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GB1465154A - Alarm apparatus - Google Patents

Alarm apparatus

Info

Publication number
GB1465154A
GB1465154A GB2433174A GB2433174A GB1465154A GB 1465154 A GB1465154 A GB 1465154A GB 2433174 A GB2433174 A GB 2433174A GB 2433174 A GB2433174 A GB 2433174A GB 1465154 A GB1465154 A GB 1465154A
Authority
GB
United Kingdom
Prior art keywords
housing
microswitch
face
theft
alarm apparatus
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
Application number
GB2433174A
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.)
SENTAL AUDIO SYSTEMS Ltd
Original Assignee
SENTAL AUDIO SYSTEMS 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 SENTAL AUDIO SYSTEMS Ltd filed Critical SENTAL AUDIO SYSTEMS Ltd
Priority to GB2433174A priority Critical patent/GB1465154A/en
Publication of GB1465154A publication Critical patent/GB1465154A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/02—Mechanical actuation
    • G08B13/14—Mechanical actuation by lifting or attempted removal of hand-portable articles
    • G08B13/1472—Mechanical actuation by lifting or attempted removal of hand-portable articles with force or weight detection

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)

Abstract

1465154 Anti-theft alarms SENTAL AUDIO SYSTEMS Ltd 29 May 1975 [31 May 1974] 24331/74 Heading G4N An anti-theft alarm device comprises a housing 10 having one face 11 coated with adhesive material so that it can be attached to an object to be protected and containing a micro-switch arranged to change condition on detachment of the housing from the object, and means 12, 13 for connecting the microswitch to an alarm system. As shown, one arm of the microswitch has a projection 14 which extends through an aperture in the face 11 so that the switch opens when the housing is detached from the object.
GB2433174A 1975-05-29 1975-05-29 Alarm apparatus Expired GB1465154A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2433174A GB1465154A (en) 1975-05-29 1975-05-29 Alarm apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2433174A GB1465154A (en) 1975-05-29 1975-05-29 Alarm apparatus

Publications (1)

Publication Number Publication Date
GB1465154A true GB1465154A (en) 1977-02-23

Family

ID=10210034

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2433174A Expired GB1465154A (en) 1975-05-29 1975-05-29 Alarm apparatus

Country Status (1)

Country Link
GB (1) GB1465154A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2548374A1 (en) * 1983-06-20 1985-01-04 Maillot Jacques Device for detecting the displacement of a component and case comprising such a device
GB2158979A (en) * 1984-03-21 1985-11-20 Andrew John George Alarm equipment
GB2197516A (en) * 1986-11-15 1988-05-18 John Bryan Clough Security device
GB2204977A (en) * 1987-03-12 1988-11-23 Philip John Coaker Boat anti-theft alarm steering restraint
DE9201087U1 (en) * 1992-01-30 1992-06-17 Zander, Hans, 33442 Herzebrock-Clarholz Power supply unit for a video camera or similar.
GB2287338A (en) * 1994-03-08 1995-09-13 David Jeremy Quintana Security alarm
GB2316212A (en) * 1996-08-05 1998-02-18 Dashcrown Limited Security device for computer hardware

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2548374A1 (en) * 1983-06-20 1985-01-04 Maillot Jacques Device for detecting the displacement of a component and case comprising such a device
GB2158979A (en) * 1984-03-21 1985-11-20 Andrew John George Alarm equipment
GB2197516A (en) * 1986-11-15 1988-05-18 John Bryan Clough Security device
GB2197516B (en) * 1986-11-15 1990-10-03 John Bryan Clough Security device
GB2204977A (en) * 1987-03-12 1988-11-23 Philip John Coaker Boat anti-theft alarm steering restraint
GB2204977B (en) * 1987-03-12 1990-10-17 Philip John Coaker Boat anti-theft alarm steering restraint
DE9201087U1 (en) * 1992-01-30 1992-06-17 Zander, Hans, 33442 Herzebrock-Clarholz Power supply unit for a video camera or similar.
GB2287338A (en) * 1994-03-08 1995-09-13 David Jeremy Quintana Security alarm
GB2316212A (en) * 1996-08-05 1998-02-18 Dashcrown Limited Security device for computer hardware

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Legal Events

Date Code Title Description
PS Patent sealed
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee