JPH0366032U - - Google Patents
Info
- Publication number
- JPH0366032U JPH0366032U JP12819489U JP12819489U JPH0366032U JP H0366032 U JPH0366032 U JP H0366032U JP 12819489 U JP12819489 U JP 12819489U JP 12819489 U JP12819489 U JP 12819489U JP H0366032 U JPH0366032 U JP H0366032U
- Authority
- JP
- Japan
- Prior art keywords
- movable part
- support
- voice coil
- optical axis
- axis direction
- 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 3
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Optical Recording Or Reproduction (AREA)
Description
第1図Aは本考案に係るレンズ駆動装置におけ
る可動部と板ばねとの関係を示す簡略図、第1図
Bは第1図Aにおける上面図、第2図は一般的な
カツテイング装置の光学系を示す図、第3図Aは
一般的なレンズ駆動装置を示す上面図、第3図B
は第3図AにおけるB−B断面図、第4図A,B
は従来のレンズ駆動装置における可動部と板ばね
との関係を示す簡略図である。
5…集光レンズ、8…レンズ駆動装置、9…可
動部、10…固定部、13…ボイスコイル、16
…磁極部、a1,a2,b1,b2,c1,c2
…支持位置、18a,18b…板ばね(支持部材
)。
FIG. 1A is a simplified diagram showing the relationship between the movable part and the leaf spring in the lens driving device according to the present invention, FIG. 1B is a top view of FIG. 1A, and FIG. 2 is an optical diagram of a general cutting device. A diagram showing the system, Fig. 3A is a top view showing a general lens driving device, Fig. 3B
are BB sectional views in Figure 3A, Figures 4A and B
1 is a simplified diagram showing the relationship between a movable part and a leaf spring in a conventional lens driving device. 5... Condenser lens, 8... Lens drive device, 9... Movable part, 10... Fixed part, 13... Voice coil, 16
...Magnetic pole part, a 1 , a 2 , b 1 , b 2 , c 1 , c 2
... Support position, 18a, 18b... Leaf spring (support member).
Claims (1)
ズと駆動用のボイスコイルを具備してなる可動部
と、前記ボイスコイルと協働する磁極部を有する
固定部と、前記可動部と前記固定部とを互いに連
結し、且つ、前記ビームの光軸方向に弾性変位可
能に支持する複数個の支持部材とを有するレンズ
駆動装置において、 複数個の前記支持部材によつて支持される前記
可動部の支持位置の内、一の支持部材の支持位置
に対して他の支持部材の支持位置を前記可動部の
光軸方向に対して互いに対応しない位置関係とし
たことを特徴とするレンズ駆動装置。[Claims for Utility Model Registration] A movable part comprising a condensing lens that condenses a beam emitted from a light source and a voice coil for driving, and a fixed part having a magnetic pole part that cooperates with the voice coil. , a lens driving device having a plurality of support members that connect the movable part and the fixed part to each other and support the beam so as to be elastically displaceable in the optical axis direction of the beam, Among the support positions of the movable part supported by the movable part, the support position of one support member and the support position of the other support member are set in a positional relationship that does not correspond to each other in the optical axis direction of the movable part. Characteristic lens drive device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12819489U JPH0366032U (en) | 1989-10-31 | 1989-10-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12819489U JPH0366032U (en) | 1989-10-31 | 1989-10-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0366032U true JPH0366032U (en) | 1991-06-27 |
Family
ID=31675913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12819489U Pending JPH0366032U (en) | 1989-10-31 | 1989-10-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0366032U (en) |
-
1989
- 1989-10-31 JP JP12819489U patent/JPH0366032U/ja active Pending