JPS62147132U - - Google Patents
Info
- Publication number
- JPS62147132U JPS62147132U JP1986034096U JP3409686U JPS62147132U JP S62147132 U JPS62147132 U JP S62147132U JP 1986034096 U JP1986034096 U JP 1986034096U JP 3409686 U JP3409686 U JP 3409686U JP S62147132 U JPS62147132 U JP S62147132U
- Authority
- JP
- Japan
- Prior art keywords
- movable member
- axis
- drive device
- return spring
- main body
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 claims description 7
- 239000013013 elastic material Substances 0.000 claims 1
- 230000007935 neutral effect Effects 0.000 claims 1
- 239000002184 metal Substances 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
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/095—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following specially adapted for discs, e.g. for compensation of eccentricity or wobble
-
- 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
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/0925—Electromechanical actuators for lens positioning
- G11B7/0932—Details of sprung supports
Landscapes
- Optical Recording Or Reproduction (AREA)
Description
第１図〜第８図は本考案の実施例を示すもので
あり、第１図は光学式ピツクアツプの補正駆動装
置を示す平面図、第２図はその縦断面図、第３図
は補正駆動装置の可動部材を示す斜視図、第４図
は本考案による光学式ピツクアツプの補正駆動装
置を装備したコンパクトデイスクプレーヤのデイ
スク駆動ユニツトを示す平面図、第５図は復帰ば
ねの平面図、第６図はその側面図、第７図は他の
実施例による復帰ばねを示す平面図、第８図はそ
の側面図、第９図は従来の光学式ピツクアツプの
補正駆動装置における可動部を示す分解斜視図、
第１０図はその平面図、第１１図はその側面図で
ある。
２０ａ……光学式ピツクアツプの補正駆動装置
、２１……対物レンズ、２２……可動部材、２３
……固定部、２４……軸、２５……軸受、３０…
…復帰ばね、３１……本体部、３２……変形部、
３３，３４……取り付け金具、４１，４２，４３
，４４，４５……磁気駆動機構、Ｄ……光デイス
ク。
1 to 8 show an embodiment of the present invention, in which FIG. 1 is a plan view showing a correction drive device for an optical pickup, FIG. 2 is a longitudinal sectional view thereof, and FIG. 3 is a correction drive device. FIG. 4 is a perspective view showing the movable members of the device, FIG. 4 is a plan view showing the disk drive unit of a compact disk player equipped with the optical pickup correction drive device according to the present invention, FIG. 5 is a plan view of the return spring, and FIG. 7 is a plan view showing a return spring according to another embodiment, FIG. 8 is a side view thereof, and FIG. 9 is an exploded perspective view showing movable parts in a conventional correction drive device for an optical pickup. figure,
FIG. 10 is a plan view thereof, and FIG. 11 is a side view thereof. 20a... optical pickup correction drive device, 21... objective lens, 22... movable member, 23
... Fixed part, 24 ... Shaft, 25 ... Bearing, 30 ...
...Return spring, 31... Main body part, 32... Deformation part,
33, 34...Mounting metal fittings, 41, 42, 43
, 44, 45...Magnetic drive mechanism, D...Optical disk.
Claims (1)
動部材が、対物レンズの光軸と平行に設けられた
軸に対し摺動自在且つ回動自在に支持されている
とともに、固定部と可動部材との間には、可動部
材を中立位置に維持するための復帰ばねが渡設さ
れており、且つ可動部材を軸に対する摺動方向と
回動方向とへ駆動する磁気駆動機構が設けられて
いる光学式ピツクアツプの補正駆動装置において
、前記復帰ばねは、前記軸を中心とする対称位置
に対になつて配設されており、且つ各復帰ばねは
、軟質の弾性材料によつて形成された本体部と本
体部の一部を彎曲させた変形部とから成ることを
特徴とする光学式ピツクアツプの補正駆動装置。 A movable member having an objective lens facing the disk is supported so as to be slidable and rotatable about an axis provided parallel to the optical axis of the objective lens, and the fixed part and the movable member are A return spring for maintaining the movable member in a neutral position is provided between the two, and a magnetic drive mechanism is provided for driving the movable member in a sliding direction and a rotating direction relative to the axis. In the pickup correction drive device, the return springs are arranged in pairs at symmetrical positions about the axis, and each return spring is connected to a main body formed of a soft elastic material. What is claimed is: 1. A correction drive device for an optical pickup, characterized by comprising a deformed section in which a part of the main body section is curved.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986034096U JPS62147132U (en) | 1986-03-10 | 1986-03-10 | |
| KR2019860016478U KR900004788Y1 (en) | 1986-03-10 | 1986-10-28 | Operating apparatus for optical pick-up |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986034096U JPS62147132U (en) | 1986-03-10 | 1986-03-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62147132U true JPS62147132U (en) | 1987-09-17 |
Family
ID=30842321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986034096U Pending JPS62147132U (en) | 1986-03-10 | 1986-03-10 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS62147132U (en) |
| KR (1) | KR900004788Y1 (en) |
-
1986
- 1986-03-10 JP JP1986034096U patent/JPS62147132U/ja active Pending
- 1986-10-28 KR KR2019860016478U patent/KR900004788Y1/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| KR870015338U (en) | 1987-10-24 |
| KR900004788Y1 (en) | 1990-05-31 |