JPH03110633U - - Google Patents
Info
- Publication number
- JPH03110633U JPH03110633U JP1907390U JP1907390U JPH03110633U JP H03110633 U JPH03110633 U JP H03110633U JP 1907390 U JP1907390 U JP 1907390U JP 1907390 U JP1907390 U JP 1907390U JP H03110633 U JPH03110633 U JP H03110633U
- Authority
- JP
- Japan
- Prior art keywords
- medium
- optical head
- head device
- converging
- lens
- 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 3
Landscapes
- Optical Head (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1907390U JPH03110633U (fr) | 1990-02-27 | 1990-02-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1907390U JPH03110633U (fr) | 1990-02-27 | 1990-02-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03110633U true JPH03110633U (fr) | 1991-11-13 |
Family
ID=31522210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1907390U Pending JPH03110633U (fr) | 1990-02-27 | 1990-02-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03110633U (fr) |
-
1990
- 1990-02-27 JP JP1907390U patent/JPH03110633U/ja active Pending