JPH0366029U - - Google Patents
Info
- Publication number
- JPH0366029U JPH0366029U JP12392989U JP12392989U JPH0366029U JP H0366029 U JPH0366029 U JP H0366029U JP 12392989 U JP12392989 U JP 12392989U JP 12392989 U JP12392989 U JP 12392989U JP H0366029 U JPH0366029 U JP H0366029U
- Authority
- JP
- Japan
- Prior art keywords
- movable part
- voice coil
- lens
- magnetic
- movable
- 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 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Optical Recording Or Reproduction (AREA)
- Manufacturing Optical Record Carriers (AREA)
Description
第１図Ａは本考案に係るレンズ駆動装置の第１
の実施例を示す上面図、第１図Ｂは同図Ａにおけ
るＢ−Ｂ断面図、第２図Ａは本考案に係るレンズ
駆動装置の第２の実施例を示す上面図、同図Ｂは
同図ＡにおけるＣ−Ｃ断面図、第３図は一般的な
カツテイング装置の光学系を示す図、第４図Ａは
従来のレンズ駆動装置を示す上面図、同図Ｂは同
図ＡにおけるＡ−Ａ断面図である。
５…集光レンズ、９…可動部、１０…固定部、
１１…レンズユニツト、１３…ボイスコイル、１
６…磁極部、１６ａ，１６ｃ…ヨーク、１６ｂ…
マグネツト、１９…レズ駆動装置、２０…マグネ
ツト（磁気部）、２１…マグネツト（磁気部）。
FIG. 1A shows the first lens drive device according to the present invention.
FIG. 1B is a sectional view taken along line B-B in FIG. 3 is a diagram showing the optical system of a general cutting device, FIG. 4 A is a top view showing a conventional lens driving device, and FIG. -A sectional view. 5... Condensing lens, 9... Movable part, 10... Fixed part,
11...Lens unit, 13...Voice coil, 1
6...Magnetic pole part, 16a, 16c...Yoke, 16b...
Magnet, 19...Lesbian drive device, 20...Magnet (magnetic section), 21...Magnet (magnetic section).
Claims (1)
ズを備えたレンズユニツト及びボイスコイルを有
する可動部と、前記ボイスコイルと協働する磁極
部を有して前記可動部を前記ビームの光軸方向に
弾性変位自在に支持した固定部とから構成された
レンズ駆動装置において、 前記可動部及び前記固定部の少なくとも一方に
磁気部を形成して、前記可動部を光軸方向に付勢
してなることを特徴とするレンズ駆動装置。[Claims for Utility Model Registration] A lens unit having a condensing lens that condenses a beam emitted from a light source, a movable part having a voice coil, and a magnetic pole part cooperating with the voice coil, and a fixed part that supports the part so as to be elastically displaceable in the direction of the optical axis of the beam, wherein a magnetic part is formed in at least one of the movable part and the fixed part, so that the movable part is driven by light. A lens driving device characterized by being biased in the axial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12392989U JPH0366029U (en) | 1989-10-23 | 1989-10-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12392989U JPH0366029U (en) | 1989-10-23 | 1989-10-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0366029U true JPH0366029U (en) | 1991-06-27 |
Family
ID=31671879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12392989U Pending JPH0366029U (en) | 1989-10-23 | 1989-10-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0366029U (en) |
-
1989
- 1989-10-23 JP JP12392989U patent/JPH0366029U/ja active Pending