BE772278A - Systemes detecteurs d'intrusions - Google Patents

Systemes detecteurs d'intrusions

Info

Publication number
BE772278A
BE772278A BE772278A BE772278A BE772278A BE 772278 A BE772278 A BE 772278A BE 772278 A BE772278 A BE 772278A BE 772278 A BE772278 A BE 772278A BE 772278 A BE772278 A BE 772278A
Authority
BE
Belgium
Prior art keywords
intrusion detector
detector systems
intrusion
systems
detector
Prior art date
Application number
BE772278A
Other languages
English (en)
Inventor
J Kahnke
Original Assignee
Honeywell Inc
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 Honeywell Inc filed Critical Honeywell Inc
Publication of BE772278A publication Critical patent/BE772278A/fr

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P3/00—Waveguides; Transmission lines of the waveguide type
    • H01P3/10—Wire waveguides, i.e. with a single solid longitudinal conductor
    • 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
    • G08B13/2497—Intrusion detection systems, i.e. where the body of an intruder causes the interference with the electromagnetic field using transmission lines, e.g. cable

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)
BE772278A 1970-09-24 1971-09-07 Systemes detecteurs d'intrusions BE772278A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US7518470A 1970-09-24 1970-09-24

Publications (1)

Publication Number Publication Date
BE772278A true BE772278A (fr) 1972-01-17

Family

ID=22124105

Family Applications (1)

Application Number Title Priority Date Filing Date
BE772278A BE772278A (fr) 1970-09-24 1971-09-07 Systemes detecteurs d'intrusions

Country Status (5)

Country Link
BE (1) BE772278A (fr)
CH (1) CH525525A (fr)
DE (1) DE2146984A1 (fr)
FR (1) FR2107921A1 (fr)
NL (1) NL7113187A (fr)

Also Published As

Publication number Publication date
FR2107921A1 (fr) 1972-05-12
NL7113187A (fr) 1972-03-28
CH525525A (de) 1972-07-15
DE2146984A1 (de) 1972-03-30

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