FR2292293B3 - - Google Patents
Info
- Publication number
- FR2292293B3 FR2292293B3 FR7438399A FR7438399A FR2292293B3 FR 2292293 B3 FR2292293 B3 FR 2292293B3 FR 7438399 A FR7438399 A FR 7438399A FR 7438399 A FR7438399 A FR 7438399A FR 2292293 B3 FR2292293 B3 FR 2292293B3
- 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
- G08B29/02—Monitoring continuously signalling or alarm systems
- G08B29/04—Monitoring of the detection circuits
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Burglar Alarm Systems (AREA)
- Selective Calling Equipment (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7438399A FR2292293A1 (fr) | 1974-11-22 | 1974-11-22 | Systeme de detection ou de surveillance a distance dont la ligne de raccordement est munie d'un dispositif permettant d'en controler le bon etat de fonctionnement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7438399A FR2292293A1 (fr) | 1974-11-22 | 1974-11-22 | Systeme de detection ou de surveillance a distance dont la ligne de raccordement est munie d'un dispositif permettant d'en controler le bon etat de fonctionnement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2292293A1 FR2292293A1 (fr) | 1976-06-18 |
| FR2292293B3 true FR2292293B3 (da) | 1977-08-26 |
Family
ID=9145164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7438399A Granted FR2292293A1 (fr) | 1974-11-22 | 1974-11-22 | Systeme de detection ou de surveillance a distance dont la ligne de raccordement est munie d'un dispositif permettant d'en controler le bon etat de fonctionnement |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2292293A1 (da) |
-
1974
- 1974-11-22 FR FR7438399A patent/FR2292293A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2292293A1 (fr) | 1976-06-18 |