NO741357L - Ionization smoke detector. - Google Patents
Ionization smoke detector.Info
- Publication number
- NO741357L NO741357L NO741357A NO741357A NO741357L NO 741357 L NO741357 L NO 741357L NO 741357 A NO741357 A NO 741357A NO 741357 A NO741357 A NO 741357A NO 741357 L NO741357 L NO 741357L
- Authority
- NO
- Norway
- Prior art keywords
- smoke detector
- ionization smoke
- ionization
- detector
- smoke
- Prior art date
Links
- 239000000779 smoke Substances 0.000 title 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)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH551973A CH551057A (en) | 1973-04-17 | 1973-04-17 | IONIZATION ALARM. |
Publications (3)
Publication Number | Publication Date |
---|---|
NO741357L true NO741357L (en) | 1974-10-18 |
NO139581B NO139581B (en) | 1978-12-27 |
NO139581C NO139581C (en) | 1979-04-04 |
Family
ID=4294978
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO741357A NO139581C (en) | 1973-04-17 | 1974-04-16 | IONISATION SMOKE DETECTOR. |
Country Status (23)
Country | Link |
---|---|
US (1) | US3908957A (en) |
JP (1) | JPS49131798A (en) |
BE (1) | BE813068A (en) |
BR (1) | BR7403018D0 (en) |
CA (1) | CA998783A (en) |
CH (1) | CH551057A (en) |
CS (1) | CS216229B2 (en) |
DD (1) | DD111483A5 (en) |
DE (1) | DE2415479C3 (en) |
DK (1) | DK150415C (en) |
ES (1) | ES424918A1 (en) |
FI (1) | FI61768C (en) |
FR (1) | FR2226714B1 (en) |
GB (1) | GB1430891A (en) |
HU (1) | HU175210B (en) |
IL (1) | IL44507A (en) |
IT (1) | IT1006402B (en) |
NL (1) | NL177633C (en) |
NO (1) | NO139581C (en) |
PL (1) | PL90429B1 (en) |
SE (1) | SE396491B (en) |
YU (1) | YU35685B (en) |
ZA (1) | ZA742077B (en) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2652970C3 (en) * | 1976-11-22 | 1979-09-06 | Hartwig Ing.(Grad.) 2409 Scharbeutz Beyersdorf | Ionization fire detectors |
US4150373A (en) * | 1977-01-27 | 1979-04-17 | Ried Jr Louis | Ionization particle detector |
JPS6234399Y2 (en) * | 1980-03-31 | 1987-09-02 | ||
CH648943A5 (en) * | 1980-05-09 | 1985-04-15 | Cerberus Ag | SMOKE DETECTOR. |
US4439683A (en) * | 1981-02-11 | 1984-03-27 | General Signal Corporation | Ionization smoke detector |
US4488044A (en) * | 1981-11-20 | 1984-12-11 | Pittway Corporation | Ionization chamber for smoke detector and the like |
FR2523309A1 (en) * | 1982-03-09 | 1983-09-16 | Hugon Emile | NEW CAPACITIVE SMOKE DETECTOR WITH INTERCHANGEABLE MODULES |
US4529976A (en) * | 1982-10-29 | 1985-07-16 | Frederick M. Jameson | Smoke detector with masking shield |
JPH044316Y2 (en) * | 1985-09-30 | 1992-02-07 | ||
FR2594953B1 (en) * | 1986-02-25 | 1989-05-05 | Lewiner Jacques | SMOKE DETECTOR WITH IONIZATION CHAMBER |
JPS63239592A (en) * | 1987-03-27 | 1988-10-05 | ホーチキ株式会社 | photoelectric smoke detector |
DE58905587D1 (en) * | 1988-03-30 | 1993-10-21 | Cerberus Ag | Early fire detection procedures. |
US5327119A (en) * | 1989-12-22 | 1994-07-05 | Hochiki Kabushiki Kaisha | Ionizing smoke sensor |
CH681932A5 (en) * | 1990-12-04 | 1993-06-15 | Cerberus Ag | |
AU667102B2 (en) * | 1992-05-14 | 1996-03-07 | Vision Systems Limited | Gas sampling point for smoke/pollution detection systems |
WO1993023735A1 (en) * | 1992-05-14 | 1993-11-25 | I.E.I. Pty. Ltd. | Gas sampling point for smoke/pollution detection systems |
US5856784A (en) * | 1997-04-23 | 1999-01-05 | Pittway Corporation | Low profile ionization chamber |
US6057774A (en) * | 1999-01-21 | 2000-05-02 | Brk Brands, Inc. | Smoke alarm with anti-dust screen |
GB0213854D0 (en) * | 2002-06-15 | 2002-07-24 | Aea Technology Plc | Radioactive sources |
US9013316B2 (en) * | 2011-07-28 | 2015-04-21 | Finsecur | Smoke detector |
GB201219488D0 (en) | 2012-10-30 | 2012-12-12 | Univ Sussex | Apparatus for sensing ionic current and ionising radiation |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3319069A (en) * | 1964-08-27 | 1967-05-09 | American District Telegraph Co | Smoke detecting radiation sensitive fire alarm system |
CH475614A (en) * | 1968-06-18 | 1969-07-15 | Cerberus Ag Werke Fuer Elektro | Ionization fire alarms |
GB1277091A (en) * | 1968-07-11 | 1972-06-07 | Nittan Co Ltd | Ionization type smoke detectors |
