JPH0452519B2 - - Google Patents
Info
- Publication number
- JPH0452519B2 JPH0452519B2 JP58076827A JP7682783A JPH0452519B2 JP H0452519 B2 JPH0452519 B2 JP H0452519B2 JP 58076827 A JP58076827 A JP 58076827A JP 7682783 A JP7682783 A JP 7682783A JP H0452519 B2 JPH0452519 B2 JP H0452519B2
- Authority
- JP
- Japan
- Prior art keywords
- smoke
- level
- signal
- fire
- receiver
- 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 166
- 238000001514 detection method Methods 0.000 claims description 29
- 238000012544 monitoring process Methods 0.000 claims description 4
- 238000012937 correction Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 description 21
- 230000035945 sensitivity Effects 0.000 description 20
- 230000005540 biological transmission Effects 0.000 description 14
- 230000008878 coupling Effects 0.000 description 10
- 238000010168 coupling process Methods 0.000 description 10
- 238000005859 coupling reaction Methods 0.000 description 10
- 230000002265 prevention Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 230000003287 optical effect Effects 0.000 description 7
- 230000007257 malfunction Effects 0.000 description 4
- 230000005856 abnormality Effects 0.000 description 3
- 238000012790 confirmation Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
- Fire-Detection Mechanisms (AREA)
- Alarm Systems (AREA)
- Fire Alarms (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7682783A JPS59202596A (ja) | 1983-04-30 | 1983-04-30 | 火災報知システム |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7682783A JPS59202596A (ja) | 1983-04-30 | 1983-04-30 | 火災報知システム |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59202596A JPS59202596A (ja) | 1984-11-16 |
| JPH0452519B2 true JPH0452519B2 (de) | 1992-08-24 |
Family
ID=13616505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7682783A Granted JPS59202596A (ja) | 1983-04-30 | 1983-04-30 | 火災報知システム |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59202596A (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013521473A (ja) * | 2010-03-05 | 2013-06-10 | エックストラリス・テクノロジーズ・リミテッド | フィルタバイパス |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0695356B2 (ja) * | 1986-03-31 | 1994-11-24 | 松下電工株式会社 | 火災警報システム |
| JPH071520B2 (ja) * | 1986-03-31 | 1995-01-11 | 松下電工株式会社 | 火災警報システム |
| JP2735567B2 (ja) * | 1988-06-16 | 1998-04-02 | 能美防災株式会社 | 汚れ度合表示装置 |
| JP5279171B2 (ja) * | 2006-04-14 | 2013-09-04 | 能美防災株式会社 | アナログ式火災感知器 |
| JP5032836B2 (ja) * | 2006-12-21 | 2012-09-26 | 株式会社堀場製作所 | オイルミスト検出装置 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5631625A (en) * | 1979-08-24 | 1981-03-31 | Hochiki Corp | Smoke detector of photoelectronic type |
-
1983
- 1983-04-30 JP JP7682783A patent/JPS59202596A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5631625A (en) * | 1979-08-24 | 1981-03-31 | Hochiki Corp | Smoke detector of photoelectronic type |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013521473A (ja) * | 2010-03-05 | 2013-06-10 | エックストラリス・テクノロジーズ・リミテッド | フィルタバイパス |
| JP2016128815A (ja) * | 2010-03-05 | 2016-07-14 | エックストラリス・テクノロジーズ・リミテッド | フィルタバイパス |
| JP2018138921A (ja) * | 2010-03-05 | 2018-09-06 | ギャレット・サーマル・システムズ・リミテッドＧａｒｒｅｔｔ Ｔｈｅｒｍａｌ Ｓｙｓｔｅｍｓ Ｌｉｍｉｔｅｄ | フィルタバイパス |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59202596A (ja) | 1984-11-16 |
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