WO2020144819A1 - Dispositif de disque optique - Google Patents

Dispositif de disque optique Download PDF

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Publication number
WO2020144819A1
WO2020144819A1 PCT/JP2019/000565 JP2019000565W WO2020144819A1 WO 2020144819 A1 WO2020144819 A1 WO 2020144819A1 JP 2019000565 W JP2019000565 W JP 2019000565W WO 2020144819 A1 WO2020144819 A1 WO 2020144819A1
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WO
WIPO (PCT)
Prior art keywords
tray
optical disc
traverse mechanism
optical disk
cam slider
Prior art date
Application number
PCT/JP2019/000565
Other languages
English (en)
Japanese (ja)
Inventor
昌樹 宇田
克博 小野寺
福島　良光
和明 岡田
秀夫 伊藤
Original Assignee
パイオニアデジタルデザインアンドマニュファクチャリング株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by パイオニアデジタルデザインアンドマニュファクチャリング株式会社 filed Critical パイオニアデジタルデザインアンドマニュファクチャリング株式会社
Priority to JP2020565114A priority Critical patent/JP7068503B2/ja
Priority to CN201980077444.6A priority patent/CN113272899B/zh
Priority to PCT/JP2019/000565 priority patent/WO2020144819A1/fr
Publication of WO2020144819A1 publication Critical patent/WO2020144819A1/fr

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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
    • G11B17/05—Feeding or guiding single record carrier to or from transducer unit specially adapted for discs not contained within cartridges
    • G11B17/053—Indirect insertion, i.e. with external loading means
    • G11B17/056—Indirect insertion, i.e. with external loading means with sliding loading means

