IT1074867B - MOVEMENT DETECTION PROCEDURE FOR SURVEILLANCE OF SPACES AGAINST AGGRESSIONS AND SURVEILLANCE DEVICE FOR IMPLEMENTATION OF THAT PROCEDURE - Google Patents

MOVEMENT DETECTION PROCEDURE FOR SURVEILLANCE OF SPACES AGAINST AGGRESSIONS AND SURVEILLANCE DEVICE FOR IMPLEMENTATION OF THAT PROCEDURE

Info

Publication number
IT1074867B
IT1074867B IT2045777A IT2045777A IT1074867B IT 1074867 B IT1074867 B IT 1074867B IT 2045777 A IT2045777 A IT 2045777A IT 2045777 A IT2045777 A IT 2045777A IT 1074867 B IT1074867 B IT 1074867B
Authority
IT
Italy
Prior art keywords
surveillance
procedure
implementation
movement detection
spaces against
Prior art date
Application number
IT2045777A
Other languages
Italian (it)
Original Assignee
Coprelec
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 Coprelec filed Critical Coprelec
Application granted granted Critical
Publication of IT1074867B publication Critical patent/IT1074867B/en

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
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/16—Actuation by interference with mechanical vibrations in air or other fluid
    • G08B13/1609—Actuation by interference with mechanical vibrations in air or other fluid using active vibration detection systems
    • G08B13/1645—Actuation by interference with mechanical vibrations in air or other fluid using active vibration detection systems using ultrasonic detection means and other detection means, e.g. microwave or infrared radiation
    • 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
    • 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
IT2045777A 1976-02-19 1977-02-18 MOVEMENT DETECTION PROCEDURE FOR SURVEILLANCE OF SPACES AGAINST AGGRESSIONS AND SURVEILLANCE DEVICE FOR IMPLEMENTATION OF THAT PROCEDURE IT1074867B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7604545A FR2346787A1 (en) 1976-02-19 1976-02-19 Enclosed space surveillance system - monitors signals representative of two parameters, triggering alarm when signals exceed step value

Publications (1)

Publication Number Publication Date
IT1074867B true IT1074867B (en) 1985-04-20

Family

ID=9169311

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2045777A IT1074867B (en) 1976-02-19 1977-02-18 MOVEMENT DETECTION PROCEDURE FOR SURVEILLANCE OF SPACES AGAINST AGGRESSIONS AND SURVEILLANCE DEVICE FOR IMPLEMENTATION OF THAT PROCEDURE

Country Status (6)

Country Link
JP (1) JPS52101999A (en)
BE (1) BE851331A (en)
DE (1) DE2707181A1 (en)
FR (1) FR2346787A1 (en)
IT (1) IT1074867B (en)
NL (1) NL7701779A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4410884A (en) * 1977-08-18 1983-10-18 Firma Aug. Winkhaus Alarm system
FR2486277A1 (en) * 1980-07-04 1982-01-08 Cristec Ind Intruder alarm system using radio link - detects phase offset of received signals to prevent alarm operation due to parasitic vibrations
EP0126703A1 (en) * 1983-05-19 1984-11-28 Yechiel Spector Detection apparatus
US4636774A (en) * 1983-11-08 1987-01-13 American District Telegraph Company Variable sensitivity motion detector
FR2910161B1 (en) * 2006-12-15 2009-01-30 Thales Sa GONIOMETRIC SYSTEM OF MINI SENSORS DOPPLER IN NETWORKS FOR THE MONITORING OF PERIMETERS

Also Published As

Publication number Publication date
JPS52101999A (en) 1977-08-26
FR2346787B1 (en) 1978-08-18
DE2707181A1 (en) 1977-09-01
FR2346787A1 (en) 1977-10-28
BE851331A (en) 1977-08-11
NL7701779A (en) 1977-08-23

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