NO125512B - - Google Patents
Download PDFInfo
- Publication number
- NO125512B NO125512B NO1771/70A NO177170A NO125512B NO 125512 B NO125512 B NO 125512B NO 1771/70 A NO1771/70 A NO 1771/70A NO 177170 A NO177170 A NO 177170A NO 125512 B NO125512 B NO 125512B
- Authority
- NO
- Norway
- Prior art keywords
- ionization
- chamber
- electrodes
- fire detector
- ionization chamber
- Prior art date
Links
- 238000005259 measurement Methods 0.000 claims description 3
- 239000012528 membrane Substances 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 239000012212 insulator Substances 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 239000000443 aerosol Substances 0.000 description 4
- 230000035945 sensitivity Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000002285 radioactive effect Effects 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000003321 amplification 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
- 238000009792 diffusion process Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- FCZCIXQGZOUIDN-UHFFFAOYSA-N ethyl 2-diethoxyphosphinothioyloxyacetate Chemical compound CCOC(=O)COP(=S)(OCC)OCC FCZCIXQGZOUIDN-UHFFFAOYSA-N 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 239000004065 semiconductor Substances 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH760669A CH486082A (de) | 1969-05-19 | 1969-05-19 | Ionisationsfeuermelder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO125512B true NO125512B (xx) | 1972-09-18 |
Family
ID=4327756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO1771/70A NO125512B (xx) | 1969-05-19 | 1970-05-11 |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3710110A (xx) |
| CH (1) | CH486082A (xx) |
| DE (1) | DE2023954C3 (xx) |
| FR (1) | FR2047853A5 (xx) |
| GB (1) | GB1250296A (xx) |
| HK (1) | HK11577A (xx) |
| NL (1) | NL168975C (xx) |
| NO (1) | NO125512B (xx) |
| SE (1) | SE346173B (xx) |
| YU (1) | YU32508B (xx) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH554033A (de) * | 1973-04-03 | 1974-09-13 | Cerberus Ag | Iomisations-feuermelde-einrichtung. |
| CH551057A (de) * | 1973-04-17 | 1974-06-28 | Cerberus Ag | Ionisationsfeuermelder. |
| US3849685A (en) * | 1973-06-22 | 1974-11-19 | Honeywell Inc | Ionization chamber with recessed radioactive body |
| US3832552A (en) * | 1973-06-22 | 1974-08-27 | Honeywell Inc | Dual chamber ionization smoke detector |
| JPS5552558Y2 (xx) * | 1975-02-10 | 1980-12-05 | ||
| BE831296A (fr) * | 1975-07-11 | 1975-11-03 | Detecteur ionique | |
| CH600563A5 (xx) * | 1976-11-29 | 1978-06-15 | Cerberus Ag | |
| US4185197A (en) * | 1978-01-13 | 1980-01-22 | General Electric Company | Arrangement for inhibiting the effect of extraneous electric fields on an improved ionization smoke detector |
| US4327289A (en) * | 1978-12-26 | 1982-04-27 | Solomon Elias E | Ionization detector calibration |
| US4286159A (en) * | 1979-04-10 | 1981-08-25 | Hochiki Corporation | Detector coupling mechanism |
| AT378431B (de) * | 1983-06-30 | 1985-08-12 | Siemens Ag Oesterreich | Probenkammer herkoemmlicher groesse zum einbau eines ionisations-rauchmelder-einsatzes |
| GB8529436D0 (en) * | 1985-11-29 | 1986-01-08 | Gent Ltd | Fire detector |
| US4963792A (en) * | 1987-03-04 | 1990-10-16 | Parker William P | Self contained gas discharge device |
| US4754199A (en) * | 1987-03-04 | 1988-06-28 | Parker William P | Self contained gas discharge display device |
| US4937562A (en) * | 1987-12-26 | 1990-06-26 | Hochiki Corp. | Moisture-proof ionization smoke detector |
| JPH01102991U (xx) * | 1987-12-26 | 1989-07-12 | ||
| DE4402518C2 (de) * | 1994-01-28 | 1997-10-23 | Preussag Ag Minimax | Ionisationsrauchmelder |
| US6675005B2 (en) | 1999-03-25 | 2004-01-06 | Zenith Electronics Corporation | Printed single balanced downconverter mixer |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3231778A (en) * | 1963-06-20 | 1966-01-25 | Sylvania Electric Prod | Signal barrier |
| LU48167A1 (xx) * | 1965-03-11 | 1966-09-12 | Applic Electroniques Ets |
-
1969
- 1969-05-19 CH CH760669A patent/CH486082A/de not_active IP Right Cessation
-
1970
- 1970-05-11 NO NO1771/70A patent/NO125512B/no unknown
- 1970-05-12 YU YU1195/70A patent/YU32508B/xx unknown
- 1970-05-14 SE SE6620/70A patent/SE346173B/xx unknown
- 1970-05-14 US US00037256A patent/US3710110A/en not_active Expired - Lifetime
- 1970-05-15 FR FR7017911A patent/FR2047853A5/fr not_active Expired
- 1970-05-15 NL NLAANVRAGE7007045,A patent/NL168975C/xx not_active IP Right Cessation
- 1970-05-15 DE DE2023954A patent/DE2023954C3/de not_active Expired
- 1970-05-19 GB GB1250296D patent/GB1250296A/en not_active Expired
-
1977
- 1977-03-03 HK HK115/77A patent/HK11577A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| YU119570A (en) | 1974-06-30 |
| YU32508B (en) | 1974-12-31 |
| DE2023954B2 (de) | 1979-01-25 |
| NL7007045A (xx) | 1970-11-23 |
| CH486082A (de) | 1970-02-15 |
| SE346173B (xx) | 1972-06-26 |
| FR2047853A5 (xx) | 1971-03-12 |
| NL168975B (nl) | 1981-12-16 |
| DE2023954A1 (de) | 1970-11-26 |
| US3710110A (en) | 1973-01-09 |
| GB1250296A (xx) | 1971-10-20 |
| HK11577A (en) | 1977-03-11 |
| NL168975C (nl) | 1982-05-17 |
| DE2023954C3 (de) | 1979-09-20 |
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