FR54102E - Improvements in electrical fire signaling devices and the like - Google Patents
Improvements in electrical fire signaling devices and the likeInfo
- Publication number
- FR54102E FR54102E FR54102DA FR54102E FR 54102 E FR54102 E FR 54102E FR 54102D A FR54102D A FR 54102DA FR 54102 E FR54102 E FR 54102E
- Authority
- FR
- France
- Prior art keywords
- signaling devices
- electrical fire
- fire signaling
- electrical
- devices
- 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
- G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch
Landscapes
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fire-Detection Mechanisms (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR54102T | 1945-03-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR54102E true FR54102E (en) | 1947-11-06 |
Family
ID=8688569
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR54102D Expired FR54102E (en) | 1945-03-02 | 1945-03-02 | Improvements in electrical fire signaling devices and the like |
Country Status (2)
Country | Link |
---|---|
BE (1) | BE459861A (en) |
FR (1) | FR54102E (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1005877B (en) * | 1953-02-14 | 1957-04-04 | Ericsson Telefon Ab L M | Automatic fire alarm system |
-
0
- BE BE459861D patent/BE459861A/fr unknown
-
1945
- 1945-03-02 FR FR54102D patent/FR54102E/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1005877B (en) * | 1953-02-14 | 1957-04-04 | Ericsson Telefon Ab L M | Automatic fire alarm system |
Also Published As
Publication number | Publication date |
---|---|
BE459861A (en) |
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