by this movement, the driving force of the motor is redirected from the pickup moving mechanism to the clamp mechanism. (Hereinafter referred to as the second configuration in this section).
- the disk loading port is configured to correspond to both a large-diameter first disk and a small-diameter second disk, and the disk loading port has a disk transport receiving portion on both side sides thereof,
- the disc is configured so that it does not come into contact with the disc transfer receiving portion at an earlier stage of insertion than the first disc, and a transfer stopper for the second disc is provided at a position where the disc comes into contact with only the second disc. It is good to be provided.
- the first contact portion is configured so as to correspond to both the large-diameter first disk and the small-diameter second disk, and the leading end of the large-diameter first disk transported by the transport roller contacts the A moving member having a second contact portion to which the tip of the small-diameter first disk conveyed by the conveying roller abuts, wherein the motor moves by moving the moving member when the disk comes into contact with the contact portion; It is preferable that the driving force is directed from the transport mechanism to the clamp mechanism.
- the clamper In the second configuration, the clamper, the clamp mechanism, the transport mechanism, the optical pickup base, the pickup moving mechanism, and the And a lock for supporting the playback unit in a fixed or elastic manner, wherein the playback unit is provided in the same housing as the playback unit, and is adapted to support both the large-diameter first disk and the small-diameter second disk.
- a slider which engages with the lock mechanism and the porter support mechanism, and a first contact portion, which is contacted by the leading end of a large-diameter first disk transported by the transport roller, and transported by the transport roller.
- the roller support mechanism moves with the movement of the slider, the transport roller retreats from the disk, and the lock mechanism moves to re-engage the disc. It is preferable is configured to elastically support state from part a fixed state.
- a switching mechanism for distributing the driving force of the motor to one of the clamp mechanism and the pick-up moving mechanism, and the switching mechanism provides the driving force of the motor to the clamp mechanism. It is preferable that the pickup moving mechanism is configured to restrict the movement of the pickup moving mechanism, and to allow the movement of the pickup moving mechanism when the driving force of the motor is applied to the pickup moving mechanism.
- the clamper In the second configuration, the clamper is provided so that the clamp mechanism floats or descends around a rear end portion as a fulcrum, and the rear end portion is allowed to move up and down at an engagement hole with which the rear end portion is engaged. It is good to be configured so that.
- an adjusting mechanism for adjusting the attitude of the optical pickup base is provided, and the connecting mechanism is configured to allow a change in the attitude of the optical pickup base without changing the attitude of the pickup moving mechanism. Good to be.
- the pickup moving mechanism is fixed when the driving force of the motor is transferred from the pickup moving mechanism to the clamp mechanism.
- FIG. 1 is a diagram showing a disk player (a drive mechanism is omitted) according to an embodiment of the present invention.
- FIG. 1 (a) is a plan view
- FIG. 1 (b) is a front view.
- Fig. 2 (a) is a side view showing the play state
- Fig. 2 (b) is a side view showing the transition state (state immediately before the ejection).
- FIG. 3 is a diagram showing a disk player (showing a drive mechanism) according to an embodiment of the present invention.
- FIG. 3 (a) is a plan view
- FIG. 3 (b) is a left side view
- FIG. c) is a right side view
- (G) is an explanatory view of the right side.
- FIG. 4 is a plan view of the disc player according to the embodiment of the present invention.
- FIG. 5 is a plan view of the disc player according to the embodiment of the present invention.
- FIG. 6 is a plan view of the disc player according to the embodiment of the present invention.
- FIG. 7 is a plan view of the disc player according to the embodiment of the present invention.
- FIG. 8 is a plan view of the disc player according to the embodiment of the present invention.
- FIG. 9 is an explanatory diagram showing a state when a disc is inserted
- FIG. 9 (b) is an explanatory diagram showing a blocking state when a telephone card is inserted.
- 10 (a) is an explanatory diagram corresponding to FIG. 4
- FIG. 10 (b) is an explanatory diagram corresponding to FIG. FIG.
- FIG. 11 is a schematic perspective view showing a clamper and the like.
- FIGS. 12A and 12B are explanatory diagrams showing the rotation operation of the clamper, wherein FIG. 12A is a diagram showing an embodiment of the present invention, and FIG. 12B is a reference diagram for comparison.
