FR2366653A1 - Detecteur optique d'incendie - Google Patents
Detecteur optique d'incendieInfo
- Publication number
- FR2366653A1 FR2366653A1 FR7711302A FR7711302A FR2366653A1 FR 2366653 A1 FR2366653 A1 FR 2366653A1 FR 7711302 A FR7711302 A FR 7711302A FR 7711302 A FR7711302 A FR 7711302A FR 2366653 A1 FR2366653 A1 FR 2366653A1
- Authority
- FR
- France
- Prior art keywords
- fire detector
- rays
- sensor
- optical fire
- optical
- 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
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
- G08B17/103—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device
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)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
Détecteur optique d'incendie déclenchant une alarme en cas d'obscurcissement d'une couche d'air traversée par un faisceau de rayons. Il comprend un capteur 10 sensible aux rayons émis par une source 15 qui comprend deux lampes 16 et 17 à incandescence connectées alternativement à une source 18 de tension, en synchronisme avec la connexion alternative du capteur 10 à un comparateur 12. Un filtre dichroïque 20 divise le faisceau de rayons en deux bandes de longueurs d'ondes différentes. Domaine d'application : détecteurs d'incendie.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7604502A SE7604502L (sv) | 1976-04-15 | 1976-04-15 | Optisk branddetektor |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2366653A1 true FR2366653A1 (fr) | 1978-04-28 |
FR2366653B1 FR2366653B1 (fr) | 1982-10-29 |
Family
ID=20327615
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7711302A Granted FR2366653A1 (fr) | 1976-04-15 | 1977-04-14 | Detecteur optique d'incendie |
Country Status (14)
Country | Link |
---|---|
US (1) | US4119949A (fr) |
AU (1) | AU499326B2 (fr) |
BE (1) | BE853380A (fr) |
CA (1) | CA1082336A (fr) |
CH (1) | CH613064A5 (fr) |
DE (1) | DE2714130A1 (fr) |
DK (1) | DK166177A (fr) |
FI (1) | FI61769C (fr) |
FR (1) | FR2366653A1 (fr) |
GB (1) | GB1527965A (fr) |
IT (1) | IT1077786B (fr) |
NL (1) | NL7704154A (fr) |
NO (1) | NO138306C (fr) |
SE (1) | SE7604502L (fr) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE395554B (sv) * | 1976-09-01 | 1977-08-15 | Ericsson Telefon Ab L M | Optisk branddetektor |
US4242669A (en) * | 1979-05-04 | 1980-12-30 | B. A. Security Systems Limited | Passive infrared intruder detection system |
US4306230A (en) * | 1979-12-10 | 1981-12-15 | Honeywell Inc. | Self-checking photoelectric smoke detector |
SE450176B (sv) * | 1981-05-19 | 1987-06-09 | Cerberus Ag | Optisk branddetektor med forlengd stralveg innefattande en ljuskella med tva ljusalstrande enheter med olika vaglengd, vilka aktiveras omvexlande med varandra |
US4560874A (en) * | 1981-06-02 | 1985-12-24 | Santa Barbara Research Center | Reference channel for sensing optical contamination |
FR2574200B1 (fr) * | 1984-11-30 | 1987-01-23 | Labo Electronique Physique | Dispositif de detection d'intrus muni d'un dispositif d'antimasquage |
JPH0765963B2 (ja) * | 1986-04-07 | 1995-07-19 | ホーチキ株式会社 | 減光式煙感知器 |
FI83696B (fi) * | 1987-01-27 | 1991-04-30 | Halton Oy | Foerfarande foer reglering av ventilation. |
DE19502521A1 (de) * | 1995-01-27 | 1996-08-01 | Abb Patent Gmbh | Passiv-Infrarot-Melder mit einer Optik, die von einem Strahlungsobjekt emittierte Wärmestrahlung auf einen Infrarotsensor fokussiert |
GB2319604A (en) * | 1996-11-25 | 1998-05-27 | Kidde Fire Protection Ltd | Smoke and particle detector |
AUPQ553800A0 (en) | 2000-02-10 | 2000-03-02 | Cole, Martin Terence | Improvements relating to smoke detectors particularily duct monitored smoke detectors |
NL1023679C2 (nl) * | 2003-06-17 | 2004-12-20 | Tno | Lichtemitterende diode. |
WO2005043479A1 (fr) | 2003-10-23 | 2005-05-12 | Terence Cole Martin | Amelioration(s) concernant la surveillance de particules et procede(s) correspondant(s) |
GB2421788A (en) * | 2004-12-21 | 2006-07-05 | Rolls Royce Plc | Fire warning system |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1036996A (fr) * | 1951-05-11 | 1953-09-14 | Siderurgie Fse Inst Rech | Pyromètre optique |
DE2108707A1 (de) * | 1971-02-24 | 1972-09-07 | Portscht R | Rauchdetektor nach dem Streulichtprinzip bei zwei Wellenlängen |
CH565421A5 (fr) * | 1974-05-10 | 1975-08-15 | Cerberus Ag |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1327231A (en) * | 1970-01-07 | 1973-08-15 | Nat Res Dev | Fire detecting apparatus |
US3643093A (en) * | 1970-05-25 | 1972-02-15 | Mc Graw Edison Co | Ultraviolet detector system |
SE335080B (fr) * | 1970-07-24 | 1971-05-10 | Ericsson Telefon Ab L M | |
US3846772A (en) * | 1972-08-11 | 1974-11-05 | Chubb Fire Security Ltd | Fire detector responsive to amplitude modulation of a pulsed em beam |
GB1405615A (en) * | 1972-08-11 | 1975-09-10 | Chubb Fire Security Ltd | Fire alarms |
US3799672A (en) * | 1972-09-15 | 1974-03-26 | Us Health Education & Welfare | Oximeter for monitoring oxygen saturation in blood |
-
1976
- 1976-04-15 SE SE7604502A patent/SE7604502L/ not_active IP Right Cessation
-
1977
- 1977-03-22 AU AU23485/77A patent/AU499326B2/en not_active Expired
- 1977-03-22 US US05/780,009 patent/US4119949A/en not_active Expired - Lifetime
- 1977-03-29 FI FI770982A patent/FI61769C/sv not_active IP Right Cessation
- 1977-03-30 DE DE19772714130 patent/DE2714130A1/de active Granted
- 1977-04-04 CH CH417777A patent/CH613064A5/xx not_active IP Right Cessation
- 1977-04-07 BE BE176536A patent/BE853380A/fr not_active IP Right Cessation
- 1977-04-12 GB GB15186/77A patent/GB1527965A/en not_active Expired
- 1977-04-13 IT IT22411/77A patent/IT1077786B/it active
- 1977-04-13 CA CA276,037A patent/CA1082336A/fr not_active Expired
- 1977-04-14 NO NO771312A patent/NO138306C/no unknown
- 1977-04-14 DK DK166177A patent/DK166177A/da not_active IP Right Cessation
- 1977-04-14 FR FR7711302A patent/FR2366653A1/fr active Granted
- 1977-04-15 NL NL7704154A patent/NL7704154A/xx not_active Application Discontinuation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1036996A (fr) * | 1951-05-11 | 1953-09-14 | Siderurgie Fse Inst Rech | Pyromètre optique |
DE2108707A1 (de) * | 1971-02-24 | 1972-09-07 | Portscht R | Rauchdetektor nach dem Streulichtprinzip bei zwei Wellenlängen |
CH565421A5 (fr) * | 1974-05-10 | 1975-08-15 | Cerberus Ag |
Also Published As
Publication number | Publication date |
---|---|
FI61769B (fi) | 1982-05-31 |
NO138306B (no) | 1978-05-02 |
US4119949A (en) | 1978-10-10 |
AU2348577A (en) | 1978-09-28 |
FR2366653B1 (fr) | 1982-10-29 |
IT1077786B (it) | 1985-05-04 |
NL7704154A (nl) | 1977-10-18 |
SE7604502L (sv) | 1977-10-16 |
GB1527965A (en) | 1978-10-11 |
DE2714130C2 (fr) | 1987-12-17 |
CH613064A5 (fr) | 1979-08-31 |
FI770982A (fr) | 1977-10-16 |
DK166177A (da) | 1977-10-16 |
DE2714130A1 (de) | 1977-10-27 |
NO771312L (no) | 1977-10-18 |
FI61769C (fi) | 1982-09-10 |
NO138306C (no) | 1978-08-16 |
CA1082336A (fr) | 1980-07-22 |
AU499326B2 (en) | 1979-04-12 |
BE853380A (fr) | 1977-08-01 |
SE396831B (sv) | 1977-10-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2366653A1 (fr) | Detecteur optique d'incendie | |
US5026992A (en) | Spectral ratioing technique for NDIR gas analysis using a differential temperature source | |
US3947129A (en) | Apparatus for contactless measuring of the dimensions of objects | |
US3335285A (en) | Photoelectric system for detecting objects in a zone including vibrating light source | |
AR246130A1 (es) | Un circuito sensor de fuego a canal dual con discriminacion de espectro de frecuencia de destello o parpadeo. | |
US3539804A (en) | Fluid analysis by infrared absorption | |
GB1533192A (en) | Smoke sensor | |
CN109712367A (zh) | 烟雾探测器及烟雾探测方法 | |
SE7411973L (sv) | Forfarande for flamdetektering samt en anordning for genomforandet av forfarandet | |
ATE45812T1 (de) | Durch infrarotabsorption wirkende gasdetektionseinrichtung. | |
ES531676A0 (es) | Perfeccionamientos en detectores de humo de tipo fotoelectrico | |
GB1469045A (en) | Transmission detector | |
GB1406018A (en) | Optical measuring apparatus | |
ES2175790T3 (es) | Deteccion de particulas con alta sensibilidad. | |
FR2356124A1 (fr) | Dispositif opto-electrique d'analyse et de detection de rayonnement | |
US3812348A (en) | Device for electro-optically ascertaining holes in moving webs | |
GB1307398A (en) | Web inspection system | |
KR840009018A (ko) | 화재 감지장치 | |
US3921001A (en) | Screening or aperture device for an x-ray apparatus | |
KR940018064A (ko) | 방사선 카메라 시스템 | |
JPS5999278A (ja) | 放射光パタ−ンの変化を検知する装置と方法 | |
JPS588029B2 (ja) | カサイカンチキ | |
SE8101921L (sv) | Optisk branddetektor | |
JPS5390980A (en) | Optical detector | |
NL163160B (nl) | Biaxiaal gestrekte buisvormige, uit twee of drie lagen bestaande film met gasafdichtende eigenschappen. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
ST | Notification of lapse |