CH432305A - Fire detection device - Google Patents
Fire detection deviceInfo
- Publication number
- CH432305A CH432305A CH1337964A CH1337964A CH432305A CH 432305 A CH432305 A CH 432305A CH 1337964 A CH1337964 A CH 1337964A CH 1337964 A CH1337964 A CH 1337964A CH 432305 A CH432305 A CH 432305A
- Authority
- CH
- Switzerland
- Prior art keywords
- detection device
- fire detection
- fire
- detection
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/06—Fire prevention, containment or extinguishing specially adapted for particular objects or places of highly inflammable material, e.g. light metals, petroleum products
-
- 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
- G01N27/62—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode
- G01N27/64—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode using wave or particle radiation to ionise a gas, e.g. in an ionisation chamber
- G01N27/66—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode using wave or particle radiation to ionise a gas, e.g. in an ionisation chamber and measuring current or voltage
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T7/00—Details of radiation-measuring instruments
- G01T7/12—Provision for actuation of an alarm
- G01T7/125—Alarm- or controlling circuits using ionisation chambers, proportional counters or Geiger-Mueller tubes, also functioning as UV detectors
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Emergency Management (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Business, Economics & Management (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Pathology (AREA)
- Electrochemistry (AREA)
- Immunology (AREA)
- Biochemistry (AREA)
- High Energy & Nuclear Physics (AREA)
- Molecular Biology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Public Health (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Fire-Detection Mechanisms (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| LU44637 | 1963-10-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH432305A true CH432305A (en) | 1967-03-15 |
Family
ID=19723529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1337964A CH432305A (en) | 1963-10-16 | 1964-10-15 | Fire detection device |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH432305A (en) |
| FR (1) | FR1420444A (en) |
| GB (1) | GB1054089A (en) |
| LU (1) | LU44637A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2158312A (en) * | 1984-04-28 | 1985-11-06 | Smith Meters Ltd | Transistor circuits |
| CN118629144B (en) * | 2024-05-31 | 2025-03-21 | 北京青鸟环宇消防系统软件服务有限公司 | Aspirating smoke fire detector, fire protection system, air flow detection circuit and method |
-
0
- GB GB1054089D patent/GB1054089A/en not_active Expired
-
1963
- 1963-10-16 LU LU44637D patent/LU44637A1/xx unknown
-
1964
- 1964-10-15 FR FR991543A patent/FR1420444A/en not_active Expired
- 1964-10-15 CH CH1337964A patent/CH432305A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1054089A (en) | 1900-01-01 |
| FR1420444A (en) | 1965-12-10 |
| LU44637A1 (en) | 1963-12-16 |
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