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GB2175424B - Improvements relating to alarm systems - Google Patents

Improvements relating to alarm systems

Info

Publication number
GB2175424B
GB2175424B GB08611758A GB8611758A GB2175424B GB 2175424 B GB2175424 B GB 2175424B GB 08611758 A GB08611758 A GB 08611758A GB 8611758 A GB8611758 A GB 8611758A GB 2175424 B GB2175424 B GB 2175424B
Authority
GB
United Kingdom
Prior art keywords
improvements relating
alarm systems
alarm
systems
relating
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
Application number
GB08611758A
Other versions
GB8611758D0 (en
GB2175424A (en
Inventor
William David Church
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB8611758D0 publication Critical patent/GB8611758D0/en
Publication of GB2175424A publication Critical patent/GB2175424A/en
Application granted granted Critical
Publication of GB2175424B publication Critical patent/GB2175424B/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G08B27/003—Signalling to neighbouring houses

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Alarm Systems (AREA)
GB08611758A 1985-05-18 1986-05-14 Improvements relating to alarm systems Expired GB2175424B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB858512613A GB8512613D0 (en) 1985-05-18 1985-05-18 Alarm systems

Publications (3)

Publication Number Publication Date
GB8611758D0 GB8611758D0 (en) 1986-06-25
GB2175424A GB2175424A (en) 1986-11-26
GB2175424B true GB2175424B (en) 1988-09-07

Family

ID=10579348

Family Applications (2)

Application Number Title Priority Date Filing Date
GB858512613A Pending GB8512613D0 (en) 1985-05-18 1985-05-18 Alarm systems
GB08611758A Expired GB2175424B (en) 1985-05-18 1986-05-14 Improvements relating to alarm systems

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB858512613A Pending GB8512613D0 (en) 1985-05-18 1985-05-18 Alarm systems

Country Status (1)

Country Link
GB (2) GB8512613D0 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2207532A (en) * 1987-07-31 1989-02-01 Peter Robert Lewis Improvements in or relating to security systems
FR2644917A1 (en) * 1989-03-23 1990-09-28 Grand Patrice Collective surveillance device
WO1998010392A1 (en) * 1996-09-06 1998-03-12 Connor Timothy O Burglar alarm apparatus for neighborhoods
US5933078A (en) * 1997-07-29 1999-08-03 Ranco Inc. Of Delaware Multi-station dangerous condition alarm system incorporating alarm and chirp origination feature
DE20308426U1 (en) * 2003-05-27 2003-08-07 Liao, Yi-Chia, Hsinchu Multiprocessor alarm
GB201416198D0 (en) * 2014-09-12 2014-10-29 Bull Products Ltd Alarm system

Also Published As

Publication number Publication date
GB8611758D0 (en) 1986-06-25
GB8512613D0 (en) 1985-06-19
GB2175424A (en) 1986-11-26

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee