WO2007029370A1 - 光ディスク装置及びその調整方法 - Google Patents
光ディスク装置及びその調整方法 Download PDFInfo
- Publication number
- WO2007029370A1 WO2007029370A1 PCT/JP2006/307420 JP2006307420W WO2007029370A1 WO 2007029370 A1 WO2007029370 A1 WO 2007029370A1 JP 2006307420 W JP2006307420 W JP 2006307420W WO 2007029370 A1 WO2007029370 A1 WO 2007029370A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- optical disc
- adjustment
- optical
- optical pickup
- base
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 187
- 238000000034 method Methods 0.000 title claims description 13
- 230000001105 regulatory effect Effects 0.000 title description 3
- 230000002093 peripheral effect Effects 0.000 claims description 11
- 238000012544 monitoring process Methods 0.000 claims description 8
- 230000001678 irradiating effect Effects 0.000 claims description 2
- 239000000758 substrate Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/082—Aligning the head or the light source relative to the record carrier otherwise than during transducing, e.g. adjusting tilt set screw during assembly of head
Definitions
- the present invention relates to an optical disc apparatus, and more particularly to an optical disc apparatus provided with an inclination adjustment mechanism for adjusting an inclination angle of an optical pickup with respect to a signal recording surface of an optical disc and an adjustment method thereof.
- the optical disc apparatus is provided with a mechanism for adjusting the tilt angle of the optical pickup (that is, the direction of the outgoing optical axis) with respect to the signal recording surface of the optical disc.
- tilt adjustment in the radial direction of the optical disc and tilt adjustment in the tangential direction of the optical disc are performed.
- the inclination of the optical disk in the radial direction is adjusted by adjusting the inclination of the spindle motor that rotates the optical disk in the radial direction of the optical disk, or by adjusting the inclination of the main shaft that guides the optical disk.
- the optical disk tangential tilt adjustment can be performed by adjusting the spindle motor tilt in the optical disk tangential direction after the optical disk radial tilt adjustment is completed, or by guiding the optical disk to the secondary axis (provided parallel to the main axis). This is done by adjusting the inclination of the guide shaft).
- the above-described tilt adjustment of the sub shaft is performed by adjusting the height of both ends of the sub shaft with an adjusting screw or the like.
- the first method is to first adjust the height of one end of the sub-shaft so that the sub-shaft and the main shaft are parallel, then place the optical disc device in a playback state and monitor the playback signal while monitoring the height of both ends of the sub-shaft. Are changed by the same amount to make the main shaft and the sub shaft the same height.
- the optical disk device is first set in a reproduction state, the optical pickup is positioned at the end on the inner circumference side of the disk, and while monitoring the reproduction signal, one end of the sub-axis (the end near the optical pickup). ), And then the optical pickup is moved to the end on the outer periphery of the disc, and the height of the other end of the secondary shaft is adjusted while monitoring the reproduction signal (for example, patents) (Ref. 1, 2).
- Patent Document 1 Japanese Patent No. 3428832 (Page 45, Fig. 5)
- Patent Document 2 Japanese Patent Laid-Open No. 2002-100131 (Page 2-3, Fig. 1)
- the present invention has been made to solve the above-described problems.
- the optical pickup is sequentially positioned at predetermined positions on the inner and outer peripheral sides of the disk, so that one end and the other end of the auxiliary shaft are arranged.
- the purpose is to eliminate the need for repeated adjustments and reduce the time required for adjustment.
- An optical disc device is equipped with a base, a disc rotation drive mechanism attached to the base, and an optical system for irradiating a light beam onto the optical disc rotated by the disc rotation drive mechanism, Furthermore, an optical pickup provided with a bearing part, a guide shaft that engages with the bearing part of the optical pick-up and guides the optical pickup so as to be movable in the radial direction, and an adjustment that holds the guide shaft so as to be adjustable with respect to the base.
- the adjustment holding unit is fixed to the base by the first, second and third support points, and the heights of the second and third support points can be adjusted in the direction of the rotation axis of the optical disc.
- Optical pickup is in the optical disk When located at the first position on the circumferential side, the optical pickup bearing is located on a straight line connecting the first support point and the second support point. When the optical pickup is located at the second position on the outer peripheral side of the optical disk, the bearing portion of the optical pickup is located on a straight line connecting the first support point and the third support point.
- the optical pickup is moved to the second position on the outer periphery side of the disk.
- FIG. 1 is a plan view showing an internal configuration of an optical disc apparatus according to Embodiment 1 of the present invention.