Definitions

  • the present invention relates to the technical field of optical disk devices.
  • This type of device is used, for example, in an archive system that uses optical disks.
  • an archive system for example, an archive system including a plurality of optical disc drives has been proposed (see Patent Documents 1 and 2).
  • a method for increasing the data capacity per optical disc for example, there is a method of using a double-sided optical disc in which a recording layer is provided on both one surface and the other surface opposite to the one surface. ..
  • the following configuration is adopted in order to use the double-sided optical disk without providing a reversing mechanism for reversing the double-sided optical disk. That is, one side of the double-sided optical disk is arranged so that the optical disk drive is arranged so that the rotation axis of the optical disk intersects with the vertical direction (that is, the optical disk drive is vertically installed) and the positions of the optical pickups are opposite to each other.
  • An optical disk drive that performs a reproducing or recording operation on the recording layer on the surface of 1) and an optical disk drive that performs a recording or reproducing operation on the recording layer on the other surface of the double-sided optical disk are arranged.
  • Patent Document 1 unlike the archive system described in Patent Document 2, the technology described in Patent Document 1 cannot be applied to an archive system in which an optical disk drive is arranged so that the rotation axis of the optical disk is along the vertical direction.
  • a tray loading type optical disk drive is used as the optical disk drive, a reproducing or recording operation is performed on the recording layer on the surface (that is, the upper surface) of the double-sided optical disk that is not in contact with the tray without using the inversion mechanism. Is extremely difficult to do.
  • the present invention has been made in view of the above problems, for example, and is an optical disk device capable of performing a reproducing or recording operation on a recording layer of a surface of the optical disk which is not in contact with the tray (corresponding to the optical disk drive described above. ) Is an issue.
  • an optical disc of the present invention includes a mounting portion on which an optical disc is mounted and a first surface including a groove portion formed by a pair of tray ribs extending in one direction, and the first surface.
  • a tray having a second surface on the opposite side, a traverse mechanism arranged to face the first surface and having a first boss portion, and a clamper arranged to face the second surface, The first boss portion is inserted through the second boss portion inserted into the groove portion, and the first boss portion is moved along with the movement in the other direction intersecting the one direction on the plane along the first surface.
  • a cam slider having an elevating cam hole for guiding the boss portion to elevate and lower the traverse mechanism, and the pair of tray ribs are divided by the placing portion.
  • the optical disk device includes a mounting surface on which an optical disk is mounted and a first surface including a groove portion formed by a pair of tray ribs extending in one direction, and a second surface on the side opposite to the first surface.
  • a tray having a surface, a traverse mechanism arranged to face the first surface and having a first boss portion, a clamper arranged to face the second surface, and inserted into the groove portion. The second boss portion and the first boss portion are inserted, and the first boss portion is guided along with the movement in the other direction intersecting the one direction on the plane along the first surface.
  • a cam slider having an elevating cam hole for elevating and lowering the traverse mechanism, wherein the pair of tray ribs are divided by the placing portion.
  • the optical disc device is a so-called tray loading type optical disc device.
  • a traverse mechanism including, for example, an optical pickup and a spindle motor is arranged so as to face the first surface of the tray. Therefore, in the optical disc device, the surface of the optical disc mounted on the tray mounting portion that is not in contact with the tray faces the traverse mechanism. Therefore, in the optical disk device, the reproduction or recording operation is performed on the surface of the optical disk which is not in contact with the tray.
  • the cam slider has a second boss portion that is inserted into a groove portion formed by a pair of tray ribs on the first surface of the tray.
  • the cam slider further has a lifting cam hole for guiding the first boss portion of the traverse mechanism. Since the cam slider has the second boss portion and the lifting cam hole, the tray, the cam slider, and the traverse mechanism work together.
  • the optical disc device is used to enhance compatibility with other optical disc devices, or to enhance versatility of a housing used in a device including the optical disc device (for example, the above-described archive system, personal computer, etc.).
  • a housing used in a device including the optical disc device for example, the above-described archive system, personal computer, etc.
  • the width of the tray (that is, the length of the tray in the other directions) needs to be almost the same as the diameter of the optical disk.
  • a groove portion (in other words, a pair of tray ribs) into which the second boss portion of the cam slider is inserted must be formed on the first surface of the tray.
  • the pair of tray ribs is divided by the mounting portion on the first surface of the tray. That is, a pair of tray ribs is not formed on the mounting portion. According to this structure, the tray, the cam slider, and the traverse mechanism can be interlocked with each other, and the size of the optical disk device can be adjusted to the standard.
  • the optical disk device it is possible to perform the reproducing or recording operation on the recording layer on the surface of the optical disk which is not in contact with the tray.
  • the size of the optical disc device can be adjusted to the standard, compatibility and/or versatility of the optical disc device can be improved.
