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GB2253692B - Alarm system - Google Patents

Alarm system

Info

Publication number
GB2253692B
GB2253692B GB9204307A GB9204307A GB2253692B GB 2253692 B GB2253692 B GB 2253692B GB 9204307 A GB9204307 A GB 9204307A GB 9204307 A GB9204307 A GB 9204307A GB 2253692 B GB2253692 B GB 2253692B
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 - Fee Related
Application number
GB9204307A
Other versions
GB2253692A (en
GB9204307D0 (en
Inventor
Pedro Francisco Marrero
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
Priority claimed from GB9105495A external-priority patent/GB2253734B/en
Application filed by Individual filed Critical Individual
Priority to GB9204307A priority Critical patent/GB2253692B/en
Publication of GB9204307D0 publication Critical patent/GB9204307D0/en
Publication of GB2253692A publication Critical patent/GB2253692A/en
Application granted granted Critical
Publication of GB2253692B publication Critical patent/GB2253692B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G08B29/10—Monitoring of the annunciator circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
GB9204307A 1991-03-15 1992-02-28 Alarm system Expired - Fee Related GB2253692B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9204307A GB2253692B (en) 1991-03-15 1992-02-28 Alarm system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9105495A GB2253734B (en) 1991-03-15 1991-03-15 Alarm system
GB9204307A GB2253692B (en) 1991-03-15 1992-02-28 Alarm system

Publications (3)

Publication Number Publication Date
GB9204307D0 GB9204307D0 (en) 1992-04-08
GB2253692A GB2253692A (en) 1992-09-16
GB2253692B true GB2253692B (en) 1995-02-01

Family

ID=26298593

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9204307A Expired - Fee Related GB2253692B (en) 1991-03-15 1992-02-28 Alarm system

Country Status (1)

Country Link
GB (1) GB2253692B (en)

Also Published As

Publication number Publication date
GB2253692A (en) 1992-09-16
GB9204307D0 (en) 1992-04-08

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Legal Events

Date Code Title Description
775O Application for amendment (sect. 75/1977) open to opposition
775 Application for amendment of specification (sect. 75/1977)
775B Specification amended (sect. 75/1977)
765B Certificate of contested validity (sect. 65(1)/1977)
SP Amendment (slips) printed
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee