JPH01138212U - - Google Patents
Info
- Publication number
- JPH01138212U JPH01138212U JP3106388U JP3106388U JPH01138212U JP H01138212 U JPH01138212 U JP H01138212U JP 3106388 U JP3106388 U JP 3106388U JP 3106388 U JP3106388 U JP 3106388U JP H01138212 U JPH01138212 U JP H01138212U
- Authority
- JP
- Japan
- Prior art keywords
- photodetector
- objective lens
- optical
- circular portion
- light
- 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 9
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3106388U JPH01138212U (ko) | 1988-03-09 | 1988-03-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3106388U JPH01138212U (ko) | 1988-03-09 | 1988-03-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01138212U true JPH01138212U (ko) | 1989-09-21 |
Family
ID=31256654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3106388U Pending JPH01138212U (ko) | 1988-03-09 | 1988-03-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01138212U (ko) |
-
1988
- 1988-03-09 JP JP3106388U patent/JPH01138212U/ja active Pending