JP2006260727A5 - - Google Patents
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- JP2006260727A5 JP2006260727A5 JP2005080201A JP2005080201A JP2006260727A5 JP 2006260727 A5 JP2006260727 A5 JP 2006260727A5 JP 2005080201 A JP2005080201 A JP 2005080201A JP 2005080201 A JP2005080201 A JP 2005080201A JP 2006260727 A5 JP2006260727 A5 JP 2006260727A5
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- 230000003287 optical Effects 0.000 claims 103
- 239000002184 metal Substances 0.000 claims 5
- 238000007906 compression Methods 0.000 claims 3
- 230000000875 corresponding Effects 0.000 claims 1
Claims (14)
前記光ピックアップの光ディスクの半径方向のスキュー調整を行うラジアルスキュー調整手段と、
前記光ディスクの接線方向のスキュー調整を行うタンジェンシャルスキュー調整手段と、
前記両スキュー調整手段とは別に、前記光ピックアップの光ディスクに対する高さ方向の調整を行う高さ調整手段を備えることを特徴とする光ピックアップの光軸調整装置。 An optical axis adjustment device for adjusting the optical axis of an optical pickup,
Radial skew adjustment means for adjusting skew in the radial direction of the optical disk of the optical pickup;
Tangential skew adjustment means for adjusting skew in the tangential direction of the optical disc;
An optical axis adjusting device for an optical pickup, comprising: a height adjusting means for adjusting the optical pickup in the height direction with respect to the optical disk, separately from the both skew adjusting means.
前記駆動軸をフレームに保持する位置を調整することにより前記光ピックアップの光軸を調整する光ピックアップの光軸調整装置であって、
前記駆動軸の先端部を、前記フレームに対して上下方向に移動可能に前記フレームに取り付け、前記光ピックアップの光ディスクに対する高さ方向の調整を行う高さ調整手段と、
前記駆動軸の他端部を、前記フレームに対して上下方向に移動可能に前記フレームに取り付け、前記光ピックアップの光ディスクの半径方向のスキュー調整を行うラジアルスキュー調整手段と、
ガイド部材を、前記フレームに対して上下方向に移動可能に前記フレームに取り付け、前記光ピックアップの光ディスクの接線方向のスキュー調整を行うタンジェンシャルスキュー調整手段とを備えることを特徴とするピックアップの光軸調整装置。 An optical pickup, and a drive shaft for driving the optical pickup in the disk radial direction,
An optical axis adjustment device for an optical pickup that adjusts an optical axis of the optical pickup by adjusting a position at which the drive shaft is held in a frame,
A height adjusting means for attaching the tip of the drive shaft to the frame so as to be movable in the vertical direction with respect to the frame, and for adjusting the height of the optical pickup relative to the optical disc;
A radial skew adjusting means for attaching the other end of the drive shaft to the frame so as to be movable in the vertical direction with respect to the frame, and performing a radial skew adjustment of the optical disk of the optical pickup;
An optical axis of a pickup comprising: a guide member attached to the frame so as to be movable in a vertical direction with respect to the frame; and tangential skew adjustment means for adjusting skew in a tangential direction of the optical disk of the optical pickup. Adjustment device.
