EP0281033A3 - Bruchsensor - Google Patents

Bruchsensor Download PDF

Info

Publication number
EP0281033A3
EP0281033A3 EP88102903A EP88102903A EP0281033A3 EP 0281033 A3 EP0281033 A3 EP 0281033A3 EP 88102903 A EP88102903 A EP 88102903A EP 88102903 A EP88102903 A EP 88102903A EP 0281033 A3 EP0281033 A3 EP 0281033A3
Authority
EP
European Patent Office
Prior art keywords
circuit
break sensor
sensor
alarm
coupler
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.)
Withdrawn
Application number
EP88102903A
Other languages
English (en)
French (fr)
Other versions
EP0281033A2 (de
Inventor
Michele Campo
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0281033A2 publication Critical patent/EP0281033A2/de
Publication of EP0281033A3 publication Critical patent/EP0281033A3/de
Withdrawn legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00Burglar, theft or intruder alarms
    • G08B13/18Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/181Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems
    • G08B13/187Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems by interference of a radiation field

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Optical Transform (AREA)
EP88102903A 1987-03-02 1988-02-26 Bruchsensor Withdrawn EP0281033A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT19548/87A IT1203356B (it) 1987-03-02 1987-03-02 Sensore antiscasso
IT1954887 1987-03-02

Publications (2)

Publication Number Publication Date
EP0281033A2 EP0281033A2 (de) 1988-09-07
EP0281033A3 true EP0281033A3 (de) 1990-05-30

Family

ID=11158948

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88102903A Withdrawn EP0281033A3 (de) 1987-03-02 1988-02-26 Bruchsensor

Country Status (2)

Country Link
EP (1) EP0281033A3 (de)
IT (1) IT1203356B (de)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4010458A (en) * 1974-07-15 1977-03-01 Cerberus Ag Light gate system
DE2538242A1 (de) * 1975-08-28 1977-03-10 Rohue Rolladen Huebler Kg Anordnung zum sichern von durch rolladen uebergriffenen hausoeffnungen
FR2418504A1 (fr) * 1978-02-24 1979-09-21 Alsthom Cgee Panneau de fermeture mobile avec detecteur d'effraction
FR2504709A1 (fr) * 1981-04-28 1982-10-29 Alsthom Cgee Procede et dispositif detecteur de presence

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4010458A (en) * 1974-07-15 1977-03-01 Cerberus Ag Light gate system
DE2538242A1 (de) * 1975-08-28 1977-03-10 Rohue Rolladen Huebler Kg Anordnung zum sichern von durch rolladen uebergriffenen hausoeffnungen
FR2418504A1 (fr) * 1978-02-24 1979-09-21 Alsthom Cgee Panneau de fermeture mobile avec detecteur d'effraction
FR2504709A1 (fr) * 1981-04-28 1982-10-29 Alsthom Cgee Procede et dispositif detecteur de presence

Also Published As

Publication number Publication date
IT8719548A0 (it) 1987-03-02
IT1203356B (it) 1989-02-15
EP0281033A2 (de) 1988-09-07

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