CH486082A (en) * | 1969-05-19 | 1970-02-15 | Cerberus Ag | Ionization fire alarms |
CH491449A (en) * | 1969-05-19 | 1970-05-31 | Cerberus Ag | Smoke detector arrangement with at least one smoke measuring chamber |
CH508251A (en) * | 1970-07-23 | 1971-05-31 | Cerberus Ag | Ionization fire alarms |
US3728706A (en) * | 1970-09-28 | 1973-04-17 | Gen Signal Corp | System for indicating aerosols in the atmosphere |
BE793205A (en) * | 1971-12-30 | 1973-04-16 | Preussag Ag Feuerschutz | IONIZATION FIRE ALARM |
-
1973
- 1973-04-17 CH CH551973A patent/CH551057A/en not_active IP Right Cessation
-
1974
- 1974-03-27 IL IL44507A patent/IL44507A/en unknown
- 1974-03-29 BE BE142655A patent/BE813068A/en not_active IP Right Cessation
- 1974-03-29 DE DE2415479A patent/DE2415479C3/en not_active Expired
- 1974-03-29 YU YU891/74A patent/YU35685B/en unknown
- 1974-04-01 FR FR7411564A patent/FR2226714B1/fr not_active Expired
- 1974-04-02 ZA ZA00742077A patent/ZA742077B/en unknown
- 1974-04-03 ES ES424918A patent/ES424918A1/en not_active Expired
- 1974-04-03 JP JP49037056A patent/JPS49131798A/ja active Pending
- 1974-04-04 US US457841A patent/US3908957A/en not_active Expired - Lifetime
- 1974-04-08 NL NLAANVRAGE7404783,A patent/NL177633C/en not_active IP Right Cessation
- 1974-04-09 IT IT7421073A patent/IT1006402B/en active
- 1974-04-10 SE SE7404871A patent/SE396491B/en not_active IP Right Cessation
- 1974-04-11 FI FI1124/74A patent/FI61768C/en active
- 1974-04-11 CA CA197,527A patent/CA998783A/en not_active Expired
- 1974-04-12 CS CS742663A patent/CS216229B2/en unknown
- 1974-04-15 DD DD177896A patent/DD111483A5/xx unknown
- 1974-04-16 BR BR3018/74A patent/BR7403018D0/en unknown
- 1974-04-16 NO NO741357A patent/NO139581C/en unknown
- 1974-04-16 DK DK208174A patent/DK150415C/en not_active IP Right Cessation
- 1974-04-16 PL PL1974170389A patent/PL90429B1/pl unknown
- 1974-04-17 HU HU74CE995A patent/HU175210B/en unknown
- 1974-04-17 GB GB1684874A patent/GB1430891A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
HU175210B (en) | 1980-06-28 |
ES424918A1 (en) | 1976-05-16 |
CA998783A (en) | 1976-10-19 |
DE2415479C3 (en) | 1987-12-03 |
DD111483A5 (en) | 1975-02-12 |
FR2226714A1 (en) | 1974-11-15 |
DE2415479B2 (en) | 1980-09-04 |
JPS49131798A (en) | 1974-12-17 |
US3908957A (en) | 1975-09-30 |
CS216229B2 (en) | 1982-10-29 |
FI61768C (en) | 1982-09-10 |
IL44507A (en) | 1977-07-31 |
ZA742077B (en) | 1975-04-30 |
PL90429B1 (en) | 1977-01-31 |
DE2415479A1 (en) | 1974-11-14 |
GB1430891A (en) | 1976-04-07 |
YU89174A (en) | 1980-09-25 |
SE396491B (en) | 1977-09-19 |
FI61768B (en) | 1982-05-31 |
BR7403018D0 (en) | 1974-11-19 |
NL177633C (en) | 1985-10-16 |
NL7404783A (en) | 1974-10-21 |
AU6753274A (en) | 1975-10-09 |
FR2226714B1 (en) | 1979-03-16 |
BE813068A (en) | 1974-07-15 |
IT1006402B (en) | 1976-09-30 |
YU35685B (en) | 1981-04-30 |
DK150415C (en) | 1987-07-13 |
CH551057A (en) | 1974-06-28 |
IL44507A0 (en) | 1974-06-30 |
DK150415B (en) | 1987-02-23 |
NO139581B (en) | 1978-12-27 |
NO139581C (en) | 1979-04-04 |
NL177633B (en) | 1985-05-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
NL7501297A (en) | DETECTOR. | |
NO741357L (en) | Ionization smoke detector. | |
AU474800B2 (en) | Ionization smoke detector | |
IT1007859B (en) | INCIPIENT FIRE DETECTOR | |
NL7508151A (en) | DETECTOR. | |
NO136269C (en) | IONIZATION FIRE REPORT. | |
BE796166A (en) | SMOKE DETECTOR | |
DK137099B (en) | Fire alarm device. | |
DK137293B (en) | Fire Detector. | |
AR196020A1 (en) | SMOKE DETECTOR | |
NL7414566A (en) | FLAME DETECTOR. | |
CH558963A (en) | FIRE ALARM. | |
NL186122C (en) | ROENGEN DETECTOR. | |
DK139326B (en) | Ionization detector. | |
NL7414386A (en) | PEAK DETECTOR. | |
BR7408707D0 (en) | PERFECTED SMOKE DETECTOR | |
CH554033A (en) | IOMIZATION FIRE DETECTION DEVICE. | |
CH552989A (en) | SMOKE DETECTOR. | |
NL7415872A (en) | FIRE DOOR. | |
NL7606754A (en) | IONIZATION SMOKE DETECTOR. | |
NL150595B (en) | IONIZATION SMOKE DETECTOR. | |
DK136793B (en) | Fire detector. | |
SE392979B (en) | IONIZATION FIRE ALARM | |
CH556072A (en) | IONIZATION ALARM. | |
BE761610A (en) | SMOKE DETECTOR |