GB2312311B - An alarm device having a long-life power supply - Google Patents

An alarm device having a long-life power supply

Info

Publication number
GB2312311B
GB2312311B GB9614995A GB9614995A GB2312311B GB 2312311 B GB2312311 B GB 2312311B GB 9614995 A GB9614995 A GB 9614995A GB 9614995 A GB9614995 A GB 9614995A GB 2312311 B GB2312311 B GB 2312311B
Authority
GB
United Kingdom
Prior art keywords
long
power supply
alarm device
life power
life
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
GB9614995A
Other versions
GB9614995D0 (en
GB2312311A (en
Inventor
Michael Byrne
Michael Guinee
James Duignan
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.)
EI Technology Ltd
Original Assignee
EI Technology 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 EI Technology Ltd filed Critical EI Technology Ltd
Publication of GB9614995D0 publication Critical patent/GB9614995D0/en
Publication of GB2312311A publication Critical patent/GB2312311A/en
Application granted granted Critical
Publication of GB2312311B publication Critical patent/GB2312311B/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
    • G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/18—Prevention or correction of operating errors
    • G08B29/181—Prevention or correction of operating errors due to failing power supply

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Battery Mounting, Suspending (AREA)
GB9614995A 1996-04-15 1996-07-17 An alarm device having a long-life power supply Expired - Lifetime GB2312311B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IE960285 1996-04-15

Publications (3)

Publication Number Publication Date
GB9614995D0 GB9614995D0 (en) 1996-09-04
GB2312311A GB2312311A (en) 1997-10-22
GB2312311B true GB2312311B (en) 2000-04-19

Family

ID=11041140

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9614995A Expired - Lifetime GB2312311B (en) 1996-04-15 1996-07-17 An alarm device having a long-life power supply

Country Status (1)

Country Link
GB (1) GB2312311B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1870865A1 (en) * 2006-06-21 2007-12-26 Siemens Schweiz AG Hasard warning device power supply

Also Published As

Publication number Publication date
GB9614995D0 (en) 1996-09-04
GB2312311A (en) 1997-10-22

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20160716