GB2306650B - Glass breakage detector - Google Patents

Glass breakage detector

Info

Publication number
GB2306650B
GB2306650B GB9700290A GB9700290A GB2306650B GB 2306650 B GB2306650 B GB 2306650B GB 9700290 A GB9700290 A GB 9700290A GB 9700290 A GB9700290 A GB 9700290A GB 2306650 B GB2306650 B GB 2306650B
Authority
GB
United Kingdom
Prior art keywords
glass breakage
breakage detector
detector
glass
breakage
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 - Lifetime
Application number
GB9700290A
Other versions
GB2306650A (en
GB9700290D0 (en
Inventor
Boris Zhevelev
Mark Modavsky
Nahum Tchernihovsky
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.)
Visonic Ltd
Original Assignee
Visonic 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
Priority claimed from IL10783493A external-priority patent/IL107834A/en
Application filed by Visonic Ltd filed Critical Visonic Ltd
Publication of GB9700290D0 publication Critical patent/GB9700290D0/en
Publication of GB2306650A publication Critical patent/GB2306650A/en
Application granted granted Critical
Publication of GB2306650B publication Critical patent/GB2306650B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G08B13/04—Mechanical actuation by breaking of glass
    • 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
    • G08B13/1672—Actuation by interference with mechanical vibrations in air or other fluid using passive vibration detection systems using sonic detecting means, e.g. a microphone operating in the audio frequency range

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Burglar Alarm Systems (AREA)
GB9700290A 1993-12-01 1994-12-01 Glass breakage detector Expired - Lifetime GB2306650B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IL10783493A IL107834A (en) 1993-12-01 1993-12-01 Glass breakage detector
GB9424304A GB2284668B (en) 1993-12-01 1994-12-01 Glass breakage detector

Publications (3)

Publication Number Publication Date
GB9700290D0 GB9700290D0 (en) 1997-02-26
GB2306650A GB2306650A (en) 1997-05-07
GB2306650B true GB2306650B (en) 1998-04-01

Family

ID=26306079

Family Applications (2)

Application Number Title Priority Date Filing Date
GB9700289A Expired - Lifetime GB2306649B (en) 1993-12-01 1994-12-01 Glass breakage detector
GB9700290A Expired - Lifetime GB2306650B (en) 1993-12-01 1994-12-01 Glass breakage detector

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB9700289A Expired - Lifetime GB2306649B (en) 1993-12-01 1994-12-01 Glass breakage detector

Country Status (1)

Country Link
GB (2) GB2306649B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9188487B2 (en) 2011-11-16 2015-11-17 Tyco Fire & Security Gmbh Motion detection systems and methodologies

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09297892A (en) * 1996-03-08 1997-11-18 Denso Corp Glass cracking detector
GB2434876B (en) * 2006-02-01 2010-10-27 Thales Holdings Uk Plc Audio signal discriminator
WO2011006210A1 (en) * 2009-07-17 2011-01-20 Future Fibre Technologies Pty Ltd Intrusion detection

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL110163A0 (en) * 1993-06-30 1994-10-07 Sentrol Inc Glass break detector having reduced susceptibility to false alarms

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9188487B2 (en) 2011-11-16 2015-11-17 Tyco Fire & Security Gmbh Motion detection systems and methodologies

Also Published As

Publication number Publication date
GB9700289D0 (en) 1997-02-26
GB2306650A (en) 1997-05-07
GB2306649B (en) 1998-04-01
GB9700290D0 (en) 1997-02-26
GB2306649A (en) 1997-05-07

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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)

Free format text: REGISTERED BETWEEN 20140515 AND 20140521

PE20 Patent expired after termination of 20 years

Expiry date: 20141130