HK31082A - Smoke detector - Google Patents
Smoke detectorInfo
- Publication number
- HK31082A HK31082A HK310/82A HK31082A HK31082A HK 31082 A HK31082 A HK 31082A HK 310/82 A HK310/82 A HK 310/82A HK 31082 A HK31082 A HK 31082A HK 31082 A HK31082 A HK 31082A
- Authority
- HK
- Hong Kong
- Prior art keywords
- smoke detector
- smoke
- detector
- 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
- G08B17/103—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device
- G08B17/107—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device for detecting light-scattering due to smoke
-
- 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)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB21341/78A GB1581495A (en) | 1978-05-23 | 1978-05-23 | Smoke detector |
Publications (1)
Publication Number | Publication Date |
---|---|
HK31082A true HK31082A (en) | 1982-07-09 |
Family
ID=10161256
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK310/82A HK31082A (en) | 1978-05-23 | 1982-06-30 | Smoke detector |
Country Status (2)
Country | Link |
---|---|
GB (1) | GB1581495A (en) |
HK (1) | HK31082A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE8708891U1 (en) * | 1987-06-26 | 1987-08-20 | Siemens AG, 1000 Berlin und 8000 München | Cuboid-shaped optical smoke detector |
-
1978
- 1978-05-23 GB GB21341/78A patent/GB1581495A/en not_active Expired
-
1982
- 1982-06-30 HK HK310/82A patent/HK31082A/en unknown
Also Published As
Publication number | Publication date |
---|---|
GB1581495A (en) | 1980-12-17 |
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