DE2011329A1 - Ionisationsfeuermelder - Google Patents
IonisationsfeuermelderInfo
- Publication number
- DE2011329A1 DE2011329A1 DE19702011329 DE2011329A DE2011329A1 DE 2011329 A1 DE2011329 A1 DE 2011329A1 DE 19702011329 DE19702011329 DE 19702011329 DE 2011329 A DE2011329 A DE 2011329A DE 2011329 A1 DE2011329 A1 DE 2011329A1
- Authority
- DE
- Germany
- Prior art keywords
- ionization
- fire alarm
- field effect
- ionization chamber
- effect transistor
- 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.)
- Pending
Links
- 230000005669 field effect Effects 0.000 claims description 31
- 239000000443 aerosol Substances 0.000 claims description 8
- 239000004065 semiconductor Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- 229920006395 saturated elastomer Polymers 0.000 claims description 2
- 101100286286 Dictyostelium discoideum ipi gene Proteins 0.000 claims 1
- 239000000779 smoke Substances 0.000 description 6
- 206010069201 Smoke sensitivity Diseases 0.000 description 3
- 230000005684 electric field Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 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
- G08B17/10—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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH462969A CH489070A (de) | 1969-03-27 | 1969-03-27 | Ionisationsfeuermelder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2011329A1 true DE2011329A1 (de) | 1971-06-03 |
Family
ID=4279695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19702011329 Pending DE2011329A1 (de) | 1969-03-27 | 1970-03-10 | Ionisationsfeuermelder |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3714641A (enrdf_load_stackoverflow) |
| CH (1) | CH489070A (enrdf_load_stackoverflow) |
| DE (1) | DE2011329A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1253196A (enrdf_load_stackoverflow) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4023152A (en) * | 1973-10-01 | 1977-05-10 | Matsushita Electric Works, Ltd. | Ionization type smoke sensing device |
| CH586941A5 (enrdf_load_stackoverflow) * | 1975-07-25 | 1977-04-15 | Cerberus Ag | |
| ZA786519B (en) * | 1978-11-20 | 1980-02-27 | Anglo Amer Corp South Africa | Detector |
| CA1148279A (en) * | 1979-12-14 | 1983-06-14 | Andreas Scheidweiler | Ionization smoke detector with increased operational reliability |
| US7821412B2 (en) * | 2006-09-15 | 2010-10-26 | Applied Nanotech Holdings, Inc. | Smoke detector |
-
1969
- 1969-03-27 CH CH462969A patent/CH489070A/de not_active IP Right Cessation
-
1970
- 1970-03-10 DE DE19702011329 patent/DE2011329A1/de active Pending
- 1970-03-13 US US00019242A patent/US3714641A/en not_active Expired - Lifetime
- 1970-03-26 GB GB1253196D patent/GB1253196A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3714641A (en) | 1973-01-30 |
| CH489070A (de) | 1970-04-15 |
| GB1253196A (enrdf_load_stackoverflow) | 1971-11-10 |
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