NL7214138A - - Google Patents
Info
- Publication number
- NL7214138A NL7214138A NL7214138A NL7214138A NL7214138A NL 7214138 A NL7214138 A NL 7214138A NL 7214138 A NL7214138 A NL 7214138A NL 7214138 A NL7214138 A NL 7214138A NL 7214138 A NL7214138 A NL 7214138A
- Authority
- NL
- Netherlands
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/62—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode
- G01N27/64—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode using wave or particle radiation to ionise a gas, e.g. in an ionisation chamber
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Toxicology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
- Fire-Detection Mechanisms (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE13304/71A SE347377B (enrdf_load_stackoverflow) | 1971-10-20 | 1971-10-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7214138A true NL7214138A (enrdf_load_stackoverflow) | 1973-04-25 |
Family
ID=20297181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7214138A NL7214138A (enrdf_load_stackoverflow) | 1971-10-20 | 1972-10-19 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3838283A (enrdf_load_stackoverflow) |
| BE (1) | BE790355A (enrdf_load_stackoverflow) |
| DE (1) | DE2250820A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2175383A5 (enrdf_load_stackoverflow) |
| GB (1) | GB1341372A (enrdf_load_stackoverflow) |
| NL (1) | NL7214138A (enrdf_load_stackoverflow) |
| NO (1) | NO126977B (enrdf_load_stackoverflow) |
| SE (1) | SE347377B (enrdf_load_stackoverflow) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4075487A (en) * | 1976-05-14 | 1978-02-21 | Patent Development & Management Company | Ionization chamber assembly |
| DE2652970C3 (de) * | 1976-11-22 | 1979-09-06 | Hartwig Ing.(Grad.) 2409 Scharbeutz Beyersdorf | Ionisations-Brandmelder |
| US4245174A (en) | 1978-04-24 | 1981-01-13 | Isotec Industries Limited | Dual ionization chamber |
| US4238679A (en) * | 1978-12-07 | 1980-12-09 | Conrac Corporation | Dual-chamber ionization smoke detector assembly |
| FR2473201A1 (fr) * | 1980-01-02 | 1981-07-10 | Gamma Electronic | Detecteur de fumees capacitif a faible source d'ionisation |
| JPH03196292A (ja) * | 1989-12-25 | 1991-08-27 | Hochiki Corp | イオン化式煙感知器 |
| ES2070748B1 (es) * | 1993-05-17 | 1996-05-16 | Kilsen Sa | Detector ionico de humos. |
| DE9416314U1 (de) | 1994-10-10 | 1994-12-01 | Fritz Fuss Gmbh & Co, 72458 Albstadt | Rauchmelder |
| DE19627620C1 (de) * | 1996-07-09 | 1997-11-13 | Bruker Saxonia Analytik Gmbh | Elektroneneinfangdetektor |
| US20050218811A1 (en) * | 2004-03-31 | 2005-10-06 | Schulman Michael B | Gas discharge lamp with high-energy vacuum ultraviolet emission |
| US7180076B2 (en) * | 2004-03-31 | 2007-02-20 | Mine Safety Appliances Company | Photoionization detectors, ionization chambers for use in photoionization detectors, and methods of use of photoionization detectors |
| US7504962B2 (en) * | 2005-11-22 | 2009-03-17 | Joseph Stephen Smith | Apparatus for enclosing a smoke detector |
| CN100414291C (zh) * | 2006-03-17 | 2008-08-27 | 中国科学院安徽光学精密机械研究所 | 一种便携式光离子化检测器的电离室 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS446089Y1 (enrdf_load_stackoverflow) * | 1966-03-30 | 1969-03-05 | ||
| DE2029485B2 (de) * | 1969-06-21 | 1971-11-25 | Nittan Co. Ltd., Tokio | Ionisations rauchfuehler |
| ZA704724B (en) * | 1969-07-22 | 1971-03-31 | Nittan Co Ltd | Ionization smoke detector |
-
0
- BE BE790355D patent/BE790355A/xx unknown
-
1971
- 1971-10-20 SE SE13304/71A patent/SE347377B/xx unknown
-
1972
- 1972-10-17 DE DE2250820A patent/DE2250820A1/de active Pending
- 1972-10-18 US US00298750A patent/US3838283A/en not_active Expired - Lifetime
- 1972-10-19 NL NL7214138A patent/NL7214138A/xx not_active Application Discontinuation
- 1972-10-20 GB GB4831572A patent/GB1341372A/en not_active Expired
- 1972-10-20 FR FR7237286A patent/FR2175383A5/fr not_active Expired
- 1972-10-28 NO NO03746/72*[A patent/NO126977B/no unknown
Also Published As
| Publication number | Publication date |
|---|---|
| SE347377B (enrdf_load_stackoverflow) | 1972-07-31 |
| FR2175383A5 (enrdf_load_stackoverflow) | 1973-10-19 |
| US3838283A (en) | 1974-09-24 |
| NO126977B (enrdf_load_stackoverflow) | 1973-04-16 |
| BE790355A (fr) | 1973-02-15 |
| DE2250820A1 (de) | 1973-04-26 |
| GB1341372A (en) | 1973-12-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BV | The patent application has lapsed |