AU5798673A - Ionization-type fire sensor - Google Patents
Ionization-type fire sensorInfo
- Publication number
- AU5798673A AU5798673A AU57986/73A AU5798673A AU5798673A AU 5798673 A AU5798673 A AU 5798673A AU 57986/73 A AU57986/73 A AU 57986/73A AU 5798673 A AU5798673 A AU 5798673A AU 5798673 A AU5798673 A AU 5798673A
- Authority
- AU
- Australia
- 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
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/04—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using a single signalling line, e.g. in a closed loop
Landscapes
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Fire-Detection Mechanisms (AREA)
- Fire Alarms (AREA)
- Printing Plates And Materials Therefor (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CHCH10654/72 | 1972-07-17 | ||
| CHCH10655/72 | 1972-07-17 | ||
| CH1065572 | 1972-07-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU5798673A true AU5798673A (en) | 1975-01-16 |
| AU474603B2 AU474603B2 (en) | 1976-07-29 |
Family
ID=4365446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU57987/73A Expired AU474603B2 (en) | 1972-07-17 | 1973-07-11 | Fire alarm system with remote central station |
Country Status (19)
| Country | Link |
|---|---|
| US (1) | US3909813A (en) |
| JP (1) | JPS4970691A (en) |
| AT (1) | AT339777B (en) |
| AU (1) | AU474603B2 (en) |
| BE (1) | BE801719A (en) |
| BR (1) | BR7305317D0 (en) |
| CA (1) | CA1018680A (en) |
| CH (1) | CH547532A (en) |
| DE (1) | DE2328872C3 (en) |
| DK (1) | DK138714B (en) |
| ES (1) | ES415905A1 (en) |
| FI (1) | FI59498C (en) |
| FR (1) | FR2193224B1 (en) |
| GB (1) | GB1412164A (en) |
| HK (1) | HK57380A (en) |
| IT (1) | IT988800B (en) |
| NO (1) | NO136269C (en) |
| SE (1) | SE392357B (en) |
| ZA (1) | ZA734853B (en) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5617815Y2 (en) * | 1974-07-10 | 1981-04-24 | ||
| JPS5150786A (en) * | 1974-10-29 | 1976-05-04 | Mitsubishi Electric Corp | IONKASHIKIKE MURITANCHIKI |
| JPS52142999A (en) * | 1976-05-24 | 1977-11-29 | Nohmi Bosai Kogyo Co Ltd | Fire alarm facility |
| DE2707409C2 (en) * | 1977-02-21 | 1985-02-21 | Hartwig Dipl.-Ing. 2409 Scharbeutz Beyersdorf | Ionization fire detector |
| US4207558A (en) * | 1978-04-03 | 1980-06-10 | Pittway Corporation | Interconnection circuit for a plurality of alarm units |
| USRE30620E (en) * | 1978-07-03 | 1981-05-19 | P. R. Mallory & Co. Inc. | High output smoke and heat detector alarm system utilizing a piezoelectric transducer and a voltage doubling means |
| CH629905A5 (en) * | 1978-07-17 | 1982-05-14 | Cerberus Ag | GAS AND / OR FIRE DETECTING SYSTEM. |
| JPS5555752U (en) * | 1978-10-12 | 1980-04-15 | ||
| US4223303A (en) * | 1978-12-11 | 1980-09-16 | General Electric Company | Alarm devices for interconnected multi-device systems |
| US4401978A (en) * | 1979-02-21 | 1983-08-30 | The Gamewell Corporation | Combination detector |
| EP0039761A3 (en) * | 1980-05-09 | 1981-11-25 | Cerberus Ag | Fire annunciating arrangement and method |
| JPH079680B2 (en) * | 1985-04-01 | 1995-02-01 | ホーチキ株式会社 | Analog fire alarm |
| CH669859A5 (en) * | 1986-06-03 | 1989-04-14 | Cerberus Ag | |
| EP0338218B1 (en) * | 1988-03-30 | 1993-09-15 | Cerberus Ag | Early fire detection method |
