JPH0175209U - - Google Patents
Info
- Publication number
- JPH0175209U JPH0175209U JP1987170645U JP17064587U JPH0175209U JP H0175209 U JPH0175209 U JP H0175209U JP 1987170645 U JP1987170645 U JP 1987170645U JP 17064587 U JP17064587 U JP 17064587U JP H0175209 U JPH0175209 U JP H0175209U
- Authority
- JP
- Japan
- Prior art keywords
- light
- lens
- subject
- light beam
- distance
- 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
- 238000001514 detection method Methods 0.000 claims description 6
- 230000004907 flux Effects 0.000 claims description 2
- 238000005259 measurement Methods 0.000 claims 2
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987170645U JPH0175209U (zh) | 1987-11-10 | 1987-11-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987170645U JPH0175209U (zh) | 1987-11-10 | 1987-11-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0175209U true JPH0175209U (zh) | 1989-05-22 |
Family
ID=31461768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987170645U Pending JPH0175209U (zh) | 1987-11-10 | 1987-11-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0175209U (zh) |
-
1987
- 1987-11-10 JP JP1987170645U patent/JPH0175209U/ja active Pending
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