JPH044291U - - Google Patents
Info
- Publication number
- JPH044291U JPH044291U JP4537490U JP4537490U JPH044291U JP H044291 U JPH044291 U JP H044291U JP 4537490 U JP4537490 U JP 4537490U JP 4537490 U JP4537490 U JP 4537490U JP H044291 U JPH044291 U JP H044291U
- Authority
- JP
- Japan
- Prior art keywords
- optical
- dust removal
- optical paths
- path
- light receiving
- 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 11
- 239000000428 dust Substances 0.000 claims description 5
Landscapes
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4537490U JPH044291U (cs) | 1990-04-27 | 1990-04-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4537490U JPH044291U (cs) | 1990-04-27 | 1990-04-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH044291U true JPH044291U (cs) | 1992-01-16 |
Family
ID=31559494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4537490U Pending JPH044291U (cs) | 1990-04-27 | 1990-04-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH044291U (cs) |
-
1990
- 1990-04-27 JP JP4537490U patent/JPH044291U/ja active Pending