| JPH0259461U (en) * | 1988-10-21 | 1990-05-01 | ||
| US6753786B1 (en) | 2000-08-11 | 2004-06-22 | Walter Kidde Portable Equipment, Inc. | Microprocessor-based combination smoke and carbon monoxide detector having intelligent hush feature |
| US7068177B2 (en) * | 2002-09-19 | 2006-06-27 | Honeywell International, Inc. | Multi-sensor device and methods for fire detection |
| US20080030352A1 (en) * | 2006-02-27 | 2008-02-07 | Thorn Security Limited | Methods and systems for gas detection |
| CA3148692C (en) | 2013-10-07 | 2023-09-26 | Google Llc | Smart-home hazard detector providing context specific features and/or pre-alarm configurations |
| US9685061B2 (en) | 2015-05-20 | 2017-06-20 | Google Inc. | Event prioritization and user interfacing for hazard detection in multi-room smart-home environment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3665441A (en) * | 1970-09-14 | 1972-05-23 | Gen Signal Corp | Method and apparatus for detecting aerosols |
-
1972
- 1972-07-17 CH CH1065572A patent/CH547532A/en not_active IP Right Cessation
-
1973
- 1973-05-24 AT AT456073A patent/AT339777B/en not_active IP Right Cessation
- 1973-05-30 IT IT24820/73A patent/IT988800B/en active
- 1973-06-06 DE DE2328872A patent/DE2328872C3/en not_active Expired
- 1973-06-14 ES ES415905A patent/ES415905A1/en not_active Expired
- 1973-06-15 FI FI1943/73A patent/FI59498C/en active
- 1973-06-27 FR FR7323459A patent/FR2193224B1/fr not_active Expired
- 1973-06-28 US US374310A patent/US3909813A/en not_active Expired - Lifetime
- 1973-06-29 BE BE132959A patent/BE801719A/en not_active IP Right Cessation
- 1973-07-11 AU AU57987/73A patent/AU474603B2/en not_active Expired
- 1973-07-13 CA CA176,433A patent/CA1018680A/en not_active Expired
- 1973-07-16 NO NO2887/73A patent/NO136269C/en unknown
- 1973-07-16 SE SE7309920A patent/SE392357B/en unknown
- 1973-07-16 BR BR5317/73A patent/BR7305317D0/en unknown
- 1973-07-16 DK DK393473AA patent/DK138714B/en not_active IP Right Cessation
- 1973-07-17 JP JP48080012A patent/JPS4970691A/ja active Pending
- 1973-07-17 GB GB3409373A patent/GB1412164A/en not_active Expired
- 1973-07-17 ZA ZA734853A patent/ZA734853B/en unknown
-
1980
- 1980-10-09 HK HK573/80A patent/HK57380A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BR7305317D0 (en) | 1974-08-22 |
| AT339777B (en) | 1977-11-10 |
| IT988800B (en) | 1975-04-30 |
| SE392357B (en) | 1977-03-21 |
| FR2193224A1 (en) | 1974-02-15 |
| DK138714C (en) | 1979-03-19 |
| FI59498B (en) | 1981-04-30 |
| NO136269B (en) | 1977-05-02 |
| FI59498C (en) | 1981-08-10 |
| JPS4970691A (en) | 1974-07-09 |
| BE801719A (en) | 1973-10-15 |
| ES415905A1 (en) | 1976-02-01 |
| DE2328872C3 (en) | 1981-01-08 |
| DE2328872B2 (en) | 1980-05-14 |
| NO136269C (en) | 1977-08-17 |
| GB1412164A (en) | 1975-10-29 |
| HK57380A (en) | 1980-10-16 |
| US3909813A (en) | 1975-09-30 |
| CH547532A (en) | 1974-03-29 |
| ZA734853B (en) | 1974-06-26 |
| FR2193224B1 (en) | 1978-12-29 |
| ATA456073A (en) | 1977-02-15 |
| AU474603B2 (en) | 1976-07-29 |
| DE2328872A1 (en) | 1974-01-31 |
| DK138714B (en) | 1978-10-16 |
| CA1018680A (en) | 1977-10-04 |
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