FR2448716B1 - - Google Patents
Info
- Publication number
- FR2448716B1 FR2448716B1 FR7903220A FR7903220A FR2448716B1 FR 2448716 B1 FR2448716 B1 FR 2448716B1 FR 7903220 A FR7903220 A FR 7903220A FR 7903220 A FR7903220 A FR 7903220A FR 2448716 B1 FR2448716 B1 FR 2448716B1
- Authority
- FR
- France
- 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
- G08B29/16—Security signalling or alarm systems, e.g. redundant systems
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/10—Alarms for ensuring the safety of persons responsive to calamitous events, e.g. tornados or earthquakes
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7903220A FR2448716A1 (fr) | 1979-02-08 | 1979-02-08 | Systeme pour detecter la rupture effective des ouvrages d'art |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7903220A FR2448716A1 (fr) | 1979-02-08 | 1979-02-08 | Systeme pour detecter la rupture effective des ouvrages d'art |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2448716A1 FR2448716A1 (fr) | 1980-09-05 |
| FR2448716B1 true FR2448716B1 (pt-PT) | 1982-01-22 |
Family
ID=9221738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7903220A Granted FR2448716A1 (fr) | 1979-02-08 | 1979-02-08 | Systeme pour detecter la rupture effective des ouvrages d'art |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2448716A1 (pt-PT) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2575571B1 (fr) * | 1985-01-03 | 1989-05-05 | Securite Automatisme Protectio | Installation de securite anti-intrusion |
| ES2041673T3 (es) * | 1986-12-12 | 1993-12-01 | Siemens Aktiengesellschaft | Instalacion para la supervision de postes de lineas aereas. |
| FR2649266A1 (fr) * | 1989-06-28 | 1991-01-04 | Crde | Systeme emetteur-recepteur haute frequence pour telealarme |
| TWI498861B (zh) * | 2013-03-25 | 2015-09-01 | Taiwan High Speed Rail Corp | 地震偵測器旁路系統 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE379643A (pt-PT) * | 1930-05-07 | |||
| DE1261197B (de) * | 1965-02-06 | 1968-02-15 | Telefunken Patent | Verfahren zur Warnung des in einem Gebietsstreifen der Umgebung einer Gefahrenquelle lebenden Bevoelkerungsteils |
| FR2295506A1 (fr) * | 1974-10-21 | 1976-07-16 | Harrisson France Agence Annonc | Installation de transmission d'alarmes |
-
1979
- 1979-02-08 FR FR7903220A patent/FR2448716A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2448716A1 (fr) | 1980-09-05 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |