DK141183C - - Google Patents
Info
- Publication number
- DK141183C DK141183C DK251377A DK251377A DK141183C DK 141183 C DK141183 C DK 141183C DK 251377 A DK251377 A DK 251377A DK 251377 A DK251377 A DK 251377A DK 141183 C DK141183 C DK 141183C
- Authority
- DK
- Denmark
Links
Classifications
-
- 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
- G08B25/018—Sensor coding by detecting magnitude of an electrical parameter, e.g. resistance
Landscapes
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Locating Faults (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2010477 | 1977-05-13 | ||
| GB2010477A GB1537642A (en) | 1977-05-13 | 1977-05-13 | Monitoring arrangement |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DK251377A DK251377A (pl) | 1978-11-14 |
| DK141183B DK141183B (da) | 1980-01-28 |
| DK141183C true DK141183C (pl) | 1980-07-07 |
Family
ID=10140451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK251377A DK141183B (da) | 1977-05-13 | 1977-06-07 | Overvågningsanlæg. |
Country Status (3)
| Country | Link |
|---|---|
| DK (1) | DK141183B (pl) |
| FI (1) | FI771836A (pl) |
| GB (1) | GB1537642A (pl) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2090682B (en) * | 1981-01-06 | 1985-09-04 | Racal Mesl Security Ltd | Electrical circuits for security system |
-
1977
- 1977-05-13 GB GB2010477A patent/GB1537642A/en not_active Expired
- 1977-06-07 DK DK251377A patent/DK141183B/da unknown
- 1977-06-10 FI FI771836A patent/FI771836A/fi not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| DK141183B (da) | 1980-01-28 |
| GB1537642A (en) | 1979-01-04 |
| DK251377A (pl) | 1978-11-14 |
| FI771836A (fi) | 1978-11-14 |