IE67629B1 - Alarm assembly - Google Patents

Alarm assembly

Info

Publication number
IE67629B1
IE67629B1 IE921904A IE921904A IE67629B1 IE 67629 B1 IE67629 B1 IE 67629B1 IE 921904 A IE921904 A IE 921904A IE 921904 A IE921904 A IE 921904A IE 67629 B1 IE67629 B1 IE 67629B1
Authority
IE
Ireland
Prior art keywords
members
disturbed
relative movement
cavity
housing
Prior art date
Application number
IE921904A
Other languages
English (en)
Other versions
IE921904A1 (en
Inventor
John Dennis Macey
Christopher Russell Johnson
Original Assignee
Cqr Security Components 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 Cqr Security Components Ltd filed Critical Cqr Security Components Ltd
Publication of IE921904A1 publication Critical patent/IE921904A1/en
Publication of IE67629B1 publication Critical patent/IE67629B1/en

Links

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/02Monitoring continuously signalling or alarm systems
    • G08B29/10Monitoring of the annunciator circuits
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00Switches operated by change of a physical condition
    • H01H35/14Switches operated by change of acceleration, e.g. by shock or vibration, inertia switch
    • H01H35/147Switches operated by change of acceleration, e.g. by shock or vibration, inertia switch the switch being of the reed switch type

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)
IE921904A 1991-06-14 1992-07-01 Alarm assembly IE67629B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB919112878A GB9112878D0 (en) 1991-06-14 1991-06-14 Alarm assembly

Publications (2)

Publication Number Publication Date
IE921904A1 IE921904A1 (en) 1992-12-16
IE67629B1 true IE67629B1 (en) 1996-04-17

Family

ID=10696699

Family Applications (1)

Application Number Title Priority Date Filing Date
IE921904A IE67629B1 (en) 1991-06-14 1992-07-01 Alarm assembly

Country Status (3)

Country Link
EP (1) EP0518685A3 (fr)
GB (2) GB9112878D0 (fr)
IE (1) IE67629B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2366080A (en) * 2000-08-09 2002-02-27 Herga Electric Switch assembly
CH699852B1 (it) * 2008-11-12 2013-09-13 Flii Albertolli Sa Dispositivo anti-intrusione per recinzioni.

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB688402A (en) * 1950-06-30 1953-03-04 Trist & Co Ltd Ronald Improvements relating to magnetic devices
GB741484A (en) * 1953-01-29 1955-12-07 John Kenrick Haynes Improvements in or relating to gas flow responsive electric switch devices
FR1410249A (fr) * 1963-06-18 1965-09-10 Garde-temps électrique, à pendule ou à oscillateur tourant, en particulier montre pour automobile
GB1010862A (en) * 1963-07-31 1965-11-24 Ass Elect Ind Improvements relating to electric switching devices responsive to abnormal level or flow conditions in a container
US3721956A (en) * 1971-02-08 1973-03-20 V Hamann Theft alarm operable by vibration
US4012611A (en) * 1975-03-03 1977-03-15 Cega, Inc. Inertia switch for anti-intrusion sensing systems
US4247847A (en) * 1978-08-16 1981-01-27 Sprague Electric Company Vibration-detecting intrusion alarm
US4227188A (en) * 1978-09-25 1980-10-07 Petersen Christian C Intrusion alarm control system
US4282518A (en) * 1979-07-09 1981-08-04 Bonner Edgar L Vibration responsive door alarm
NL8100236A (nl) * 1980-05-02 1981-12-01 Beta Bv Door een mediumstroom bediende schakelinrichting.
CA1167132A (fr) * 1980-10-16 1984-05-08 Aaron V. Farr Detecteur de vitesse de descente
US4381504A (en) * 1981-01-30 1983-04-26 Fifth Dimension Inc. Switch and alarm system responsive to sudden movement, angular tilt and vibration
US4385288A (en) * 1981-05-04 1983-05-24 Fifth Dimension, Inc. Motion responsive alarm system
DE3338287C1 (de) * 1983-10-21 1985-05-02 W. Günther GmbH, 8500 Nürnberg Beschleunigungs- und Verzoegerungs-Sensor
US4575713A (en) * 1984-04-23 1986-03-11 Piper Bert W Disturbance alarm
DE8627987U1 (de) * 1986-10-21 1986-12-04 Sonax-Alarmanlagen GmbH & Co KG, 49477 Ibbenbüren Schutzgehäuse für einen akustischen Signalgeber
US4945347A (en) * 1988-03-17 1990-07-31 Perry John C Motion and orientation responsive device for seismic, intrusion, and tilt alarms and the like
DE8806240U1 (de) * 1988-05-11 1988-08-18 W. Günther GmbH, 8500 Nürnberg Beschleunigungs- oder Verzögerungs-Sensor
GB2225470A (en) * 1988-10-14 1990-05-30 Grant Design Limited Alarm tamper detection device

Also Published As

Publication number Publication date
GB9112878D0 (en) 1991-07-31
GB9212440D0 (en) 1992-07-22
GB2258934B (en) 1995-05-10
IE921904A1 (en) 1992-12-16
EP0518685A2 (fr) 1992-12-16
EP0518685A3 (en) 1993-05-12
GB2258934A (en) 1993-02-24

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Legal Events

Date Code Title Description
MM4A Patent lapsed