FI41244B - - Google Patents
Info
- Publication number
- FI41244B FI41244B FI2169/64A FI216964A FI41244B FI 41244 B FI41244 B FI 41244B FI 2169/64 A FI2169/64 A FI 2169/64A FI 216964 A FI216964 A FI 216964A FI 41244 B FI41244 B FI 41244B
- Authority
- FI
- Finland
Links
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/07—Fire prevention, containment or extinguishing specially adapted for particular objects or places in vehicles, e.g. in road vehicles
-
- 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
-
- 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
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Fire-Detection Mechanisms (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL102744A PL50333B1 (de) | 1963-10-15 | ||
| PL3494963 | 1963-10-17 | ||
| PL3519964 | 1964-01-20 | ||
| PL3519864 | 1964-01-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FI41244B true FI41244B (de) | 1969-06-02 |
Family
ID=27484410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI2169/64A FI41244B (de) | 1963-10-15 | 1964-10-15 |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE1229421B (de) |
| FI (1) | FI41244B (de) |
| NL (1) | NL6411956A (de) |
| NO (1) | NO118893B (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2434178C2 (de) * | 1974-07-16 | 1983-12-08 | Matsushita Electric Works, Ltd., Kadoma, Osaka | Rauchmeldegerät nach dem Lichtstreuprinzip |
| US11506586B2 (en) | 2020-08-17 | 2022-11-22 | Carrier Corporation | Photoelectric smoke sensor tube |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1730544U (de) * | 1954-05-15 | 1956-09-20 | Walther & Cie Ag | Lichtband-rauchmelder, insbesondere fuer feuerloeschzwecke. |
| DE956118C (de) * | 1954-10-23 | 1957-01-10 | Standard Elek K Ag | Rauchmeldeeinrichtung |
| DE1051973B (de) * | 1955-05-31 | 1959-03-05 | Philips Nv | Schaltungsanordnung zur Abgabe einer Anzeige bei UEberschreiten eines bestimmten Wertes einer Spannung |
| DE1798135U (de) * | 1957-07-27 | 1959-10-15 | Walther & Cie Ag | Rauchmelder, insbesondere brandmelder. |
| DE1100514B (de) * | 1958-11-22 | 1961-02-23 | Walther & Cie Ag | Mit dem Tyndall-Effekt arbeitender, optischer Rauchmelder |
| DE1157972B (de) * | 1959-05-15 | 1963-11-21 | Walther & Cie Ag | Kombinierter Rauch- und Feuchtigkeitsanzeiger |
| DE1154379B (de) * | 1962-05-12 | 1963-09-12 | Walther & Cie Ag | Akustischer Rauchmelder |
-
1964
- 1964-10-12 NO NO155166A patent/NO118893B/no unknown
- 1964-10-14 DE DEZ11123A patent/DE1229421B/de active Pending
- 1964-10-14 NL NL6411956A patent/NL6411956A/xx unknown
- 1964-10-15 FI FI2169/64A patent/FI41244B/fi active
Also Published As
| Publication number | Publication date |
|---|---|
| NL6411956A (de) | 1965-04-20 |
| NO118893B (de) | 1970-02-23 |
| DE1229421B (de) | 1966-11-24 |