DE1616020B2 - Feuermeldevorrichtung - Google Patents
FeuermeldevorrichtungInfo
- Publication number
- DE1616020B2 DE1616020B2 DE19681616020 DE1616020A DE1616020B2 DE 1616020 B2 DE1616020 B2 DE 1616020B2 DE 19681616020 DE19681616020 DE 19681616020 DE 1616020 A DE1616020 A DE 1616020A DE 1616020 B2 DE1616020 B2 DE 1616020B2
- Authority
- DE
- Germany
- Prior art keywords
- alarm device
- fire alarm
- ionization chamber
- housing
- common electrode
- 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.)
- Withdrawn
Links
- 230000005855 radiation Effects 0.000 claims description 17
- 230000002285 radioactive effect Effects 0.000 claims description 13
- 239000002245 particle Substances 0.000 claims description 5
- 230000005684 electric field Effects 0.000 claims description 3
- 229920006395 saturated elastomer Polymers 0.000 claims 1
- 238000005192 partition Methods 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/12—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions
-
- 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
- G08B17/113—Constructional details
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- High Energy & Nuclear Physics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (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 |
---|---|---|---|
FR94266A FR1540305A (fr) | 1967-02-09 | 1967-02-09 | Dispositif perfectionné de détection d'incendie |
Publications (2)
Publication Number | Publication Date |
---|---|
DE1616020A1 DE1616020A1 (de) | 1971-03-04 |
DE1616020B2 true DE1616020B2 (de) | 1976-02-12 |
Family
ID=8625028
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19681616020 Withdrawn DE1616020B2 (de) | 1967-02-09 | 1968-02-09 | Feuermeldevorrichtung |
Country Status (8)
Country | Link |
---|---|
US (1) | US3582646A (sv) |
AT (1) | AT292510B (sv) |
BE (1) | BE710468A (sv) |
DE (1) | DE1616020B2 (sv) |
ES (1) | ES350324A1 (sv) |
FR (1) | FR1540305A (sv) |
GB (1) | GB1144624A (sv) |
NL (1) | NL161280C (sv) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3935492A (en) * | 1970-11-13 | 1976-01-27 | Nittan Company, Ltd. | Ionization smoke detector |
US3832552A (en) * | 1973-06-22 | 1974-08-27 | Honeywell Inc | Dual chamber ionization smoke detector |
FR2528980A1 (fr) * | 1982-06-17 | 1983-12-23 | Pgep | Detecteur de niveau d'ionisation d'un milieu gazeux controle par arc electrique |
CN107219548B (zh) * | 2017-07-31 | 2023-10-27 | 四川省核地质调查研究所 | 一种便携式反康普顿探测仪 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL99411C (sv) * | 1957-01-25 | |||
CH355380A (de) * | 1957-10-30 | 1961-06-30 | Cerberus Gmbh | Einrichtung zur Feststellung von Änderungen in der Zusammensetzung eines Gases |
NL298945A (sv) * | 1962-10-12 |
-
1967
- 1967-02-09 FR FR94266A patent/FR1540305A/fr not_active Expired
-
1968
- 1968-02-06 US US703348A patent/US3582646A/en not_active Expired - Lifetime
- 1968-02-06 GB GB5834/68A patent/GB1144624A/en not_active Expired
- 1968-02-07 BE BE710468D patent/BE710468A/xx not_active IP Right Cessation
- 1968-02-09 DE DE19681616020 patent/DE1616020B2/de not_active Withdrawn
- 1968-02-09 ES ES350324A patent/ES350324A1/es not_active Expired
- 1968-02-09 AT AT126668A patent/AT292510B/de not_active IP Right Cessation
- 1968-02-09 NL NL6801899.A patent/NL161280C/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
NL6801899A (sv) | 1968-08-12 |
ES350324A1 (es) | 1969-04-16 |
US3582646A (en) | 1971-06-01 |
DE1616020A1 (de) | 1971-03-04 |
AT292510B (de) | 1971-08-25 |
NL161280B (nl) | 1979-08-15 |
NL161280C (nl) | 1980-01-15 |
GB1144624A (en) | 1969-03-05 |
FR1540305A (fr) | 1968-09-27 |
BE710468A (sv) | 1968-06-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8230 | Patent withdrawn |