JPH0235327U - - Google Patents
Info
- Publication number
- JPH0235327U JPH0235327U JP11228388U JP11228388U JPH0235327U JP H0235327 U JPH0235327 U JP H0235327U JP 11228388 U JP11228388 U JP 11228388U JP 11228388 U JP11228388 U JP 11228388U JP H0235327 U JPH0235327 U JP H0235327U
- Authority
- JP
- Japan
- Prior art keywords
- lens holder
- tracking
- correction direction
- focusing
- correction
- 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 6
- 238000004804 winding Methods 0.000 claims description 3
- 239000000758 substrate Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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図は本考案の第１実施例による光ピツ
クアツプの補正駆動装置を示す平面図、第２図は
第１実施例におけるボビンの斜視図、第３図は第
１実施例においてボビンにコイルを巻付ける作業
を示す断面図、第４図は本考案の第２実施例を示
す光ピツクアツプの補正駆動装置を示す斜視図、
第５図は第２実施例におけるフレキシブル基板を
示す平面図、第６図は本考案の第３実施例におけ
るボビンの取り付け状態を示す分解斜視図、第７
図は第６図の実施例の側面図、第８図は第３実施
例の変形例を示す側面図、第９図は従来の光ピツ
クアツプの補正駆動装置を示す平面図である。
１……レンズホルダ、２……対物レンズ、３…
…弾性支持部材、１４……フオーカシングコイル
、１５……トラツキングコイル、１６……マグネ
ツト、２０，４０……ボビン、２２，４１，４２
……巻軸、３０……フレキシブル基板。
1 to 8 show embodiments of the present invention. FIG. 1 is a plan view showing a correction drive device for an optical pickup according to a first embodiment of the present invention, and FIG. 2 is a diagram showing the first embodiment. 3 is a sectional view showing the work of winding a coil around the bobbin in the first embodiment, and FIG. 4 is a perspective view showing a correction drive device for an optical pickup according to the second embodiment of the present invention. ,
FIG. 5 is a plan view showing the flexible substrate in the second embodiment, FIG. 6 is an exploded perspective view showing the attachment state of the bobbin in the third embodiment of the present invention, and FIG.
6 is a side view of the embodiment shown in FIG. 6, FIG. 8 is a side view showing a modification of the third embodiment, and FIG. 9 is a plan view showing a conventional correction drive device for an optical pickup. 1...Lens holder, 2...Objective lens, 3...
...Elastic support member, 14...Focusing coil, 15...Tracking coil, 16...Magnet, 20, 40...Bobbin, 22, 41, 42
... Winding shaft, 30 ... Flexible substrate.
Claims (1)
物レンズの光軸に沿うフオーカシング補正方向な
らびに光軸に直交するトラツキング補正方向へ動
作自在に支持されており、且つレンズホルダには
レンズホルダをフオーカシング補正方向へ駆動す
るフオーカシングコイルならびにレンズホルダを
トラツキング補正方向へ駆動するトラツキングコ
イルが搭載されており、固定側には上記各コイル
に対向するマグネツトが設けられている光ピツク
アツプの補正駆動装置において、一対の巻軸を有
するボビンの各々の巻軸に対して導電線が巻付け
られて一対のトラツキングコイルが形成されてお
り且つ、このボビンがレンズホルダに固定されて
いることを特徴とする光ピツクアツプの補正駆動
装置。 A lens holder holding an objective lens is supported so as to be movable in a focusing correction direction along the optical axis of the objective lens and in a tracking correction direction perpendicular to the optical axis, and the lens holder holds the lens holder in a focusing correction direction. A correction drive device for an optical pickup, which is equipped with a focusing coil that drives a lens holder in a tracking correction direction and a tracking coil that drives a lens holder in a tracking correction direction, and a fixed side is provided with a magnet that faces each of the coils. A bobbin having a pair of winding shafts, each of which is wound with a conductive wire to form a pair of tracking coils, and the bobbin is fixed to a lens holder. Pick-up correction drive device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11228388U JPH0235327U (en) | 1988-08-26 | 1988-08-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11228388U JPH0235327U (en) | 1988-08-26 | 1988-08-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0235327U true JPH0235327U (en) | 1990-03-07 |
Family
ID=31351081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11228388U Pending JPH0235327U (en) | 1988-08-26 | 1988-08-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0235327U (en) |
-
1988
- 1988-08-26 JP JP11228388U patent/JPH0235327U/ja active Pending