  • the second surface has a tray rack extending along the one direction, is arranged to face the first surface, and the tray is placed in the one direction.
  • a motor for outputting power for moving along a gear arranged to face the second surface and meshing with the tray rack, and a power transmission member for transmitting the power output from the motor to the gear.
  • the power for moving the tray along the one direction is transmitted from the motor arranged on the first surface side of the tray to the tray rack formed on the second surface of the tray. Since the traverse mechanism is arranged so as to face the first surface of the tray, even if the motor is arranged on the first surface side of the tray, there is no influence on the height (or thickness) of the optical disk device. Therefore, according to this aspect, it is possible to move the tray along one direction while adjusting the size (especially height or thickness) of the optical disk device to the standard.
  • the cam slider has a first suppressing member that suppresses movement of the cam slider in the other direction.
  • the pair of tray ribs is not formed on the mounting portion of the first surface of the tray. That is, the groove portion into which the second boss portion of the cam slider is inserted is interrupted at the tray mounting portion. Therefore, if no measures are taken, there is a possibility that the cam slider will move in the other direction more than expected due to the interruption of the groove.
  • the cam slider since the cam slider has the first suppressing member, it is possible to suppress the movement of the cam slider in the other direction.
  • the elevating cam hole when the optical disc is clamped, has a distance between the traverse mechanism and the tray at a second position where the traverse mechanism is located.
  • the distance is smaller than the distance at the first position where the traverse mechanism is located.
  • the distance between the traverse mechanism and the tray when the optical disc is clamped is smaller than the distance when the optical disc is reproduced or recorded. Therefore, the distance between the spindle motor of the traverse mechanism and the clamper becomes relatively small, so that the optical disc can be properly clamped.
  • the clamper is rotatably arranged in a recess formed in the cover of the optical disc device, and abuts on a portion of the cover forming the recess.
  • a clamper cover having a second suppressing member that suppresses the positional fluctuation of the clamper in the recess.
  • the position change of the clamper is suppressed by the second suppressing member, so that when the optical disc is clamped, it is possible to preferably suppress the displacement between the spindle motor of the traverse mechanism and the clamper. it can.
  • a limit is formed on the first surface side of the tray and at a position separated from the tray and restricts movement of the optical disc to the traverse mechanism side. It has a member.
  • the tray In an optical disc device in which the traverse mechanism is arranged so as to face the second surface of the tray, the tray will be interposed between the traverse mechanism and the optical disc. Therefore, when the optical disc is taken out from the optical disc device after the reproduction or recording of the optical disc is completed, the optical disc is unclamped due to the ejection operation of the tray.
  • the traverse mechanism since the traverse mechanism is arranged so as to face the first surface of the tray, the tray is not interposed between the traverse mechanism and the optical disc. For this reason, if no measures are taken, the optical disk may remain stuck to the spindle motor of the traverse mechanism when the optical disk is taken out from the optical disk device (that is, the optical disk is not properly unclamped). There is a possibility). As a result, problems such as the optical disc not being ejected from the optical disc device and scratches or stains on the optical disc may occur.
  • the movement of the optical disc to the traverse mechanism side is limited because the optical disc device includes the limiting member. Therefore, according to this aspect, it is possible to preferably prevent the optical disc from being stuck to the spindle motor of the traverse mechanism when the optical disc is taken out from the optical disc device.
  • optical disk device of the present invention An embodiment of the optical disk device of the present invention will be described with reference to the drawings.
  • an optical disk drive is taken as an example of the optical disk device of the present invention.
  • FIG. 1 is a diagram showing an arrangement of components of an optical disc drive according to an embodiment.
  • FIG. 2 is a perspective view showing a main part of the optical disc drive according to the embodiment.
  • FIG. 3 is a plan view showing the tray according to the embodiment.
  • FIG. 4 is a diagram showing a cam slider according to the embodiment.
  • the optical disk drive 1 is arranged so as to face the tray 10 and a first surface of the tray 10 on the side where the optical disk 200 is placed, and a spindle motor (SPDL) and an optical pickup (PU). ), a clamper 30 arranged to face a second surface of the tray 10 opposite to the first surface, a cam slider 40, and power for driving the tray 10 and the cam slider 40.
  • the drive unit 50 that outputs the power and the gear train 60 that transmits the power output from the drive unit 50 to the tray 10 are configured.
  • the optical disk drive 1 is a so-called tray loading type optical disk drive.
  • the optical pickup of the traverse mechanism 20 performs a reproducing or recording operation on the surface (that is, the upper surface) of the optical disk 200 on the side not in contact with the tray 10. ..
  • FIG. 3A is a plan view of the tray 10 seen from above the optical disc drive 1. That is, FIG. 3A is a plan view showing the first surface of the tray 10 described above.
  • FIG. 3B is a plan view of the tray 10 as seen from below the optical disc drive 1. That is, FIG. 3B is a plan view showing the second surface of the tray 10 described above.
  • a mounting portion 11 on which the optical disc 200 is mounted is formed on the first surface of the tray 10.
