JPH0642319Y2 - 火災報知装置 - Google Patents
火災報知装置Info
- Publication number
- JPH0642319Y2 JPH0642319Y2 JP1988038261U JP3826188U JPH0642319Y2 JP H0642319 Y2 JPH0642319 Y2 JP H0642319Y2 JP 1988038261 U JP1988038261 U JP 1988038261U JP 3826188 U JP3826188 U JP 3826188U JP H0642319 Y2 JPH0642319 Y2 JP H0642319Y2
- Authority
- JP
- Japan
- Prior art keywords
- pulse signal
- receiver
- fire
- signal
- circuit
- 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.)
- Expired - Lifetime
Links
- 230000001360 synchronised effect Effects 0.000 claims description 8
- 238000001514 detection method Methods 0.000 description 11
- 239000003990 capacitor Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Fire Alarms (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988038261U JPH0642319Y2 (ja) | 1988-03-25 | 1988-03-25 | 火災報知装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988038261U JPH0642319Y2 (ja) | 1988-03-25 | 1988-03-25 | 火災報知装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01142093U JPH01142093U (2) | 1989-09-28 |
| JPH0642319Y2 true JPH0642319Y2 (ja) | 1994-11-02 |
Family
ID=31264818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988038261U Expired - Lifetime JPH0642319Y2 (ja) | 1988-03-25 | 1988-03-25 | 火災報知装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0642319Y2 (2) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ZA824256B (en) * | 1981-06-25 | 1983-05-25 | Alcan Int Ltd | Electrolytic reduction cells |
-
1988
- 1988-03-25 JP JP1988038261U patent/JPH0642319Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01142093U (2) | 1989-09-28 |
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