SE375175B - - Google Patents
Info
- Publication number
- SE375175B SE375175B SE7205657A SE565772A SE375175B SE 375175 B SE375175 B SE 375175B SE 7205657 A SE7205657 A SE 7205657A SE 565772 A SE565772 A SE 565772A SE 375175 B SE375175 B SE 375175B
- Authority
- SE
- Sweden
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)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6969668 | 1968-09-26 | ||
| JP1845869 | 1969-03-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE375175B true SE375175B (xx) | 1975-04-07 |
Family
ID=26355135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7205657A SE375175B (xx) | 1968-09-26 | 1969-09-25 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3935466A (xx) |
| CH (1) | CH506149A (xx) |
| FR (1) | FR2018946A1 (xx) |
| GB (1) | GB1280304A (xx) |
| SE (1) | SE375175B (xx) |
| YU (1) | YU31877B (xx) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE30323E (en) * | 1968-09-26 | 1980-07-01 | Hochiki Kabushiki Kaisha | Smoke detector adapted to a smoke sensing apparatus |
| DE2546970C3 (de) * | 1975-10-20 | 1981-09-10 | Preussag Ag Feuerschutz, 2060 Bad Oldesloe | Ionisations-Rauchmelder |
| US4150373A (en) * | 1977-01-27 | 1979-04-17 | Ried Jr Louis | Ionization particle detector |
| DE2711457C2 (de) * | 1977-03-16 | 1985-06-27 | Siemens AG, 1000 Berlin und 8000 München | Ionisationsbrandmelder |
| FR2391742A1 (fr) * | 1977-05-23 | 1978-12-22 | Brunswick Corp | Detecteur de debut d'incendie |
| US4227085A (en) * | 1978-10-05 | 1980-10-07 | Electrometer Corporation | Ionization-type particle detector |
| FR2438841A1 (fr) * | 1978-10-13 | 1980-05-09 | Commissariat Energie Atomique | Capteur ionique pour detecteur d'incendie |
| US4243489A (en) * | 1978-11-13 | 1981-01-06 | Occidental Petroleum Corp. | Pyrolysis reactor and fluidized bed combustion chamber |
| US4456907A (en) * | 1981-01-12 | 1984-06-26 | Pyrotector, Inc. | Ionization type smoke detector with test circuit |
| JPS58186463U (ja) * | 1982-06-07 | 1983-12-10 | 能美防災株式会社 | イオン化式煙感知器 |
| JPS63239592A (ja) * | 1987-03-27 | 1988-10-05 | ホーチキ株式会社 | 光電式煙感知器 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2465377A (en) * | 1938-11-24 | 1949-03-29 | Banque Pour Entpr S Electr | Gas-sensing control means with gas-discharge device |
| US2408051A (en) * | 1942-04-04 | 1946-09-24 | American District Telegraph Co | Fire and smoke detector and the like |
| US2981840A (en) * | 1956-04-06 | 1961-04-25 | Nahmias Maurice Elie | Detecting device |
| NL99411C (xx) * | 1957-01-25 | |||
| JPS446089Y1 (xx) * | 1966-03-30 | 1969-03-05 |
-
1969
- 1969-09-24 GB GB46956/69A patent/GB1280304A/en not_active Expired
- 1969-09-25 CH CH1460169A patent/CH506149A/fr not_active IP Right Cessation
- 1969-09-25 SE SE7205657A patent/SE375175B/xx unknown
- 1969-09-25 FR FR6932748A patent/FR2018946A1/fr active Pending
- 1969-09-25 YU YU2408/69A patent/YU31877B/xx unknown
-
1971
- 1971-06-18 US US05/440,521 patent/US3935466A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR2018946A1 (xx) | 1970-06-26 |
| YU31877B (en) | 1973-12-31 |
| CH506149A (fr) | 1971-04-15 |
| GB1280304A (en) | 1972-07-05 |
| YU240869A (en) | 1973-06-30 |
| US3935466A (en) | 1976-01-27 |