- FIG. 2 is an exploded perspective view showing the optical disc apparatus according to Embodiment 1 of the present invention.
- FIG. 3 is an exploded perspective view showing the tilt angle adjusting mechanism of the optical disc apparatus according to Embodiment 1 of the present invention.
- FIG. 4 is a bottom view showing the internal configuration of the optical disc device according to Embodiment 1 of the present invention.
- FIG. 5 is a perspective view of the internal configuration of the optical disc apparatus according to Embodiment 1 of the present invention as viewed upward.
- FIG. 6 is a perspective view of the internal configuration of the optical disc apparatus according to Embodiment 1 of the present invention as viewed downward.
- FIG. 7 is a bottom view for explaining the tilt angle adjusting operation of the optical disc device according to Embodiment 1 of the present invention.
- FIG. 8 is a perspective view showing an internal configuration of an optical disc device according to Embodiment 2 of the present invention.
- FIG. 9 is an exploded perspective view showing a tilt angle adjusting mechanism of an optical disc device according to Embodiment 2 of the present invention.
- FIG. 10 is a perspective view showing an internal configuration of an optical disc apparatus according to Embodiment 3 of the present invention.
- FIG. 11 is an exploded perspective view of the tilt angle adjusting mechanism portion of the optical disc device according to Embodiment 3 of the present invention.
- FIG. 12 is an enlarged cross-sectional view showing an optical pickup and a secondary shaft of an optical disc device according to Embodiment 3 of the present invention.
- FIG. 1 is a plan view showing the internal configuration of the optical disc apparatus according to Embodiment 1 of the present invention.
- FIG. 2 is an exploded perspective view of the optical disc apparatus according to Embodiment 1.
- FIG. 3 is an exploded perspective view showing the tilt adjustment mechanism of the optical disc apparatus according to Embodiment 1.
- FIG. 4 is a bottom view showing the internal configuration of the optical disc apparatus according to Embodiment 1.
- FIG. 5 is a perspective view of the internal configuration of the optical disc device according to Embodiment 1 as viewed obliquely from above.
- FIG. 6 is a perspective view of the internal configuration of the optical disc apparatus according to Embodiment 1 as viewed obliquely downward.
- the optical disc apparatus has a base 1 as a base.
- the base 1 is provided with a turntable (disk rotation drive mechanism) 4 that holds and rotates an optical disk, and an optical pickup 2 that records and / or reproduces signals to / from the optical disk rotated by the turntable 4. ing.
- the optical pickup 2 moves in the radial direction of the optical disk held on the turntable 4 as will be described in detail below.
- the direction of the rotation axis of the turntable 4 is the vertical direction (Z direction).
- Z direction the direction toward the optical pickup 2 (Fig. 2) force optical disk
- + Z direction the direction toward the optical pickup 2
- opposite direction is defined as one Z direction.
- the moving direction of the optical pickup 2 (disk radial direction) is the Y direction.
- the direction away from turntable 4 is the + Y direction.
- the direction approaching turntable 4 is the Y direction.
- the ⁇ direction and the direction perpendicular to the ⁇ direction are the X direction.
- the disk motor 5 for driving the turntable 4 has a rotary shaft 5a in the heel direction that is press-fitted into the boss portion 4a of the turntable 4.
- the turntable 4 rotates in a body with the rotating shaft 5a.
- the disk motor 5 is fixed to a disk motor mounting portion la formed on the base 1 by set screws 6a, 6b, 6c. Further, the terminal portions 5b and 5c of the disk motor 5 are engaged with the terminal holes 41a and 41b provided in the substrate 41 and soldered, whereby a current is supplied from the substrate 41 to the disk motor 5.
- a detection switch 43 for detecting the position of the optical pickup 2 in the disk radial direction is mounted on the substrate 41.
- a main shaft 31 and a sub shaft 22 that guide the optical pickup 2 in the Y direction are mounted on the base 1. Both the main shaft 31 and the sub shaft 22 extend in the Y direction, and are arranged with an interval in the X direction.
- One end 31a of the main shaft 31 is engaged with and fixed to a main shaft holding hole lb provided in the base 1.
- the other end 31b of the main shaft 31 engages with a slit portion 1c in the Z direction provided on the base 1, and its position in the X direction is regulated.
- An urging spring 32 is provided at a position in contact with the end 31b of the main shaft 31.
- the urging spring 32 is held by a spring holding portion Id provided on the base 1, and urges the end 31b of the main shaft 31 in the -Z direction.
