DE2751073C2 - Rauchmelder - Google Patents
RauchmelderInfo
- Publication number
- DE2751073C2 DE2751073C2 DE2751073A DE2751073A DE2751073C2 DE 2751073 C2 DE2751073 C2 DE 2751073C2 DE 2751073 A DE2751073 A DE 2751073A DE 2751073 A DE2751073 A DE 2751073A DE 2751073 C2 DE2751073 C2 DE 2751073C2
- Authority
- DE
- Germany
- Prior art keywords
- pulse
- smoke
- pulses
- alarm
- output signal
- 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 title claims description 75
- 238000010586 diagram Methods 0.000 description 10
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 3
- 102100040678 Programmed cell death protein 1 Human genes 0.000 description 2
- 101710089372 Programmed cell death protein 1 Proteins 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000031700 light absorption Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002085 persistent effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000013256 coordination polymer Substances 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 208000011726 slow pulse Diseases 0.000 description 1
- 230000001052 transient 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
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fire-Detection Mechanisms (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/742,194 US4075499A (en) | 1976-11-16 | 1976-11-16 | Smoke detector with means for changing light pulse frequency |
| US05/742,225 US4068130A (en) | 1976-11-16 | 1976-11-16 | Smoke detector with means for changing light pulse frequency |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2751073A1 DE2751073A1 (de) | 1978-05-24 |
| DE2751073C2 true DE2751073C2 (de) | 1982-06-03 |
Family
ID=27113981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2751073A Expired DE2751073C2 (de) | 1976-11-16 | 1977-11-15 | Rauchmelder |
Country Status (14)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014110460B3 (de) * | 2014-07-24 | 2015-05-13 | Eq-3 Entwicklung Gmbh | Optischer Rauchmelder und Verfahren zur optischen Rauchdetektion |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2939139A1 (de) * | 1979-09-27 | 1981-04-09 | Agfa-Gevaert Ag, 5090 Leverkusen | Entfernungsmessvorrichtung |
| JPS56100343A (en) * | 1980-01-14 | 1981-08-12 | Matsushita Electric Works Ltd | Photoelectric type smoke sensor |
| JPS6225802U (enrdf_load_stackoverflow) * | 1985-07-31 | 1987-02-17 | ||
| DE3840277C2 (de) * | 1988-11-30 | 1997-04-17 | Diehl Gmbh & Co | Einrichtung zur Lokalisierung von Fahrzeugen im Gefechtsfeld |
| RU2217796C2 (ru) * | 2001-07-02 | 2003-11-27 | Российский Федеральный Ядерный Центр - Всероссийский Научно-Исследовательский Институт Экспериментальной Физики | Дымовой пожарный извещатель |
| RU2289850C2 (ru) * | 2004-02-24 | 2006-12-20 | Общество с ограниченной ответственностью Научно-технический центр "Системы пожарной безопасности" | Датчик-извещатель инфракрасного излучения |
| UA78855C2 (en) * | 2005-04-05 | 2007-04-25 | Private Entpr Arton | Smoke detector |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3946241A (en) * | 1973-11-26 | 1976-03-23 | Pyrotector, Incorporated | Light detector with pulsed light source and synchronous data gating |
| US3917956A (en) * | 1974-03-08 | 1975-11-04 | Pyrotector Inc | Smoke detector |
-
1977
- 1977-09-21 IL IL52977A patent/IL52977A/xx unknown
- 1977-09-21 NZ NZ185220A patent/NZ185220A/xx unknown
- 1977-10-04 IN IN291/DEL/77A patent/IN147535B/en unknown
- 1977-10-31 AR AR269786A patent/AR215485A1/es active
- 1977-11-07 CA CA290,290A patent/CA1085019A/en not_active Expired
- 1977-11-08 CH CH1362577A patent/CH620038A5/de not_active IP Right Cessation
- 1977-11-08 JP JP13403377A patent/JPS5387282A/ja active Granted
- 1977-11-11 IE IE2298/77A patent/IE46081B1/en unknown
- 1977-11-14 SE SE7712831A patent/SE421841B/xx unknown
- 1977-11-15 AU AU30668/77A patent/AU512053B2/en not_active Expired
- 1977-11-15 DE DE2751073A patent/DE2751073C2/de not_active Expired
- 1977-11-16 FR FR7734469A patent/FR2370974A1/fr active Granted
- 1977-11-16 GB GB47701/77A patent/GB1555182A/en not_active Expired
- 1977-11-16 BR BR7707636A patent/BR7707636A/pt unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014110460B3 (de) * | 2014-07-24 | 2015-05-13 | Eq-3 Entwicklung Gmbh | Optischer Rauchmelder und Verfahren zur optischen Rauchdetektion |
| EP2977972A1 (de) | 2014-07-24 | 2016-01-27 | EQ-3 Entwicklung GmbH | Optischer rauchmelder und verfahren zur optischen rauchdetektion |
Also Published As
| Publication number | Publication date |
|---|---|
| SE421841B (sv) | 1982-02-01 |
| NZ185220A (en) | 1981-10-19 |
| IE46081L (en) | 1978-05-16 |
| CH620038A5 (en) | 1980-10-31 |
| IE46081B1 (en) | 1983-02-09 |
| JPS5387282A (en) | 1978-08-01 |
| FR2370974A1 (fr) | 1978-06-09 |
| DE2751073A1 (de) | 1978-05-24 |
| JPS5724501B2 (enrdf_load_stackoverflow) | 1982-05-25 |
| IL52977A (en) | 1979-09-30 |
| IN147535B (enrdf_load_stackoverflow) | 1980-03-29 |
| IL52977A0 (en) | 1977-11-30 |
| SE7712831L (sv) | 1978-05-17 |
| AR215485A1 (es) | 1979-10-15 |
| FR2370974B1 (enrdf_load_stackoverflow) | 1983-12-23 |
| AU512053B2 (en) | 1980-09-18 |
| GB1555182A (en) | 1979-11-07 |
| CA1085019A (en) | 1980-09-02 |
| AU3066877A (en) | 1979-05-24 |
| BR7707636A (pt) | 1978-08-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE3618693C2 (enrdf_load_stackoverflow) | ||
| CH643957A5 (de) | Verfahren zur erfassung von aenderungen in der transmission einer strahlungsschranke und vorrichtung zur durchfuehrung des verfahrens. | |
| DE3210237A1 (de) | Laser-entfernungsmesser | |
| DE3543992A1 (de) | Feuerdetektor-einrichtung von lichtabschwaechender bauart | |
| DE2409113B2 (de) | Lichtschrankenanordnung | |
| DE3009970A1 (de) | Durch zaehlung diskriminierender feuerdetektor | |
| DE2751073C2 (de) | Rauchmelder | |
| DE2923119A1 (de) | Detektor fuer feuer, rauch o.dgl. | |
| DE2633534A1 (de) | Meldeeinrichtung | |
| DE3025268C2 (de) | Strahlungsdetektionseinrichtung | |
| DE1906075C3 (de) | Alarmvorrichtung und Überwachungsanlage für deren Anwendung | |
| DE1905016A1 (de) | Verfahren und Vorrichtung zur Funktionspruefung von Streulicht-Sichtweitenmessern | |
| DE2830847C2 (de) | Rauchdetektor | |
| DE3144747A1 (de) | Opto-elektronischer sensor mit hoher intensitaet und niedrigem leistungsverbrauch | |
| DE2619710C2 (enrdf_load_stackoverflow) | ||
| DE2604753A1 (de) | Hochimpedanz-schaltkreisanordnung mit ionisationsrauchsensoren | |
| DE2505662C2 (de) | Vorrichtung zur Überprüfung der Funktionsfähigkeit eines an einer logischen Steuereinheit gehörenden Zeitgebers | |
| DE3728354C2 (enrdf_load_stackoverflow) | ||
| DE2939139A1 (de) | Entfernungsmessvorrichtung | |
| DE4041825C2 (de) | Alarmanlage | |
| EP0101543B1 (de) | Schaltende Lichtschranke | |
| DE2424525C2 (de) | Überwachungseinrichtung für eine Brennerflamme | |
| DE3611408A1 (de) | Schaltungsanordnung zum ermitteln des vorhandenseins bzw. der entnahme von gegenstaenden, insbesondere von zahnaerztlichen behandlungsinstrumenten, in bzw. aus aufnahmen | |
| EP0121102B1 (de) | Anordnung zur Umschaltung einzelner Melder auf Inspektionsbetrieb in einer Gefahrenmeldeanlage | |
| DE2728309C3 (de) | Brandmeldeeinrichtung |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| D2 | Grant after examination | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: PYROTECTOR INC., HINGHAM, MASS., US |
|
| 8328 | Change in the person/name/address of the agent |
Free format text: BARDEHLE, H., DIPL.-ING., PAT.-ANW. PAGENBERG, J., DR.JUR., RECHTSANW. DOST, W., DIPL.-CHEM. DR.RER.NAT. ALTENBURG, U., DIPL.-PHYS., PAT.-ANW. FROHWITTER, B., DIPL.-ING. GRAVENREUTH FRHR. VON, G., DIPL.-ING.(FH), RECHTSANW., 8000 MUENCHEN |