GB2326006B - Alarm system - Google Patents

Alarm system

Info

Publication number
GB2326006B
GB2326006B GB9711743A GB9711743A GB2326006B GB 2326006 B GB2326006 B GB 2326006B GB 9711743 A GB9711743 A GB 9711743A GB 9711743 A GB9711743 A GB 9711743A GB 2326006 B GB2326006 B GB 2326006B
Authority
GB
United Kingdom
Prior art keywords
alarm system
alarm
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.)
Expired - Lifetime
Application number
GB9711743A
Other versions
GB9711743D0 (en
GB2326006A (en
Inventor
Angus Jonathan Bertram Stone
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.)
Menvier Ltd
Original Assignee
Menvier 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 Menvier Ltd filed Critical Menvier Ltd
Priority to GB9711743A priority Critical patent/GB2326006B/en
Publication of GB9711743D0 publication Critical patent/GB9711743D0/en
Publication of GB2326006A publication Critical patent/GB2326006A/en
Application granted granted Critical
Publication of GB2326006B publication Critical patent/GB2326006B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B27/00—Alarm systems in which the alarm condition is signalled from a central station to a plurality of substations

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Alarm Systems (AREA)
GB9711743A 1997-06-07 1997-06-07 Alarm system Expired - Lifetime GB2326006B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9711743A GB2326006B (en) 1997-06-07 1997-06-07 Alarm system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9711743A GB2326006B (en) 1997-06-07 1997-06-07 Alarm system

Publications (3)

Publication Number Publication Date
GB9711743D0 GB9711743D0 (en) 1997-08-06
GB2326006A GB2326006A (en) 1998-12-09
GB2326006B true GB2326006B (en) 2001-04-11

Family

ID=10813698

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9711743A Expired - Lifetime GB2326006B (en) 1997-06-07 1997-06-07 Alarm system

Country Status (1)

Country Link
GB (1) GB2326006B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2423618B (en) * 2004-03-15 2008-08-13 Novar Systems Ltd Improvements in and relating to addressable devices

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2293257A (en) * 1994-09-16 1996-03-20 Jsb Electrical Plc Fire alarms

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2293257A (en) * 1994-09-16 1996-03-20 Jsb Electrical Plc Fire alarms

Also Published As

Publication number Publication date
GB9711743D0 (en) 1997-08-06
GB2326006A (en) 1998-12-09

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20141106 AND 20141112

PE20 Patent expired after termination of 20 years

Expiry date: 20170606