JPS6179820U - - Google Patents
Info
- Publication number
- JPS6179820U JPS6179820U JP16435384U JP16435384U JPS6179820U JP S6179820 U JPS6179820 U JP S6179820U JP 16435384 U JP16435384 U JP 16435384U JP 16435384 U JP16435384 U JP 16435384U JP S6179820 U JPS6179820 U JP S6179820U
- Authority
- JP
- Japan
- Prior art keywords
- frame
- control coil
- radial
- jitter
- focus
- 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.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 claims description 3
Landscapes
- Optical Recording Or Reproduction (AREA)
Description
第１図は本案に係る光ピツクアツプを示す斜視
図、第２図はその分解斜視図、第３図は対物レン
ズのフオーカス方向の移動動作を示す側面図、第
４図はそのラジアル方向の移動動作を示す要部正
面図、第５図はそのジツタ方向の移動動作を示す
要部断面図、第６図は従来例を示す概略斜視図で
ある。
１０…アクチユエータベース、１２，１２…平
行板バネ、１３…フレーム、１４，１４，１４…
円柱バネ、１５…レンズホルダ、１６…対物レン
ズ、２０…フオーカス制御用コイル、２１…ラジ
アル制御用コイル、２２…ジツタ制御用コイル、
２３…フオーカス制御用磁気回路、２４，２４…
支柱、２５…取付ベース、２６…ラジアル制御用
磁気回路、２７…ジツタ制御用磁気回路、Ｆ…光
軸。
Fig. 1 is a perspective view showing the optical pickup according to the present invention, Fig. 2 is an exploded perspective view thereof, Fig. 3 is a side view showing the movement of the objective lens in the focus direction, and Fig. 4 is its movement in the radial direction. 5 is a sectional view of the main part showing the movement operation in the jitter direction, and FIG. 6 is a schematic perspective view showing the conventional example. 10... Actuator base, 12, 12... Parallel leaf spring, 13... Frame, 14, 14, 14...
Cylindrical spring, 15... Lens holder, 16... Objective lens, 20... Focus control coil, 21... Radial control coil, 22... Jitter control coil,
23... Magnetic circuit for focus control, 24, 24...
Post, 25...Mounting base, 26...Magnetic circuit for radial control, 27...Magnetic circuit for jitter control, F...Optical axis.
Claims (1)
てフレームをベース面に水平に片持ち支持し、こ
のフレームに立設した円柱バネによつて対物レン
ズを装着したレンズホルダをフレーム面に平行に
支持し、前記フレームにフオーカス制御用コイル
を設け、前記レンズホルダにラジアル制御用コイ
ルとジツタ制御用コイルを設け、この３種のコイ
ルを夫々前記ベース側に設けたフオーカス、ラジ
アル、ジツタ方向の制御用磁気回路の空隙に介入
して組み合わせてなる光ピツクアツプのアクチユ
エータ。 A frame is cantilevered horizontally to the base surface by a parallel plate spring above the actuator base, and a lens holder with an objective lens attached is supported parallel to the frame surface by a cylindrical spring installed upright on the frame. A magnetic circuit for controlling the focus, radial, and jitter directions, wherein the frame is provided with a focus control coil, the lens holder is provided with a radial control coil and a jitter control coil, and each of these three types of coils is provided on the base side. The actuator of the optical pickup is assembled by intervening in the gap between the two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984164353U JPH0424489Y2 (en) | 1984-10-30 | 1984-10-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984164353U JPH0424489Y2 (en) | 1984-10-30 | 1984-10-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6179820U true JPS6179820U (en) | 1986-05-28 |
| JPH0424489Y2 JPH0424489Y2 (en) | 1992-06-10 |
Family
ID=30722215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1984164353U Expired JPH0424489Y2 (en) | 1984-10-30 | 1984-10-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0424489Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5255424A (en) * | 1975-10-31 | 1977-05-06 | Olympus Optical Co Ltd | Information detection head of inforamation reader |
-
1984
- 1984-10-30 JP JP1984164353U patent/JPH0424489Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5255424A (en) * | 1975-10-31 | 1977-05-06 | Olympus Optical Co Ltd | Information detection head of inforamation reader |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0424489Y2 (en) | 1992-06-10 |