GB8520094D0 - Signalling system - Google Patents

Signalling system

Info

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Withdrawn
Application number
GB858520094A
Other versions
GB2163583A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Maximal Security Products Ltd
Original Assignee
Maximal Security Products Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Maximal Security Products Ltd filed Critical Maximal Security Products Ltd
Publication of GB8520094D0 publication Critical patent/GB8520094D0/en
Publication of GB2163583A publication Critical patent/GB2163583A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01Alarm 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
    • G08B25/04Alarm 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
    • G08B25/045Alarm 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)
GB08520094A 1984-08-10 1985-08-09 Signalling system Withdrawn GB2163583A (en)

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)

* Cited by examiner, † Cited by third party
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

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)