JPS4980896A - - Google Patents

Info

Publication number
JPS4980896A
JPS4980896A JP48080993A JP8099373A JPS4980896A JP S4980896 A JPS4980896 A JP S4980896A JP 48080993 A JP48080993 A JP 48080993A JP 8099373 A JP8099373 A JP 8099373A JP S4980896 A JPS4980896 A JP S4980896A
Authority
JP
Japan
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.)
Pending
Application number
JP48080993A
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 filed Critical
Publication of JPS4980896A publication Critical patent/JPS4980896A/ja
Pending legal-status Critical Current

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)
JP48080993A 1972-07-31 1973-07-23 Pending JPS4980896A (ja)

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
JPS4980896A true JPS4980896A (ja) 1974-08-05

Family

ID=5852236

Family Applications (1)

Application Number Title Priority Date Filing Date
JP48080993A Pending JPS4980896A (ja) 1972-07-31 1973-07-23

Country Status (9)

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

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
RU2008118157A (ru) * 2005-10-07 2009-11-20 Аноксис Аг (Ch) Способ для контроля помещения и устройство для осуществления способа
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
US3898640A (en) 1975-08-05
BR7305723D0 (pt) 1974-08-29
HU167448B (ja) 1975-10-28
DE2237613A1 (de) 1974-03-07
FR2195017A1 (ja) 1974-03-01
DE2237613C3 (de) 1975-05-28
FR2195017B3 (ja) 1976-07-09
IT991881B (it) 1975-08-30
DE2237613B2 (ja) 1974-10-17
GB1420043A (en) 1976-01-07
ZA734591B (en) 1974-11-27

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