FR1121427A - Avertisseur automatique d'incendie - Google Patents
Avertisseur automatique d'incendieInfo
- Publication number
- FR1121427A FR1121427A FR1121427DA FR1121427A FR 1121427 A FR1121427 A FR 1121427A FR 1121427D A FR1121427D A FR 1121427DA FR 1121427 A FR1121427 A FR 1121427A
- Authority
- FR
- France
- Prior art keywords
- fire alarm
- automatic fire
- automatic
- 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
- G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
- G08B29/02—Monitoring continuously signalling or alarm systems
- G08B29/06—Monitoring of the line circuits, e.g. signalling of line faults
-
- 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
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Fire Alarms (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE333751X | 1954-04-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1121427A true FR1121427A (fr) | 1956-08-14 |
Family
ID=20308174
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1121427D Expired FR1121427A (fr) | 1954-04-01 | 1955-03-29 | Avertisseur automatique d'incendie |
Country Status (5)
Country | Link |
---|---|
US (1) | US2847662A (fr) |
CH (1) | CH333751A (fr) |
DE (1) | DE1022500B (fr) |
FR (1) | FR1121427A (fr) |
GB (1) | GB769249A (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3083358A (en) * | 1957-04-25 | 1963-03-26 | Sound Diffusion Auto Thermatic | Detecting and indicating apparatus, particularly for fire |
US3066487A (en) * | 1958-05-12 | 1962-12-04 | Bendix Corp | Combustion starter having overspeed safety |
US3144589A (en) * | 1959-09-16 | 1964-08-11 | Gen Electric | Control system |
US5532675A (en) * | 1994-12-29 | 1996-07-02 | Linda Johnson | Alarm tester |
GB2308711A (en) * | 1995-12-15 | 1997-07-02 | Cga Direct | Thatch temperature monitor |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1537211A (en) * | 1922-09-07 | 1925-05-12 | John H Wootton | Signaling system |
DE748751C (de) * | 1937-12-21 | 1944-11-09 | Elektrische Alarmanlage mit einer oder mehreren UEberwachungsschleifen | |
US2605342A (en) * | 1948-12-10 | 1952-07-29 | Sherman D Spurling | Fire alarm system |
US2695994A (en) * | 1952-06-25 | 1954-11-30 | Gen Sonics Corp | Supervised signaling system |
DE956117C (de) * | 1954-10-23 | 1957-01-10 | Olaf Ingemar Harald Ekman | Alarm- oder Kontrollanlage |
-
1955
- 1955-03-25 CH CH333751D patent/CH333751A/de unknown
- 1955-03-25 US US496880A patent/US2847662A/en not_active Expired - Lifetime
- 1955-03-29 FR FR1121427D patent/FR1121427A/fr not_active Expired
- 1955-03-31 DE DET10792A patent/DE1022500B/de active Pending
- 1955-04-01 GB GB9596/55A patent/GB769249A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE1022500B (de) | 1958-01-09 |
US2847662A (en) | 1958-08-12 |
CH333751A (de) | 1958-10-31 |
GB769249A (en) | 1957-03-06 |
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