JPH02101316U - - Google Patents
Info
- Publication number
- JPH02101316U JPH02101316U JP1007789U JP1007789U JPH02101316U JP H02101316 U JPH02101316 U JP H02101316U JP 1007789 U JP1007789 U JP 1007789U JP 1007789 U JP1007789 U JP 1007789U JP H02101316 U JPH02101316 U JP H02101316U
- Authority
- JP
- Japan
- Prior art keywords
- section
- objective lens
- lens actuator
- optical
- 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.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 claims description 24
- 238000001514 detection method Methods 0.000 claims 3
- 230000005484 gravity Effects 0.000 claims 2
- 230000007935 neutral effect Effects 0.000 claims 1
- 239000004065 semiconductor Substances 0.000 claims 1
Landscapes
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1007789U JPH0648569Y2 (ja) | 1989-01-31 | 1989-01-31 | 光ヘッドにおける対物レンズアクチュエータ部の高さ制御装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1007789U JPH0648569Y2 (ja) | 1989-01-31 | 1989-01-31 | 光ヘッドにおける対物レンズアクチュエータ部の高さ制御装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02101316U true JPH02101316U (enExample) | 1990-08-13 |
| JPH0648569Y2 JPH0648569Y2 (ja) | 1994-12-12 |
Family
ID=31217414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1007789U Expired - Lifetime JPH0648569Y2 (ja) | 1989-01-31 | 1989-01-31 | 光ヘッドにおける対物レンズアクチュエータ部の高さ制御装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0648569Y2 (enExample) |
-
1989
- 1989-01-31 JP JP1007789U patent/JPH0648569Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0648569Y2 (ja) | 1994-12-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |