SE7807563L - Joniserande rokdetektor med reglerbar kenslighet - Google Patents
Joniserande rokdetektor med reglerbar kenslighetInfo
- Publication number
- SE7807563L SE7807563L SE7807563A SE7807563A SE7807563L SE 7807563 L SE7807563 L SE 7807563L SE 7807563 A SE7807563 A SE 7807563A SE 7807563 A SE7807563 A SE 7807563A SE 7807563 L SE7807563 L SE 7807563L
- Authority
- SE
- Sweden
- Prior art keywords
- smoke detector
- adjustable sensitivity
- ionizing smoke
- ionizing
- sensitivity
- Prior art date
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 (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/829,352 US4171486A (en) | 1977-08-31 | 1977-08-31 | Ionization smoke detector with controlled sensitivity |
Publications (1)
Publication Number | Publication Date |
---|---|
SE7807563L true SE7807563L (sv) | 1979-03-01 |
Family
ID=25254287
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7807563A SE7807563L (sv) | 1977-08-31 | 1978-07-05 | Joniserande rokdetektor med reglerbar kenslighet |
Country Status (7)
Country | Link |
---|---|
US (1) | US4171486A (de) |
AU (1) | AU3804778A (de) |
BR (1) | BR7804414A (de) |
DE (1) | DE2829229A1 (de) |
FR (1) | FR2402208A1 (de) |
IT (1) | IT1113148B (de) |
SE (1) | SE7807563L (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4564762A (en) * | 1984-05-16 | 1986-01-14 | Pyrotector, Inc. | Smoke detector |
FR2594953B1 (fr) * | 1986-02-25 | 1989-05-05 | Lewiner Jacques | Detecteur de fumee a chambre d'ionisation |
DE10133384A1 (de) * | 2001-07-10 | 2003-01-30 | Bosch Gmbh Robert | Sensor zur Detektion von Teilchen und Verfahren zu dessen Funktionskontrolle |
DE10153461B4 (de) * | 2001-10-30 | 2004-01-29 | Abb Patent Gmbh | Rauchdetektor |
KR20180075538A (ko) * | 2015-10-26 | 2018-07-04 | 호치키 코포레이션 | 경보 장치 |
US10885763B2 (en) * | 2016-04-01 | 2021-01-05 | Intel Corporation | Sensing technologies in alarm devices |
US10559179B2 (en) * | 2017-09-13 | 2020-02-11 | 4Morr Enterprises IP, LLC | System and method for detecting smoke using an ionization sensor |
CN113345201A (zh) * | 2021-06-24 | 2021-09-03 | 安徽火政消防科技有限公司 | 一种分装结构的光电感烟火灾探测器 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3909815A (en) * | 1973-06-01 | 1975-09-30 | Gamma Electronic | Detector for fumes and combustion gases |
FR2268263B1 (de) * | 1974-04-18 | 1979-03-30 | Hochiki Co | |
JPS5552558Y2 (de) * | 1975-02-10 | 1980-12-05 | ||
FR2360881A1 (fr) * | 1976-08-03 | 1978-03-03 | Orthotron | Detecteur ionique de fumee |
-
1977
- 1977-08-31 US US05/829,352 patent/US4171486A/en not_active Expired - Lifetime
-
1978
- 1978-07-03 DE DE19782829229 patent/DE2829229A1/de active Pending
- 1978-07-05 SE SE7807563A patent/SE7807563L/xx unknown
- 1978-07-07 BR BR7804414A patent/BR7804414A/pt unknown
- 1978-07-14 AU AU38047/78A patent/AU3804778A/en active Pending
- 1978-07-28 FR FR7822370A patent/FR2402208A1/fr not_active Withdrawn
- 1978-08-01 IT IT26360/78A patent/IT1113148B/it active
Also Published As
Publication number | Publication date |
---|---|
DE2829229A1 (de) | 1979-03-08 |
IT7826360A0 (it) | 1978-08-01 |
FR2402208A1 (fr) | 1979-03-30 |
US4171486A (en) | 1979-10-16 |
BR7804414A (pt) | 1979-05-08 |
IT1113148B (it) | 1986-01-20 |
AU3804778A (en) | 1980-01-17 |
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