JPS62117690U - - Google Patents
Info
- Publication number
- JPS62117690U JPS62117690U JP409486U JP409486U JPS62117690U JP S62117690 U JPS62117690 U JP S62117690U JP 409486 U JP409486 U JP 409486U JP 409486 U JP409486 U JP 409486U JP S62117690 U JPS62117690 U JP S62117690U
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- radiation source
- smoke detector
- electrodes
- 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.)
- Pending
Links
- 230000005855 radiation Effects 0.000 claims description 4
- 239000000779 smoke Substances 0.000 claims description 4
- 230000005669 field effect Effects 0.000 description 1
Landscapes
- Fire-Detection Mechanisms (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP409486U JPS62117690U (de) | 1986-01-17 | 1986-01-17 | |
| CA000527315A CA1267735A (en) | 1986-01-17 | 1987-01-14 | Ionization type-smoke detector |
| US07/003,717 US4786811A (en) | 1986-01-17 | 1987-01-16 | Ionization type-smoke detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP409486U JPS62117690U (de) | 1986-01-17 | 1986-01-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62117690U true JPS62117690U (de) | 1987-07-25 |
Family
ID=30784451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP409486U Pending JPS62117690U (de) | 1986-01-17 | 1986-01-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62117690U (de) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4735257U (de) * | 1971-05-11 | 1972-12-19 |
-
1986
- 1986-01-17 JP JP409486U patent/JPS62117690U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4735257U (de) * | 1971-05-11 | 1972-12-19 |