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GB8801460D0 - Warning apparatus - Google Patents

Warning apparatus

Info

Publication number
GB8801460D0
GB8801460D0 GB888801460A GB8801460A GB8801460D0 GB 8801460 D0 GB8801460 D0 GB 8801460D0 GB 888801460 A GB888801460 A GB 888801460A GB 8801460 A GB8801460 A GB 8801460A GB 8801460 D0 GB8801460 D0 GB 8801460D0
Authority
GB
United Kingdom
Prior art keywords
warning apparatus
warning
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.)
Withdrawn
Application number
GB888801460A
Other versions
GB2214682A (en
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 GB8801460D0 publication Critical patent/GB8801460D0/en
Publication of GB2214682A publication Critical patent/GB2214682A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Electromagnetism (AREA)
  • Emergency Alarm Devices (AREA)
  • Fire-Detection Mechanisms (AREA)
GB8801460A 1988-01-21 1988-01-22 Smoke warning apparatus Withdrawn GB2214682A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE8800651U DE8800651U1 (en) 1988-01-21 1988-01-21 Warning device with a device for requesting refrain from smoking

Publications (2)

Publication Number Publication Date
GB8801460D0 true GB8801460D0 (en) 1988-02-24
GB2214682A GB2214682A (en) 1989-09-06

Family

ID=6819775

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8801460A Withdrawn GB2214682A (en) 1988-01-21 1988-01-22 Smoke warning apparatus

Country Status (3)

Country Link
DE (1) DE8800651U1 (en)
FR (1) FR2627613A1 (en)
GB (1) GB2214682A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8820965D0 (en) * 1988-09-07 1988-10-05 Broderick N G Improved alarm system
US5418520A (en) * 1991-11-10 1995-05-23 Hirshberg; Israel Credit card alert system
GB2428848A (en) * 2005-07-01 2007-02-07 Graham Wild Smoke alarm with sound and speech warnings

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH638331A5 (en) * 1979-02-22 1983-09-15 Cerberus Ag SMOKE DETECTOR.
GB2044504B (en) * 1979-03-17 1983-04-20 Hochiki Co Count discriminating fire detector
US4335379A (en) * 1979-09-13 1982-06-15 Martin John R Method and system for providing an audible alarm responsive to sensed conditions
FR2519493A1 (en) * 1981-12-31 1983-07-08 Agence Centrale De Services LF modulating circuit for warning horn or siren - has single VCO with logic sequencer producing square wave fed to control input via filter for progressive frequency variation
US4453222A (en) * 1982-04-19 1984-06-05 Exide Electronics Corporation Emergency device employing programmable vocal warning commands
US4623878A (en) * 1982-06-28 1986-11-18 Henry Schoenwetter Christmas tree mounted smoke detector
GB2125597A (en) * 1982-08-18 1984-03-07 Haley Radio Security Limited Alarm equipment

Also Published As

Publication number Publication date
GB2214682A (en) 1989-09-06
DE8800651U1 (en) 1988-08-25
FR2627613A1 (en) 1989-08-25

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)