FI45139B - - Google Patents
Info
- Publication number
- FI45139B FI45139B FI2744/65A FI274465A FI45139B FI 45139 B FI45139 B FI 45139B FI 2744/65 A FI2744/65 A FI 2744/65A FI 274465 A FI274465 A FI 274465A FI 45139 B FI45139 B FI 45139B
- Authority
- FI
- Finland
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)
- Emergency Lowering Means (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE321/65A SE311306B (en) | 1965-01-11 | 1965-01-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FI45139B true FI45139B (en) | 1971-11-30 |
| FI45139C FI45139C (en) | 1972-03-10 |
Family
ID=20256359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI652744A FI45139C (en) | 1965-01-11 | 1965-11-16 | Device for fire alarm systems. |
Country Status (5)
| Country | Link |
|---|---|
| CH (1) | CH448815A (en) |
| DK (1) | DK114678B (en) |
| FI (1) | FI45139C (en) |
| NO (1) | NO117679B (en) |
| SE (1) | SE311306B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5993253B2 (en) | 2012-09-06 | 2016-09-14 | 能美防災株式会社 | smoke detector |
-
1965
- 1965-01-11 SE SE321/65A patent/SE311306B/xx unknown
- 1965-11-11 NO NO160440A patent/NO117679B/no unknown
- 1965-11-16 FI FI652744A patent/FI45139C/en active
- 1965-12-16 DK DK646265AA patent/DK114678B/en unknown
-
1966
- 1966-01-11 CH CH33066A patent/CH448815A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| SE311306B (en) | 1969-06-02 |
| FI45139C (en) | 1972-03-10 |
| CH448815A (en) | 1967-12-15 |
| DK114678B (en) | 1969-07-21 |
| NO117679B (en) | 1969-09-08 |