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GB2050025B - Intrusion detector system - Google Patents

Intrusion detector system

Info

Publication number
GB2050025B
GB2050025B GB8013380A GB8013380A GB2050025B GB 2050025 B GB2050025 B GB 2050025B GB 8013380 A GB8013380 A GB 8013380A GB 8013380 A GB8013380 A GB 8013380A GB 2050025 B GB2050025 B GB 2050025B
Authority
GB
United Kingdom
Prior art keywords
detector system
intrusion detector
intrusion
detector
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
GB8013380A
Other versions
GB2050025A (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.)
Shorrock Developments Ltd
Original Assignee
Shorrock Developments 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 Shorrock Developments Ltd filed Critical Shorrock Developments Ltd
Priority to GB8013380A priority Critical patent/GB2050025B/en
Publication of GB2050025A publication Critical patent/GB2050025A/en
Application granted granted Critical
Publication of GB2050025B publication Critical patent/GB2050025B/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
    • G08B13/22—Electrical actuation
    • G08B13/26—Electrical actuation by proximity of an intruder causing variation in capacitance or inductance of a circuit

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)
GB8013380A 1979-05-09 1980-04-23 Intrusion detector system Expired GB2050025B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8013380A GB2050025B (en) 1979-05-09 1980-04-23 Intrusion detector system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB7916104 1979-05-09
GB8013380A GB2050025B (en) 1979-05-09 1980-04-23 Intrusion detector system

Publications (2)

Publication Number Publication Date
GB2050025A GB2050025A (en) 1980-12-31
GB2050025B true GB2050025B (en) 1982-12-22

Family

ID=26271448

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8013380A Expired GB2050025B (en) 1979-05-09 1980-04-23 Intrusion detector system

Country Status (1)

Country Link
GB (1) GB2050025B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL65906A (en) * 1982-05-27 1990-03-19 Spectronix Ltd Apparatus for detection and destruction of incoming objects
GB2137789A (en) * 1983-03-30 1984-10-10 Terrance Michael Hayes Intrusion detector installation
US4765244A (en) * 1983-04-15 1988-08-23 Spectronix Ltd. Apparatus for the detection and destruction of incoming objects
DE102005038602B4 (en) * 2005-08-16 2019-05-09 Robert Bosch Gmbh safety device

Also Published As

Publication number Publication date
GB2050025A (en) 1980-12-31

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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)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19960423