CH525525A - Burglar alarm system - Google Patents

Burglar alarm system

Info

Publication number
CH525525A
CH525525A CH1380171A CH1380171A CH525525A CH 525525 A CH525525 A CH 525525A CH 1380171 A CH1380171 A CH 1380171A CH 1380171 A CH1380171 A CH 1380171A CH 525525 A CH525525 A CH 525525A
Authority
CH
Switzerland
Prior art keywords
alarm system
burglar alarm
burglar
alarm
Prior art date
Application number
CH1380171A
Other languages
German (de)
Inventor
Kahnke Joseph
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 CH525525A publication Critical patent/CH525525A/en

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 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
    • 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)
CH1380171A 1970-09-24 1971-09-21 Burglar alarm system CH525525A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CH525525A true CH525525A (en) 1972-07-15

Family

ID=22124105

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1380171A CH525525A (en) 1970-09-24 1971-09-21 Burglar alarm system

Country Status (5)

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

Also Published As

Publication number Publication date
BE772278A (en) 1972-01-17
DE2146984A1 (en) 1972-03-30
FR2107921A1 (en) 1972-05-12
NL7113187A (en) 1972-03-28

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Legal Events

Date Code Title Description
PL Patent ceased