FR742730A - - Google Patents
Info
- Publication number
- FR742730A FR742730A FR742730DA FR742730A FR 742730 A FR742730 A FR 742730A FR 742730D A FR742730D A FR 742730DA FR 742730 A FR742730 A FR 742730A
- 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
- G08B29/06—Monitoring of the line circuits, e.g. signalling of line faults
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- 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)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR742730A true FR742730A (el) | 1933-03-14 |
Family
ID=1547097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR742730D Expired FR742730A (el) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR742730A (el) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1981000238A1 (fr) * | 1979-07-16 | 1981-02-05 | Jeumont Schneider | Dispositif d'alimentation et de controle du bon fonctionnement d'un feu de signalisation ferroviaire |
-
0
- FR FR742730D patent/FR742730A/fr not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1981000238A1 (fr) * | 1979-07-16 | 1981-02-05 | Jeumont Schneider | Dispositif d'alimentation et de controle du bon fonctionnement d'un feu de signalisation ferroviaire |
| FR2461626A1 (fr) * | 1979-07-16 | 1981-02-06 | Jeumont Schneider | Dispositif d'alimentation et de controle du bon fonctionnement d'un feu de signalisation ferroviaire |