JPH046818U - - Google Patents
Info
- Publication number
- JPH046818U JPH046818U JP4573990U JP4573990U JPH046818U JP H046818 U JPH046818 U JP H046818U JP 4573990 U JP4573990 U JP 4573990U JP 4573990 U JP4573990 U JP 4573990U JP H046818 U JPH046818 U JP H046818U
- Authority
- JP
- Japan
- Prior art keywords
- objective lens
- cylindrical
- holding member
- groove
- cylindrical groove
- 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 6
- 230000001105 regulatory effect Effects 0.000 claims 2
- 239000000853 adhesive Substances 0.000 claims 1
- 230000001070 adhesive effect Effects 0.000 claims 1
- 230000004323 axial length Effects 0.000 claims 1
Landscapes
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4573990U JPH046818U (zh) | 1990-04-28 | 1990-04-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4573990U JPH046818U (zh) | 1990-04-28 | 1990-04-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH046818U true JPH046818U (zh) | 1992-01-22 |
Family
ID=31560183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4573990U Pending JPH046818U (zh) | 1990-04-28 | 1990-04-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH046818U (zh) |
-
1990
- 1990-04-28 JP JP4573990U patent/JPH046818U/ja active Pending