GB2258934B - Alarm assembly - Google Patents

Alarm assembly

Info

Publication number
GB2258934B
GB2258934B GB9212440A GB9212440A GB2258934B GB 2258934 B GB2258934 B GB 2258934B GB 9212440 A GB9212440 A GB 9212440A GB 9212440 A GB9212440 A GB 9212440A GB 2258934 B GB2258934 B GB 2258934B
Authority
GB
United Kingdom
Prior art keywords
alarm assembly
alarm
assembly
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 - Fee Related
Application number
GB9212440A
Other versions
GB2258934A (en
GB9212440D0 (en
Inventor
John Dennis Macey
Christopher Russell Johnson
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.)
CQR SECURITY COMPONENTS Ltd
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 GB9212440D0 publication Critical patent/GB9212440D0/en
Publication of GB2258934A publication Critical patent/GB2258934A/en
Application granted granted Critical
Publication of GB2258934B publication Critical patent/GB2258934B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G08B29/02—Monitoring continuously signalling or alarm systems
    • G08B29/10—Monitoring of the annunciator circuits
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00—Switches operated by change of a physical condition
    • H01H35/14—Switches operated by change of acceleration, e.g. by shock or vibration, inertia switch
    • H01H35/147—Switches 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)
GB9212440A 1991-06-14 1992-06-11 Alarm assembly Expired - Fee Related GB2258934B (en)

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
GB9212440D0 GB9212440D0 (en) 1992-07-22
GB2258934A GB2258934A (en) 1993-02-24
GB2258934B true GB2258934B (en) 1995-05-10

Family

ID=10696699

Family Applications (2)

Application Number Title Priority Date Filing Date
GB919112878A Pending GB9112878D0 (en) 1991-06-14 1991-06-14 Alarm assembly
GB9212440A Expired - Fee Related GB2258934B (en) 1991-06-14 1992-06-11 Alarm assembly

Family Applications Before (1)

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

Country Status (3)

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

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 (en) * 2008-11-12 2013-09-13 Flii Albertolli Sa Anti-intrusion device for fences.

Citations (16)

* 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
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
GB1074595A (en) * 1963-06-18 1967-07-05 Reich Robert W Improvements in an electric timepiece
US3721956A (en) * 1971-02-08 1973-03-20 V Hamann Theft alarm operable by vibration
US4227188A (en) * 1978-09-25 1980-10-07 Petersen Christian C Intrusion alarm control system
US4247847A (en) * 1978-08-16 1981-01-27 Sprague Electric Company Vibration-detecting intrusion alarm
US4282518A (en) * 1979-07-09 1981-08-04 Bonner Edgar L Vibration responsive door alarm
GB2076591A (en) * 1980-05-02 1981-12-02 Beta Bv Flow Actuated Switching Devices
EP0050400A2 (en) * 1980-10-16 1982-04-28 Abex Corporation Vertical descent rate detector switch
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
US4575713A (en) * 1984-04-23 1986-03-11 Piper Bert W Disturbance alarm
US4639563A (en) * 1983-10-21 1987-01-27 W. Gunther Gmbh Acceleration and deceleration sensor
GB2225470A (en) * 1988-10-14 1990-05-30 Grant Design Limited Alarm tamper detection device
US4965416A (en) * 1988-05-11 1990-10-23 W. Gunther Gmbh Acceleration and deceleration sensor

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4012611A (en) * 1975-03-03 1977-03-15 Cega, Inc. Inertia switch for anti-intrusion sensing systems
DE8627987U1 (en) * 1986-10-21 1986-12-04 Sonax-Alarmanlagen GmbH & Co KG, 49477 Ibbenbüren Protective housing for an acoustic signal generator
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

Patent Citations (16)

* 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
GB1074595A (en) * 1963-06-18 1967-07-05 Reich Robert W Improvements in an electric timepiece
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
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
GB2076591A (en) * 1980-05-02 1981-12-02 Beta Bv Flow Actuated Switching Devices
EP0050400A2 (en) * 1980-10-16 1982-04-28 Abex Corporation Vertical descent rate detector switch
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
US4639563A (en) * 1983-10-21 1987-01-27 W. Gunther Gmbh Acceleration and deceleration sensor
US4575713A (en) * 1984-04-23 1986-03-11 Piper Bert W Disturbance alarm
US4965416A (en) * 1988-05-11 1990-10-23 W. Gunther Gmbh Acceleration and deceleration sensor
GB2225470A (en) * 1988-10-14 1990-05-30 Grant Design Limited Alarm tamper detection device

Also Published As

Publication number Publication date
IE921904A1 (en) 1992-12-16
GB2258934A (en) 1993-02-24
IE67629B1 (en) 1996-04-17
GB9212440D0 (en) 1992-07-22
GB9112878D0 (en) 1991-07-31
EP0518685A3 (en) 1993-05-12
EP0518685A2 (en) 1992-12-16

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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)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20030611