DE2621209B1 - Meldeeinrichtung,insbesondere zur Brandmeldung - Google Patents
Meldeeinrichtung,insbesondere zur BrandmeldungInfo
- Publication number
- DE2621209B1 DE2621209B1 DE19762621209 DE2621209A DE2621209B1 DE 2621209 B1 DE2621209 B1 DE 2621209B1 DE 19762621209 DE19762621209 DE 19762621209 DE 2621209 A DE2621209 A DE 2621209A DE 2621209 B1 DE2621209 B1 DE 2621209B1
- Authority
- DE
- Germany
- Prior art keywords
- line
- current
- reporting device
- group
- detectors
- 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.)
- Granted
Links
- 238000011156 evaluation Methods 0.000 claims description 31
- 239000003990 capacitor Substances 0.000 claims description 20
- 239000004020 conductor Substances 0.000 claims description 18
- 238000005259 measurement Methods 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 3
- 230000007257 malfunction Effects 0.000 claims description 3
- 230000001419 dependent effect Effects 0.000 claims description 2
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 125000004122 cyclic group Chemical group 0.000 claims 1
- 230000004048 modification Effects 0.000 description 7
- 238000012986 modification Methods 0.000 description 7
- 230000009467 reduction Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000010615 ring circuit Methods 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/04—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using a single signalling line, e.g. in a closed loop
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
- G08B17/11—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using an ionisation chamber for detecting smoke or gas
Landscapes
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Fire Alarms (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19762621209 DE2621209B1 (de) | 1976-05-13 | 1976-05-13 | Meldeeinrichtung,insbesondere zur Brandmeldung |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19762621209 DE2621209B1 (de) | 1976-05-13 | 1976-05-13 | Meldeeinrichtung,insbesondere zur Brandmeldung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2621209B1 true DE2621209B1 (de) | 1977-07-28 |
| DE2621209C2 DE2621209C2 (enrdf_load_html_response) | 1978-03-09 |
Family
ID=5977853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19762621209 Granted DE2621209B1 (de) | 1976-05-13 | 1976-05-13 | Meldeeinrichtung,insbesondere zur Brandmeldung |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE2621209B1 (enrdf_load_html_response) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0005046A1 (en) * | 1978-04-17 | 1979-10-31 | Chubb Electronics Limited | Electrical alarm circuits and systems |
| DE3223252A1 (de) * | 1981-06-23 | 1982-12-30 | Chloride Group Public Ltd.Co., London | Feueralarmanlage und verfahren zu deren ueberpruefung |
| EP0319266A3 (en) * | 1987-11-30 | 1991-01-30 | Hochiki Corporation | Fire alarm system |
| EP3035311B1 (en) | 2014-12-19 | 2019-10-09 | Novar GmbH | Bus master device for a hazard alarming system and a hazard alarming system using the same |
-
1976
- 1976-05-13 DE DE19762621209 patent/DE2621209B1/de active Granted
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0005046A1 (en) * | 1978-04-17 | 1979-10-31 | Chubb Electronics Limited | Electrical alarm circuits and systems |
| DE3223252A1 (de) * | 1981-06-23 | 1982-12-30 | Chloride Group Public Ltd.Co., London | Feueralarmanlage und verfahren zu deren ueberpruefung |
| EP0319266A3 (en) * | 1987-11-30 | 1991-01-30 | Hochiki Corporation | Fire alarm system |
| EP3035311B1 (en) | 2014-12-19 | 2019-10-09 | Novar GmbH | Bus master device for a hazard alarming system and a hazard alarming system using the same |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2621209C2 (enrdf_load_html_response) | 1978-03-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8339 | Ceased/non-payment of the annual fee |