- Fig. 13 (a) is a simplified perspective view of the connecting part of the optical pick-up base. As shown in Fig. 13 (b), the state of engagement between the universal joint and the convex rail of the rack mechanism is shown.
- Fig. 1 shows the disc player (chassis part) without various drive mechanisms.
- Fig. 1 (a) is a plan view
- Fig. 1 (b) is a front view
- Fig. 1 (c) is a right side view. is there.
- the disc player main body 1 (in FIG. 1, the main body chassis 11 is shown) is provided in a chassis base 101.
- the main body chassis 11 is provided with a coil panel damper 100 provided on the lower surface thereof. (Disposed in three places), it is elastically supported in the chassis base 101.
- a disc loading port 20 is formed on the front side of the chassis base 101.
- the disc loading slot 20 is provided with a right disc guide 2R and a left disc guide 2L made of resin, and the disc loading slot 20 is substantially T-shaped.
- the distance between the top edge of the right disc guide 2R and the left edge of the top face of the left disc guide 2L corresponds to a 12 cm disc.
- the distance between the inner wall surface of the right disk guide 2R and the inner wall surface of the left disk guide 2L is slightly smaller than the diameter of the 8 cm disk.
- this disc player there are a disc rotatable state (play state), a state for ejecting and inserting a disc (eject state), and a transition state between the eject state and the play state.
- a disc rotatable state play state
- eject state state for ejecting and inserting a disc
- transition state between the eject state and the play state a transition state between the eject state and the play state.
- FIG. 2 (a) the clamper 13 is in a lowered state, and a disc (not shown) is in a clamped state.
- the clamper 3 swings with the fulcrum 3a 3a formed at the back side as a fulcrum, and forms a floating state and a descending state.
- the flange portion 3b of the clamper 3 has a disk shape and is rotatably provided.
- a disc receiving portion 4 is arranged at a position facing the flange portion 3b.
- the disc receiving section 4 is rotated by a motor (not shown).
- the center of the disc loaded in the disc player main body 1 is clamped by the flange portion 3b and the disc receiving portion 4, and the disc is rotated by the rotation of the disc receiving portion 4.
- a transport roller 5 for taking a disc into and out of the disc player main body 1 (see FIG. 3). In the play state, the transport roller 5 finishes transporting the disk, and is separated from the disk by a retreat operation by the roller drive mechanism 50.
- the roller drive mechanism 50 includes a mounting plate 51, a torsion spring 52R'52L, a first roller gear 53, a second roller gear 54, and a third roller. And a gear group 55. These gear groups are provided on the left side surface of the disc player main body 1.
- the third roller gear 55 is provided rotatably about a shaft fixed to the left side surface of the main body chassis 11. Driving force is transmitted to the third roller gear 55 from a transmission gear 56 (see FIG. 3).
- the gear 54 for the second roller meshes with the gear 55 for the third roller, and is engaged with the shaft of the gear 55 for the third roller by a link lever 57.
- the second roller gear 54 can be rotated and its axis moved.
- the first roller gear 53 is meshed with the second roller gear 54, and is engaged with the shaft of the second roller gear 54 by a link lever 58.
- the first roller gear 53 can be rotated and its axis moved.
- the shaft of the first roller gear 53 is provided on the mounting plate 51.
- the mounting plate 51 is provided rotatably about a support shaft of the torsion spring 52L.
- the above-described transport roller 5 is connected to the shaft of the first roller gear 53. Therefore, the position of the transport roller 5 is changed by the rotation of the mounting plate 51, and a disk transport state and a retracted state from the disk can be formed.
- Fig. 3 (d) shows the slider 6L in an enlarged manner (note that Fig. 3 (d) shows the ejected state).
- the slider 6L includes a main body located on the side surface of the main body chassis 11 and a drive assisting portion 600 located on the upper surface side of the main body chassis 11. The relationship between the main body and the drive assist unit 600 will be described in “Overview of Driving Force Transmission of Motor 12”.
- the sliders 6L and 6R are located closest to you.
- the slider 6L 6R has an inclined (stepped) first guide groove 61 formed therein.
- the shaft of the first roller gear 53 is engaged with the first guide groove 61.
- the first gear 5 for the first opening is located below (inside) the first guide groove 6 1.
