GB1027994A - Improvements relating to gas detecting apparatus - Google Patents
Improvements relating to gas detecting apparatusInfo
- Publication number
- GB1027994A GB1027994A GB40411/61A GB4041161A GB1027994A GB 1027994 A GB1027994 A GB 1027994A GB 40411/61 A GB40411/61 A GB 40411/61A GB 4041161 A GB4041161 A GB 4041161A GB 1027994 A GB1027994 A GB 1027994A
- Authority
- GB
- United Kingdom
- Prior art keywords
- detecting apparatus
- improvements relating
- gas detecting
- gas
- relating
- 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
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
- G08B17/117—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means by using a detection device for specific gases, e.g. combustion products, produced by the fire
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/14—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature
- G01N27/16—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature caused by burning or catalytic oxidation of surrounding material to be tested, e.g. of gas
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Emergency Management (AREA)
- Business, Economics & Management (AREA)
- Electrochemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB40411/61A GB1027994A (en) | 1961-11-10 | 1961-11-10 | Improvements relating to gas detecting apparatus |
| JP4941962A JPS3928700B1 (en) | 1961-11-10 | 1962-01-01 | |
| FR914377A FR1339133A (en) | 1961-11-10 | 1962-11-05 | Device for gas detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB40411/61A GB1027994A (en) | 1961-11-10 | 1961-11-10 | Improvements relating to gas detecting apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1027994A true GB1027994A (en) | 1966-05-04 |
Family
ID=10414771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB40411/61A Expired GB1027994A (en) | 1961-11-10 | 1961-11-10 | Improvements relating to gas detecting apparatus |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS3928700B1 (en) |
| FR (1) | FR1339133A (en) |
| GB (1) | GB1027994A (en) |
-
1961
- 1961-11-10 GB GB40411/61A patent/GB1027994A/en not_active Expired
-
1962
- 1962-01-01 JP JP4941962A patent/JPS3928700B1/ja active Pending
- 1962-11-05 FR FR914377A patent/FR1339133A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1339133A (en) | 1963-10-04 |
| JPS3928700B1 (en) | 1964-12-11 |
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