JPH02147650U - - Google Patents
Info
- Publication number
- JPH02147650U JPH02147650U JP5414489U JP5414489U JPH02147650U JP H02147650 U JPH02147650 U JP H02147650U JP 5414489 U JP5414489 U JP 5414489U JP 5414489 U JP5414489 U JP 5414489U JP H02147650 U JPH02147650 U JP H02147650U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- flame
- changeover switch
- photoelectric converter
- absence
- 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 3
- 239000013307 optical fiber Substances 0.000 claims description 2
- 239000000523 sample Substances 0.000 claims description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Control Of Combustion (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5414489U JPH02147650U (no) | 1989-05-11 | 1989-05-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5414489U JPH02147650U (no) | 1989-05-11 | 1989-05-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02147650U true JPH02147650U (no) | 1990-12-14 |
Family
ID=31575948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5414489U Pending JPH02147650U (no) | 1989-05-11 | 1989-05-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02147650U (no) |
-
1989
- 1989-05-11 JP JP5414489U patent/JPH02147650U/ja active Pending