- the countersunk screw 33 is screwed into a female threaded portion le provided in the vicinity of the spring holding portion Id of the base 1, and the taper portion 33a of the screw head is used to shift the end portion 31b of the main shaft 31 in the Z direction. To regulate. By rotating the countersunk screw 33, the height of the end 31b of the main shaft 31 can be changed, and the tilt angle of the main shaft 31 can be adjusted.
- the adjustment holding unit 21 is, for example, a plate-like member whose plate surface is substantially parallel to the XY plane, and is formed long in the Y direction.
- the adjustment holding portion 21 has a pair of auxiliary shaft holding portions 21a and 21b that hold both ends of the auxiliary shaft 22 in the axial direction at both ends in the Y direction. Both ends of the sub-shaft 22 are fixed to these sub-shaft holding portions 21a and 21b, for example, by press-fitting or bonding.
- Spring positioning bosses 21e and 21f are erected in the vicinity of the auxiliary shaft holding portions 21a and 21b of the adjustment holding portion 21.
- spring positioning boss 21e, 21f of adjustment holding part 21 Spring holding portions lh and li, which are concave portions, are formed at positions opposite to.
- the biasing springs 25 and 26 are clamped by the spring positioning bosses 21e and 21f of the adjustment holding part 21 and the spring holding parts lh and li of the base 1, respectively.
- the biasing springs 25 and 26 always bias the adjustment holding portion 21 in the Z direction.
- the adjustment screws 23 and 24 pass through holes 21g and 21h formed in the adjustment holding portion 21 in the + Z direction, and are screwed into female screw portions lj and lk formed in the base 1. As a result, the positions of the adjustment holding unit 21 in the X direction and the Y direction with respect to the base 1 are restricted.
- a contact part 21i that is a plate-like piece further extends in the X direction.
- a slit lz that is long in the Y direction is formed so as to penetrate the contact portion 21i of the adjustment holding portion 21.
- a support part In that comes into contact with the contact part 21i is formed so as to protrude in the + Z direction.
- the adjustment holding portion 21 is biased in the Z direction by the biasing springs 25 and 26 described above, but the support portion In of the base 1 abuts on the contact portion 21i of the adjustment holding portion 21 to adjust the adjustment holding portion 21. Since the screw heads 23a, 24a of the screws 23, 24 abut against the portions around the through holes 21g, 21h of the adjustment holding portion 21, the position of the base 1 in the Z direction is restricted.
- the optical pickup 2 is a movable body having an optical system 20 such as an objective lens.
- Bearing portions 2a and 2b that are slidably engaged with the main shaft 31 are provided at one end of the optical pickup 2 in the X direction. Further, the other end portion in the X direction of the optical pickup 2 is provided with a bearing portion 2c that is slidably engaged with the auxiliary shaft 22.
- the base 1 is provided with a thread motor 11 for driving the optical pickup 2.
- the thread motor 11 is fixed to the base 1 with set screws 12a and 12b (FIG. 2).
- the thread motor 11 has an output shaft 11a, and a worm gear 13 is fixed to the output shaft 11a by press-fitting.
- a motor shaft biasing member 14 is attached to the base 1.
- the motor shaft biasing member 14 has a biasing portion 14a that comes into contact with the tip portion 13a of the worm gear 13, and thereby biases the shaft portion 11a in the axial direction thereof.
- a gear 16 is provided so as to engage with the worm gear 13.
- the gear 16 is rotatably supported by a gear shaft lm fixed to the base 1 by caulking.
- the gear 16 includes a large gear 16a, an intermediate gear 16b, and a small gear 16c that are coaxially combined with each other, and the large gear 16a is engaged with the worm gear 13.
- the small gear 16 c engages with the rack 3 provided in the optical pickup 2 and transmits the driving force of the thread motor 11 to the optical pickup 2.
- the intermediate gear 16b transmits the driving force of the sled motor 11 to an optical disc loading mechanism (not shown) via gears 17 and 18 rotatably supported on the base 1.
- tilt adjustment in the radial direction of the optical disk (that is, tilt adjustment about an axis parallel to the X direction) is performed.
- an optical disk (not shown) is mounted on the turntable 4, and the optical pickup 2 is moved to the end of the reproducing movable range on the inner circumference side of the disk to reproduce the optical disk.
- the countersunk screw 33 (FIG. 6) that regulates the height of the outer peripheral end 31b of the spindle 31 is rotated with an adjusting jig.
