BE767246A - Avertisseur d'incendie a ionisation - Google Patents
Avertisseur d'incendie a ionisationInfo
- Publication number
- BE767246A BE767246A BE767246A BE767246A BE767246A BE 767246 A BE767246 A BE 767246A BE 767246 A BE767246 A BE 767246A BE 767246 A BE767246 A BE 767246A BE 767246 A BE767246 A BE 767246A
- Authority
- BE
- Belgium
- Prior art keywords
- fire alarm
- ionization fire
- ionization
- alarm
- fire
- Prior art date
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
- G08B17/11—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)
- Analytical Chemistry (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fire-Detection Mechanisms (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2024116 | 1970-05-16 | ||
DE19712121382 DE2121382A1 (de) | 1971-04-30 | 1971-04-30 | Iomsations Feuermelder |
Publications (1)
Publication Number | Publication Date |
---|---|
BE767246A true BE767246A (fr) | 1971-11-17 |
Family
ID=25759156
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE767246A BE767246A (fr) | 1970-05-16 | 1971-05-17 | Avertisseur d'incendie a ionisation |
Country Status (9)
Country | Link |
---|---|
US (1) | US3795904A (fr) |
AR (1) | AR199378A1 (fr) |
BE (1) | BE767246A (fr) |
CA (1) | CA948332A (fr) |
CH (1) | CH539310A (fr) |
ES (1) | ES197895Y (fr) |
FR (1) | FR2090086B1 (fr) |
GB (1) | GB1329475A (fr) |
NO (1) | NO129270B (fr) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3906474A (en) * | 1973-05-07 | 1975-09-16 | Fire Alert Company | Combustion products alarm |
FR2402256A1 (fr) * | 1977-08-29 | 1979-03-30 | Debard Robert | Detecteur, notamment d'incendie |
US4208655A (en) * | 1978-02-21 | 1980-06-17 | Westinghouse Electric Corp. | Protective system for electrical apparatus |
USRE30620E (en) * | 1978-07-03 | 1981-05-19 | P. R. Mallory & Co. Inc. | High output smoke and heat detector alarm system utilizing a piezoelectric transducer and a voltage doubling means |
ZA786519B (en) * | 1978-11-20 | 1980-02-27 | Anglo Amer Corp South Africa | Detector |
US4383253A (en) * | 1979-01-29 | 1983-05-10 | International Quartz Ltd. | Ionization smoke detector |
US4270123A (en) * | 1979-02-26 | 1981-05-26 | Universal Det, S.A.R.L. | Detector for indicating a fire or detector malfunction |
DE3004753C2 (de) * | 1980-02-08 | 1983-12-22 | Hartwig Dipl.-Ing. 2409 Scharbeutz Beyersdorf | Brandmeldeeinrichtung |
US5189399A (en) * | 1989-02-18 | 1993-02-23 | Hartwig Beyersdorf | Method of operating an ionization smoke alarm and ionization smoke alarm |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2950387A (en) * | 1957-08-16 | 1960-08-23 | Bell & Howell Co | Gas analysis |
NL224264A (fr) * | 1957-10-24 | |||
LU48167A1 (fr) * | 1965-03-11 | 1966-09-12 | Applic Electroniques Ets | |
FR1494089A (fr) * | 1965-03-11 | 1967-09-08 | Pour Applic Electroniques Ets | Circuit de détection et de mesure de signaux, notamment de signaux dérivés de l'ionisation d'un milieu, particulièrement d'un milieu gazeux |
CH446131A (de) * | 1966-02-22 | 1967-10-31 | Cerberus Ag | Ionisationsfeuermelderanlage |
CH497755A (de) * | 1969-06-24 | 1970-10-15 | Cerberus Ag | Ionisationsfeuermelder |
-
1971
- 1971-05-12 NO NO01806/71A patent/NO129270B/no unknown
- 1971-05-13 US US00142892A patent/US3795904A/en not_active Expired - Lifetime
- 1971-05-14 ES ES1971197895U patent/ES197895Y/es not_active Expired
- 1971-05-14 CA CA113,051A patent/CA948332A/en not_active Expired
- 1971-05-14 CH CH717471A patent/CH539310A/de not_active IP Right Cessation
- 1971-05-14 FR FR7117530A patent/FR2090086B1/fr not_active Expired
- 1971-05-17 BE BE767246A patent/BE767246A/fr unknown
- 1971-05-17 GB GB1528571*[A patent/GB1329475A/en not_active Expired
- 1971-05-17 AR AR235587A patent/AR199378A1/es active
Also Published As
Publication number | Publication date |
---|---|
US3795904A (en) | 1974-03-05 |
CA948332A (en) | 1974-05-28 |
FR2090086B1 (fr) | 1975-01-17 |
AR199378A1 (es) | 1974-08-30 |
ES197895Y (es) | 1975-10-01 |
ES197895U (es) | 1975-05-01 |
FR2090086A1 (fr) | 1972-01-14 |
CH539310A (de) | 1973-07-15 |
GB1329475A (en) | 1973-09-12 |
NO129270B (fr) | 1974-03-18 |
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