DD111483A5 - - Google Patents
Info
- Publication number
- DD111483A5 DD111483A5 DD177896A DD17789674A DD111483A5 DD 111483 A5 DD111483 A5 DD 111483A5 DD 177896 A DD177896 A DD 177896A DD 17789674 A DD17789674 A DD 17789674A DD 111483 A5 DD111483 A5 DD 111483A5
- Authority
- DD
- German Democratic Republic
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 |
|---|---|
| DD111483A5 true DD111483A5 (nl) | 1975-02-12 |
Family
ID=4294978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD177896A DD111483A5 (nl) | 1973-04-17 | 1974-04-15 |
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) | DE2415479C3 (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 | |
| 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 (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 YU YU891/74A patent/YU35685B/xx unknown
- 1974-03-29 BE BE142655A patent/BE813068A/xx not_active IP Right Cessation
- 1974-03-29 DE DE2415479A patent/DE2415479C3/de not_active Expired
- 1974-04-01 FR FR7411564A patent/FR2226714B1/fr not_active Expired
- 1974-04-02 ZA ZA00742077A patent/ZA742077B/xx unknown
- 1974-04-03 ES ES424918A patent/ES424918A1/es 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/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 DK DK208174A patent/DK150415C/da not_active IP Right Cessation
- 1974-04-16 PL PL1974170389A patent/PL90429B1/pl unknown
- 1974-04-16 BR BR3018/74A patent/BR7403018D0/pt unknown
- 1974-04-16 NO NO741357A patent/NO139581C/no 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 |
|---|---|
| FR2226714A1 (nl) | 1974-11-15 |
| NL177633C (nl) | 1985-10-16 |
| HU175210B (hu) | 1980-06-28 |
| FR2226714B1 (nl) | 1979-03-16 |
| DE2415479C3 (de) | 1987-12-03 |
| DE2415479A1 (de) | 1974-11-14 |
| NO139581B (no) | 1978-12-27 |
| CA998783A (en) | 1976-10-19 |
| FI61768B (fi) | 1982-05-31 |
| DK150415B (da) | 1987-02-23 |
| NO741357L (no) | 1974-10-18 |
| ZA742077B (en) | 1975-04-30 |
| DE2415479B2 (de) | 1980-09-04 |
| DK150415C (da) | 1987-07-13 |
| FI61768C (fi) | 1982-09-10 |
| CS216229B2 (en) | 1982-10-29 |
| CH551057A (de) | 1974-06-28 |
| BR7403018D0 (pt) | 1974-11-19 |
| YU35685B (en) | 1981-04-30 |
| NL7404783A (nl) | 1974-10-21 |
| AU6753274A (en) | 1975-10-09 |
| YU89174A (en) | 1980-09-25 |
| PL90429B1 (nl) | 1977-01-31 |
| IT1006402B (it) | 1976-09-30 |
| IL44507A (en) | 1977-07-31 |
| IL44507A0 (en) | 1974-06-30 |
| SE396491B (sv) | 1977-09-19 |
| NL177633B (nl) | 1985-05-17 |
| GB1430891A (en) | 1976-04-07 |
| ES424918A1 (es) | 1976-05-16 |
| US3908957A (en) | 1975-09-30 |
| NO139581C (no) | 1979-04-04 |
| JPS49131798A (nl) | 1974-12-17 |
| BE813068A (fr) | 1974-07-15 |