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GB2033636B - Intruder alarms - Google Patents

Intruder alarms

Info

Publication number
GB2033636B
GB2033636B GB7927610A GB7927610A GB2033636B GB 2033636 B GB2033636 B GB 2033636B GB 7927610 A GB7927610 A GB 7927610A GB 7927610 A GB7927610 A GB 7927610A GB 2033636 B GB2033636 B GB 2033636B
Authority
GB
United Kingdom
Prior art keywords
intruder alarms
intruder
alarms
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
GB7927610A
Other versions
GB2033636A (en
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.)
INTERNATIONAL QUARTZ Ltd
Original Assignee
INTERNATIONAL QUARTZ 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 INTERNATIONAL QUARTZ Ltd filed Critical INTERNATIONAL QUARTZ Ltd
Priority to GB7927610A priority Critical patent/GB2033636B/en
Publication of GB2033636A publication Critical patent/GB2033636A/en
Application granted granted Critical
Publication of GB2033636B publication Critical patent/GB2033636B/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
    • G08B13/08—Mechanical actuation by opening, e.g. of door, of window, of drawer, of shutter, of curtain, of blind

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)
GB7927610A 1978-08-16 1979-08-08 Intruder alarms Expired GB2033636B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7927610A GB2033636B (en) 1978-08-16 1979-08-08 Intruder alarms

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB7833543 1978-08-16
GB7927610A GB2033636B (en) 1978-08-16 1979-08-08 Intruder alarms

Publications (2)

Publication Number Publication Date
GB2033636A GB2033636A (en) 1980-05-21
GB2033636B true GB2033636B (en) 1983-03-23

Family

ID=26268559

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7927610A Expired GB2033636B (en) 1978-08-16 1979-08-08 Intruder alarms

Country Status (1)

Country Link
GB (1) GB2033636B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2522854A1 (en) * 1982-03-04 1983-09-09 Blanchet Pierre Microprocessor controlled intrusion alarm for door - operates alarm if correct code is not entered on keyboard
GB2141567A (en) * 1983-06-15 1984-12-19 Arjang Agahi Anti-hijack devices

Also Published As

Publication number Publication date
GB2033636A (en) 1980-05-21

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Legal Events

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