ATE56099T1 - Detektor- und alarmanlage. - Google Patents

Detektor- und alarmanlage.

Info

Publication number
ATE56099T1
ATE56099T1 AT85307367T AT85307367T ATE56099T1 AT E56099 T1 ATE56099 T1 AT E56099T1 AT 85307367 T AT85307367 T AT 85307367T AT 85307367 T AT85307367 T AT 85307367T AT E56099 T1 ATE56099 T1 AT E56099T1
Authority
AT
Austria
Prior art keywords
air pressure
enclosed space
alarm system
detector
changes
Prior art date
Application number
AT85307367T
Other languages
English (en)
Inventor
Harold Cowell Holden
June Holden
Original Assignee
Microprotector 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 Microprotector Ltd filed Critical Microprotector Ltd
Application granted granted Critical
Publication of ATE56099T1 publication Critical patent/ATE56099T1/de

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/16—Actuation by interference with mechanical vibrations in air or other fluid
    • G08B13/1654—Actuation by interference with mechanical vibrations in air or other fluid using passive vibration detection systems
    • G08B13/1681—Actuation by interference with mechanical vibrations in air or other fluid using passive vibration detection systems using infrasonic detecting means, e.g. a microphone operating below the audible frequency range
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/20—Actuation by change of fluid pressure

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Burglar Alarm Systems (AREA)
  • Alarm Systems (AREA)
AT85307367T 1985-10-14 1985-10-14 Detektor- und alarmanlage. ATE56099T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP85307367A EP0218765B1 (de) 1985-10-14 1985-10-14 Detektor- und Alarmanlage

Publications (1)

Publication Number Publication Date
ATE56099T1 true ATE56099T1 (de) 1990-09-15

Family

ID=8194398

Family Applications (1)

Application Number Title Priority Date Filing Date
AT85307367T ATE56099T1 (de) 1985-10-14 1985-10-14 Detektor- und alarmanlage.

Country Status (3)

Country Link
EP (1) EP0218765B1 (de)
AT (1) ATE56099T1 (de)
DE (1) DE3579461D1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO904323L (no) * 1990-10-04 1992-04-06 Nordic Technology As Hustyverialarm.
WO2023235220A2 (en) * 2022-06-02 2023-12-07 Ademco Inc. Pressure data for security and hazards

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1088157A (fr) * 1953-02-03 1955-03-03 Perfectionnements apportés aux microphones électrostatiques
US4415979A (en) * 1981-03-25 1983-11-15 Ensco, Inc. Method and apparatus for detecting the presence of an animate body in an inanimate mobile structure
US4442514A (en) * 1981-11-17 1984-04-10 The United States Of America As Represented By The Secretary Of The Air Force Security system signal processor
FR2523339A1 (fr) * 1982-03-12 1983-09-16 Guglielmetti Vg Electro Dispositif de detection a capteur volumetrique a infra-sons et procede de detection par infra-sons
FR2560701B1 (fr) * 1984-03-05 1987-04-17 Sogesec Sarl Detecteur d'acces a pression differentielle
DE3412914A1 (de) * 1984-04-05 1985-10-31 base electronic gmbH, 2000 Hamburg Verfahren und vorrichtung zur sicherung von geschlossenen raeumen

Also Published As

Publication number Publication date
EP0218765A1 (de) 1987-04-22
EP0218765B1 (de) 1990-08-29
DE3579461D1 (de) 1990-10-04

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