BE479091A - - Google Patents

Info

Publication number
BE479091A
BE479091A BE479091DA BE479091A BE 479091 A BE479091 A BE 479091A BE 479091D A BE479091D A BE 479091DA BE 479091 A BE479091 A BE 479091A
Authority
BE
Belgium
Prior art keywords
receiver
relay
radiation
desc
necessary
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE479091A publication Critical patent/BE479091A/fr

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
    • G08B13/24—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)
BE479091D BE479091A (nl)

Publications (1)

Publication Number Publication Date
BE479091A true BE479091A (nl)

Family

ID=126677

Family Applications (1)

Application Number Title Priority Date Filing Date
BE479091D BE479091A (nl)

Country Status (1)

Country Link
BE (1) BE479091A (nl)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995021430A1 (en) * 1994-02-07 1995-08-10 Aritech B.V. A security system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995021430A1 (en) * 1994-02-07 1995-08-10 Aritech B.V. A security system
NL9400188A (nl) * 1994-02-07 1995-09-01 Aritech Bv Bewakingssysteem.

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