AT248923B - Ionisations-Brandmeldeanlage - Google Patents
Ionisations-BrandmeldeanlageInfo
- Publication number
- AT248923B AT248923B AT793961A AT793961A AT248923B AT 248923 B AT248923 B AT 248923B AT 793961 A AT793961 A AT 793961A AT 793961 A AT793961 A AT 793961A AT 248923 B AT248923 B AT 248923B
- Authority
- AT
- Austria
- Prior art keywords
- alarm system
- fire alarm
- ionization fire
- ionization
- 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
-
- 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)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Toxicology (AREA)
- Electrochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Fire-Detection Mechanisms (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1225960A CH380594A (de) | 1960-11-02 | 1960-11-02 | Ionisations-Brandmeldeanlage |
Publications (1)
Publication Number | Publication Date |
---|---|
AT248923B true AT248923B (de) | 1966-08-25 |
Family
ID=4381351
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT793961A AT248923B (de) | 1960-11-02 | 1961-10-20 | Ionisations-Brandmeldeanlage |
Country Status (4)
Country | Link |
---|---|
US (1) | US3235858A (de) |
AT (1) | AT248923B (de) |
CH (1) | CH380594A (de) |
DE (1) | DE1183838B (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE638121A (de) * | 1962-10-12 | |||
CH473431A (de) * | 1966-05-09 | 1969-05-31 | Cerberus Ag Werk Fuer Elektron | Verfahren zur Betriebsüberwachung von Feuermeldern |
US3657713A (en) * | 1969-06-02 | 1972-04-18 | Nittan Co Ltd | Device for testing ionization smoke detector |
US3805259A (en) * | 1970-12-29 | 1974-04-16 | Inoue Japax Res | Smoke and fire alarm system |
US3987423A (en) * | 1975-12-22 | 1976-10-19 | The United States Of America As Represented By The United States Energy Research And Development Administration | Ionization-chamber smoke detector system |
US4027165A (en) * | 1976-02-17 | 1977-05-31 | The United States Of America As Represented By The United States Energy Research And Development Administration | Ionization detection system for aerosols |
US4238788A (en) * | 1978-01-03 | 1980-12-09 | Teledyne Industries, Inc. | System for detecting a combustion process |
US4456907A (en) * | 1981-01-12 | 1984-06-26 | Pyrotector, Inc. | Ionization type smoke detector with test circuit |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2145866A (en) * | 1929-08-14 | 1939-02-07 | Gioacchino Failla | Electrotechnique |
BE393134A (de) * | 1932-11-07 | |||
US2621239A (en) * | 1950-08-22 | 1952-12-09 | Photoswitch Inc | Heat detector for aircraft |
GB831812A (en) * | 1957-02-01 | 1960-03-30 | Minerva Detector Company Ltd | Improvements in or relating to fire detectors |
NL224264A (de) * | 1957-10-24 | |||
CH355380A (de) * | 1957-10-30 | 1961-06-30 | Cerberus Gmbh | Einrichtung zur Feststellung von Änderungen in der Zusammensetzung eines Gases |
US3056123A (en) * | 1958-07-29 | 1962-09-25 | Tung Sol Electric Inc | Radiation alarm or the like |
-
1960
- 1960-11-02 CH CH1225960A patent/CH380594A/de unknown
-
1961
- 1961-10-20 AT AT793961A patent/AT248923B/de active
- 1961-10-21 DE DES76376A patent/DE1183838B/de active Pending
- 1961-10-30 US US148674A patent/US3235858A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CH380594A (de) | 1964-07-31 |
US3235858A (en) | 1966-02-15 |
DE1183838B (de) | 1964-12-17 |
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