CH539902A - Rauchdetektor zum optischen Ermitteln der bei Bränden erzeugten Aerosole - Google Patents
Rauchdetektor zum optischen Ermitteln der bei Bränden erzeugten AerosoleInfo
- Publication number
- CH539902A CH539902A CH1085671A CH1085671A CH539902A CH 539902 A CH539902 A CH 539902A CH 1085671 A CH1085671 A CH 1085671A CH 1085671 A CH1085671 A CH 1085671A CH 539902 A CH539902 A CH 539902A
- Authority
- CH
- Switzerland
- Prior art keywords
- generated during
- smoke detector
- optical determination
- aerosols generated
- during fires
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
- G01N21/53—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/01—Control of temperature without auxiliary power
- G05D23/02—Control of temperature without auxiliary power with sensing element expanding and contracting in response to changes of temperature
- G05D23/08—Control of temperature without auxiliary power with sensing element expanding and contracting in response to changes of temperature with bimetallic element
-
- 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
-
- 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
- G08B17/113—Constructional details
Landscapes
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Health & Medical Sciences (AREA)
- Automation & Control Theory (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Fire-Detection Mechanisms (AREA)
- Outer Garments And Coats (AREA)
- Helmets And Other Head Coverings (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE10237/70A SE335080B (fi) | 1970-07-24 | 1970-07-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH539902A true CH539902A (de) | 1973-07-31 |
Family
ID=20291970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1085671A CH539902A (de) | 1970-07-24 | 1971-07-23 | Rauchdetektor zum optischen Ermitteln der bei Bränden erzeugten Aerosole |
Country Status (8)
| Country | Link |
|---|---|
| CH (1) | CH539902A (fi) |
| DE (1) | DE2134563A1 (fi) |
| DK (1) | DK127616B (fi) |
| FI (1) | FI53521C (fi) |
| FR (1) | FR2104804B1 (fi) |
| GB (1) | GB1342266A (fi) |
| NO (1) | NO126936B (fi) |
| SE (1) | SE335080B (fi) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE7604502L (sv) * | 1976-04-15 | 1977-10-16 | Ericsson Telefon Ab L M | Optisk branddetektor |
| GB2005404A (en) * | 1977-09-26 | 1979-04-19 | Bendix Corp | "Dust Monitor" |
| GB2272760A (en) * | 1992-11-20 | 1994-05-25 | Thorn Security | Optical detection of combustion products |
| CN107991236B (zh) * | 2017-12-04 | 2020-08-25 | 华北电力大学（保定） | 微生物气溶胶检测装置 |
| CN114018853B (zh) * | 2021-11-24 | 2024-03-26 | 青岛崂应海纳光电环保集团有限公司 | 光度计气室及气体分析模块 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE494410A (fi) * | ||||
| GB715519A (en) * | 1952-08-13 | 1954-09-15 | Kidde Walter Co Ltd | Method and apparatus for detection of smoke |
-
1970
- 1970-07-24 SE SE10237/70A patent/SE335080B/xx unknown
-
1971
- 1971-06-17 FI FI1709/71A patent/FI53521C/fi active
- 1971-07-06 DE DE19712134563 patent/DE2134563A1/de active Pending
- 1971-07-15 GB GB3337871A patent/GB1342266A/en not_active Expired
- 1971-07-23 NO NO02814/71A patent/NO126936B/no unknown
- 1971-07-23 DK DK365271AA patent/DK127616B/da unknown
- 1971-07-23 CH CH1085671A patent/CH539902A/de not_active IP Right Cessation
- 1971-07-23 FR FR7127021A patent/FR2104804B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FI53521C (fi) | 1978-05-10 |
| FI53521B (fi) | 1978-01-31 |
| FR2104804B1 (fi) | 1975-07-11 |
| DE2134563A1 (de) | 1972-01-27 |
| NO126936B (fi) | 1973-04-09 |
| SE335080B (fi) | 1971-05-10 |
| FR2104804A1 (fi) | 1972-04-21 |
| GB1342266A (en) | 1974-01-03 |
| DK127616B (da) | 1973-12-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AR202937A1 (es) | Aparato extinguidor de fuego | |
| IT952810B (it) | Estintore antincendio | |
| CS183622B2 (en) | Platform for suspended scaffold | |
| IT1007859B (it) | Rivelatore di incendio incipiente | |
| BE796166A (fr) | Detecteur de fumee | |
| BE768192A (fr) | Appareil extincteur perfectionne | |
| AR196020A1 (es) | Detector de humo | |
| IL37998A0 (en) | Automatic fire extinguishing apparatus | |
| BE790355A (fr) | Detecteur de fumee | |
| NO146639C (no) | Fremgangsmaate for fjerning av vinylklorid fra polyvinylkloridholdige latekser | |
| CH539902A (de) | Rauchdetektor zum optischen Ermitteln der bei Bränden erzeugten Aerosole | |
| AT372789B (de) | Vorrichtung zum bestimmen der rauchdichte von rauchgasen | |
| GB1135146A (en) | Optical devices for examination of smoke or dust laden gas | |
| IT1017844B (it) | Otturatore ottico per la verifica del funzionamento di rivelatori di fiamma | |
| FI56799B (fi) | Foerfarande och anordning foer detektering av hjulplattor pao raelsgaoende fordon | |
| ZA71788B (en) | Smoke detecting device | |
| SE439209B (sv) | Branddetektor | |
| SE7513301L (sv) | Rokdetektor | |
| FR2317647A1 (fr) | Detecteur de fumee | |
| ATA183273A (de) | Verfahren zum filtern von rauch- oder staub- gasen | |
| AT355957B (de) | Ionisationsrauchmelder | |
| CH526178A (de) | Rauchmelder | |
| CH520990A (de) | Rauchdetektor | |
| CH537067A (de) | Rauchmelder | |
| CH534403A (de) | Rauchdetektor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |