DK127616B - Smoke detector for optical detection of combustion-generated aerosols. - Google Patents
Smoke detector for optical detection of combustion-generated aerosols.Info
- Publication number
- DK127616B DK127616B DK365271AA DK365271A DK127616B DK 127616 B DK127616 B DK 127616B DK 365271A A DK365271A A DK 365271AA DK 365271 A DK365271 A DK 365271A DK 127616 B DK127616 B DK 127616B
- Authority
- DK
- Denmark
- Prior art keywords
- combustion
- optical detection
- smoke detector
- generated aerosols
- aerosols
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE10237/70A SE335080B (en) | 1970-07-24 | 1970-07-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
DK127616B true DK127616B (en) | 1973-12-03 |
Family
ID=20291970
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK365271AA DK127616B (en) | 1970-07-24 | 1971-07-23 | Smoke detector for optical detection of combustion-generated aerosols. |
Country Status (8)
Country | Link |
---|---|
CH (1) | CH539902A (en) |
DE (1) | DE2134563A1 (en) |
DK (1) | DK127616B (en) |
FI (1) | FI53521C (en) |
FR (1) | FR2104804B1 (en) |
GB (1) | GB1342266A (en) |
NO (1) | NO126936B (en) |
SE (1) | SE335080B (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE7604502L (en) * | 1976-04-15 | 1977-10-16 | Ericsson Telefon Ab L M | OPTICAL FIRE DETECTOR |
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 (en) * | 2017-12-04 | 2020-08-25 | 华北电力大学(保定) | Microbial aerosol detection device |
CN114018853B (en) * | 2021-11-24 | 2024-03-26 | 青岛崂应海纳光电环保集团有限公司 | Photometer air chamber and gas analysis module |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE494410A (en) * | ||||
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/en active
- 1971-07-06 DE DE19712134563 patent/DE2134563A1/en active Pending
- 1971-07-15 GB GB3337871A patent/GB1342266A/en not_active Expired
- 1971-07-23 FR FR7127021A patent/FR2104804B1/fr not_active Expired
- 1971-07-23 CH CH1085671A patent/CH539902A/en not_active IP Right Cessation
- 1971-07-23 DK DK365271AA patent/DK127616B/en unknown
- 1971-07-23 NO NO02814/71A patent/NO126936B/no unknown
Also Published As
Publication number | Publication date |
---|---|
CH539902A (en) | 1973-07-31 |
FR2104804A1 (en) | 1972-04-21 |
GB1342266A (en) | 1974-01-03 |
DE2134563A1 (en) | 1972-01-27 |
SE335080B (en) | 1971-05-10 |
NO126936B (en) | 1973-04-09 |
FR2104804B1 (en) | 1975-07-11 |
FI53521C (en) | 1978-05-10 |
FI53521B (en) | 1978-01-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
AT346097B (en) | OPTOELECTRONIC FOCUSING DETECTION SYSTEM | |
NL7712109A (en) | OPTICAL SMOKE DETECTOR. | |
NL7415489A (en) | OPTICAL DETECTOR. | |
IT1024818B (en) | GAS DETECTOR SYSTEM | |
AT344547B (en) | AUTOMATIC FIRE DETECTION SYSTEM | |
IT1007859B (en) | INCIPIENT FIRE DETECTOR | |
NO139581C (en) | IONISATION SMOKE DETECTOR. | |
AR196020A1 (en) | SMOKE DETECTOR | |
DK137293B (en) | Fire Detector. | |
DK136281B (en) | Detector for detecting surface defects. | |
SE7504386L (en) | PHOTOELECTRIC SMOKE DETECTOR. | |
NL7704154A (en) | OPTICAL FIRE DETECTOR. | |
CH506149A (en) | Smoke detector device | |
DK125938B (en) | Ionization fire detector. | |
DK151751C (en) | AMPLIFIER CONTROLLED SYNCHRONOUS DETECTOR | |
DK127616B (en) | Smoke detector for optical detection of combustion-generated aerosols. | |
DE2159140B2 (en) | PHOTOELECTRIC DETECTOR SYSTEM | |
NL150595B (en) | IONIZATION SMOKE DETECTOR. | |
CH526178A (en) | smoke detector | |
SE7513301L (en) | SMOKE DETECTOR | |
IT981211B (en) | PHOTOMETRIC FLAME DETECTOR | |
NL144410B (en) | SMOKE DETECTOR CHAIN. | |
AU3716271A (en) | Optical smoke detector | |
CH513479A (en) | smoke detector | |
AT306217B (en) | Automatic gas burner system |