JPS5941313U - Objective lens drive device - Google Patents
Objective lens drive deviceInfo
- Publication number
- JPS5941313U JPS5941313U JP13484782U JP13484782U JPS5941313U JP S5941313 U JPS5941313 U JP S5941313U JP 13484782 U JP13484782 U JP 13484782U JP 13484782 U JP13484782 U JP 13484782U JP S5941313 U JPS5941313 U JP S5941313U
- Authority
- JP
- Japan
- Prior art keywords
- objective lens
- drive device
- lens drive
- air chamber
- barrel
- 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
Landscapes
- Optical Recording Or Reproduction (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
図面は本考案の一実施例が示され、第１図は対物レンズ
駆動装置の断面側面図、第２図は通気孔の孔径が適正な
場合の周波数−振幅の特性曲線図、第３図は同孔径が大
き過ぎる場合の周波数−振幅の特性曲線図、第４図は同
孔径が小径の場合の周波数−振幅の特性曲線図である。
２・・・ガイド筒体、３・・・対物レンズ筒体、４・・
・対物レンズ、７・・・空気室、１３・・・通気孔。The drawings show an embodiment of the present invention; FIG. 1 is a cross-sectional side view of the objective lens driving device, FIG. 2 is a frequency-amplitude characteristic curve when the diameter of the vent hole is appropriate, and FIG. FIG. 4 is a frequency-amplitude characteristic curve diagram when the hole diameter is too large. FIG. 4 is a frequency-amplitude characteristic curve diagram when the hole diameter is too small. 2... Guide barrel, 3... Objective lens barrel, 4...
- Objective lens, 7...Air chamber, 13...Vent hole.
Claims (1)
筒体を摺動可能に支持したガイド筒体との間に密閉状の
空気室を形成し、該空気室の一部に通気孔を穿設したこ
とを特徴とする対物レンズ駆動装置。A sealed air chamber is formed between an objective lens barrel to which an objective lens is fixed and a guide barrel that slidably supports the objective lens barrel, and a ventilation hole is formed in a part of the air chamber. An objective lens driving device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13484782U JPS5941313U (en) | 1982-09-07 | 1982-09-07 | Objective lens drive device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13484782U JPS5941313U (en) | 1982-09-07 | 1982-09-07 | Objective lens drive device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5941313U true JPS5941313U (en) | 1984-03-16 |
Family
ID=30303722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13484782U Pending JPS5941313U (en) | 1982-09-07 | 1982-09-07 | Objective lens drive device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5941313U (en) |
-
1982
- 1982-09-07 JP JP13484782U patent/JPS5941313U/en active Pending
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