IT8719548A0 - ANTI-BURGLAR SENSOR. - Google Patents

ANTI-BURGLAR SENSOR.

Info

Publication number
IT8719548A0
IT8719548A0 IT8719548A IT1954887A IT8719548A0 IT 8719548 A0 IT8719548 A0 IT 8719548A0 IT 8719548 A IT8719548 A IT 8719548A IT 1954887 A IT1954887 A IT 1954887A IT 8719548 A0 IT8719548 A0 IT 8719548A0
Authority
IT
Italy
Prior art keywords
burglar sensor
burglar
sensor
Prior art date
Application number
IT8719548A
Other languages
Italian (it)
Other versions
IT1203356B (en
Inventor
Michele Campo
Original Assignee
Michele Campo
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 Michele Campo filed Critical Michele Campo
Priority to IT19548/87A priority Critical patent/IT1203356B/en
Publication of IT8719548A0 publication Critical patent/IT8719548A0/en
Priority to EP88102903A priority patent/EP0281033A3/en
Application granted granted Critical
Publication of IT1203356B publication Critical patent/IT1203356B/en

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/181—Actuation 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
    • G08B13/187—Actuation 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
IT19548/87A 1987-03-02 1987-03-02 ANTI-BURGLAR SENSOR IT1203356B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT19548/87A IT1203356B (en) 1987-03-02 1987-03-02 ANTI-BURGLAR SENSOR
EP88102903A EP0281033A3 (en) 1987-03-02 1988-02-26 Break sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT19548/87A IT1203356B (en) 1987-03-02 1987-03-02 ANTI-BURGLAR SENSOR

Publications (2)

Publication Number Publication Date
IT8719548A0 true IT8719548A0 (en) 1987-03-02
IT1203356B IT1203356B (en) 1989-02-15

Family

ID=11158948

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19548/87A IT1203356B (en) 1987-03-02 1987-03-02 ANTI-BURGLAR SENSOR

Country Status (2)

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

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH568627A5 (en) * 1974-07-15 1975-10-31 Cerberus Ag
DE2538242A1 (en) * 1975-08-28 1977-03-10 Rohue Rolladen Huebler Kg Surveillance circuit for shuttered doors or windows - uses control beam reflected by shutters onto detector
FR2418504A1 (en) * 1978-02-24 1979-09-21 Alsthom Cgee Door or window break-in detector - uses fibre optic encased in panel and having ends terminated at light emitter-receiver
FR2504709A1 (en) * 1981-04-28 1982-10-29 Alsthom Cgee Infrared intruder alarm system - uses pulsed 10 to 100 kilohertz high frequency modulated signal transmitted using IR LED

Also Published As

Publication number Publication date
IT1203356B (en) 1989-02-15
EP0281033A3 (en) 1990-05-30
EP0281033A2 (en) 1988-09-07

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970327