- tilt adjustment in the tangential direction of the optical disc that is, tilt adjustment about an axis parallel to the Y direction
- first and second adjustments are made.
- the optical pickup 2 is moved to the end (first position) on the inner circumference side of the disc in the reproduction movable range (see Figs. 4 and 6), and the optical disc is reproduced.
- the adjustment holding part 21 rotates about an axis A—A (FIG. 4) connecting the adjustment screw 24 (third support point) and the support part In (first support point).
- the height in the Z direction of the bearing portion 2c of the optical pickup 2 engaged with the sub shaft 22 changes.
- the optical pickup 2 tilts in the disk tangential direction at this position (in the Y direction). The tilt around a parallel axis) is adjusted.
- the optical pickup 2 is moved to the end (second position) on the outer periphery side of the disc in the reproduction movable range (see Fig. 7) to reproduce the optical disc.
- the adjustment screw 24 on the disk outer periphery side of the adjustment holder 21 to the adjustment jig.
- the adjustment holding part 21 rotates about an axis B—B connecting the adjustment screw 23 (second support point) and the support part ln (first support point).
- the height in the Z direction of the bearing 2c of the optical pickup 2 that engages with the optical pickup 2 changes.
- the optical pickup 2 tilts in the disk tangential direction at this position (in the Y direction). The tilt around the parallel axis is adjusted.
- the bearing 2c of the optical pickup 2 is on the axis B-B (FIG. 4), and in the second adjustment, the sub-shaft 22 is swung around the axis B-B. Move ( Figure 7). Therefore, the height force of the sub-shaft 22 where the optical pickup 2 was located at the time of the first adjustment is not changed by the second adjustment.
- the bearing 2c of the optical pickup 2 is on the axis A—A (FIG. 7).
- the auxiliary shaft 22 is centered on this axis A—A. Swings (Fig. 4). Therefore, even if the first adjustment is performed after the second adjustment, the height of the secondary shaft 22 where the optical pickup 2 was located at the time of the second adjustment is not changed by the first adjustment. Absent.
- the bearing portion 2c when the optical pickup 2 is at the end of the reproducing movable range on the inner circumference side of the disc, the bearing portion 2c is on the axis B-B, and the optical pickup 2 is movable for reproduction. Since the bearing portion 2c is on the axis AA when it is at the outer peripheral end of the range, the height of the other end does not change due to the effect of the height adjustment of one end of the auxiliary shaft 22. Therefore, the time required for adjustment without having to repeat re-adjustment can be greatly reduced.
- FIG. 8 is a perspective view showing the internal configuration of the optical disc device according to Embodiment 2 of the present invention. is there.
- FIG. 9 is a perspective view showing the tilt angle adjusting mechanism of the optical disc apparatus according to Embodiment 2.
- FIG. 8 in the present embodiment, the end in the X direction of the plate-shaped adjustment holding portion 21 (indicated by reference numeral 22a in FIG. 8) functions as the auxiliary shaft 22 described in the first embodiment. It has become.
- protruding positioning portions (attachment positioning portions) 21j and 21k are formed to protrude in the + Z direction.
- the positioning portions 21j, 2lk are engaged with positioning holes If, lg formed in the base 1, whereby the adjustment holding portion 21 is positioned in the X direction and the Y direction with respect to the base 1.
- the urging springs 25 and 26 are sandwiched between spring holding portions lh and li provided on the base 1 and a flat portion 21m of the adjustment holding portion 21, and urge the adjustment holding portion 21 in the ⁇ Z direction. is doing.
- the adjusting screws 23 and 24 are threaded through the through holes 21 g and 21 h and screwed into female screw portions lj and lk formed in the base 1.
- the adjustment holding part 21 is urged in the Z direction by the urging springs 25 and 26, and the support part In provided on the base 1 comes into contact with the contact part 21i of the adjustment holding part 21, Further, when the screw heads 23a, 24a of the adjustment screws 23, 24 abut around the through holes 21g, 21h of the adjustment holding portion 21, the position of the adjustment holding portion 21 in the Z direction with respect to the base 1 is restricted.
- a receiving portion 1 p is formed to protrude in the ⁇ Z direction so as to face the support portion In in the slit lz in which the contact portion 21 i of the adjustment holding portion 21 is inserted. Between the receiving portion lp and the support portion In and the adjustment holding portion 21, a clearance necessary for assembling the adjustment holding portion 21 to the base 1 is provided.