- the mounting plate 51 rotates with the bias of the torsion spring 52 L ⁇ 52 R, and the transport roller 5 moves down and retreats from the disk. Become.
- the slider 6 L ⁇ 6 R is formed with an inclined (stepped) second guide groove 62.
- the guide projection 13a of the lock lever 13L 1 13R engages with the second guide groove 62.
- Lock lever 13 L ⁇ "I 3 R is provided rotatably about axis 13 b.
- the second guide groove 6 2 Guide to the lower side (rear side)
- the projection 13a is engaged, the upper end 13c of the lock lever 13L'13R is disengaged from an engagement hole (not shown) on the upper surface of the chassis base 101. Therefore, in the play state, the elastic support state of the main body chassis 11 by the coil panel damper 102 described above is formed.
- a push-up protrusion 64 is formed on the slider 6L. In the play state, the push-up protrusion 64 is separated from the engaging piece 3c of the clamper 3, and the clamper 3 is in the lowered state.
- Figure 2 (b) shows the state at the end of the transition (a state just before the complete ejection).
- the sliders 6L and 6R are located on the back side.
- the shaft of the first roller gear 53 is engaged with the front side of the first guide groove 61, and the mounting plate 51 receives the bias of the torsion spring 52L ⁇ 52R.
- the guide protrusion 13 a engages with the upper part of the second guide groove 62, and the lock lever 13 L 1
- the upper end 13c of the 3R is to be engaged with the engaging hole on the upper surface of the chassis base 101, and the elastic support of the main body chassis 11 by the coil panel damper 102 is released.
- the chassis 11 is positioned and fixed to the chassis base 101.
- the push-up protrusions 64 abut against the engagement pieces 3c of the clamper 3, and the clamper 3 floats.
- FIGS. 3 (a), (b), (c), (d) and FIG. 4 show the ejected state.
- the disc can be loaded into the player main body 1.
- the sensor 14 detects that the disc has been inserted into the disc loading port 20
- power is supplied to the motor 12 and the motor 12 rotates.
- the driving force is transmitted to the first gear 72 via the worm gear 70 provided on the shaft of the motor 12.
- the second gear 73 is meshed with the small gear portion of the first gear 72.
- the second gear 73 is provided on the rotating plate 71.
- the rotation plate 71 rotates around the axis of the first gear 72.
- the second gear 73 meshes with the large gear portion of the third gear 74. 3rd gear
- the small gear portion of 74 is meshed with the large gear portion of the fourth gear 75.
- the small gear portion of the fourth gear 75 is provided so as to mesh with a rack portion 600a formed in the drive assist portion 600.
- the large gear portion of the third gear 74 meshes with the gear 76 b of the roller gear separation mechanism 76.
- the gear 76b meshes with the gear 6c.
- the gear 76 c is provided so as to mesh with the transmission gear 56.
- the gear 76b is provided on the movable plate 76a.
- the movable plate 76a rotates about the axis of the gear 76b.
- a disk sensing lever 15 is provided on the upper surface side of the disk player body 1. ing.
- the disk sensing lever 15 rotates about the axis 15a. As you push the disc further in,
- the disc sensing lever 15 is rotated counterclockwise against the projection 15c. By this rotation, the operation projection 15d pushes the contact portion 600b of the drive assisting portion 600.
- the drive assisting section 600 is provided so as to be able to move by a predetermined distance in the slide direction relative to the slider 6L by being piled on a spring (not shown). For this reason, when the operation projection 15 d pushes the contact portion 600 b of the drive assist portion 600, only the drive assist portion 600 moves with a small force on the spring, The rack portion 600a meshes with the small gear portion of the fourth gear 75. When the drive assist unit 600 moves further by the driving force of the fourth gear 75, a part of the drive assist unit 600 hits a part of the slider 6L, and the slider 6L slides.
- Guide grooves 600 c are formed in the drive assisting section 600.
- the first protrusion 76d formed on the movable plate 76a is located at the entrance of the guide groove 600c.
- the second projections 76 e formed on the movable plate 76 a are engaged with the projections 71 a formed on the rotating plate 71 (see FIG. 10 ( a) W ⁇ k).
- the first protrusion 76 d is guided into the guide groove 600 c as shown in FIGS. 5 and 6.
