IE810225L - Identifying position in electrical circuit of change of¹state-intruder alarms - Google Patents
Identifying position in electrical circuit of change of¹state-intruder alarmsInfo
- Publication number
- IE810225L IE810225L IE22581A IE22581A IE810225L IE 810225 L IE810225 L IE 810225L IE 22581 A IE22581 A IE 22581A IE 22581 A IE22581 A IE 22581A IE 810225 L IE810225 L IE 810225L
- Authority
- IE
- Ireland
- Prior art keywords
- of1state
- change
- electrical circuit
- identifying position
- intruder alarms
- Prior art date
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
- 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
- G08B25/018—Sensor coding by detecting magnitude of an electrical parameter, e.g. resistance
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 (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IE22581A IE810225L (en) | 1981-02-06 | 1981-02-06 | Identifying position in electrical circuit of change of¹state-intruder alarms |
DK346982A DK346982A (en) | 1981-02-06 | 1982-08-03 | METHOD AND APPARATUS FOR IDENTIFYING THE LOCATION OF A STATE CHANGE IN A PART OF AN ELECTRIC CIRCUIT |
EP82304097A EP0072187A1 (en) | 1981-02-06 | 1982-08-03 | Method and apparatus for identifying the location of a change in state of a part of an electrical circuit |
CA000408770A CA1194573A (en) | 1981-02-06 | 1982-08-05 | Method and apparatus for identifying the location of a change in state of a part of an electrical circuit |
BE0/208769A BE894055A (en) | 1981-02-06 | 1982-08-06 | METHOD AND APPARATUS FOR IDENTIFYING THE LOCATION OF CHANGE OF STATE OF A PART OF AN ELECTRIC CIRCUIT |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IE22581A IE810225L (en) | 1981-02-06 | 1981-02-06 | Identifying position in electrical circuit of change of¹state-intruder alarms |
Publications (1)
Publication Number | Publication Date |
---|---|
IE810225L true IE810225L (en) | 1982-08-06 |
Family
ID=11008944
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IE22581A IE810225L (en) | 1981-02-06 | 1981-02-06 | Identifying position in electrical circuit of change of¹state-intruder alarms |
Country Status (2)
Country | Link |
---|---|
BE (1) | BE894055A (en) |
IE (1) | IE810225L (en) |
-
1981
- 1981-02-06 IE IE22581A patent/IE810225L/en unknown
-
1982
- 1982-08-06 BE BE0/208769A patent/BE894055A/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
BE894055A (en) | 1982-12-01 |
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IE810225L (en) | Identifying position in electrical circuit of change of¹state-intruder alarms |