JPH0449160B2 - - Google Patents
Info
- Publication number
- JPH0449160B2 JPH0449160B2 JP1912084A JP1912084A JPH0449160B2 JP H0449160 B2 JPH0449160 B2 JP H0449160B2 JP 1912084 A JP1912084 A JP 1912084A JP 1912084 A JP1912084 A JP 1912084A JP H0449160 B2 JPH0449160 B2 JP H0449160B2
- Authority
- JP
- Japan
- Prior art keywords
- fire
- signal
- level
- analog
- calculation
- 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
Links
- 239000000779 smoke Substances 0.000 claims description 71
- 238000005259 measurement Methods 0.000 claims description 10
- 238000012544 monitoring process Methods 0.000 claims description 10
- -1 temperature Substances 0.000 claims 4
- 230000035945 sensitivity Effects 0.000 description 63
- 238000001514 detection method Methods 0.000 description 19
- 238000010586 diagram Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 5
- 239000000428 dust Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 4
- 230000006866 deterioration Effects 0.000 description 3
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- WRFHGDPIDHPWIQ-UHFFFAOYSA-N 2-[4-[(2-butyl-4-oxo-1,3-diazaspiro[4.4]non-1-en-3-yl)methyl]-2-(ethoxymethyl)phenyl]-n-(4,5-dimethyl-1,2-oxazol-3-yl)benzenesulfonamide Chemical compound O=C1N(CC=2C=C(COCC)C(=CC=2)C=2C(=CC=CC=2)S(=O)(=O)NC=2C(=C(C)ON=2)C)C(CCCC)=NC21CCCC2 WRFHGDPIDHPWIQ-UHFFFAOYSA-N 0.000 description 1
- 229910003307 Ni-Cd Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
Landscapes
- Fire Alarms (AREA)
- Fire-Detection Mechanisms (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1912084A JPS60246497A (ja) | 1984-02-03 | 1984-02-03 | 火災感知器 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1912084A JPS60246497A (ja) | 1984-02-03 | 1984-02-03 | 火災感知器 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60246497A JPS60246497A (ja) | 1985-12-06 |
| JPH0449160B2 true JPH0449160B2 (enExample) | 1992-08-10 |
Family
ID=11990604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1912084A Granted JPS60246497A (ja) | 1984-02-03 | 1984-02-03 | 火災感知器 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60246497A (enExample) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0731066B2 (ja) * | 1986-08-29 | 1995-04-10 | 日本フエンオール 株式会社 | 感知器 |
| JP2818637B2 (ja) * | 1993-10-19 | 1998-10-30 | ホーチキ株式会社 | Ｃｐｕ内蔵の火災感知器 |
| JP2008165677A (ja) * | 2007-01-04 | 2008-07-17 | Fenwall Controls Of Japan Ltd | 火災報知器 |
-
1984
- 1984-02-03 JP JP1912084A patent/JPS60246497A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60246497A (ja) | 1985-12-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |