JPH0292590U - - Google Patents
Info
- Publication number
- JPH0292590U JPH0292590U JP17189U JP17189U JPH0292590U JP H0292590 U JPH0292590 U JP H0292590U JP 17189 U JP17189 U JP 17189U JP 17189 U JP17189 U JP 17189U JP H0292590 U JPH0292590 U JP H0292590U
- Authority
- JP
- Japan
- Prior art keywords
- detection means
- shading
- detecting
- infrared
- detected
- 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 18
- 230000005855 radiation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 239000013307 optical fiber Substances 0.000 description 1
Landscapes
- Audible And Visible Signals (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17189U JPH0292590U (ru) | 1989-01-06 | 1989-01-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17189U JPH0292590U (ru) | 1989-01-06 | 1989-01-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0292590U true JPH0292590U (ru) | 1990-07-23 |
Family
ID=31198965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17189U Pending JPH0292590U (ru) | 1989-01-06 | 1989-01-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0292590U (ru) |
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1989
- 1989-01-06 JP JP17189U patent/JPH0292590U/ja active Pending