JPH03124330U - - Google Patents
Info
- Publication number
- JPH03124330U JPH03124330U JP3460390U JP3460390U JPH03124330U JP H03124330 U JPH03124330 U JP H03124330U JP 3460390 U JP3460390 U JP 3460390U JP 3460390 U JP3460390 U JP 3460390U JP H03124330 U JPH03124330 U JP H03124330U
- Authority
- JP
- Japan
- Prior art keywords
- lens
- central portion
- optical pick
- view
- excluding
- 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
- 230000003287 optical effect Effects 0.000 claims description 10
- 238000004140 cleaning Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 1
Landscapes
- Lens Barrels (AREA)
- Optical Head (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3460390U JPH03124330U (zh) | 1990-03-29 | 1990-03-29 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3460390U JPH03124330U (zh) | 1990-03-29 | 1990-03-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH03124330U true JPH03124330U (zh) | 1991-12-17 |
Family
ID=31539223
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3460390U Pending JPH03124330U (zh) | 1990-03-29 | 1990-03-29 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH03124330U (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004029947A1 (ja) * | 2002-09-30 | 2004-04-08 | Pioneer Corporation | 光ディスク再生装置、対物レンズ、保護部材および光ディスク再生方法 |
JP5057298B2 (ja) * | 2009-09-30 | 2012-10-24 | コニカミノルタアドバンストレイヤー株式会社 | 対物レンズ及び光ピックアップ装置 |
-
1990
- 1990-03-29 JP JP3460390U patent/JPH03124330U/ja active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004029947A1 (ja) * | 2002-09-30 | 2004-04-08 | Pioneer Corporation | 光ディスク再生装置、対物レンズ、保護部材および光ディスク再生方法 |
JP5057298B2 (ja) * | 2009-09-30 | 2012-10-24 | コニカミノルタアドバンストレイヤー株式会社 | 対物レンズ及び光ピックアップ装置 |