IT991881B - Procedimento e dispositivo per proteggere locali contro intbusioni - Google Patents

Procedimento e dispositivo per proteggere locali contro intbusioni

Info

Publication number
IT991881B
IT991881B IT69256/73A IT6925673A IT991881B IT 991881 B IT991881 B IT 991881B IT 69256/73 A IT69256/73 A IT 69256/73A IT 6925673 A IT6925673 A IT 6925673A IT 991881 B IT991881 B IT 991881B
Authority
IT
Italy
Prior art keywords
intbusions
procedure
rooms against
protect rooms
protect
Prior art date
Application number
IT69256/73A
Other languages
English (en)
Original Assignee
Romen Faser Kunststoff
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 Romen Faser Kunststoff filed Critical Romen Faser Kunststoff
Application granted granted Critical
Publication of IT991881B publication Critical patent/IT991881B/it

Links

Classifications

    • 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
    • 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
    • G08B13/1654—Actuation by interference with mechanical vibrations in air or other fluid using passive vibration detection systems
    • G08B13/1681—Actuation by interference with mechanical vibrations in air or other fluid using passive vibration detection systems using infrasonic detecting means, e.g. a microphone operating below the audible frequency range

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)
IT69256/73A 1972-07-31 1973-07-26 Procedimento e dispositivo per proteggere locali contro intbusioni IT991881B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2237613A DE2237613C3 (de) 1972-07-31 1972-07-31 Verfahren und Vorrichtung zur Raumsicherung

Publications (1)

Publication Number Publication Date
IT991881B true IT991881B (it) 1975-08-30

Family

ID=5852236

Family Applications (1)

Application Number Title Priority Date Filing Date
IT69256/73A IT991881B (it) 1972-07-31 1973-07-26 Procedimento e dispositivo per proteggere locali contro intbusioni

Country Status (9)

Country Link
US (1) US3898640A (it)
JP (1) JPS4980896A (it)
BR (1) BR7305723D0 (it)
DE (1) DE2237613C3 (it)
FR (1) FR2195017B3 (it)
GB (1) GB1420043A (it)
HU (1) HU167448B (it)
IT (1) IT991881B (it)
ZA (1) ZA734591B (it)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4229811A (en) * 1978-11-09 1980-10-21 General Electric Company Intrusion detection method and apparatus
US4260980A (en) * 1979-04-30 1981-04-07 Bates Mitchell G Blind spot detector for vehicles
FR2523339A1 (fr) * 1982-03-12 1983-09-16 Guglielmetti Vg Electro Dispositif de detection a capteur volumetrique a infra-sons et procede de detection par infra-sons
GB8323685D0 (en) * 1983-09-03 1983-10-05 Gen Electric Co Plc Monitoring displacement
CH667932A5 (de) * 1985-05-24 1988-11-15 Cerberus Ag Nahbereichsueberwachungsgeraet mit schallquelle.
DE3611184C1 (de) * 1986-04-03 1987-09-03 Hirschmann Radiotechnik Verfahren und Vorrichtung zur Raumsicherung
GB8617124D0 (en) * 1986-07-15 1986-08-20 Mace R J Vehicle protection apparatus
EP0286897A1 (de) * 1987-04-09 1988-10-19 Cerberus Ag Verfahren und Vorrichtung zur Überwachung von geschlossenen Räumen
US5266905A (en) * 1992-05-29 1993-11-30 Audio Research Corporation Audio amplifier with amplified feedback
DE19740639C1 (de) * 1997-09-16 1999-07-22 Megamos F & G Sicherheit Ultraschall-Überwachungseinrichtung zum Überwachen eines Kfz-Innenraumes
DE19749747A1 (de) * 1997-11-11 1999-05-12 Grundig Ag Autradioalarmanlage
GB9812842D0 (en) 1998-06-16 1998-08-12 Ncr Int Inc Automatic teller machines
EP1941476A1 (de) * 2005-10-07 2008-07-09 Anocsys AG Verfahren zur überwachung eines raumes und eine vorrichtung zur durchführung des verfahrens
KR101297409B1 (ko) * 2009-12-14 2013-08-19 한국전자통신연구원 음장변화 측정을 이용한 보안 시스템 및 방법
US10741037B2 (en) * 2018-05-16 2020-08-11 Avaya Inc. Method and system for detecting inaudible sounds

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2071933A (en) * 1931-02-28 1937-02-23 Rca Corp Alarm system
US2031951A (en) * 1932-02-25 1936-02-25 Bell Telephone Labor Inc Burglar alarm system
US2400309A (en) * 1941-10-31 1946-05-14 Baldwin Co Oscillation generator
US2745089A (en) * 1954-01-19 1956-05-08 Isaac Ergas Burglar alarm and like warning systems
US2985018A (en) * 1956-10-22 1961-05-23 North American Aviation Inc Vibration wave distance measuring device
US3065455A (en) * 1958-10-07 1962-11-20 Wilfred Roth Detection apparatus
US3047850A (en) * 1959-08-12 1962-07-31 Mosler Res Products Inc Sonic space alarm
US3061829A (en) * 1959-12-14 1962-10-30 Diebold Inc Sonic alarm system
GB1169166A (en) * 1966-01-03 1969-10-29 Microtherm Ltd Improvements in or relating to Heating Apparatus
US3569924A (en) * 1969-03-19 1971-03-09 Dexter Mfg Co Ultrasonic detection system
US3725888A (en) * 1971-04-05 1973-04-03 Pyrotector Inc Detector system
US3721972A (en) * 1972-02-22 1973-03-20 Seabord Electric Ultrasonic burglar alarm system

Also Published As

Publication number Publication date
DE2237613B2 (it) 1974-10-17
HU167448B (it) 1975-10-28
DE2237613C3 (de) 1975-05-28
FR2195017B3 (it) 1976-07-09
US3898640A (en) 1975-08-05
DE2237613A1 (de) 1974-03-07
BR7305723D0 (pt) 1974-08-29
GB1420043A (en) 1976-01-07
ZA734591B (en) 1974-11-27
FR2195017A1 (it) 1974-03-01
JPS4980896A (it) 1974-08-05

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