FI69719C - Jonisationskammare - Google Patents
Jonisationskammare Download PDFInfo
- Publication number
- FI69719C FI69719C FI773399A FI773399A FI69719C FI 69719 C FI69719 C FI 69719C FI 773399 A FI773399 A FI 773399A FI 773399 A FI773399 A FI 773399A FI 69719 C FI69719 C FI 69719C
- Authority
- FI
- Finland
- Prior art keywords
- ionization chamber
- electrode
- ionization
- chamber according
- different
- Prior art date
Links
- 239000000779 smoke Substances 0.000 claims description 13
- 230000002285 radioactive effect Effects 0.000 claims description 12
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 239000002826 coolant Substances 0.000 claims 1
- 150000002500 ions Chemical class 0.000 description 7
- 230000008859 change Effects 0.000 description 6
- 230000005855 radiation Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 230000035945 sensitivity Effects 0.000 description 4
- 206010069201 Smoke sensitivity Diseases 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 241000202252 Cerberus Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 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
- G08B17/113—Constructional details
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)
- Multicomponent Fibers (AREA)
- Measurement Of Radiation (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1514476 | 1976-12-01 | ||
| CH1514476A CH600565A5 (xx) | 1976-12-01 | 1976-12-01 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI773399A FI773399A (fi) | 1978-06-02 |
| FI69719B FI69719B (fi) | 1985-11-29 |
| FI69719C true FI69719C (fi) | 1986-03-10 |
Family
ID=4406746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI773399A FI69719C (fi) | 1976-12-01 | 1977-11-11 | Jonisationskammare |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US4189644A (xx) |
| JP (1) | JPS5394992A (xx) |
| AU (1) | AU508460B2 (xx) |
| CA (1) | CA1091822A (xx) |
| CH (1) | CH600565A5 (xx) |
| DE (1) | DE2744831C2 (xx) |
| DK (1) | DK531277A (xx) |
| FI (1) | FI69719C (xx) |
| FR (1) | FR2373155A1 (xx) |
| GB (1) | GB1570794A (xx) |
| NL (1) | NL7713260A (xx) |
| NO (1) | NO140645C (xx) |
| SE (1) | SE427139B (xx) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4276476A (en) * | 1978-12-20 | 1981-06-30 | General Electric Company | Radiation detector having a unitary free floating electrode assembly |
| US4327289A (en) * | 1978-12-26 | 1982-04-27 | Solomon Elias E | Ionization detector calibration |
| NL9300599A (nl) * | 1993-04-06 | 1994-11-01 | Vlasakker Environmental Resear | Werkwijze voor het verwerken van champignonvoetjes. |
| US5485144A (en) * | 1993-05-07 | 1996-01-16 | Pittway Corporation | Compensated ionization sensor |
| US6172489B1 (en) | 1999-12-28 | 2001-01-09 | Ultrawatt.Com Inc. | Voltage control system and method |
| US8907530B1 (en) * | 2011-11-03 | 2014-12-09 | Paul Saxton | System for reducing power consumption in a structure |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2548385A (en) * | 1946-03-11 | 1951-04-10 | William C Marshall | Movable electrode tube |
| LU48167A1 (xx) * | 1965-03-11 | 1966-09-12 | Applic Electroniques Ets | |
| DD106728A1 (xx) * | 1973-09-17 | 1974-06-20 | ||
| US3934145A (en) * | 1973-10-25 | 1976-01-20 | Emhart Corporation | Ionization smoke detector and alarm system |
| US4021671A (en) * | 1975-07-07 | 1977-05-03 | Gulf & Western Manufacturing Company (Systems) | Ionization detector |
| US4007374A (en) * | 1975-07-07 | 1977-02-08 | Gulf & Western Manufacturing Company (Systems) | Ionization detector with improved radiation source |
-
1976
- 1976-12-01 CH CH1514476A patent/CH600565A5/xx not_active IP Right Cessation
-
1977
- 1977-10-05 DE DE2744831A patent/DE2744831C2/de not_active Expired
- 1977-11-08 SE SE7712612A patent/SE427139B/xx not_active IP Right Cessation
- 1977-11-11 FI FI773399A patent/FI69719C/fi not_active IP Right Cessation
- 1977-11-14 FR FR7734093A patent/FR2373155A1/fr active Granted
- 1977-11-23 US US05/854,077 patent/US4189644A/en not_active Expired - Lifetime
- 1977-11-28 CA CA291,847A patent/CA1091822A/en not_active Expired
- 1977-11-28 AU AU31001/77A patent/AU508460B2/en not_active Expired
- 1977-11-30 NO NO774093A patent/NO140645C/no unknown
- 1977-11-30 DK DK531277A patent/DK531277A/da not_active Application Discontinuation
- 1977-11-30 NL NL7713260A patent/NL7713260A/xx not_active Application Discontinuation
- 1977-12-01 JP JP14334977A patent/JPS5394992A/ja active Granted
- 1977-12-01 GB GB50105/77A patent/GB1570794A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2744831C2 (de) | 1984-08-09 |
| NO140645C (no) | 1979-10-10 |
| DK531277A (da) | 1978-06-02 |
| US4189644A (en) | 1980-02-19 |
| AU3100177A (en) | 1979-06-07 |
| AU508460B2 (en) | 1980-03-20 |
| SE7712612L (sv) | 1978-06-02 |
| NO140645B (no) | 1979-07-02 |
| JPS5761186B2 (xx) | 1982-12-23 |
| NO774093L (no) | 1978-06-02 |
| DE2744831A1 (de) | 1978-06-08 |
| GB1570794A (en) | 1980-07-09 |
| FI773399A (fi) | 1978-06-02 |
| FR2373155A1 (fr) | 1978-06-30 |
| FI69719B (fi) | 1985-11-29 |
| SE427139B (sv) | 1983-03-07 |
| CH600565A5 (xx) | 1978-06-15 |
| NL7713260A (nl) | 1978-06-05 |
| JPS5394992A (en) | 1978-08-19 |
| FR2373155B1 (xx) | 1980-08-29 |
| CA1091822A (en) | 1980-12-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM | Patent lapsed |
Owner name: CERBERUS AG |