JPH03110634U - - Google Patents
Info
- Publication number
- JPH03110634U JPH03110634U JP1688090U JP1688090U JPH03110634U JP H03110634 U JPH03110634 U JP H03110634U JP 1688090 U JP1688090 U JP 1688090U JP 1688090 U JP1688090 U JP 1688090U JP H03110634 U JPH03110634 U JP H03110634U
- Authority
- JP
- Japan
- Prior art keywords
- fixed part
- opening
- light
- disk
- extraction
- 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 6
- 238000000605 extraction Methods 0.000 claims description 3
- 238000000926 separation method Methods 0.000 description 1
Landscapes
- Optical Head (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990016880U JP2553035Y2 (ja) | 1990-02-22 | 1990-02-22 | 光学ヘッド装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990016880U JP2553035Y2 (ja) | 1990-02-22 | 1990-02-22 | 光学ヘッド装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH03110634U true JPH03110634U (zh) | 1991-11-13 |
JP2553035Y2 JP2553035Y2 (ja) | 1997-11-05 |
Family
ID=31520122
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1990016880U Expired - Lifetime JP2553035Y2 (ja) | 1990-02-22 | 1990-02-22 | 光学ヘッド装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2553035Y2 (zh) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03127339A (ja) * | 1989-10-13 | 1991-05-30 | Canon Inc | 光学ヘッド |
-
1990
- 1990-02-22 JP JP1990016880U patent/JP2553035Y2/ja not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03127339A (ja) * | 1989-10-13 | 1991-05-30 | Canon Inc | 光学ヘッド |
Also Published As
Publication number | Publication date |
---|---|
JP2553035Y2 (ja) | 1997-11-05 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
EXPY | Cancellation because of completion of term |