JPS60146925U - optical information reader - Google Patents
optical information readerInfo
- Publication number
- JPS60146925U JPS60146925U JP3203784U JP3203784U JPS60146925U JP S60146925 U JPS60146925 U JP S60146925U JP 3203784 U JP3203784 U JP 3203784U JP 3203784 U JP3203784 U JP 3203784U JP S60146925 U JPS60146925 U JP S60146925U
- Authority
- JP
- Japan
- Prior art keywords
- arm
- objective lens
- coil
- optical information
- holds
- 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：磁気回路が２ケある従来例、第２図：フォーカ
スコイルとトラックコイルが重なっている従来例、第３
図二本考案による実施例の側断面シニｒ゛・′″１゛°
″′５″″′°″“′９゜１′・・・対物レンズ、２・
・・フォーカスコイル、３・・・ ゛フォーカスヨ
ーク、４・・・フォーカスばね、５・丁ト。Figure 1: Conventional example with two magnetic circuits, Figure 2: Conventional example where the focus coil and track coil overlap, Figure 3
Figure 2 Side cross section of the embodiment according to the present invention
″′5″″′°″″′9゜1′...Objective lens, 2.
... Focus coil, 3... Focus yoke, 4... Focus spring, 5.
Claims (1)
ているアームと、アームの一端を回転自在に保持する床
板と、一端がアームに固定され反対の、 一端で対物
レンズを保持するばねと、アームを中央に保持するばね
と、対物レンズを光軸方向に駆動するフォーカスコイル
と、アームを床板！こ対して平行駆動するトラックコイ
ルと、各々のコイルを駆動するためのヨークとから、な
るものにおいて、１つのヨークにより形成されるギャッ
プ内にトラックコイルと、フォーカスコイルが重なるこ
゛となしに独立して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。,' an arm equipped with an objective lens and optical components other than the objective lens, a floor plate that rotatably holds one end of the arm, and a spring that is fixed to the arm at one end and holds the objective lens at the other end. , a spring that holds the arm in the center, a focus coil that drives the objective lens in the direction of the optical axis, and a floor plate that connects the arm! On the other hand, in a device consisting of a track coil driven in parallel and a yoke for driving each coil, the track coil and focus coil are independent without overlapping within the gap formed by one yoke. An optical information reading device characterized in that:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3203784U JPS60146925U (en) | 1984-03-06 | 1984-03-06 | optical information reader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3203784U JPS60146925U (en) | 1984-03-06 | 1984-03-06 | optical information reader |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60146925U true JPS60146925U (en) | 1985-09-30 |
Family
ID=30533183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3203784U Pending JPS60146925U (en) | 1984-03-06 | 1984-03-06 | optical information reader |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60146925U (en) |
-
1984
- 1984-03-06 JP JP3203784U patent/JPS60146925U/en active Pending
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