前記光ピックアップを前記フレームの長手方向に移動させるための駆動軸と、
前記駆動軸に平行な部分を有し、前記光ピックアップの移動時のガイドとなる移動ガイドと、
前記駆動軸と前記移動ガイドとを、その両端部において両者の位置関係が変化しないように固定する先端側固定部材及び基部側固定部材と
前記駆動軸の先端部を、前記フレームに対して上下方向に移動可能に前記フレームに取り付け、調整ねじの調整によって前記光ピックアップの光ディスクに対する高さ方向の調整を行う高さ調整機構と、
前記駆動軸の基部側を、前記フレームに対して上下方向に移動可能に前記フレームに取り付け、調整ねじの調整によって前記光ピックアップの光ディスクの半径方向のスキュー調整を行うラジアルスキュー調整機構、及び、
前記移動ガイドの中央部近傍を、前記フレームに対して上下方向に移動可能に前記フレームに取り付け、調整ねじの調整によって前記光ピックアップの光ディスクの接線方向のスキュー調整を行うタンジェンシャルスキュー調整機構とを備えることを特徴とするピックアップの光軸調整装置。 One end of a frame is rotatably supported by the housing of the disk device, the other end of the frame is provided with a turntable for rotating the optical disk, and a swing provided with an optical pickup for accessing the optical disk at the center of the frame An optical axis adjusting device for the optical pickup in the arm,
A drive shaft for moving the optical pickup in the longitudinal direction of the frame;
A movement guide that has a portion parallel to the drive shaft and serves as a guide when the optical pickup moves;
A distal-end-side fixing member and a base-side fixing member that fix the drive shaft and the moving guide so that the positional relationship between both ends does not change at both ends thereof, and the distal end portion of the drive shaft in the vertical direction with respect to the frame A height adjustment mechanism for adjusting the height direction of the optical pickup with respect to the optical disc by adjusting an adjustment screw;
A radial skew adjustment mechanism that attaches the base side of the drive shaft to the frame so as to be movable in the vertical direction with respect to the frame, and performs skew adjustment in the radial direction of the optical disk of the optical pickup by adjusting an adjustment screw; and
A tangential skew adjustment mechanism that attaches the vicinity of the center of the moving guide to the frame so as to be movable in the vertical direction with respect to the frame, and adjusts the skew in the tangential direction of the optical disk of the optical pickup by adjusting an adjustment screw; An optical axis adjustment device for a pickup, comprising:
前記移動ガイド、前記先端側固定部材、及び基部側固定部材が、１枚の金属板の加工体から構成されており、前記先端側固定部材と基部側固定部材に相当する前記金属板の部位が直角に折り曲げられた部分に、前記駆動軸が回転自在に挿通されて保持されており、
前記光ピックアップには前記金属板の前記移動ガイド部分を滑らかに摺動するための係合部材が設けられていることを特徴とするピックアップの光軸調整装置。 An optical axis adjusting device for a pickup according to claim 3,
The moving guide, the distal end side fixing member, and the base side fixing member are formed of a single metal plate processed body, and the portion of the metal plate corresponding to the distal end side fixing member and the base side fixing member includes The drive shaft is rotatably inserted and held in a portion bent at a right angle,
An optical axis adjusting device for a pickup, wherein the optical pickup is provided with an engaging member for smoothly sliding the movement guide portion of the metal plate.
前記１枚の金属板が平面視コ字状の金属板であることを特徴とするピックアップの光軸調整装置。 An optical axis adjustment device for a pickup according to claim 4,
The optical axis adjusting device for a pickup, wherein the one metal plate is a U-shaped metal plate in plan view.
前記高さ調整機構が、
前記フレームの側面に設けられた取付孔に回動自在に挿通される回転軸を備えた回転レバー部と、
前記回転レバー部に対して前記回転軸の突設方向と反対の方向に垂直に接続する本体部と、
前記本体部に接続して前記駆動軸の先端部を回転可能に保持する駆動軸の保持部、及び
前記回転軸から遠くなる方向に前記本体部から延伸されて前記フレームの底面に設けられた支持部に対してばねとねじで取り付けられ、前記ねじの回動によって前記支持部に対して前記本体部の高さを可変する調整部とから構成されることを特徴とするピックアップの光軸調整装置。 An optical axis adjusting device for a pickup according to any one of claims 3 to 5,
The height adjusting mechanism is
A rotating lever portion having a rotating shaft that is rotatably inserted in a mounting hole provided on a side surface of the frame;
A main body connected perpendicularly to a direction opposite to the protruding direction of the rotating shaft with respect to the rotating lever;
A drive shaft holding portion that is connected to the main body portion and rotatably holds a tip end portion of the drive shaft; and a support provided on the bottom surface of the frame that extends from the main body portion in a direction away from the rotation shaft. An optical axis adjustment device for a pickup, comprising: an adjustment portion that is attached to a portion with a spring and a screw, and that varies a height of the main body portion with respect to the support portion by rotation of the screw. .