- the movable plate 76a rotates counterclockwise, and the gear 76c separates from the transmission gear 56 (roller gear separation).
- the engagement between the second projection 76e and the projection 71a is released.
- the disengaged rotating plate 71 itself rotates clockwise by its own inertia due to the rotation of the gear 72, as shown in FIG.
- the gear 73 further rotates by meshing with the dummy gear (one tooth of the gear), and the gear 73 meshes with the rack drive gear 18.
- the lock lever 17 is provided rotatably about a shaft 17b.
- the lock lever 17 is biased counterclockwise by a torsion spring 17c.
- a first locking projection 17a is provided on the left side of the lock lever 17 (counterclockwise lowering side).
- the first locking projection 17a is in contact with the peripheral surface of the rotating plate 71, but as the rotating plate 71 rotates clockwise, as shown in FIG. 10 (b).
- the locking projections 17a engage with the concave portions 71b formed on the peripheral surface.
- a second locking projection 17d is provided at a right position (a side that is raised counterclockwise) of the lock lever 17.
- the second locking projection 17d is detached from the recess 30a of the rack mechanism 30. This allows the operation of the rack mechanism 30 in the play state.
- the rack mechanism 30 is connected to the optical pickup base 32 via a universal joint 31. As shown in FIG. 7, the optical pickup base 32 slides while being guided by two shafts 33 A 3 B.
- the two shafts 33A ⁇ 33B are supported on the main body chassis 11 by a mounting base 34A ⁇ 34B ⁇ 34C ⁇ 34D.
- One end of the shaft 33A (center side of the chassis) is connected to a height adjustment mechanism 35C, and both ends of the shaft 33B are connected to the height adjustment mechanism 35A3.
- the optical pickup base 32 and the rack mechanism 30 are universally joined. Since the optical pickup base 32 is connected via the rack 31, even if the attitude of the optical pickup base 32 changes, the attitude of the rack mechanism 30 does not change.
- the disc loading slot 20 is provided with a right disc guide 2R and a left disc guide 2L, and the disc loading slot 20 is substantially T-shaped.
- the disc D 1 When inserting the 12 cm disc D 1, as shown in Fig. 9, the disc D 1 is guided on the upper surface of the disc guide 2 R ⁇ 2 L, and is inserted into the player body 1 while maintaining a substantially horizontal state. It will be transported.
- the transport roller 15 is pushed down by the 12-cm disk D1 and slightly lowers (the same applies to the 8-cm disk D2), and transports the disk D1 while maintaining contact with the disk D1. Will be.
- the 8 cm disc D 2 can be placed on the upper surface of the disc guide 2 R ⁇ 2 L in the vicinity of its diameter, but when the part in the vicinity of the diameter enters the player main body, the data is lost. Issue Guide 2 R ⁇ The support by 2 L is lost, the rear end of the 8 cm disk D 2 is allowed to fall, and the front end is directed upward.
- a protrusion 101b 1 is formed (see Fig. 1 (a)). Further, as shown in FIG. 9A, protrusions 3 d 1 3 d are formed on the lower surface of the clamper 3. The leading edge of the 8 cm disc D2, which moves upward, hits the projection 3d ⁇ 3d (or the projection 101b ⁇ 101b), and the center of the disc D2 is the disc receiver. Stop while positioned on part 4. Note that any one of the projections 101b 1 101b and the projections 3d'3d may be formed.
- a regulating plate 21 is provided on the lower surface on the near side of the upper plate of the chassis base 101.
- Both the disc D “I and the disc D2 are inserted while being in contact with the contact guide P1 of the regulating plate 21.
- the disc D" I and the disc D2 are located at positions deeper than the contact guide P1.
- the portion between the contact guide portion P1 and the top portion P2 has a concave shape.
- the transport roller 5 is located at the concave portion.
- Disk guide 2R at loading slot 20 ⁇ Advances while contacting the upper surface of 2L and contact guide section P1 Disk D1 ⁇
- the peripheral surface of transport roller 5 is located in the direction of travel of D2
- the stopper part P2 is located at a position outside the direction of travel of the disk D1 ⁇ D2, corresponding to the direction of the tangent passing through the contact guide part P1 among the tangents of the peripheral surface.
