JPS6428520U - - Google Patents
Info
- Publication number
- JPS6428520U JPS6428520U JP12056787U JP12056787U JPS6428520U JP S6428520 U JPS6428520 U JP S6428520U JP 12056787 U JP12056787 U JP 12056787U JP 12056787 U JP12056787 U JP 12056787U JP S6428520 U JPS6428520 U JP S6428520U
- Authority
- JP
- Japan
- Prior art keywords
- processing device
- optical card
- objective lens
- card processing
- optical system
- 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 10
- 238000010586 diagram Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 1
Landscapes
- Optical Recording Or Reproduction (AREA)
Description
第１図はこの考案にかかる光カード処理装置の
構成例を示す概略図、第２図はこの考案の一実施
例にかかるレンズ駆動装置の一例を示す縦断面図
、第３図はレンズ駆動装置の従来例を示す断面図
、第４図は光カードの一例の斜視図、第５図は従
来のレンズ駆動装置の伝達特性を示す図、第６図
はレンズ駆動装置に対する入力電圧とレンズ変位
の関係を示す図である。
２…光学ヘツド、２１…光源、２５…対物レン
ズ、４…弾性部材。
FIG. 1 is a schematic diagram showing a configuration example of an optical card processing device according to this invention, FIG. 2 is a longitudinal sectional view showing an example of a lens driving device according to an embodiment of this invention, and FIG. 3 is a lens driving device. 4 is a perspective view of an example of an optical card, FIG. 5 is a diagram showing the transfer characteristics of a conventional lens drive device, and FIG. 6 is a diagram showing the input voltage to the lens drive device and the lens displacement. It is a figure showing a relationship. 2... Optical head, 21... Light source, 25... Objective lens, 4... Elastic member.
Claims (1)
物レンズと、対物レンズをレンズ焦点方向に移動
するレンズ駆動装置とを有する光学系により光を
照射して、光学的に情報の記録および再生を行う
光カード処理装置において、前記対物レンズは、
弾性部材により光学系に支持されて成る光カード
処理装置。 弾性部材は、平行バネである実用新案登録請
求の範囲第１項記載の光カード処理装置。[Scope of Claim for Utility Model Registration] An optical system that irradiates an optical card with light using an optical system that includes an objective lens that focuses light from a light source and a lens drive device that moves the objective lens in the direction of the lens focal point. In an optical card processing device that records and reproduces information, the objective lens includes:
An optical card processing device supported by an optical system by an elastic member. The optical card processing device according to claim 1, wherein the elastic member is a parallel spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12056787U JPS6428520U (en) | 1987-08-06 | 1987-08-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12056787U JPS6428520U (en) | 1987-08-06 | 1987-08-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6428520U true JPS6428520U (en) | 1989-02-20 |
Family
ID=31366792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12056787U Pending JPS6428520U (en) | 1987-08-06 | 1987-08-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6428520U (en) |
-
1987
- 1987-08-06 JP JP12056787U patent/JPS6428520U/ja active Pending
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