FI771836A - Oevervakningsanordning - Google Patents
OevervakningsanordningInfo
- Publication number
- FI771836A FI771836A FI771836A FI771836A FI771836A FI 771836 A FI771836 A FI 771836A FI 771836 A FI771836 A FI 771836A FI 771836 A FI771836 A FI 771836A FI 771836 A FI771836 A FI 771836A
- Authority
- FI
- Finland
- Prior art keywords
- oevervakningsanordning
- Prior art date
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 (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2010477A GB1537642A (en) | 1977-05-13 | 1977-05-13 | Monitoring arrangement |
Publications (1)
Publication Number | Publication Date |
---|---|
FI771836A true FI771836A (fi) | 1978-11-14 |
Family
ID=10140451
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI771836A FI771836A (fi) | 1977-05-13 | 1977-06-10 | Oevervakningsanordning |
Country Status (3)
Country | Link |
---|---|
DK (1) | DK141183B (US20030204162A1-20031030-M00001.png) |
FI (1) | FI771836A (US20030204162A1-20031030-M00001.png) |
GB (1) | GB1537642A (US20030204162A1-20031030-M00001.png) |
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 |
---|---|
DK141183C (US20030204162A1-20031030-M00001.png) | 1980-07-07 |
DK141183B (da) | 1980-01-28 |
GB1537642A (en) | 1979-01-04 |
DK251377A (US20030204162A1-20031030-M00001.png) | 1978-11-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD | Application lapsed |
Owner name: PAN DATA AB |