DE2615412A1 - Brandmelder - Google Patents
BrandmelderInfo
- Publication number
- DE2615412A1 DE2615412A1 DE19762615412 DE2615412A DE2615412A1 DE 2615412 A1 DE2615412 A1 DE 2615412A1 DE 19762615412 DE19762615412 DE 19762615412 DE 2615412 A DE2615412 A DE 2615412A DE 2615412 A1 DE2615412 A1 DE 2615412A1
- Authority
- DE
- Germany
- Prior art keywords
- fire
- threshold value
- fire detector
- detector according
- amplifier
- 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.)
- Withdrawn
Links
- 239000000779 smoke Substances 0.000 claims description 25
- 238000011156 evaluation Methods 0.000 claims description 8
- 230000011664 signaling Effects 0.000 claims description 5
- 230000005855 radiation Effects 0.000 claims 1
- 230000005669 field effect Effects 0.000 description 17
- 239000000567 combustion gas Substances 0.000 description 11
- 239000007789 gas Substances 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 238000004804 winding Methods 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- 235000019504 cigarettes Nutrition 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
Landscapes
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fire-Detection Mechanisms (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1973130045U JPS5725351Y2 (enrdf_load_stackoverflow) | 1973-11-09 | 1973-11-09 | |
| JP1974061692U JPS5756304Y2 (enrdf_load_stackoverflow) | 1974-05-29 | 1974-05-29 | |
| JP4890675U JPS5727111Y2 (enrdf_load_stackoverflow) | 1975-04-11 | 1975-04-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2615412A1 true DE2615412A1 (de) | 1976-10-21 |
Family
ID=27293456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19762615412 Withdrawn DE2615412A1 (de) | 1973-11-09 | 1976-04-08 | Brandmelder |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH583946A5 (enrdf_load_stackoverflow) |
| DE (1) | DE2615412A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2307319A2 (enrdf_load_stackoverflow) |
| GB (1) | GB1543764A (enrdf_load_stackoverflow) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4316184A (en) * | 1979-07-27 | 1982-02-16 | Pittway Corporation | Combination combustion-products detector |
| US4401978A (en) * | 1979-02-21 | 1983-08-30 | The Gamewell Corporation | Combination detector |
| DE102014019172A1 (de) | 2014-12-17 | 2016-06-23 | Elmos Semiconductor Aktiengesellschaft | Vorrichtung und Verfahren zur Unterscheidung von festen Objekten, Kochdunst und Rauch mit einem kompensierenden optischen Messsystem |
| DE102014019773A1 (de) | 2014-12-17 | 2016-06-23 | Elmos Semiconductor Aktiengesellschaft | Vorrichtung und Verfahren zur Unterscheidung von festen Objekten, Kochdunst und Rauch mittels des Displays eines Mobiltelefons |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0039761A3 (de) * | 1980-05-09 | 1981-11-25 | Cerberus Ag | Verfahren zur Brandmeldung und Brandmeldeanlage |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3430220A (en) * | 1965-09-15 | 1969-02-25 | Clairex Electronics Inc | Fire detector |
| US3611335A (en) * | 1968-11-13 | 1971-10-05 | Bbk Electronics Inc | Multiple combustion sensing device with false alarm prevention |
-
1976
- 1976-04-07 CH CH429076A patent/CH583946A5/xx not_active IP Right Cessation
- 1976-04-08 DE DE19762615412 patent/DE2615412A1/de not_active Withdrawn
- 1976-04-09 FR FR7610471A patent/FR2307319A2/fr not_active Withdrawn
- 1976-04-09 GB GB1464876A patent/GB1543764A/en not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4401978A (en) * | 1979-02-21 | 1983-08-30 | The Gamewell Corporation | Combination detector |
| US4316184A (en) * | 1979-07-27 | 1982-02-16 | Pittway Corporation | Combination combustion-products detector |
| DE102014019172A1 (de) | 2014-12-17 | 2016-06-23 | Elmos Semiconductor Aktiengesellschaft | Vorrichtung und Verfahren zur Unterscheidung von festen Objekten, Kochdunst und Rauch mit einem kompensierenden optischen Messsystem |
| DE102014019773A1 (de) | 2014-12-17 | 2016-06-23 | Elmos Semiconductor Aktiengesellschaft | Vorrichtung und Verfahren zur Unterscheidung von festen Objekten, Kochdunst und Rauch mittels des Displays eines Mobiltelefons |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1543764A (en) | 1979-04-04 |
| CH583946A5 (enrdf_load_stackoverflow) | 1977-01-14 |
| FR2307319A2 (fr) | 1976-11-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8141 | Disposal/no request for examination |