GB2375868B - Alarm system - Google Patents

Alarm system

Info

Publication number
GB2375868B
GB2375868B GB0106935A GB0106935A GB2375868B GB 2375868 B GB2375868 B GB 2375868B GB 0106935 A GB0106935 A GB 0106935A GB 0106935 A GB0106935 A GB 0106935A GB 2375868 B GB2375868 B GB 2375868B
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
GB0106935A
Other versions
GB2375868A (en
GB0106935D0 (en
Inventor
Fariz Khellaf
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.)
Eaton Electrical Systems Ltd
Original Assignee
Cooper Lighting and Security 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 Cooper Lighting and Security Ltd filed Critical Cooper Lighting and Security Ltd
Priority to GB0106935A priority Critical patent/GB2375868B/en
Publication of GB0106935D0 publication Critical patent/GB0106935D0/en
Publication of GB2375868A publication Critical patent/GB2375868A/en
Application granted granted Critical
Publication of GB2375868B publication Critical patent/GB2375868B/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
    • G08B3/00—Audible signalling systems; Audible personal calling systems
    • G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
    • G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Fire Alarms (AREA)
GB0106935A 2001-03-20 2001-03-20 Alarm system Expired - Lifetime GB2375868B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0106935A GB2375868B (en) 2001-03-20 2001-03-20 Alarm system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0106935A GB2375868B (en) 2001-03-20 2001-03-20 Alarm system

Publications (3)

Publication Number Publication Date
GB0106935D0 GB0106935D0 (en) 2001-05-09
GB2375868A GB2375868A (en) 2002-11-27
GB2375868B true GB2375868B (en) 2005-09-21

Family

ID=9911151

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0106935A Expired - Lifetime GB2375868B (en) 2001-03-20 2001-03-20 Alarm system

Country Status (1)

Country Link
GB (1) GB2375868B (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4412211A (en) * 1981-08-28 1983-10-25 American District Telegraph Co. System for test sequence annunciation
JPH05120591A (en) * 1991-10-28 1993-05-18 Matsushita Electric Works Ltd Alarm unit equipped with speech message output function and security system using alarm unit
US5349338A (en) * 1993-02-02 1994-09-20 Routman Brent E Fire detector and alarm system
JPH08138179A (en) * 1994-11-04 1996-05-31 Otax Kk Safety and disaster-preventing device
US5663714A (en) * 1995-05-01 1997-09-02 Fray; Eddie Lee Warning system for giving verbal instruction during fire and method of operating the warning system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4412211A (en) * 1981-08-28 1983-10-25 American District Telegraph Co. System for test sequence annunciation
JPH05120591A (en) * 1991-10-28 1993-05-18 Matsushita Electric Works Ltd Alarm unit equipped with speech message output function and security system using alarm unit
US5349338A (en) * 1993-02-02 1994-09-20 Routman Brent E Fire detector and alarm system
JPH08138179A (en) * 1994-11-04 1996-05-31 Otax Kk Safety and disaster-preventing device
US5663714A (en) * 1995-05-01 1997-09-02 Fray; Eddie Lee Warning system for giving verbal instruction during fire and method of operating the warning system

Also Published As

Publication number Publication date
GB2375868A (en) 2002-11-27
GB0106935D0 (en) 2001-05-09

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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 20181115 AND 20181130

PE20 Patent expired after termination of 20 years

Expiry date: 20210319