CA998783A - Ionization-type fire sensor - Google Patents
Ionization-type fire sensorInfo
- Publication number
- CA998783A CA998783A CA197,527A CA197527A CA998783A CA 998783 A CA998783 A CA 998783A CA 197527 A CA197527 A CA 197527A CA 998783 A CA998783 A CA 998783A
- Authority
- CA
- Canada
- Prior art keywords
- ionization
- type fire
- fire sensor
- sensor
- type
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
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 (de) | 1973-04-17 | 1973-04-17 | Ionisationsfeuermelder. |
Publications (1)
Publication Number | Publication Date |
---|---|
CA998783A true CA998783A (en) | 1976-10-19 |
Family
ID=4294978
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA197,527A Expired CA998783A (en) | 1973-04-17 | 1974-04-11 | Ionization-type fire sensor |
Country Status (23)
Country | Link |
---|---|
US (1) | US3908957A (nl) |
JP (1) | JPS49131798A (nl) |
BE (1) | BE813068A (nl) |
BR (1) | BR7403018D0 (nl) |
CA (1) | CA998783A (nl) |
CH (1) | CH551057A (nl) |
CS (1) | CS216229B2 (nl) |
DD (1) | DD111483A5 (nl) |
DE (1) | DE2415479B2 (nl) |
DK (1) | DK150415C (nl) |
ES (1) | ES424918A1 (nl) |
FI (1) | FI61768C (nl) |
FR (1) | FR2226714B1 (nl) |
GB (1) | GB1430891A (nl) |
HU (1) | HU175210B (nl) |
IL (1) | IL44507A (nl) |
IT (1) | IT1006402B (nl) |
NL (1) | NL177633C (nl) |
NO (1) | NO139581C (nl) |
PL (1) | PL90429B1 (nl) |
SE (1) | SE396491B (nl) |
YU (1) | YU35685B (nl) |
ZA (1) | ZA742077B (nl) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2652970C3 (de) * | 1976-11-22 | 1979-09-06 | Hartwig Ing.(Grad.) 2409 Scharbeutz Beyersdorf | Ionisations-Brandmelder |
US4150373A (en) * | 1977-01-27 | 1979-04-17 | Ried Jr Louis | Ionization particle detector |
JPS6234399Y2 (nl) * | 1980-03-31 | 1987-09-02 | ||
CH648943A5 (de) * | 1980-05-09 | 1985-04-15 | Cerberus Ag | Rauchmelder. |
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 (fr) * | 1982-03-09 | 1983-09-16 | Hugon Emile | Nouveau detecteur de fumees capacitif a modules interchangeables |
US4529976A (en) * | 1982-10-29 | 1985-07-16 | Frederick M. Jameson | Smoke detector with masking shield |
JPH044316Y2 (nl) * | 1985-09-30 | 1992-02-07 | ||
FR2594953B1 (fr) * | 1986-02-25 | 1989-05-05 | Lewiner Jacques | Detecteur de fumee a chambre d'ionisation |
JPS63239592A (ja) * | 1987-03-27 | 1988-10-05 | ホーチキ株式会社 | 光電式煙感知器 |
EP0338218B1 (de) * | 1988-03-30 | 1993-09-15 | Cerberus Ag | Verfahren zur Brandfrüherkennung |
US5327119A (en) * | 1989-12-22 | 1994-07-05 | Hochiki Kabushiki Kaisha | Ionizing smoke sensor |
CH681932A5 (nl) * | 1990-12-04 | 1993-06-15 | Cerberus Ag | |
WO1993023735A1 (en) * | 1992-05-14 | 1993-11-25 | I.E.I. Pty. Ltd. | Gas sampling point for smoke/pollution detection systems |
AU667102B2 (en) * | 1992-05-14 | 1996-03-07 | Vision Systems Limited | 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 (de) * | 1968-06-18 | 1969-07-15 | Cerberus Ag Werke Fuer Elektro | Ionisationsfeuermelder |
GB1277091A (en) * | 1968-07-11 | 1972-06-07 | Nittan Co Ltd | Ionization type smoke detectors |
CH491449A (de) * | 1969-05-19 | 1970-05-31 | Cerberus Ag | Rauchdetektoranordnung mit mindestens einer Rauchmesskammer |
CH486082A (de) * | 1969-05-19 | 1970-02-15 | Cerberus Ag | Ionisationsfeuermelder |
CH508251A (de) * | 1970-07-23 | 1971-05-31 | Cerberus Ag | Ionisationsfeuermelder |
US3728706A (en) * | 1970-09-28 | 1973-04-17 | Gen Signal Corp | System for indicating aerosols in the atmosphere |
BE793205A (fr) * | 1971-12-30 | 1973-04-16 | Preussag Ag Feuerschutz | Avertisseur d'incendie a ionisation |
-
1973
- 1973-04-17 CH CH551973A patent/CH551057A/xx not_active IP Right Cessation