  • a pair of tray ribs 12 extending in the x direction is further formed on the first surface of the tray 10.
  • a groove 13 is formed by the pair of tray ribs 12. The groove 13 limits the movement of the cam slider 40 (details will be described later).
  • the pair of tray ribs 12 are divided by the mounting portion 11.
  • a tray rack 14 extending along the x direction is formed on the second surface of the tray 10.
  • a gear 61 meshes with the tray rack 14 (a power transmission path to the gear 61 will be described later).
  • the cam slider 40 has a boss 41 that is inserted into the groove 13 of the tray 10.
  • the boss 21 of the traverse mechanism 20 is inserted into the cam slider 40, and as the cam slider 40 moves in the y direction (see FIGS. 2 and 3), the boss 21 is guided to move the traverse mechanism 20 up and down. 42 is formed.
  • the power output from the motor 51 is transmitted from a pulley (not shown) fixed to the motor 51 to the pulley 52 via a belt. After that, the power output from the motor 51 is transmitted to the gear 54 via the gear 53 and the like.
  • the gear 53 is configured to be able to mesh with a cam rack (not shown) formed on the cam slider 40.
  • a gear 62 is connected to a rotary shaft 55 of the gear 54. Therefore, the power output from the motor 51 and transmitted to the gear 54 is transmitted to the gear 61 via the rotary shaft 55 and the gear 62.
  • the tray 10 is moved along the x direction.
  • the motor 51, the pulley 52, the gears 53 and 54, and the rotating shaft 55 form a part of the drive unit 50.
  • the gears 61 and 62 form a part of the gear train 60.
  • FIG. 5 is a diagram showing the movement of the cam slider with respect to the tray.
  • FIG. 6 is a diagram showing the movement of the traverse mechanism with respect to the cam slider.
  • the state shown in FIG. 5A corresponds to the states shown in FIGS. 6A1 and 6A2, respectively.
  • the state shown in FIG. 5(b) corresponds to the state shown in each of FIGS. 6(b1) and 6(b2).
  • the state shown in FIG. 5C corresponds to the states shown in FIGS. 6C1 and 6C2, respectively.
  • the state shown in FIG. 5D corresponds to the states shown in FIGS. 6D1 and 6D2, respectively.
  • FIGS. b2), (c2) and (d2) are views (that is, a side view) of the traverse mechanism 20 and the like viewed from the right side of FIG. 5.
  • FIG. 3A shows a state in which the tray 10 projects in front of the main base (not shown) of the optical disc drive 1.
  • FIG. 5B shows a state where the tray 10 is accommodated in the main base of the optical disc drive 1 (the same applies to the corresponding FIGS. 6B1 and 6B2).
  • FIG. 5(a) shows a state between the state shown in FIG. 3(a) and the state shown in FIG. 5(b) (also for the corresponding FIG. 6(a1) and FIG. 6(a2). As well).
  • FIG. 5C shows a state in which the optical disc 200 is clamped by the traverse mechanism 20 as shown in corresponding FIGS. 6C1 and 6C2.
  • FIG. 5D shows a state in which the optical pickup of the traverse mechanism 20 performs a reproduction or recording operation on the optical disc 200 (also in the corresponding FIGS. 6D1 and 6D2). As well).
  • the cam slider 40 moves toward the rear end side of the tray 10 (that is, as shown by the broken line arrow in FIG. 5A). It moves from the upper side of FIG. 5A) toward the front end side of the tray 10 (that is, the lower side of FIG. 5A). At this time, the boss 41 (see FIG. 4) of the cam slider 40 moves in the groove portion 13 of the tray 10.
  • the pair of tray ribs 12 (see FIG. 3A) forming the groove 13 are divided by the mounting portion 11 of the tray 10. Therefore, when the tray 10 is housed in the main base, the boss 41 of the cam slider 41 is once disengaged from the groove portion 13 of the tray 10, and after the cam slider 40 has passed the mounting portion 11 of the tray 10, the groove portion 13 is again formed. It will enter inside.
  • the groove 13 is formed so that the cam slider 40 moves along the y direction.
  • the cam rack of the cam slider 40 and the gear 53 (see FIG. 2) are not yet in mesh with each other.
  • the cam slider 40 is caused by the shape of the groove portion 13 as shown by a broken line arrow in FIG. Move from the right side to the left side of FIG. 5).
  • the cam rack and the gear 53 mesh with each other.
  • the cam slider 40 further moves from the right side to the left side in FIG.
  • the traverse mechanism 20 is installed in the main base together with the tray 10. It is located at a retracted position where it does not collide with the optical disc 200 accommodated in the.
  • the cam slider 40 As the gear 53 meshed with the cam rack rotates, the cam slider 40 further moves from the right side to the left side in FIG. 5, and the boss 21 of the traverse mechanism 20 moves as shown in FIGS. 6(c1) and 6(c2). As a result of the movement according to the shape of the elevating cam hole 42 formed in the cam slider 40, the traverse mechanism 20 descends toward the optical disc 200. In the state shown in FIGS. 6C1 and 6C2, the traverse mechanism 20 is located at the clamp position when the optical disc 200 is clamped.
  • the cam slider 40 is arranged above the tray 10.
  • the pair of tray ribs 12 forming the groove portion 13 into which the boss 41 of the cam slider 40 is inserted so that the tray 10 and the cam slider 40 (further, the traverse mechanism 20) interlock with each other.
  • the width (that is, the length in the y direction) of the tray 10 needs to be substantially the same as the diameter of the optical disc 200 so that the size of the optical disc drive 1 conforms to the standard.
  • the pair of tray ribs 12 formed on the first surface of the tray 10 is divided by the mounting portion 11 (in other words, by not forming the pair of tray ribs 12 on the mounting portion 11). ), the interlocking of the cam slider 40 arranged above the tray 10 with the tray 10 and compatibility with the size standard of the optical disk drive 1 are both achieved.
  • the motor 51 that outputs power for driving the tray 10 is arranged above the tray 10.
  • the tray rack 14 is formed on the second surface of the tray 10 as shown in FIG. Therefore, in the optical disk drive 1, the power output from the motor 51 is transmitted to the gear 61 meshing with the tray rack 14 via the gear 54, the rotary shaft 55, and the gear 62.