- the adjustment holding part 21 is displaced in the + Z direction with respect to the base 1 by the contact between the stepped parts 21 ⁇ , 21 ⁇ and the surroundings of the positioning holes If, lg and the contact part 21i with the receiving part lp. Position control is made.
- Other configurations are the same as those in the first embodiment.
- the tangential inclination adjustment with respect to the optical disc is performed in the same manner as in the first embodiment. That is, adjustment of one end of the countershaft (X-direction end 22a of the adjustment holding part 21) does not change the adjustment height of the other end, reducing the time required for adjustment without having to repeat readjustment can do.
- the adjustment holding unit 2 Since a part (X direction end portion 22a) of 1 functions as the auxiliary shaft 22, the number of parts can be reduced and the manufacturing cost can be reduced.
- the positioning portions 21j and 21k are formed integrally with the adjustment holding portion 21 and are fitted in the positioning holes If and lg provided in the base 1, so that the adjustment holding portion 21 in the X direction with respect to the base 1 is provided. Since the positioning in the Y direction is performed, the position of the adjustment holding portion 21 can be restricted even when an impact force is transmitted to the base 1 from the outside of the optical disc apparatus. Therefore, it is possible to avoid the shift of the adjustment position when subjected to disturbance such as impact, and to improve the reliability of the optical disc apparatus.
- the adjustment holding portion 21 is in the + Z direction with respect to the base 1. Because the position is controlled when displaced, even if the impact force is transmitted to the external force base 1 of the optical disk device and the adjustment holder 21 is displaced in the + Z direction, the adjustment holder 21 is positioned at three points. It can be regulated. As a result, it is possible to avoid such a situation that the adjustment holding unit 21 cannot return to the original position due to riding or twisting due to external impact, and the reliability of the optical disc apparatus can be further improved.
- FIG. 10 is a perspective view of the optical disk apparatus according to Embodiment 3 of the present invention as viewed upward.
- FIG. 11 is an exploded perspective view showing the tilt angle adjusting mechanism of the optical disc apparatus according to Embodiment 3 of the present invention.
- FIG. 12 is an enlarged partial cross-sectional view showing the auxiliary shaft and the optical pickup of the optical disc device according to Embodiment 3 of the present invention.
- the XZ cross-section of the plate-shaped adjustment holding portion 21 is projected on the X-direction end surface (end surface located inside the optical disc apparatus).
- a protruding portion 21q (FIGS. 11 and 12) having a shape is formed.
- the protrusion 21q is formed long in the Y direction, and is always in contact with the bearing 2c of the optical pickup 2 within the reproduction movable range of the optical pickup 2.
- the protrusion 21q of the adjustment holding portion 21 serves as a secondary shaft for guiding the optical pickup 2.
- Other configurations are the same as those in the second embodiment.
- the disk tangential direction (the axis parallel to the Y direction) of the optical pickup 2 is used.
- the bearing 2c is kept in contact with the curved surface of the secondary shaft (projection 21q). That is, it is possible to avoid contact between the bearing portion 2c and the auxiliary shaft at the edge. As a result, uneven wear of the bearing portion 2c can be suppressed, and an increase in the sliding load can be suppressed to improve the reliability of the optical disc apparatus.
- the height in the Z direction of the auxiliary shaft (projection 21q) that contacts the bearing 2c of the optical pickup 2 is determined by the disk tangential direction of the optical pickup 2 (rotation about an axis parallel to the Y direction). (Direction) directly affects the tilt angle of the optical pickup 2 and requires straightness accuracy in the regenerative movable range of the optical pickup 2.
- the optical pickup 2 is positioned at the inner peripheral end of the reproduction movable range and the first adjustment is performed, and then the optical pickup 2 is moved to the reproduction movable range.
- the second adjustment is performed at the end on the outer peripheral side, the order of the first adjustment and the second adjustment may be reversed.
