JPS60183924U - optical information reader - Google Patents
optical information readerInfo
- Publication number
- JPS60183924U JPS60183924U JP7075884U JP7075884U JPS60183924U JP S60183924 U JPS60183924 U JP S60183924U JP 7075884 U JP7075884 U JP 7075884U JP 7075884 U JP7075884 U JP 7075884U JP S60183924 U JPS60183924 U JP S60183924U
- Authority
- JP
- Japan
- Prior art keywords
- optical information
- coil
- objective lens
- shape
- focus
- 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
第１図は従来例によるフォーカスコイルの平面図。第２
図は従来例によるフォーカスコイルの側断面図。第３図
は本考案によるフォーカスコイルの側断面図。第４図は
本考案によるフォーカスコイル及びヨークの形状を示す
斜視図である。
１・・・・・・対物レンズ、２・・・・・・フォーカス
コイル、３・・・・・・ヨーク、４・・・・・・フォー
カスばね、５・・・・・・対物レンズ支持台、１１・・
・・・・対物レンズ支持台、１２・・・・・・フォーカ
スばね、１３・・・・・・対物レンズ、１４・・・・・
・フォーカスコイル枠、１５・・・・・・フォーカスコ
イル、１６・・・・・・磁石、１７・・・・・・ヨーク
である。FIG. 1 is a plan view of a conventional focusing coil. Second
The figure is a side sectional view of a conventional focus coil. FIG. 3 is a side sectional view of the focus coil according to the present invention. FIG. 4 is a perspective view showing the shapes of the focus coil and yoke according to the present invention. 1...Objective lens, 2...Focus coil, 3...Yoke, 4...Focus spring, 5...Objective lens support stand , 11...
...Objective lens support stand, 12...Focus spring, 13...Objective lens, 14...
- Focus coil frame, 15...Focus coil, 16...Magnet, 17...Yoke.
Claims (2)
クチュエータにおいて、フォーカス方向に駆動させるコ
イルが、円形又は長円形に巻かれた偏平形状を有し、前
記コイルが対物レンズの偏位方向に対して平行に立てて
配置されているこを特徴とする光学式情報読み取り装置
。(1) In an actuator having a structure in which the objective lens is deflected in the focus direction, the coil to be driven in the focus direction has a flat shape wound in a circular or oval shape, and the coil is moved in the direction of deflection of the objective lens. An optical information reading device characterized by being arranged in parallel with each other.
スコイルを駆動させるヨークがコ字形をしており、対物
レンズ偏位方向の上面より見たときにコ字形になるよう
に配置され、コ字形の内側に、フォーカスコイルが配置
されていることを特徴とする光学式情報読み取り装置。(2) Utility model registration Claim 1 states that the yoke that drives the focus coil is U-shaped, and is arranged in a U-shape when viewed from above in the direction of deflection of the objective lens. , an optical information reading device characterized in that a focusing coil is arranged inside a U-shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7075884U JPS60183924U (en) | 1984-05-15 | 1984-05-15 | optical information reader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7075884U JPS60183924U (en) | 1984-05-15 | 1984-05-15 | optical information reader |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60183924U true JPS60183924U (en) | 1985-12-06 |
Family
ID=30607632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7075884U Pending JPS60183924U (en) | 1984-05-15 | 1984-05-15 | optical information reader |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60183924U (en) |
-
1984
- 1984-05-15 JP JP7075884U patent/JPS60183924U/en active Pending
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