- the discs D 1 and D 2 advance while contacting the contact guide portion P 1 and the upper surface of the disc guides 2 R and 2 L.
- the transfer roller 5 comes into contact with the peripheral surface of the transfer roller 5 and is pushed down, and is transferred by the transfer roller 5. Since the stopper P2 does not exist in the traveling direction of the disks D1 and D2, the transport of the disks D1 and D2 is not hindered.
- Disk D 2 After passing through the vicinity of the slot portion P2, the rear end of the disk D2 is allowed to descend, and the disk D2 moves upward.
- FIG. 11 is a simplified perspective view showing a support mechanism of the clamper 3.
- a square hole 1 1c ⁇ 11 c is formed in the back wall of the main body chassis 11.
- the fulcrum 3 a ⁇ 3 a of the clamper 13 is engaged with this square hole 1 1 c ⁇ 11 G. Have been combined. Vertical movement of the fulcrum 3 a ⁇ 3 a in the square hole 1 1 c is allowed, and horizontal movement is restricted.
- upright portions 11a and 11a are formed at the left and right positions on the rear side of the main body chassis 11.
- a vertical notch is formed at the upper end of each standing portion 11a, and the side protrusions 3e 3e of the clamper 3 are engaged with the vertical notch.
- the slider 6L is located at the farthest side.
- the push-up projections 64 come into contact with the engagement pieces 3c of the clamper 13, and the clamper 3 floats.
- the tip side (flange 3 b side) of the clamper 3 is pressed against the upper plate of the chassis base 101 and positioned, but if this pressing force is strong, the clamper 3 may be bent. . If the floating operation of the clamper 3 is repeated many times, the metal constituting the clamper 3 may be fatigued.
- the height of the square hole 1 1c is equal to the thickness of the fulcrum 3a, the uppermost position of the clamper 3 when floating will be Is determined by the positional relationship between the fulcrum portion 3a and the push-up protrusion 64, and if there is an error in the positional relationship between the uppermost position and the chassis base 101. As described above, there is a possibility that the clamper 3 may be bent. is there. In this embodiment, the height of the square hole 11c is higher than the thickness of the fulcrum 3a, and the fulcrum 3a in the square hole 11c is allowed to move vertically. You.
- the fulcrum part 3a ⁇ 3a is a square hole 1 1c Floating inside is allowed.
- the pressing force when the tip side of the clamper 3 comes into contact with the upper plate of the chassis base 101 is weakened, and the clamper 3 does not bend. That is, while positioning the tip end of the clamper 3 against the upper plate of the chassis base 101, the radius of the clamper 3 due to this hit can be avoided.
- FIG. 13 (a) is a perspective view showing a simplified connection portion of the optical pickup base.
- the rack mechanism 30 is connected to the optical pickup base 32 via the universal joint 31.
- the universal joint 31 is an optical pickup base 3 2 from the rack mechanism 30. And at one end (rack mechanism 30 side) of the universal joint 31, as shown in FIG. 4B, the convex rail 301 of the rack mechanism 30. It is provided so that it can engage and slide in the G and H directions.
- the other end (the optical pickup base 32 side) of the universal joint 31 is pressed (biased downward) toward the optical pickup base 32 by a leaf spring 32 b, and the universal joint 31 is pressed. If 3 1 moves, the optical pickup base 3 2 moves.
- the leaf spring 32b is fixed to the optical pickup base 32 by screws or the like. With this configuration, even if the attitude of the optical pickup base 32 is adjusted, the change is absorbed by the universal joint 31 side, and the attitude of the rack mechanism 30 changes. I will not.
- One end of the torsion spring 36 is in contact with the G-direction side surface of the universal joint 31, and the other end is in contact with the H-direction side surface of the rack mechanism 30.
- the rack mechanism 30 moves in the G direction
- the universal joint 3 "1 hits the end of the convex rail 301 and is pushed by the rack mechanism 30 to move. Then, the rack mechanism 30 moves in the H direction.
- the moving force of the rack mechanism 30 is given to the universal joint 31 via the torsion spring 36.
- the torsion spring 36 has sufficiently strong elasticity and is largely bent. The movement of the rack mechanism 30 can be transmitted to the universal joint 31 without any trouble.
