JPH0250823U - - Google Patents
Info
- Publication number
- JPH0250823U JPH0250823U JP12896188U JP12896188U JPH0250823U JP H0250823 U JPH0250823 U JP H0250823U JP 12896188 U JP12896188 U JP 12896188U JP 12896188 U JP12896188 U JP 12896188U JP H0250823 U JPH0250823 U JP H0250823U
- Authority
- JP
- Japan
- Prior art keywords
- objective lens
- small hole
- optical pickup
- inspection device
- diaphragm
- 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 5
- 238000007689 inspection Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
Landscapes
- Testing Of Optical Devices Or Fibers (AREA)
- Optical Head (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12896188U JPH0648574Y2 (ja) | 1988-09-30 | 1988-09-30 | 光ピックアップ検査装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12896188U JPH0648574Y2 (ja) | 1988-09-30 | 1988-09-30 | 光ピックアップ検査装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0250823U true JPH0250823U (fr) | 1990-04-10 |
| JPH0648574Y2 JPH0648574Y2 (ja) | 1994-12-12 |
Family
ID=31382787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12896188U Expired - Lifetime JPH0648574Y2 (ja) | 1988-09-30 | 1988-09-30 | 光ピックアップ検査装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0648574Y2 (fr) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009224014A (ja) * | 2008-02-20 | 2009-10-01 | Sanyo Electric Co Ltd | 対物レンズ駆動装置の検査方法、検査装置 |
| WO2011158920A1 (fr) * | 2010-06-16 | 2011-12-22 | 三洋電機株式会社 | Procédé d'essai d'un dispositif d'entraînement de lentille d'objectif |
-
1988
- 1988-09-30 JP JP12896188U patent/JPH0648574Y2/ja not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009224014A (ja) * | 2008-02-20 | 2009-10-01 | Sanyo Electric Co Ltd | 対物レンズ駆動装置の検査方法、検査装置 |
| WO2011158920A1 (fr) * | 2010-06-16 | 2011-12-22 | 三洋電機株式会社 | Procédé d'essai d'un dispositif d'entraînement de lentille d'objectif |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0648574Y2 (ja) | 1994-12-12 |
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