前記ラジアルスキュー調整機構が、
前記駆動歯車の回転軸に一端が回動自在に軸支され、他端に設けられた貫通孔によって前記従動歯車から突出する前記駆動軸の端部を回転自在に保持する保持レバーと、
前記保持レバーの前記貫通孔の近傍が延伸されて前記フレームの底面に設けられた取付部に対してばねとねじで取り付けられ、前記ねじの回動によって前記取付部に対して前記貫通孔の高さを、前記従動歯車を前記駆動歯車の周りを回転させながら可変する調整部とから構成されることを特徴とするピックアップの光軸調整装置。 The optical axis adjusting device for a pickup according to any one of claims 3 to 6, wherein a driven gear is provided at an end portion on the base side of the drive shaft, and the driven gear is rotated by a motor. When meshing with a gear,
The radial skew adjustment mechanism is
A holding lever that rotatably supports one end of the driving gear rotatably supported by the rotating shaft of the driving gear, and rotatably holds the end of the driving shaft protruding from the driven gear through a through-hole provided at the other end;
The vicinity of the through hole of the holding lever is extended and attached to a mounting portion provided on the bottom surface of the frame with a spring and a screw, and by turning the screw, the height of the through hole with respect to the mounting portion is increased. An optical axis adjusting device for a pickup, comprising: an adjusting unit that changes the driven gear while rotating the driven gear around the driving gear.
前記駆動歯車の回転軸がウォーム歯車によってモータに接続されており、前記モータが前記回転軸に対して直交する方向に配置されていることを特徴とするピックアップの光軸調整装置。 The optical axis adjusting device for a pickup according to claim 7,
An optical axis adjustment device for a pickup, wherein a rotation shaft of the drive gear is connected to a motor by a worm gear, and the motor is disposed in a direction orthogonal to the rotation shaft.
前記タンジェンシャルスキュー調整機構が、
前記フレームの底面に設けられたねじ孔と、
前記移動ガイドの中央部近傍の、前記ねじ孔に対向する位置に設けられた貫通孔と、
前記ねじ孔と前記貫通孔の間に配置される圧縮ばね、及び
前記貫通孔と前記圧縮ばねとを挿通して前記ねじ孔に螺着されるねじとから構成されることを特徴とするピックアップの光軸調整装置。 The optical axis adjustment device for a pickup according to any one of claims 3 to 7,
The tangential skew adjustment mechanism is
A screw hole provided in the bottom surface of the frame;
A through hole provided at a position near the center of the moving guide and facing the screw hole;
A pickup comprising: a compression spring disposed between the screw hole and the through hole; and a screw inserted through the through hole and the compression spring and screwed into the screw hole. Optical axis adjustment device.
前記フレ−ムの底面の前記ねじ穴の周囲に、前記圧縮ばねの位置決めと保持とを行うホルダ部材が設けられていることを特徴とするピックアップの光軸調整装置。 The optical axis adjustment device for a pickup according to claim 9,
An optical axis adjusting device for a pickup, wherein a holder member for positioning and holding the compression spring is provided around the screw hole on the bottom surface of the frame.
まず、前記高さ調整機構の前記調整ねじの調整によって前記光ピックアップの光ディスクに対する高さ方向の調整を行う第１の調整を行い、
次に、前記ラジアルスキュー調整機構の前記調整ねじの調整によって前記光ピックアップの光ディスクの半径方向のスキュー調整を行う第２の調整を行い、
最後に、前記タンジェンシャルスキュー調整機構の前記調整ねじの調整によって前記光ピックアップの光ディスクの接線方向のスキュー調整を行う第３の調整を行うことを特徴とするピックアップの光軸調整方法。 An optical pickup for accessing the optical disk is mounted on a swing arm together with the drive mechanism of the optical pickup, and the drive mechanism of the optical pickup includes a drive shaft for moving the optical pickup in the longitudinal direction of the swing arm, and the drive shaft. A distal end side fixing that fixes the movement guide serving as a guide when the optical pickup is moved, and the drive shaft and the movement guide so that the positional relationship between the two does not change at both ends. A member, a base side fixing member, and a tip end portion of the drive shaft are attached to the frame so as to be movable in the vertical direction with respect to the frame, and the height of the optical pickup with respect to the optical disc is adjusted by adjusting an adjustment screw. The frame adjustment mechanism and the base side of the drive shaft are movable in the vertical direction with respect to the frame. A radial skew adjustment mechanism that adjusts a skew in the radial direction of the optical disk of the optical pickup by adjusting an adjustment screw, and the vicinity of the central portion of the moving guide can be moved vertically with respect to the frame. An optical axis adjustment method of a pickup in a disk device comprising a tangential skew adjustment mechanism that is attached to a frame and adjusts a tangential skew adjustment of an optical disk of the optical pickup by adjusting an adjustment screw,
First, a first adjustment is performed to adjust the height direction of the optical pickup with respect to the optical disc by adjusting the adjustment screw of the height adjustment mechanism,
Next, a second adjustment is performed in which the radial skew of the optical pickup is adjusted by adjusting the adjustment screw of the radial skew adjustment mechanism.
Finally, a third adjustment for adjusting the skew in the tangential direction of the optical disk of the optical pickup is performed by adjusting the adjusting screw of the tangential skew adjusting mechanism.
まず、前記ラジアルスキュー調整機構の前記調整ねじの調整によって前記光ピックアップの光ディスクの半径方向のスキュー調整を行う第１の調整を行い、
次に、前記高さ調整機構の前記調整ねじの調整によって前記光ピックアップの光ディスクに対する高さ方向の調整を行う第２の調整を行い、
最後に、前記タンジェンシャルスキュー調整機構の前記調整ねじの調整によって前記光ピックアップの光ディスクの接線方向のスキュー調整を行う第３の調整を行うことを特徴とするピックアップの光軸調整方法。 An optical pickup for accessing the optical disk is mounted on a swing arm together with the drive mechanism of the optical pickup, and the drive mechanism of the optical pickup includes a drive shaft for moving the optical pickup in the longitudinal direction of the swing arm, and the drive shaft. A distal end side fixing that fixes the movement guide serving as a guide when the optical pickup is moved, and the drive shaft and the movement guide so that the positional relationship between the two does not change at both ends. A member, a base side fixing member, and a tip end portion of the drive shaft are attached to the frame so as to be movable in the vertical direction with respect to the frame, and the height of the optical pickup with respect to the optical disc is adjusted by adjusting an adjustment screw. The frame adjustment mechanism and the base side of the drive shaft are movable in the vertical direction with respect to the frame. A radial skew adjustment mechanism that adjusts a skew in the radial direction of the optical disk of the optical pickup by adjusting an adjustment screw, and the vicinity of the central portion of the moving guide can be moved vertically with respect to the frame. An optical axis adjustment method of a pickup in a disk device comprising a tangential skew adjustment mechanism that is attached to a frame and adjusts a tangential skew adjustment of an optical disk of the optical pickup by adjusting an adjustment screw,
First, a first adjustment is performed to adjust a skew in the radial direction of the optical disk of the optical pickup by adjusting the adjustment screw of the radial skew adjustment mechanism,
Next, a second adjustment is performed for adjusting the height direction of the optical pickup with respect to the optical disk by adjusting the adjustment screw of the height adjustment mechanism,
Finally, a third adjustment for adjusting the skew in the tangential direction of the optical disk of the optical pickup is performed by adjusting the adjusting screw of the tangential skew adjusting mechanism.
前記光ピックアップの光ディスクの半径方向のスキュー調整を行うラジアルスキュー調整手段と、 Radial skew adjustment means for adjusting skew in the radial direction of the optical disk of the optical pickup;
前記光ディスクの接線方向のスキュー調整を行うタンジェンシャルスキュー調整手段と、 Tangential skew adjustment means for adjusting skew in the tangential direction of the optical disc;
前記両スキュー調整手段とは別に、前記光ピックアップの光ディスクに対する高さ方向の調整を行う高さ調整手段を備えることを特徴とするディスク装置。 In addition to the both skew adjusting means, a disk device comprising height adjusting means for adjusting the height of the optical pickup relative to the optical disk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005080201A JP4493528B2 (en) | 2005-03-18 | 2005-03-18 | Optical axis adjusting device and adjusting method for optical pickup |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005080201A JP4493528B2 (en) | 2005-03-18 | 2005-03-18 | Optical axis adjusting device and adjusting method for optical pickup |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2006260727A JP2006260727A (en) | 2006-09-28 |
| JP2006260727A5 true JP2006260727A5 (en) | 2008-05-01 |
| JP4493528B2 JP4493528B2 (en) | 2010-06-30 |
Family
ID=37099768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2005080201A Expired - Fee Related JP4493528B2 (en) | 2005-03-18 | 2005-03-18 | Optical axis adjusting device and adjusting method for optical pickup |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4493528B2 (en) |
-
2005
- 2005-03-18 JP JP2005080201A patent/JP4493528B2/en not_active Expired - Fee Related
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