JPS6457593U - - Google Patents
Info
- Publication number
- JPS6457593U JPS6457593U JP15238687U JP15238687U JPS6457593U JP S6457593 U JPS6457593 U JP S6457593U JP 15238687 U JP15238687 U JP 15238687U JP 15238687 U JP15238687 U JP 15238687U JP S6457593 U JPS6457593 U JP S6457593U
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- internal electrode
- internal
- base
- external
- 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 4
- 238000005192 partition Methods 0.000 claims description 2
- 239000000779 smoke Substances 0.000 claims 5
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Fire-Detection Mechanisms (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987152386U JPH0530236Y2 (en]) | 1987-10-05 | 1987-10-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987152386U JPH0530236Y2 (en]) | 1987-10-05 | 1987-10-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6457593U true JPS6457593U (en]) | 1989-04-10 |
| JPH0530236Y2 JPH0530236Y2 (en]) | 1993-08-02 |
Family
ID=31427264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987152386U Expired - Lifetime JPH0530236Y2 (en]) | 1987-10-05 | 1987-10-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0530236Y2 (en]) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4840318A (en]) * | 1971-09-25 | 1973-06-13 | ||
| US3775616A (en) * | 1970-06-08 | 1973-11-27 | Nittan Co Ltd | Ionization smoke detector |
| JPS4911800A (en]) * | 1972-05-16 | 1974-02-01 | ||
| JPS5120796U (en]) * | 1974-08-01 | 1976-02-16 | ||
| JPS5233272U (en]) * | 1975-09-01 | 1977-03-09 | ||
| US4139770A (en) * | 1976-11-22 | 1979-02-13 | Hartwig Beyersdorf | Smoke alarm |
| JPS5514806U (en]) * | 1978-07-12 | 1980-01-30 | ||
| JPS6044193U (ja) * | 1983-09-05 | 1985-03-28 | 能美防災工業株式会社 | イオン化式煙感知器 |
-
1987
- 1987-10-05 JP JP1987152386U patent/JPH0530236Y2/ja not_active Expired - Lifetime
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3775616A (en) * | 1970-06-08 | 1973-11-27 | Nittan Co Ltd | Ionization smoke detector |
| JPS4840318A (en]) * | 1971-09-25 | 1973-06-13 | ||
| JPS4911800A (en]) * | 1972-05-16 | 1974-02-01 | ||
| JPS5120796U (en]) * | 1974-08-01 | 1976-02-16 | ||
| JPS5233272U (en]) * | 1975-09-01 | 1977-03-09 | ||
| US4139770A (en) * | 1976-11-22 | 1979-02-13 | Hartwig Beyersdorf | Smoke alarm |
| JPS5514806U (en]) * | 1978-07-12 | 1980-01-30 | ||
| JPS6044193U (ja) * | 1983-09-05 | 1985-03-28 | 能美防災工業株式会社 | イオン化式煙感知器 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0530236Y2 (en]) | 1993-08-02 |