FR2362456A1 - Installation pour la realisation d'un systeme electrique de surveillance centralisee - Google Patents
Installation pour la realisation d'un systeme electrique de surveillance centraliseeInfo
- Publication number
- FR2362456A1 FR2362456A1 FR7625233A FR7625233A FR2362456A1 FR 2362456 A1 FR2362456 A1 FR 2362456A1 FR 7625233 A FR7625233 A FR 7625233A FR 7625233 A FR7625233 A FR 7625233A FR 2362456 A1 FR2362456 A1 FR 2362456A1
- Authority
- FR
- France
- Prior art keywords
- signals
- supervisory
- central
- signal transmission
- transformer
- 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.)
- Granted
Links
- 230000008054 signal transmission Effects 0.000 title abstract 2
- 230000001788 irregular Effects 0.000 abstract 4
- 230000000694 effects Effects 0.000 abstract 1
- 238000009434 installation Methods 0.000 abstract 1
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
- G08B29/08—Signalling of tampering with the line circuit
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/08—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using communication transmission lines
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Alarm Systems (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7625233A FR2362456A1 (fr) | 1976-08-19 | 1976-08-19 | Installation pour la realisation d'un systeme electrique de surveillance centralisee |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7625233A FR2362456A1 (fr) | 1976-08-19 | 1976-08-19 | Installation pour la realisation d'un systeme electrique de surveillance centralisee |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2362456A1 true FR2362456A1 (fr) | 1978-03-17 |
| FR2362456B1 FR2362456B1 (enExample) | 1982-08-20 |
Family
ID=9177010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7625233A Granted FR2362456A1 (fr) | 1976-08-19 | 1976-08-19 | Installation pour la realisation d'un systeme electrique de surveillance centralisee |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2362456A1 (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2551280A1 (fr) * | 1983-08-25 | 1985-03-01 | Gotanda Motohiro | Dispositif de surveillance d'immeuble |
-
1976
- 1976-08-19 FR FR7625233A patent/FR2362456A1/fr active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2551280A1 (fr) * | 1983-08-25 | 1985-03-01 | Gotanda Motohiro | Dispositif de surveillance d'immeuble |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2362456B1 (enExample) | 1982-08-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |