BE832768A - Perfectionnements relatifs aux detecteurs d'incendie - Google Patents
Perfectionnements relatifs aux detecteurs d'incendieInfo
- Publication number
- BE832768A BE832768A BE159485A BE159485A BE832768A BE 832768 A BE832768 A BE 832768A BE 159485 A BE159485 A BE 159485A BE 159485 A BE159485 A BE 159485A BE 832768 A BE832768 A BE 832768A
- Authority
- BE
- Belgium
- Prior art keywords
- fire detectors
- improvements related
- detectors
- fire
- Prior art date
Links
Classifications
-
- 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
- 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
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Business, Economics & Management (AREA)
- Biochemistry (AREA)
- Emergency Management (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Fire-Detection Mechanisms (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
- Control Of Combustion (AREA)
- Fire Alarms (AREA)
- Sampling And Sample Adjustment (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ZA00745453A ZA745453B (en) | 1974-08-26 | 1974-08-26 | Improvements in or relating to fire detectors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE832768A true BE832768A (fr) | 1975-12-16 |
Family
ID=25568066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE159485A BE832768A (fr) | 1974-08-26 | 1975-08-26 | Perfectionnements relatifs aux detecteurs d'incendie |
Country Status (21)
| Country | Link |
|---|---|
| JP (1) | JPS5635236B2 (fr) |
| AU (1) | AU501762B2 (fr) |
| BE (1) | BE832768A (fr) |
| BR (1) | BR7505431A (fr) |
| CA (1) | CA1042088A (fr) |
| CH (1) | CH600455A5 (fr) |
| DE (1) | DE2537598C3 (fr) |
| DK (1) | DK136793B (fr) |
| FR (1) | FR2283492A1 (fr) |
| GB (1) | GB1492193A (fr) |
| IE (1) | IE41452B1 (fr) |
| IN (1) | IN143233B (fr) |
| IT (1) | IT1042015B (fr) |
| LU (1) | LU73252A1 (fr) |
| NL (1) | NL167785C (fr) |
| NO (1) | NO138307C (fr) |
| PH (1) | PH11514A (fr) |
| SE (1) | SE439209B (fr) |
| SU (1) | SU703038A3 (fr) |
| YU (1) | YU37410B (fr) |
| ZA (1) | ZA745453B (fr) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2711457C2 (de) * | 1977-03-16 | 1985-06-27 | Siemens AG, 1000 Berlin und 8000 München | Ionisationsbrandmelder |
| CH681932A5 (fr) * | 1990-12-04 | 1993-06-15 | Cerberus Ag | |
| CH682423A5 (de) * | 1991-03-13 | 1993-09-15 | Asea Brown Boveri | Verfahren und Vorrichtung zur Messung der Konzentration von in einem Gas befindlichen Partikeln. |
| DE102004020489B4 (de) * | 2004-04-26 | 2007-06-28 | Minimax Gmbh & Co. Kg | Brandmelder für Einsatz in Außenatmosphäre |
| CN110185461A (zh) * | 2019-06-28 | 2019-08-30 | 中交路桥建设有限公司 | 实时探测隧道地质条件的盾构机 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2408051A (en) * | 1942-04-04 | 1946-09-24 | American District Telegraph Co | Fire and smoke detector and the like |
| DE2204930C3 (de) * | 1971-02-08 | 1974-06-20 | Veb Rft Messelektronik Otto Schoen, X 8016 Dresden | Ionisationsfeuermelder |
| JPS485979U (fr) * | 1971-06-04 | 1973-01-23 |
-
1974
- 1974-08-26 ZA ZA00745453A patent/ZA745453B/xx unknown
-
1975
- 1975-08-19 GB GB34390/75A patent/GB1492193A/en not_active Expired
- 1975-08-19 IE IE1827/75A patent/IE41452B1/en unknown
- 1975-08-19 IN IN1615/CAL/75A patent/IN143233B/en unknown
- 1975-08-20 AU AU84121/75A patent/AU501762B2/en not_active Expired
- 1975-08-21 CH CH1087075A patent/CH600455A5/xx not_active IP Right Cessation
- 1975-08-21 NL NL7509918A patent/NL167785C/xx not_active IP Right Cessation
- 1975-08-23 DE DE2537598A patent/DE2537598C3/de not_active Expired
- 1975-08-25 CA CA234,041A patent/CA1042088A/fr not_active Expired
- 1975-08-25 PH PH17497A patent/PH11514A/en unknown
- 1975-08-25 NO NO75752918A patent/NO138307C/no unknown
- 1975-08-25 IT IT26556/75A patent/IT1042015B/it active
- 1975-08-25 BR BR7505431*A patent/BR7505431A/pt unknown
- 1975-08-25 LU LU73252A patent/LU73252A1/xx unknown
- 1975-08-25 SU SU752167381A patent/SU703038A3/ru active
- 1975-08-26 SE SE7509478A patent/SE439209B/xx not_active IP Right Cessation
- 1975-08-26 YU YU2167/75A patent/YU37410B/xx unknown
- 1975-08-26 BE BE159485A patent/BE832768A/fr not_active IP Right Cessation
- 1975-08-26 FR FR7526259A patent/FR2283492A1/fr active Granted
- 1975-08-26 DK DK384275AA patent/DK136793B/da unknown
- 1975-08-26 JP JP10336475A patent/JPS5635236B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2537598B2 (de) | 1980-11-06 |
| CA1042088A (fr) | 1978-11-07 |
| JPS5635236B2 (fr) | 1981-08-15 |
| BR7505431A (pt) | 1976-08-03 |
| IT1042015B (it) | 1980-01-30 |
| NO752918L (fr) | 1976-02-27 |
| FR2283492B1 (fr) | 1979-05-04 |
| JPS5149784A (fr) | 1976-04-30 |
| DE2537598C3 (de) | 1984-12-20 |
| DK384275A (fr) | 1976-02-27 |
| SU703038A3 (ru) | 1979-12-05 |
| SE7509478L (sv) | 1976-02-27 |
| NO138307C (no) | 1978-08-16 |
| AU501762B2 (en) | 1979-06-28 |
| PH11514A (en) | 1978-02-01 |
| LU73252A1 (fr) | 1976-05-31 |
| SE439209B (sv) | 1985-06-03 |
| DK136793B (da) | 1977-11-21 |
| CH600455A5 (fr) | 1978-06-15 |
| ZA745453B (en) | 1976-04-28 |
| IN143233B (fr) | 1977-10-22 |
| IE41452L (en) | 1976-02-26 |
| YU216775A (en) | 1983-04-27 |
| NO138307B (no) | 1978-05-02 |
| IE41452B1 (en) | 1980-01-02 |
| GB1492193A (en) | 1977-11-16 |
| FR2283492A1 (fr) | 1976-03-26 |
| AU8412175A (en) | 1977-02-24 |
| YU37410B (en) | 1984-08-31 |
| DE2537598A1 (de) | 1976-03-11 |
| NL167785B (nl) | 1981-08-17 |
| NL7509918A (nl) | 1976-03-01 |
| NL167785C (nl) | 1982-01-18 |
| DK136793C (fr) | 1978-04-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE | Patent lapsed |
Owner name: ANGLO AMERICAN CORP. OF SOUTH AFRICA LTD Effective date: 19900831 |