JPS5856334U - Optical information reading device - Google Patents
Optical information reading deviceInfo
- Publication number
- JPS5856334U JPS5856334U JP14947381U JP14947381U JPS5856334U JP S5856334 U JPS5856334 U JP S5856334U JP 14947381 U JP14947381 U JP 14947381U JP 14947381 U JP14947381 U JP 14947381U JP S5856334 U JPS5856334 U JP S5856334U
- Authority
- JP
- Japan
- Prior art keywords
- recording medium
- reading device
- optical
- information recording
- optical information
- 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図は従来の光情報読出−し装置の概略図、第、２図
は光情報読出１部の詳細図、第３図は従来装置における
リングバネの一例を示す図、第４図は本考案の光情報読
出し装置におけるリングバネの −形状を示す図、第
５図は第４図におけるリングバネの断面図である。
１・・・情報板、２・・・情報板駆動機構、３・・・ト
ラック、４・・・対物レンズ、５・・・自動焦点用駆動
機構、〜１０・・・トラック方向アクチュエータ、１１
・・・光学再生手段、１２・・・対物レンズ系、１４・
・・リングバネ。
入 ＼ −−
１４ｂ ”−“FIG. 1 is a schematic diagram of a conventional optical information reading device, FIGS. 5 is a sectional view of the ring spring in FIG. 4. FIG. 5 is a cross-sectional view of the ring spring in FIG. DESCRIPTION OF SYMBOLS 1... Information board, 2... Information board drive mechanism, 3... Track, 4... Objective lens, 5... Auto focus drive mechanism, ~10... Track direction actuator, 11
... optical reproducing means, 12 ... objective lens system, 14.
・Ring spring. Enter ＼ -- 14b "-"
Claims (1)
が一周あたりほぼ同じ密度で記録された光学的情報記録
媒体と、該情報記録媒体上に上記光源からの光束を照射
ビームとして導く光学的手段と、該照射ビームと上記情
報記録媒体とを相対的に移動する手段と、上記情報記録
媒体からの情報再生光を検出する手段とよりなる光情報
読出し装置において、上記光学的手段を支持するりング
バネの板厚を可変断面としたことを特徴とする光情報読
出し装置。A light source, an optical information recording medium on which information is recorded in a circular or spiral manner around a certain point at approximately the same density per revolution, and a light beam from the light source is guided onto the information recording medium as an irradiation beam. An optical information reading device comprising an optical means, a means for relatively moving the irradiation beam and the information recording medium, and a means for detecting information reproducing light from the information recording medium, the optical means comprising: An optical information reading device characterized in that a supporting ring spring has a variable cross-section thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14947381U JPS5856334U (en) | 1981-10-09 | 1981-10-09 | Optical information reading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14947381U JPS5856334U (en) | 1981-10-09 | 1981-10-09 | Optical information reading device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5856334U true JPS5856334U (en) | 1983-04-16 |
Family
ID=29942241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14947381U Pending JPS5856334U (en) | 1981-10-09 | 1981-10-09 | Optical information reading device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5856334U (en) |
-
1981
- 1981-10-09 JP JP14947381U patent/JPS5856334U/en active Pending
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