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
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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 |
|---|---|---|---|
| CH1514476A CH600565A5 (mo) | 1976-12-01 | 1976-12-01 | |
| CH1514476 | 1976-12-01 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI773399A7 FI773399A7 (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 (mo) |
| JP (1) | JPS5394992A (mo) |
| AU (1) | AU508460B2 (mo) |
| CA (1) | CA1091822A (mo) |
| CH (1) | CH600565A5 (mo) |
| DE (1) | DE2744831C2 (mo) |
| DK (1) | DK531277A (mo) |
| FI (1) | FI69719C (mo) |
| FR (1) | FR2373155A1 (mo) |
| GB (1) | GB1570794A (mo) |
| NL (1) | NL7713260A (mo) |
| NO (1) | NO140645C (mo) |
| SE (1) | SE427139B (mo) |
Families Citing this family (7)
| 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 |
| CN114609660A (zh) * | 2022-03-17 | 2022-06-10 | 安徽安光环境科技有限公司 | 一种β放射源放射率检测仪器 |
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 (mo) * | 1965-03-11 | 1966-09-12 | Applic Electroniques Ets | |
| DD106728A1 (mo) * | 1973-09-17 | 1974-06-20 | ||
| US3934145A (en) * | 1973-10-25 | 1976-01-20 | Emhart Corporation | Ionization smoke detector and alarm system |
| US4007374A (en) * | 1975-07-07 | 1977-02-08 | Gulf & Western Manufacturing Company (Systems) | Ionization detector with improved radiation source |
| US4021671A (en) * | 1975-07-07 | 1977-05-03 | Gulf & Western Manufacturing Company (Systems) | Ionization detector |
-
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 NL NL7713260A patent/NL7713260A/xx not_active Application Discontinuation
- 1977-11-30 NO NO774093A patent/NO140645C/no unknown
- 1977-11-30 DK DK531277A patent/DK531277A/da not_active Application Discontinuation
- 1977-12-01 GB GB50105/77A patent/GB1570794A/en not_active Expired
- 1977-12-01 JP JP14334977A patent/JPS5394992A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| AU508460B2 (en) | 1980-03-20 |
| FR2373155B1 (mo) | 1980-08-29 |
| CA1091822A (en) | 1980-12-16 |
| NO140645C (no) | 1979-10-10 |
| AU3100177A (en) | 1979-06-07 |
| SE7712612L (sv) | 1978-06-02 |
| FI69719B (fi) | 1985-11-29 |
| SE427139B (sv) | 1983-03-07 |
| NO140645B (no) | 1979-07-02 |
| CH600565A5 (mo) | 1978-06-15 |
| NO774093L (no) | 1978-06-02 |
| FI773399A7 (fi) | 1978-06-02 |
| FR2373155A1 (fr) | 1978-06-30 |
| DK531277A (da) | 1978-06-02 |
| GB1570794A (en) | 1980-07-09 |
| JPS5394992A (en) | 1978-08-19 |
| DE2744831A1 (de) | 1978-06-08 |
| JPS5761186B2 (mo) | 1982-12-23 |
| NL7713260A (nl) | 1978-06-05 |
| US4189644A (en) | 1980-02-19 |
| DE2744831C2 (de) | 1984-08-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM | Patent lapsed |
Owner name: CERBERUS AG |