- FIG. 13 shows a state in which the rack mechanism 30 has been moved most toward the H direction (that is, an ejected state).
- the contact portion 30b of the rack mechanism 30 presses the convex portion 17e of the lock lever 17 (trigger operation for transition to the eject state), and the lock lever 1 7 rotates clockwise, the second locking projections 17 d engage with the recesses 30 a of the rack mechanism 30, and the rack mechanism 30 is locked. That is, even if the optical pickup base 32 is located at the guide end on the center side of the player main body 1, the rack mechanism 30 still slightly moves in the H direction, and the trigger operation for eject state transition is performed. (In this state, the torsion spring 36 is further contracted).
- the rack mechanism 30 It is possible to reliably prevent a situation where the optical pickup does not reach the information recording area on the innermost peripheral side of the disk when the locking operation is performed.
- the optical pickup base 32 moves toward the center of the disc, and the movement causes the rack mechanism 30 to be fixed by a trigger operation and the driving force to be switched from the rack mechanism 30 to a mechanism for transporting the disc. Since the lock lever 17 is provided so as to perform the operation at the same time, it is possible to release the fixation of the optical pickup at the timing of switching the driving force transmission for moving the optical pickup after clamping the disk.
- Step sliders 6 L and 6 R are provided with stepped grooves 61 and 62, and the transfer roller 5 is moved along the groove 61 by retracting the slider by moving the sliders 6 R and 6 R. Since the lock levers 13L and 13R are rotated along the grooves 62, the transport roller 5 can be retracted with a simple configuration, and the chassis 11 can be elastically supported.
Landscapes
- Feeding And Guiding Record Carriers (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03811868A EP1583093A4 (en) | 2002-11-28 | 2003-08-06 | DISK READER |
US10/536,438 US7134127B2 (en) | 2002-11-28 | 2003-08-06 | Disk player |
AU2003254840A AU2003254840B2 (en) | 2002-11-28 | 2003-08-06 | Disk player |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002345128A JP2004178723A (ja) | 2002-11-28 | 2002-11-28 | ディスクプレーヤ |
JP2002345127A JP3992599B2 (ja) | 2002-11-28 | 2002-11-28 | ディスクプレーヤ |
JP2002/345128 | 2002-11-28 | ||
JP2002/345126 | 2002-11-28 | ||
JP2002/345127 | 2002-11-28 | ||
JP2002345126A JP3992598B2 (ja) | 2002-11-28 | 2002-11-28 | ディスクプレーヤ |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004049324A1 true WO2004049324A1 (ja) | 2004-06-10 |
Family
ID=32397750
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/010037 WO2004049324A1 (ja) | 2002-11-28 | 2003-08-06 | ディスクプレーヤ |
Country Status (5)
Country | Link |
---|---|
US (1) | US7134127B2 (ja) |
EP (1) | EP1583093A4 (ja) |
KR (1) | KR100672143B1 (ja) |
AU (1) | AU2003254840B2 (ja) |
WO (1) | WO2004049324A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7559068B2 (en) * | 2004-04-14 | 2009-07-07 | Nidec Pigeon Corporation | Disk carrying device with guide base and arm roller |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4155191B2 (ja) * | 2003-12-25 | 2008-09-24 | ティアック株式会社 | ディスク装置 |
JP2005302212A (ja) * | 2004-04-14 | 2005-10-27 | Tokyo Pigeon Co Ltd | ディスクプレーヤ装置 |