Landscapes
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
- Moving Of Heads (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/921,774 US7814503B2 (en) | 2005-09-08 | 2006-04-07 | Optical disk device and adjusting method thereof |
DE112006002298T DE112006002298T5 (de) | 2005-09-08 | 2006-04-07 | Optische Plattenvorrichtung und Einstellverfahren für Diese |
GB0802875A GB2442693B (en) | 2005-09-08 | 2006-04-07 | Optical disk device and adjusting method thereof |
CN200680024985A CN100594545C (zh) | 2005-09-08 | 2006-04-07 | 光盘装置及其调整方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005260464A JP3853347B1 (ja) | 2005-09-08 | 2005-09-08 | 光ディスク装置及びその調整方法 |
JP2005-260464 | 2005-09-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007029370A1 true WO2007029370A1 (ja) | 2007-03-15 |
Family
ID=37560650
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2006/307420 WO2007029370A1 (ja) | 2005-09-08 | 2006-04-07 | 光ディスク装置及びその調整方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7814503B2 (ja) |
JP (1) | JP3853347B1 (ja) |
CN (1) | CN100594545C (ja) |
DE (1) | DE112006002298T5 (ja) |
GB (1) | GB2442693B (ja) |
WO (1) | WO2007029370A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102640222B (zh) * | 2010-01-21 | 2014-10-29 | 三菱电机株式会社 | 盘片装置 |
JP6080743B2 (ja) * | 2013-11-12 | 2017-02-15 | アルパイン株式会社 | ディスク装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11224438A (ja) * | 1998-02-05 | 1999-08-17 | Sony Corp | 光学ピックアップ装置 |
JP2003288728A (ja) * | 2002-03-27 | 2003-10-10 | Clarion Co Ltd | ディスクドライブ装置のスキュー調整装置、及びディスクドライブ装置 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6080153A (ja) * | 1983-10-07 | 1985-05-08 | Pioneer Electronic Corp | カセツトデツキにおけるイジエクト機構の起動機構 |
JPH071584B2 (ja) * | 1988-02-27 | 1995-01-11 | 三洋電機株式会社 | 磁気記録再生装置 |
JP3428832B2 (ja) | 1996-10-22 | 2003-07-22 | アルパイン株式会社 | ディスク装置における調整装置 |
JP2002100131A (ja) | 2000-09-26 | 2002-04-05 | Sharp Corp | ディスク記録再生装置 |
KR100894937B1 (ko) * | 2001-09-11 | 2009-04-27 | 파나소닉 주식회사 | 광디스크 장치 |
JP4223980B2 (ja) * | 2004-03-16 | 2009-02-12 | 株式会社日立エルジーデータストレージ | 光ディスク装置及びその光ピックアップの摺動駆動機構 |
KR100619364B1 (ko) * | 2004-06-23 | 2006-09-08 | 삼성전기주식회사 | 높이 가변형 턴테이블 어셈블리 및 그를 포함하는광디스크 장치 |
JP2006164345A (ja) | 2004-12-03 | 2006-06-22 | Yamaha Corp | 光ディスク装置のピックアップ角度調整機構 |
KR100700458B1 (ko) * | 2005-10-08 | 2007-03-28 | 삼성전자주식회사 | 광디스크 드라이브 |
JP2007200377A (ja) * | 2006-01-23 | 2007-08-09 | Matsushita Electric Ind Co Ltd | スロットイン型ディスク装置 |
JP4192969B2 (ja) * | 2006-06-23 | 2008-12-10 | ソニー株式会社 | ディスクドライブ装置 |
-
2005
- 2005-09-08 JP JP2005260464A patent/JP3853347B1/ja not_active Expired - Fee Related
-
2006
- 2006-04-07 US US11/921,774 patent/US7814503B2/en not_active Expired - Fee Related
- 2006-04-07 CN CN200680024985A patent/CN100594545C/zh not_active Expired - Fee Related
- 2006-04-07 DE DE112006002298T patent/DE112006002298T5/de not_active Withdrawn
- 2006-04-07 GB GB0802875A patent/GB2442693B/en not_active Expired - Fee Related
- 2006-04-07 WO PCT/JP2006/307420 patent/WO2007029370A1/ja active Application Filing
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11224438A (ja) * | 1998-02-05 | 1999-08-17 | Sony Corp | 光学ピックアップ装置 |
JP2003288728A (ja) * | 2002-03-27 | 2003-10-10 | Clarion Co Ltd | ディスクドライブ装置のスキュー調整装置、及びディスクドライブ装置 |
Also Published As
Publication number | Publication date |
---|---|
JP3853347B1 (ja) | 2006-12-06 |
GB2442693B (en) | 2011-05-18 |
US20090210891A1 (en) | 2009-08-20 |
GB0802875D0 (en) | 2008-03-26 |
GB2442693A (en) | 2008-04-09 |
CN100594545C (zh) | 2010-03-17 |
JP2007073146A (ja) | 2007-03-22 |
DE112006002298T5 (de) | 2008-07-24 |
CN101218636A (zh) | 2008-07-09 |
US7814503B2 (en) | 2010-10-12 |
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