DE2115759B2 - Feuermeldeanlage - Google Patents
FeuermeldeanlageInfo
- Publication number
- DE2115759B2 DE2115759B2 DE19712115759 DE2115759A DE2115759B2 DE 2115759 B2 DE2115759 B2 DE 2115759B2 DE 19712115759 DE19712115759 DE 19712115759 DE 2115759 A DE2115759 A DE 2115759A DE 2115759 B2 DE2115759 B2 DE 2115759B2
- Authority
- DE
- Germany
- Prior art keywords
- fire alarm
- central unit
- oscillator
- fire
- frequency
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 title 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 11
- 229910052710 silicon Inorganic materials 0.000 claims description 11
- 239000010703 silicon Substances 0.000 claims description 11
- 230000005284 excitation Effects 0.000 claims description 2
- 239000004020 conductor Substances 0.000 description 25
- 238000004804 winding Methods 0.000 description 20
- 239000000779 smoke Substances 0.000 description 14
- 239000003990 capacitor Substances 0.000 description 12
- 238000010586 diagram Methods 0.000 description 6
- 230000005669 field effect Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 230000010355 oscillation Effects 0.000 description 3
- 210000002105 tongue Anatomy 0.000 description 3
- 235000014676 Phragmites communis Nutrition 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000002285 radioactive effect Effects 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 101150087426 Gnal gene Proteins 0.000 description 1
- 244000089486 Phragmites australis subsp australis Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000001360 synchronised 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
- 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
-
- 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
- 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
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)
- Fire-Detection Mechanisms (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2684270 | 1970-03-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2115759A1 DE2115759A1 (de) | 1971-10-28 |
| DE2115759B2 true DE2115759B2 (de) | 1973-02-01 |
Family
ID=12204508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19712115759 Pending DE2115759B2 (de) | 1970-03-31 | 1971-03-31 | Feuermeldeanlage |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3778796A (enExample) |
| CA (1) | CA939778A (enExample) |
| DE (1) | DE2115759B2 (enExample) |
| FR (1) | FR2083678B1 (enExample) |
| GB (1) | GB1320651A (enExample) |
| ZA (1) | ZA71780B (enExample) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3946374A (en) * | 1970-08-13 | 1976-03-23 | Sci Systems, Inc. | Rate-of-change combustion and contamination detection device |
| CA1014675A (en) * | 1973-03-19 | 1977-07-26 | Frank W. Emerson | Emergency alarm system |
| US4287515A (en) * | 1979-04-27 | 1981-09-01 | Baker Industries, Inc. | Fire detection system with multiple output signals |
| US4435698A (en) | 1980-06-11 | 1984-03-06 | Hekatron Gmbh | Circuit arrangement for the transmission of measurements to a central, especially in a fire alarm system |
| SE8202566L (sv) * | 1982-04-23 | 1983-10-24 | Ericsson Telefon Ab L M | Forfarande och anordning for att i en slingkrets med ett forutbestemt antal parallellkopplade detektorer identifiera en larmande detektor |
| DE68917405D1 (de) * | 1988-09-05 | 1994-09-15 | Apollo Fire Detectors Ltd | Anordnung zum Setzen von Markierungen zur Identifikation eines Feuerdetektors. |
| GB2321747B (en) * | 1997-01-30 | 2000-10-18 | Rafiki Protection Limited | Alarm system |
| US5889468A (en) * | 1997-11-10 | 1999-03-30 | Banga; William Robert | Extra security smoke alarm system |
| FR2897968B1 (fr) * | 2006-02-24 | 2008-11-21 | Airbus France Sas | Systeme de detection d'incendie et aeronef equipe d'un tel systeme |
| US20090322526A1 (en) * | 2008-06-25 | 2009-12-31 | Lontka Karen D | Arrangement and method for communicating with notification appliances |
| DE102021131104A1 (de) * | 2021-11-26 | 2023-06-01 | Dryad Networks GmbH | Waldbrandfrüherkennungssystem mit piezo/bi-metall-sensor und verfahren zum betrieb eines waldbrandfrüherkennungssystems |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2607220A (en) * | 1947-04-14 | 1952-08-19 | Philip W Martin | Means for measuring conditions in deep wells |
| FR983536A (fr) * | 1949-02-03 | 1951-06-25 | Installation radio-électrique de sécurité | |
| US2662933A (en) * | 1951-04-26 | 1953-12-15 | Bell Telephone Labor Inc | Multiplex carrier telegraph system |
| NL224947A (enExample) * | 1957-02-19 | |||
| US3388389A (en) * | 1964-06-09 | 1968-06-11 | Davis Foreman | Alarm systems |
| US3357009A (en) * | 1964-12-14 | 1967-12-05 | Miller Peter | Condition-responsive system for impressing distinctive frequency alarm tone on transmission line |
| US3484775A (en) * | 1965-10-20 | 1969-12-16 | Wallace Dean Cline | Theft prevention system |
| CH473431A (de) * | 1966-05-09 | 1969-05-31 | Cerberus Ag Werk Fuer Elektron | Verfahren zur Betriebsüberwachung von Feuermeldern |
-
1971
- 1971-02-08 ZA ZA710780A patent/ZA71780B/xx unknown
- 1971-03-02 US US00120178A patent/US3778796A/en not_active Expired - Lifetime
- 1971-03-18 FR FR7109468A patent/FR2083678B1/fr not_active Expired
- 1971-03-31 DE DE19712115759 patent/DE2115759B2/de active Pending
- 1971-03-31 CA CA109,276A patent/CA939778A/en not_active Expired
- 1971-04-19 GB GB2523571*A patent/GB1320651A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2083678A1 (enExample) | 1971-12-17 |
| CA939778A (en) | 1974-01-08 |
| ZA71780B (en) | 1971-10-27 |
| US3778796A (en) | 1973-12-11 |
| GB1320651A (en) | 1973-06-20 |
| DE2115759A1 (de) | 1971-10-28 |
| FR2083678B1 (enExample) | 1974-10-31 |
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