  • the "gear 54", the "rotary shaft 55", and the “gear 62" correspond to an example of the "power transmission member" according to the present invention.
  • the boss 41 of the cam slider 40 has the groove portion of the tray 10. It leaves 13 once. At this time, if no measures are taken, the cam slider 40 may move in the y direction.
  • the traverse mechanism 20 When the tray 10 is stored in the main base, the traverse mechanism 20 is located at the retracted position, as shown in FIG. 6(a2), for example. At this time, the boss 21 of the traverse mechanism 20 is at the position shown in FIG. 6A1 of the elevating cam hole 42 of the cam slider 40.
  • the portion of the cam slider 40 indicated by the dotted circle c2 in FIG. 6(a1) (that is, the portion where the boss 21 is located) is formed to be slightly lower than the periphery thereof. That is, a recess is formed in the portion indicated by the dotted circle c2.
  • the cam slider 40 further has a resin spring 43, as shown in FIG.
  • the resin spring 43 is formed so as to come into contact with a convex portion formed on a chassis (not shown) surrounding the traverse mechanism 20.
  • the resin spring 43 will be described with reference to FIG. 7.
  • FIG. 7 is an enlarged view showing the vicinity of the resin spring of the cam slider according to the embodiment in an enlarged manner.
  • the above-mentioned convex portion is formed in the portion of the chassis shown by the dotted circle c4 in FIG.
  • the resin spring 43 is brought into contact with the above-mentioned projection.
  • the part is formed on the chassis. Therefore, when the tray 10 is accommodated in the main base, even if a force from the right side to the left side in FIG. 7 (that is, a force from the right side to the left side in FIG.
  • the resin spring 43 corresponds to an example of the "first suppressing member" according to the present invention.
  • the distance between the traverse mechanism 20 and the tray 10 when the traverse mechanism 20 is located at the clamp position (see (c1) and (c2) of FIG. 6) is the reproduction position (
  • the elevating cam hole 42 of the cam slider 40 is formed so as to be smaller than the distance when it is located in FIGS. 6D1 and 6D2).
  • this is the case where the traverse mechanism 20 is located at the reproduction position in the state shown in FIG. 6D1 (being focused on the position of the boss 21).
  • the state where the boss 21 is located in the portion indicated by the dotted circle c3 in FIG. 6D1 is the case where the traverse mechanism 20 is located in the clamp position. ..
  • the lifting cam hole 42 is formed so that the position of the boss 21 when the traverse mechanism 20 is located at the clamp position is lower than the position of the boss 21 when the traverse mechanism 20 is located at the reproduction position. Has been done.
  • FIG. 8 is a diagram showing a clamp cover according to the embodiment.
  • the clamper 30 is rotatably arranged in a recess formed in the cover of the optical disc drive 1. A hole is formed in the recess so that the clamper 30 can be coupled to the spindle motor of the traverse mechanism 20.
  • the cover and the clamper 30 are prevented from contacting each other. A recess is formed. Therefore, if no measures are taken, the positional fluctuation of the clamper 30 in the recess may be relatively large. Then, the optical disc 200 may not be properly clamped due to the position variation of the clamper 30 in the recess.
  • a rib 71 is formed on the clamper cover 70 for suppressing the positional fluctuation of the clamper 30 in the recess.
  • the clamper cover 70 can preferably suppress the positional fluctuation of the clamper 30 in the recess.
  • a part of the rib 71 is in contact with a portion of the cover that constitutes the recess. Therefore, the ribs 71 also prevent the clamper cover 70 from being displaced with respect to the recess.
  • the "rib 71" corresponds to an example of the "second suppressing member" according to the present invention.
  • the lifting cam hole 42 of the cam slider 40 is formed so that the distance between the spindle motor of the traverse mechanism 20 and the clamper 30 becomes as short as possible when the optical disk 200 is clamped.
  • the clamper cover 70 has the ribs 71 so as to suppress the positional fluctuation of the clamper 30 in the recess. Therefore, according to the optical disc drive 1, the optical disc 200 can be appropriately clamped.
  • the optical disc 200 When the optical disc 200 is taken out of the optical disc drive 1 after the reproduction or recording of the optical disc 200 is completed, the optical disc 200 is ejected from the main base of the optical disc drive 1 due to the ejection operation. Unclamped. At this time, if no measures are taken, the optical disc 200 may remain stuck to the spindle motor of the traverse mechanism 20 (that is, the optical disc 200 may not be properly unclamped). As a result, problems such as the optical disc 200 not being ejected from the optical disc drive 1 and the optical disc 200 being scratched or soiled may occur.
  • the portion of the chassis surrounding the traverse mechanism 20 is surrounded by the dotted circle c5 in FIG. Ribs 80 (see FIG. 9B) that restrict the movement (i.e., the upward movement) of the ribs are formed.
  • the rib 80 is lower than the position of the lower end of the spindle motor when the traverse mechanism 20 is located at the retracted position in the height direction (z direction) of the optical disc drive 1, and the traverse mechanism 20 is at the reproduction position. It is formed at a position higher than the position of the upper surface of the optical disc 200 when it is located at.
  • the optical disc 200 Even if the optical disc 200 adheres to the spindle motor of the traverse mechanism 20, the optical disc 200 may come into contact with the rib 80 when the traverse mechanism 20 rises toward the retracted position due to the ejection operation of the tray 10. Thus, the optical disc 200 is removed from the spindle motor. Therefore, according to the optical disc drive 1, the optical disc 200 can be appropriately unclamped.
  • the "rib 80" corresponds to an example of the "limitation member" according to the present invention.
  • Optical disk drive 10... Tray, 20... Traverse mechanism, 30... Clamper, 40... Cam slider, 50... Drive part, 60... Gear train part, 70... Clamper cover

