GB8905013D0 - Improvements relating to vibration sensors - Google Patents

Improvements relating to vibration sensors

Info

Publication number
GB8905013D0
GB8905013D0 GB898905013A GB8905013A GB8905013D0 GB 8905013 D0 GB8905013 D0 GB 8905013D0 GB 898905013 A GB898905013 A GB 898905013A GB 8905013 A GB8905013 A GB 8905013A GB 8905013 D0 GB8905013 D0 GB 8905013D0
Authority
GB
United Kingdom
Prior art keywords
vibration sensors
improvements relating
relating
vibration
sensors
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.)
Pending
Application number
GB898905013A
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.)
Weyrad Electronics Ltd
Original Assignee
Weyrad Electronics 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 Weyrad Electronics Ltd filed Critical Weyrad Electronics Ltd
Priority to GB898905013A priority Critical patent/GB8905013D0/en
Publication of GB8905013D0 publication Critical patent/GB8905013D0/en
Priority to GB9004569A priority patent/GB2231430B/en
Pending legal-status Critical Current

Links

GB898905013A 1989-03-04 1989-03-04 Improvements relating to vibration sensors Pending GB8905013D0 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB898905013A GB8905013D0 (en) 1989-03-04 1989-03-04 Improvements relating to vibration sensors
GB9004569A GB2231430B (en) 1989-03-04 1990-03-01 Improvements relating to security sensors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB898905013A GB8905013D0 (en) 1989-03-04 1989-03-04 Improvements relating to vibration sensors

Publications (1)

Publication Number Publication Date
GB8905013D0 true GB8905013D0 (en) 1989-04-19

Family

ID=10652771

Family Applications (2)

Application Number Title Priority Date Filing Date
GB898905013A Pending GB8905013D0 (en) 1989-03-04 1989-03-04 Improvements relating to vibration sensors
GB9004569A Expired - Lifetime GB2231430B (en) 1989-03-04 1990-03-01 Improvements relating to security sensors

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB9004569A Expired - Lifetime GB2231430B (en) 1989-03-04 1990-03-01 Improvements relating to security sensors

Country Status (1)

Country Link
GB (2) GB8905013D0 (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3706090A (en) * 1970-10-12 1972-12-12 James I Callaghan Burglar alarm triggered by breaking of a magnetic circuit
US4559528A (en) * 1983-07-14 1985-12-17 Don E. Berger Ornamental vibration sensor device for burglar alarm system

Also Published As

Publication number Publication date
GB9004569D0 (en) 1990-04-25
GB2231430B (en) 1992-05-20
GB2231430A (en) 1990-11-14

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