GB8520094D0 - Signalling system - Google Patents
Signalling systemInfo
- Publication number
- GB8520094D0 GB8520094D0 GB858520094A GB8520094A GB8520094D0 GB 8520094 D0 GB8520094 D0 GB 8520094D0 GB 858520094 A GB858520094 A GB 858520094A GB 8520094 A GB8520094 A GB 8520094A GB 8520094 D0 GB8520094 D0 GB 8520094D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- signalling system
- signalling
- 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.)
- Withdrawn
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
- G08B25/04—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 a single signalling line, e.g. in a closed loop
- G08B25/045—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 a single signalling line, e.g. in a closed loop with sensing devices and central station in a closed loop, e.g. McCullough loop
Landscapes
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Alarm Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8420365 | 1984-08-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
GB8520094D0 true GB8520094D0 (en) | 1985-09-18 |
GB2163583A GB2163583A (en) | 1986-02-26 |
Family
ID=10565164
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB08520094A Withdrawn GB2163583A (en) | 1984-08-10 | 1985-08-09 | Signalling system |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2163583A (en) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1282657A (en) * | 1970-04-10 | 1972-07-19 | Jaguar Cars | Electrical supply system |
GB1454283A (en) * | 1973-06-09 | 1976-11-03 | Elliott G P | Indicator/alarm apparatus |
GB2018481A (en) * | 1978-01-24 | 1979-10-17 | Humphreys & Glasgow Ltd | Data loggers |
-
1985
- 1985-08-09 GB GB08520094A patent/GB2163583A/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
GB2163583A (en) | 1986-02-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |