BE718961A - - Google Patents

Info

Publication number
BE718961A
BE718961A BE718961DA BE718961A BE 718961 A BE718961 A BE 718961A BE 718961D A BE718961D A BE 718961DA BE 718961 A BE718961 A BE 718961A
Authority
BE
Belgium
Prior art keywords
signal
converter
coupled
alarm
receiver
Prior art date
Application number
Other languages
English (en)
French (fr)
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 filed Critical
Publication of BE718961A publication Critical patent/BE718961A/fr

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
    • G08B13/22—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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)
BE718961D 1968-08-02 1968-08-02 BE718961A (mo)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE718961 1968-08-02

Publications (1)

Publication Number Publication Date
BE718961A true BE718961A (mo) 1969-01-16

Family

ID=3853339

Family Applications (1)

Application Number Title Priority Date Filing Date
BE718961D BE718961A (mo) 1968-08-02 1968-08-02

Country Status (1)

Country Link
BE (1) BE718961A (mo)

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