JPH0217836B2 - - Google Patents
Info
- Publication number
- JPH0217836B2 JPH0217836B2 JP58046682A JP4668283A JPH0217836B2 JP H0217836 B2 JPH0217836 B2 JP H0217836B2 JP 58046682 A JP58046682 A JP 58046682A JP 4668283 A JP4668283 A JP 4668283A JP H0217836 B2 JPH0217836 B2 JP H0217836B2
- Authority
- JP
- Japan
- Prior art keywords
- smoke
- fire
- value
- comparator
- detector
- 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
- 239000000779 smoke Substances 0.000 claims description 44
- 230000005856 abnormality Effects 0.000 claims description 4
- 230000001133 acceleration Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims 3
- -1 heat Substances 0.000 claims 1
- 230000010354 integration Effects 0.000 claims 1
- 230000002123 temporal effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 235000019504 cigarettes Nutrition 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 101100524646 Toxoplasma gondii ROM6 gene Proteins 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 230000009474 immediate action Effects 0.000 description 1
- 230000003340 mental effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4668283A JPS59172093A (ja) | 1983-03-21 | 1983-03-21 | 火災などの異常警報装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4668283A JPS59172093A (ja) | 1983-03-21 | 1983-03-21 | 火災などの異常警報装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59172093A JPS59172093A (ja) | 1984-09-28 |
| JPH0217836B2 true JPH0217836B2 (de) | 1990-04-23 |
Family
ID=12754146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4668283A Granted JPS59172093A (ja) | 1983-03-21 | 1983-03-21 | 火災などの異常警報装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59172093A (de) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6115300A (ja) * | 1984-06-29 | 1986-01-23 | ホーチキ株式会社 | 火災警報装置 |
| JPS61237195A (ja) * | 1985-04-12 | 1986-10-22 | ホーチキ株式会社 | 火災報知装置 |
| JP2925550B2 (ja) * | 1988-05-27 | 1999-07-28 | 能美防災株式会社 | 火災状態の検出装置 |
| WO1990004241A1 (en) * | 1988-10-13 | 1990-04-19 | Nohmi Bosai Kabushiki Kaisha | Fire alarm apparatus |
| DE68926958T2 (de) * | 1988-12-02 | 1997-04-03 | Nohmi Bosai Ltd | Feueralarmsystem |
| US5483222A (en) * | 1993-11-15 | 1996-01-09 | Pittway Corporation | Multiple sensor apparatus and method |
| US5627515A (en) * | 1995-02-24 | 1997-05-06 | Pittway Corporation | Alarm system with multiple cooperating sensors |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5530794A (en) * | 1978-05-01 | 1980-03-04 | Anglo Amer Corp South Africa | Method and apparatus for detecting ratio of signal variation |
| JPS5597690A (en) * | 1978-09-15 | 1980-07-25 | Anglo Amer Corp South Africa | Alarm device and method of processing analog output signal from sensor |
-
1983
- 1983-03-21 JP JP4668283A patent/JPS59172093A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5530794A (en) * | 1978-05-01 | 1980-03-04 | Anglo Amer Corp South Africa | Method and apparatus for detecting ratio of signal variation |
| JPS5597690A (en) * | 1978-09-15 | 1980-07-25 | Anglo Amer Corp South Africa | Alarm device and method of processing analog output signal from sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59172093A (ja) | 1984-09-28 |
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