JPS60183923U - optical information reader - Google Patents
optical information readerInfo
- Publication number
- JPS60183923U JPS60183923U JP7075784U JP7075784U JPS60183923U JP S60183923 U JPS60183923 U JP S60183923U JP 7075784 U JP7075784 U JP 7075784U JP 7075784 U JP7075784 U JP 7075784U JP S60183923 U JPS60183923 U JP S60183923U
- Authority
- JP
- Japan
- Prior art keywords
- track
- optical information
- information reader
- objective lens
- section
- 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図は従来例によるトラックコイルの側断面図、第２
図は従来例によるトラックコイルの斜視図。第３図は本
考案による実施例の側断面図。第４図は本考案による実
施例のコイル枠部分の斜視図。第５図は本考案による実
施例のヨーク部分の斜視図。−第６図は本考案による実
施例のヨークの分解斜視図である。
１・・・・・・ヨーク、２・・・・・・トラックコイル
、３−−−−−一対物レンズ、４・・・・・・フォーカ
スばね、５・・・・・・トラックコイル支持枠、６・・
・・・・シャーシ、７・・・・・・トラックばね、１１
・・・・・・シャーシ、１２・・・・・・トラックばね
、１３・・・・・・トラックコイル支持枠、１４・・・
・・・フォーカスばね、１５・・・・・・対物レンズ、
１６・・・・・・トラックコイル、１７・・・・・・外
ヨーク、１８・・・・・・内ヨーク、１９・・・・・・
永久磁石である。Figure 1 is a side sectional view of a conventional track coil;
The figure is a perspective view of a conventional track coil. FIG. 3 is a side sectional view of an embodiment according to the present invention. FIG. 4 is a perspective view of the coil frame portion of the embodiment according to the present invention. FIG. 5 is a perspective view of the yoke portion of the embodiment according to the present invention. - FIG. 6 is an exploded perspective view of a yoke according to an embodiment of the present invention. 1...Yoke, 2...Track coil, 3...One objective lens, 4...Focus spring, 5...Track coil support frame , 6...
...Chassis, 7...Track spring, 11
... Chassis, 12 ... Track spring, 13 ... Track coil support frame, 14 ...
...Focus spring, 15...Objective lens,
16...Track coil, 17...Outer yoke, 18...Inner yoke, 19...
It is a permanent magnet.
Claims (1)
ることにより、光ディスクと情報を記録再生するものに
おいて、トラック動作方向を軸として四角断面を有する
トラックコイルと、前記トラックコイルの３位に近接す
るように断面がコ字形をしたヨークとからなることを特
徴とする光学式情報読み取り装置。By deflecting the objective lens in the focus direction and the track direction, in a device that records and reproduces information on an optical disk, the objective lens is moved closer to the third position of the track coil and the track coil having a square cross section with the track operation direction as the axis. An optical information reading device characterized by comprising a yoke having a U-shaped cross section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7075784U JPS60183923U (en) | 1984-05-15 | 1984-05-15 | optical information reader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7075784U JPS60183923U (en) | 1984-05-15 | 1984-05-15 | optical information reader |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60183923U true JPS60183923U (en) | 1985-12-06 |
Family
ID=30607630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7075784U Pending JPS60183923U (en) | 1984-05-15 | 1984-05-15 | optical information reader |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60183923U (en) |
-
1984
- 1984-05-15 JP JP7075784U patent/JPS60183923U/en active Pending
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