FR544101A - Fire alarm and extinguisher device - Google Patents
Fire alarm and extinguisher deviceInfo
- Publication number
- FR544101A FR544101A FR544101DA FR544101A FR 544101 A FR544101 A FR 544101A FR 544101D A FR544101D A FR 544101DA FR 544101 A FR544101 A FR 544101A
- Authority
- FR
- France
- Prior art keywords
- fire alarm
- extinguisher device
- extinguisher
- alarm
- fire
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
-
- 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)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR544101T | 1921-12-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR544101A true FR544101A (en) | 1922-09-15 |
Family
ID=8932053
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR544101D Expired FR544101A (en) | 1921-12-02 | 1921-12-02 | Fire alarm and extinguisher device |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR544101A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1135850B (en) * | 1954-06-28 | 1962-09-06 | Pleiger Maschf Paul | Triggering device for actuating shut-off devices for flowing media in underground operation |
-
1921
- 1921-12-02 FR FR544101D patent/FR544101A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1135850B (en) * | 1954-06-28 | 1962-09-06 | Pleiger Maschf Paul | Triggering device for actuating shut-off devices for flowing media in underground operation |
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