JPH03114082U - - Google Patents
Info
- Publication number
- JPH03114082U JPH03114082U JP2397290U JP2397290U JPH03114082U JP H03114082 U JPH03114082 U JP H03114082U JP 2397290 U JP2397290 U JP 2397290U JP 2397290 U JP2397290 U JP 2397290U JP H03114082 U JPH03114082 U JP H03114082U
- Authority
- JP
- Japan
- Prior art keywords
- detection device
- optical
- article
- area
- passage
- 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 5
- 238000001514 detection method Methods 0.000 claims description 4
- 239000013307 optical fiber Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Geophysics And Detection Of Objects (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2397290U JPH03114082U (en]) | 1990-03-09 | 1990-03-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2397290U JPH03114082U (en]) | 1990-03-09 | 1990-03-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03114082U true JPH03114082U (en]) | 1991-11-22 |
Family
ID=31526953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2397290U Pending JPH03114082U (en]) | 1990-03-09 | 1990-03-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03114082U (en]) |
-
1990
- 1990-03-09 JP JP2397290U patent/JPH03114082U/ja active Pending