WO2006028056A1 (ja) * | 2004-09-07 | 2006-03-16 | Sanyo Electric Co., Ltd. | ディスクプレーヤ装置 |
JP5507171B2 (ja) * | 2009-09-23 | 2014-05-28 | 沖電気工業株式会社 | 操作ユニットの位置合わせ構造 |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08111054A (ja) * | 1994-10-07 | 1996-04-30 | Fujitsu Ten Ltd | ディスク状記録媒体のローディング装置 |
JPH103722A (ja) * | 1996-06-18 | 1998-01-06 | Kenwood Corp | ディスクプレーヤ |
JPH10340513A (ja) | 1997-06-06 | 1998-12-22 | Alpine Electron Inc | ディスク装置 |
JP2000057665A (ja) | 1998-08-06 | 2000-02-25 | Alpine Electronics Inc | ディスク搬送装置 |
JP2000339877A (ja) * | 1999-05-25 | 2000-12-08 | Clarion Co Ltd | ディスクプレーヤ |
JP2002100131A (ja) * | 2000-09-26 | 2002-04-05 | Sharp Corp | ディスク記録再生装置 |
JP2002230878A (ja) * | 2001-01-26 | 2002-08-16 | Tanashin Denki Co | ディスク再生装置 |
JP2002288911A (ja) * | 2001-03-26 | 2002-10-04 | Kenwood Corp | ディスクプレーヤ |
JP2002288907A (ja) * | 2001-03-23 | 2002-10-04 | Kenwood Corp | ディスククランプ装置 |
JP2002298519A (ja) * | 2001-03-30 | 2002-10-11 | Shinwa Co Ltd | 駆動装置 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2897325B2 (ja) * | 1990-03-28 | 1999-05-31 | 松下電器産業株式会社 | ディスクローディング装置 |
JP3810489B2 (ja) * | 1996-10-08 | 2006-08-16 | 松下電器産業株式会社 | ディスク位置決め装置 |
JP4071410B2 (ja) | 1999-11-12 | 2008-04-02 | パイオニア株式会社 | ディスクプレーヤ |
JP4271346B2 (ja) * | 2000-06-07 | 2009-06-03 | パナソニック株式会社 | ディスクローディング装置 |
JP2002140849A (ja) | 2000-10-31 | 2002-05-17 | Clarion Co Ltd | ディスクプレーヤ |
-
2003
- 2003-08-06 US US10/536,438 patent/US7134127B2/en not_active Expired - Fee Related
- 2003-08-06 KR KR1020057009680A patent/KR100672143B1/ko not_active IP Right Cessation
- 2003-08-06 EP EP03811868A patent/EP1583093A4/en not_active Withdrawn
- 2003-08-06 WO PCT/JP2003/010037 patent/WO2004049324A1/ja active IP Right Grant
- 2003-08-06 AU AU2003254840A patent/AU2003254840B2/en not_active Ceased
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08111054A (ja) * | 1994-10-07 | 1996-04-30 | Fujitsu Ten Ltd | ディスク状記録媒体のローディング装置 |
JPH103722A (ja) * | 1996-06-18 | 1998-01-06 | Kenwood Corp | ディスクプレーヤ |
JPH10340513A (ja) | 1997-06-06 | 1998-12-22 | Alpine Electron Inc | ディスク装置 |
JP2000057665A (ja) | 1998-08-06 | 2000-02-25 | Alpine Electronics Inc | ディスク搬送装置 |
JP2000339877A (ja) * | 1999-05-25 | 2000-12-08 | Clarion Co Ltd | ディスクプレーヤ |
JP2002100131A (ja) * | 2000-09-26 | 2002-04-05 | Sharp Corp | ディスク記録再生装置 |
JP2002230878A (ja) * | 2001-01-26 | 2002-08-16 | Tanashin Denki Co | ディスク再生装置 |
JP2002288907A (ja) * | 2001-03-23 | 2002-10-04 | Kenwood Corp | ディスククランプ装置 |
JP2002288911A (ja) * | 2001-03-26 | 2002-10-04 | Kenwood Corp | ディスクプレーヤ |
JP2002298519A (ja) * | 2001-03-30 | 2002-10-11 | Shinwa Co Ltd | 駆動装置 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7559068B2 (en) * | 2004-04-14 | 2009-07-07 | Nidec Pigeon Corporation | Disk carrying device with guide base and arm roller |
US7890965B2 (en) | 2004-04-14 | 2011-02-15 | Nidec Pigeon Corporation | Disk carrying device for use with a small diameter disk or a large diameter disk |
Also Published As
Publication number | Publication date |
---|---|
EP1583093A1 (en) | 2005-10-05 |
KR100672143B1 (ko) | 2007-01-19 |
KR20050084026A (ko) | 2005-08-26 |
EP1583093A4 (en) | 2008-06-11 |
AU2003254840B2 (en) | 2007-06-07 |
US20050289562A1 (en) | 2005-12-29 |
US7134127B2 (en) | 2006-11-07 |
AU2003254840A1 (en) | 2004-06-18 |
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