CA1106464A - Alarme anti-effraction tetrafilaire a plusieurs satellites et anonciation multiplexee - Google Patents

Alarme anti-effraction tetrafilaire a plusieurs satellites et anonciation multiplexee

Info

Publication number
CA1106464A
CA1106464A CA301,269A CA301269A CA1106464A CA 1106464 A CA1106464 A CA 1106464A CA 301269 A CA301269 A CA 301269A CA 1106464 A CA1106464 A CA 1106464A
Authority
CA
Canada
Prior art keywords
satellite
master
signal
alarm
signal terminal
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
CA301,269A
Other languages
English (en)
Inventor
Peter E. Humphries
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.)
Contronic Controls Ltd
Original Assignee
Contronic Controls 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 Contronic Controls Ltd filed Critical Contronic Controls Ltd
Priority to CA301,269A priority Critical patent/CA1106464A/fr
Priority to GB7913061A priority patent/GB2019072B/en
Priority to AU46059/79A priority patent/AU4605979A/en
Priority to DE19792914910 priority patent/DE2914910A1/de
Application granted granted Critical
Publication of CA1106464A publication Critical patent/CA1106464A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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
    • G08B13/1609—Actuation by interference with mechanical vibrations in air or other fluid using active vibration detection systems
    • G08B13/1618—Actuation by interference with mechanical vibrations in air or other fluid using active vibration detection systems using ultrasonic detection means
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation
    • G08B13/24—Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2491—Intrusion detection systems, i.e. where the body of an intruder causes the interference with the electromagnetic field
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Burglar Alarm Systems (AREA)
CA301,269A 1978-04-17 1978-04-17 Alarme anti-effraction tetrafilaire a plusieurs satellites et anonciation multiplexee Expired CA1106464A (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CA301,269A CA1106464A (fr) 1978-04-17 1978-04-17 Alarme anti-effraction tetrafilaire a plusieurs satellites et anonciation multiplexee
GB7913061A GB2019072B (en) 1978-04-17 1979-04-12 Alarm systems
AU46059/79A AU4605979A (en) 1978-04-17 1979-04-12 Four wire multi-satellite intrusion alarm with multiplex annunciation
DE19792914910 DE2914910A1 (de) 1978-04-17 1979-04-12 Alarmanlage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA301,269A CA1106464A (fr) 1978-04-17 1978-04-17 Alarme anti-effraction tetrafilaire a plusieurs satellites et anonciation multiplexee

Publications (1)

Publication Number Publication Date
CA1106464A true CA1106464A (fr) 1981-08-04

Family

ID=4111259

Family Applications (1)

Application Number Title Priority Date Filing Date
CA301,269A Expired CA1106464A (fr) 1978-04-17 1978-04-17 Alarme anti-effraction tetrafilaire a plusieurs satellites et anonciation multiplexee

Country Status (4)

Country Link
AU (1) AU4605979A (fr)
CA (1) CA1106464A (fr)
DE (1) DE2914910A1 (fr)
GB (1) GB2019072B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2173618B (en) * 1985-04-12 1988-09-14 Emi Ltd Alarm monitoring installation
DE60210738T2 (de) 2002-01-16 2007-04-12 Leeds Electronic Eng. Ltd. Diebstahlschutzalarm mit reduzierter Verdrahtung

Also Published As

Publication number Publication date
GB2019072A (en) 1979-10-24
AU4605979A (en) 1979-10-25
DE2914910A1 (de) 1979-10-25
GB2019072B (en) 1982-04-28

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Legal Events

Date Code Title Description
MKEX Expiry