JPS6457592U - - Google Patents
Info
- Publication number
- JPS6457592U JPS6457592U JP15238587U JP15238587U JPS6457592U JP S6457592 U JPS6457592 U JP S6457592U JP 15238587 U JP15238587 U JP 15238587U JP 15238587 U JP15238587 U JP 15238587U JP S6457592 U JPS6457592 U JP S6457592U
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- external electrode
- internal electrode
- external
- radiation source
- 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.)
- Granted
Links
- 230000005855 radiation Effects 0.000 claims description 5
- 239000000779 smoke Substances 0.000 claims 5
Landscapes
- Fire-Detection Mechanisms (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987152385U JPH057674Y2 (en]) | 1987-10-05 | 1987-10-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987152385U JPH057674Y2 (en]) | 1987-10-05 | 1987-10-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6457592U true JPS6457592U (en]) | 1989-04-10 |
| JPH057674Y2 JPH057674Y2 (en]) | 1993-02-25 |
Family
ID=31427262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987152385U Expired - Lifetime JPH057674Y2 (en]) | 1987-10-05 | 1987-10-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH057674Y2 (en]) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53100295A (en) * | 1977-02-14 | 1978-09-01 | Omron Tateisi Electronics Co | Ionization type smoke detector |
| JPS593363U (ja) * | 1982-06-29 | 1984-01-10 | ニツタン株式会社 | イオン化式煙感知器 |
| JPS6237395U (en]) * | 1985-08-24 | 1987-03-05 |
-
1987
- 1987-10-05 JP JP1987152385U patent/JPH057674Y2/ja not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53100295A (en) * | 1977-02-14 | 1978-09-01 | Omron Tateisi Electronics Co | Ionization type smoke detector |
| JPS593363U (ja) * | 1982-06-29 | 1984-01-10 | ニツタン株式会社 | イオン化式煙感知器 |
| JPS6237395U (en]) * | 1985-08-24 | 1987-03-05 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH057674Y2 (en]) | 1993-02-25 |