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  • Feeding And Guiding Record Carriers (AREA)

Abstract

L'invention concerne un dispositif de disque optique (1) qui comprend : un plateau (10) qui comprend une seconde surface et une première surface comprenant une partie de rainure (13) formée par une paire de nervures de plateau (12) qui s'étendent dans une direction et une partie de placement (11) sur laquelle un disque optique (200) est placé ; un mécanisme transversal (20) qui est disposé de façon à être tourné vers l'opposé de la première surface et comprend une première partie de bossage (21) ; un dispositif de serrage (30) qui est disposé de façon à être tourné vers l'opposé de la seconde surface ; et une glissière de came (40) qui comprend une seconde partie de bossage (41) destinée à être insérée dans la partie de rainure et un orifice de came à mouvement vertical (42) qui comprend la première partie de bossage insérée à travers celui-ci et qui, en association avec un mouvement dans une autre direction, guide la première partie de bossage de façon à amener le mécanisme transversal à se déplacer verticalement. La paire de nervures de plateau est isolée l'une de l'autre par la partie de placement
PCT/JP2019/000565 2019-01-10 2019-01-10 Dispositif de disque optique WO2020144819A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2020565114A JP7068503B2 (ja) 2019-01-10 2019-01-10 光ディスク装置
CN201980077444.6A CN113272899B (zh) 2019-01-10 2019-01-10 光盘装置
PCT/JP2019/000565 WO2020144819A1 (fr) 2019-01-10 2019-01-10 Dispositif de disque optique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2019/000565 WO2020144819A1 (fr) 2019-01-10 2019-01-10 Dispositif de disque optique

Publications (1)

Publication Number Publication Date
WO2020144819A1 true WO2020144819A1 (fr) 2020-07-16

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Application Number Title Priority Date Filing Date
PCT/JP2019/000565 WO2020144819A1 (fr) 2019-01-10 2019-01-10 Dispositif de disque optique

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JP (1) JP7068503B2 (fr)
CN (1) CN113272899B (fr)
WO (1) WO2020144819A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0527817U (ja) * 1991-09-02 1993-04-09 三洋電機株式会社 光学式ピツクアツプ装置
JPH05151686A (ja) * 1991-11-26 1993-06-18 Sanyo Electric Co Ltd デイスク両面再生装置
JP2008084416A (ja) * 2006-09-27 2008-04-10 Matsushita Electric Ind Co Ltd ディスクローディング装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100532449B1 (ko) 2003-07-16 2005-11-30 삼성전자주식회사 광디스크 드라이브
JP2008305480A (ja) 2007-06-06 2008-12-18 Teac Corp 光ディスク装置
JP2009087391A (ja) * 2007-09-27 2009-04-23 Toshiba Corp 光ディスク装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0527817U (ja) * 1991-09-02 1993-04-09 三洋電機株式会社 光学式ピツクアツプ装置
JPH05151686A (ja) * 1991-11-26 1993-06-18 Sanyo Electric Co Ltd デイスク両面再生装置
JP2008084416A (ja) * 2006-09-27 2008-04-10 Matsushita Electric Ind Co Ltd ディスクローディング装置

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CN113272899B (zh) 2023-03-10
JP7068503B2 (ja) 2022-05-16
CN113272899A (zh) 2021-08-17
JPWO2020144819A1 (ja) 2021-11-11

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