GB2139790B - Access alarm - Google Patents

Access alarm

Info

Publication number
GB2139790B
GB2139790B GB08313006A GB8313006A GB2139790B GB 2139790 B GB2139790 B GB 2139790B GB 08313006 A GB08313006 A GB 08313006A GB 8313006 A GB8313006 A GB 8313006A GB 2139790 B GB2139790 B GB 2139790B
Authority
GB
United Kingdom
Prior art keywords
access alarm
alarm
access
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
GB08313006A
Other versions
GB2139790A (en
Inventor
Peter John Linwood
Sydney Edward Wright
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB08313006A priority Critical patent/GB2139790B/en
Publication of GB2139790A publication Critical patent/GB2139790A/en
Application granted granted Critical
Publication of GB2139790B publication Critical patent/GB2139790B/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00Burglar, theft or intruder alarms
    • G08B13/02Mechanical actuation
    • G08B13/08Mechanical actuation by opening, e.g. of door, of window, of drawer, of shutter, of curtain, of blind
GB08313006A 1983-05-11 1983-05-11 Access alarm Expired GB2139790B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08313006A GB2139790B (en) 1983-05-11 1983-05-11 Access alarm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08313006A GB2139790B (en) 1983-05-11 1983-05-11 Access alarm

Publications (2)

Publication Number Publication Date
GB2139790A GB2139790A (en) 1984-11-14
GB2139790B true GB2139790B (en) 1986-02-12

Family

ID=10542568

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08313006A Expired GB2139790B (en) 1983-05-11 1983-05-11 Access alarm

Country Status (1)

Country Link
GB (1) GB2139790B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202016106459U1 (en) * 2016-11-17 2018-02-22 Reamotion Industries e.K. Bar or rail device and roller shutter box

Also Published As

Publication number Publication date
GB2139790A (en) 1984-11-14

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee