JPH0230122U - - Google Patents
Info
- Publication number
- JPH0230122U JPH0230122U JP10865888U JP10865888U JPH0230122U JP H0230122 U JPH0230122 U JP H0230122U JP 10865888 U JP10865888 U JP 10865888U JP 10865888 U JP10865888 U JP 10865888U JP H0230122 U JPH0230122 U JP H0230122U
- Authority
- JP
- Japan
- Prior art keywords
- objective lens
- element plate
- conversion element
- support
- plate
- 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
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000013016 damping Methods 0.000 claims 1
Landscapes
- Mechanical Optical Scanning Systems (AREA)
- Optical Recording Or Reproduction (AREA)
Description
第１図は本考案に係る対物レンズ駆動装置の構
成を示す概略的な斜視図であり、第２図は上記対
物レンズ駆動装置の振動特性のうち周波数―ゲイ
ン特性を示すグラフであり、第３図は上記対物レ
ンズ駆動装置の振動特性のうち周波数―位相回り
特性を示すグラフである。第４図は上記対物レン
ズ駆動装置の構成の他の例を示す概略的な斜視図
である。
５……フオーカス方向用電歪変換素子板、６…
…フオーカス方向用支持板、７，１３……ダンパ
、１２……対物レンズ。
FIG. 1 is a schematic perspective view showing the configuration of the objective lens drive device according to the present invention, FIG. 2 is a graph showing frequency-gain characteristics among the vibration characteristics of the objective lens drive device, and FIG. The figure is a graph showing frequency-phase characteristics among the vibration characteristics of the objective lens driving device. FIG. 4 is a schematic perspective view showing another example of the configuration of the objective lens driving device. 5... Focus direction electrostrictive conversion element plate, 6...
... Focus direction support plate, 7, 13... Damper, 12... Objective lens.
Claims (1)
れぞれ先端部において上記対物レンズを支持する
電歪変換素子板及び支持板と、 上記電歪変換素子板に接触して配設され、上記
電歪変換素子板が生ずる振動を伝達するとともに
該振動エネルギーの損失を生じさせる振動減衰部
材とを備えてなる対物レンズ駆動装置。[Scope of Claim for Utility Model Registration] An objective lens; an electrostrictive conversion element plate and a support plate that are arranged parallel to each other with their base ends fixed, and support the objective lens at their respective distal ends; An objective lens driving device comprising: a vibration damping member disposed in contact with an element plate to transmit vibrations generated by the electrostrictive conversion element plate and to cause loss of vibration energy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10865888U JPH0230122U (en) | 1988-08-18 | 1988-08-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10865888U JPH0230122U (en) | 1988-08-18 | 1988-08-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0230122U true JPH0230122U (en) | 1990-02-26 |
Family
ID=31344200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10865888U Pending JPH0230122U (en) | 1988-08-18 | 1988-08-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0230122U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61134934A (en) * | 1984-12-04 | 1986-06-23 | Toshiba Corp | Object lens driving mechanism of optical recording and reproducing device |
-
1988
- 1988-08-18 JP JP10865888U patent/JPH0230122U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61134934A (en) * | 1984-12-04 | 1986-06-23 | Toshiba Corp | Object lens driving mechanism of optical recording and reproducing device |