-
1974
- 1974-03-27 IL IL44507A patent/IL44507A/en unknown
- 1974-03-29 DE DE2415479A patent/DE2415479B2/de active Granted
- 1974-03-29 BE BE142655A patent/BE813068A/xx not_active IP Right Cessation
- 1974-03-29 YU YU891/74A patent/YU35685B/xx unknown
- 1974-04-01 FR FR7411564A patent/FR2226714B1/fr not_active Expired
- 1974-04-02 ZA ZA00742077A patent/ZA742077B/xx unknown
- 1974-04-03 JP JP49037056A patent/JPS49131798A/ja active Pending
- 1974-04-03 ES ES424918A patent/ES424918A1/es not_active Expired
- 1974-04-04 US US457841A patent/US3908957A/en not_active Expired - Lifetime
- 1974-04-08 NL NLAANVRAGE7404783,A patent/NL177633C/nl not_active IP Right Cessation
- 1974-04-09 IT IT7421073A patent/IT1006402B/it active
- 1974-04-10 SE SE7404871A patent/SE396491B/xx not_active IP Right Cessation
- 1974-04-11 CA CA197,527A patent/CA998783A/en not_active Expired
- 1974-04-11 FI FI1124/74A patent/FI61768C/fi active
- 1974-04-12 CS CS742663A patent/CS216229B2/cs unknown
- 1974-04-15 DD DD177896A patent/DD111483A5/xx unknown
- 1974-04-16 PL PL1974170389A patent/PL90429B1/pl unknown
- 1974-04-16 NO NO741357A patent/NO139581C/no unknown
- 1974-04-16 DK DK208174A patent/DK150415C/da not_active IP Right Cessation
- 1974-04-16 BR BR3018/74A patent/BR7403018D0/pt unknown
- 1974-04-17 GB GB1684874A patent/GB1430891A/en not_active Expired
- 1974-04-17 HU HU74CE995A patent/HU175210B/hu unknown
Also Published As
Publication number | Publication date |
---|---|
HU175210B (hu) | 1980-06-28 |
CS216229B2 (en) | 1982-10-29 |
ES424918A1 (es) | 1976-05-16 |
YU89174A (en) | 1980-09-25 |
IL44507A0 (en) | 1974-06-30 |
CH551057A (de) | 1974-06-28 |
BR7403018D0 (pt) | 1974-11-19 |
DE2415479C3 (nl) | 1987-12-03 |
DK150415B (da) | 1987-02-23 |
BE813068A (fr) | 1974-07-15 |
AU6753274A (en) | 1975-10-09 |
IL44507A (en) | 1977-07-31 |
NO139581B (no) | 1978-12-27 |
SE396491B (sv) | 1977-09-19 |
NL7404783A (nl) | 1974-10-21 |
JPS49131798A (nl) | 1974-12-17 |
FI61768B (fi) | 1982-05-31 |
US3908957A (en) | 1975-09-30 |
FR2226714B1 (nl) | 1979-03-16 |
DE2415479A1 (de) | 1974-11-14 |
PL90429B1 (nl) | 1977-01-31 |
NO741357L (no) | 1974-10-18 |
NL177633C (nl) | 1985-10-16 |
DD111483A5 (nl) | 1975-02-12 |
FI61768C (fi) | 1982-09-10 |
GB1430891A (en) | 1976-04-07 |
YU35685B (en) | 1981-04-30 |
ZA742077B (en) | 1975-04-30 |
IT1006402B (it) | 1976-09-30 |
NL177633B (nl) | 1985-05-17 |
DK150415C (da) | 1987-07-13 |
FR2226714A1 (nl) | 1974-11-15 |
DE2415479B2 (de) | 1980-09-04 |
NO139581C (no) | 1979-04-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA1027202A (en) | Fire detection system | |
CA998783A (en) | Ionization-type fire sensor | |
GB1446288A (en) | Smoke detectors | |
AU474800B2 (en) | Ionization smoke detector | |
CA1018680A (en) | Ionization-type fire sensor | |
CA1010969A (en) | Fire alarms | |
AU476368B2 (en) | Fire alarms | |
CA990865A (en) | Smoke detectors | |
GB1543764A (en) | Fire sensor devices | |
AU474512B2 (en) | Fire detection device | |
KR780000568B1 (en) | Ionization-type fire sensor | |
AU476856B2 (en) | Alarm system | |
CA1031058A (en) | Fire detector | |
AU484216B2 (en) | Indicating presence ofa fire | |
AU484255B2 (en) | Improvements in ionization fire sensors | |
AU491019B2 (en) | Smoke detector | |
CA893935A (en) | Fire detecting system | |
AU437726B2 (en) | Fire detecting system | |
AU477410B2 (en) | Fire detectors | |
AU6689674A (en) | Indicating presence ofa fire | |
CA1000181A (en) | Fire extinguisher | |
AU491295B2 (en) | Ionization fire detector | |
AU474159B2 (en) | Fire barrier | |
AU7330074A (en) | Smoke detector | |
CA989060A (en) | Alarms |