HK58777A - Fire sensing system including an ionization chamber - Google Patents
Fire sensing system including an ionization chamberInfo
- Publication number
- HK58777A HK58777A HK587/77A HK58777A HK58777A HK 58777 A HK58777 A HK 58777A HK 587/77 A HK587/77 A HK 587/77A HK 58777 A HK58777 A HK 58777A HK 58777 A HK58777 A HK 58777A
- Authority
- HK
- Hong Kong
- Prior art keywords
- system including
- sensing system
- ionization chamber
- fire sensing
- fire
- 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
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)
- Fire Alarms (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1659873A CH556072A (en) | 1973-11-26 | 1973-11-26 | IONIZATION ALARM. |
Publications (1)
Publication Number | Publication Date |
---|---|
HK58777A true HK58777A (en) | 1977-12-02 |
Family
ID=4418667
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK587/77A HK58777A (en) | 1973-11-26 | 1977-11-24 | Fire sensing system including an ionization chamber |
Country Status (10)
Country | Link |
---|---|
JP (1) | JPS5513073B2 (en) |
CH (1) | CH556072A (en) |
DE (1) | DE2453062C2 (en) |
DK (1) | DK612574A (en) |
FR (1) | FR2252616B1 (en) |
GB (1) | GB1469267A (en) |
HK (1) | HK58777A (en) |
IE (1) | IE40219B1 (en) |
NO (1) | NO139459C (en) |
SE (1) | SE394530B (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT363827B (en) * | 1976-02-06 | 1981-09-10 | Cerberus Ag | ARRANGEMENT FOR FIRE SIGNALING |
US4104619A (en) * | 1976-10-01 | 1978-08-01 | General Electric Company | Smoke detector |
DE102014019172B4 (en) | 2014-12-17 | 2023-12-07 | Elmos Semiconductor Se | Device and method for distinguishing between solid objects, cooking fumes and smoke using a compensating optical measuring system |
DE102014019773B4 (en) | 2014-12-17 | 2023-12-07 | Elmos Semiconductor Se | Device and method for distinguishing between solid objects, cooking fumes and smoke using the display of a mobile telephone |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1081356B (en) * | 1958-01-08 | 1960-05-05 | Honeywell Regulator Co | Detector based on the ionization principle |
DE1279513B (en) * | 1963-10-16 | 1968-10-03 | Pour Applic Electroniques Ets | Ionization detector whose ionization chamber is accessible to the atmosphere |
US3673586A (en) * | 1970-02-19 | 1972-06-27 | Statitrol Corp | Resistance controlled timed pulse generator |
-
1973
- 1973-11-26 CH CH1659873A patent/CH556072A/en not_active IP Right Cessation
-
1974
- 1974-11-08 DE DE2453062A patent/DE2453062C2/en not_active Expired
- 1974-11-11 JP JP12905674A patent/JPS5513073B2/ja not_active Expired
- 1974-11-18 FR FR7437953A patent/FR2252616B1/fr not_active Expired
- 1974-11-25 SE SE7414766A patent/SE394530B/en unknown
- 1974-11-25 DK DK612574A patent/DK612574A/da not_active Application Discontinuation
- 1974-11-25 NO NO744230A patent/NO139459C/en unknown
- 1974-11-26 GB GB5117274A patent/GB1469267A/en not_active Expired
- 1974-11-26 IE IE2430/74A patent/IE40219B1/en unknown
-
1977
- 1977-11-24 HK HK587/77A patent/HK58777A/en unknown
Also Published As
Publication number | Publication date |
---|---|
NO139459C (en) | 1979-03-14 |
JPS5513073B2 (en) | 1980-04-05 |
IE40219L (en) | 1975-05-26 |
GB1469267A (en) | 1977-04-06 |
DE2453062C2 (en) | 1982-09-16 |
FR2252616B1 (en) | 1980-03-14 |
SE394530B (en) | 1977-06-27 |
CH556072A (en) | 1974-11-15 |
NO139459B (en) | 1978-12-04 |
JPS5086300A (en) | 1975-07-11 |
FR2252616A1 (en) | 1975-06-20 |
SE7414766L (en) | 1975-05-27 |
DE2453062A1 (en) | 1975-05-28 |
IE40219B1 (en) | 1979-04-11 |
DK612574A (en) | 1975-07-14 |
NO744230L (en) | 1975-06-23 |
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