JPS647397U - - Google Patents
Info
- Publication number
- JPS647397U JPS647397U JP10050887U JP10050887U JPS647397U JP S647397 U JPS647397 U JP S647397U JP 10050887 U JP10050887 U JP 10050887U JP 10050887 U JP10050887 U JP 10050887U JP S647397 U JPS647397 U JP S647397U
- Authority
- JP
- Japan
- Prior art keywords
- ionization chamber
- internal
- external
- ionization
- electrode
- 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
- 230000005855 radiation Effects 0.000 claims description 4
- 239000000779 smoke Substances 0.000 claims 3
Landscapes
- Fire-Detection Mechanisms (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10050887U JPS647397U (nl) | 1987-06-30 | 1987-06-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10050887U JPS647397U (nl) | 1987-06-30 | 1987-06-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS647397U true JPS647397U (nl) | 1989-01-17 |
Family
ID=31328644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10050887U Pending JPS647397U (nl) | 1987-06-30 | 1987-06-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS647397U (nl) |
-
1987
- 1987-06-30 JP JP10050887U patent/JPS647397U/ja active Pending
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