DE2011380A1 - Raums chut zgerät - Google Patents

Raums chut zgerät

Info

Publication number
DE2011380A1
DE2011380A1 DE19702011380 DE2011380A DE2011380A1 DE 2011380 A1 DE2011380 A1 DE 2011380A1 DE 19702011380 DE19702011380 DE 19702011380 DE 2011380 A DE2011380 A DE 2011380A DE 2011380 A1 DE2011380 A1 DE 2011380A1
Authority
DE
Germany
Prior art keywords
alarm device
alarm
motion
signal
interference suppression
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.)
Pending
Application number
DE19702011380
Other languages
German (de)
English (en)
Inventor
Billy; Kett Frank; Corbell Paul Irving; Dallas; Young Geoffrey Allen Irving; Tex. Burley (V.St.A.)
Original Assignee
Johnson Service Company, Milwaukee, Wis. (V.St.A.)
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 Johnson Service Company, Milwaukee, Wis. (V.St.A.) filed Critical Johnson Service Company, Milwaukee, Wis. (V.St.A.)
Publication of DE2011380A1 publication Critical patent/DE2011380A1/de
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K3/00—Jamming of communication; Counter-measures
    • H04K3/80—Jamming or countermeasure characterized by its function
    • H04K3/88—Jamming or countermeasure characterized by its function related to allowing or preventing alarm transmission
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/50—Systems of measurement based on relative movement of target
    • G01S13/52—Discriminating between fixed and moving objects or between objects moving at different speeds
    • G01S13/56—Discriminating between fixed and moving objects or between objects moving at different speeds for presence detection
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K3/00—Jamming of communication; Counter-measures
    • H04K3/20—Countermeasures against jamming
    • H04K3/22—Countermeasures against jamming including jamming detection and monitoring

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Burglar Alarm Systems (AREA)
DE19702011380 1969-03-10 1970-03-10 Raums chut zgerät Pending DE2011380A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US80562269A 1969-03-10 1969-03-10

Publications (1)

Publication Number Publication Date
DE2011380A1 true DE2011380A1 (de) 1970-09-24

Family

ID=25192050

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19702011380 Pending DE2011380A1 (de) 1969-03-10 1970-03-10 Raums chut zgerät

Country Status (4)

Country Link
US (1) US3618083A (https=)
DE (1) DE2011380A1 (https=)
FR (1) FR2037882A5 (https=)
GB (1) GB1308701A (https=)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3961323A (en) * 1971-02-22 1976-06-01 American Multi-Lert Corporation Cargo monitor apparatus and method
US3733602A (en) * 1971-05-20 1973-05-15 Motorola Inc Microwave intrusion detecting system and apparatus
US3760400A (en) * 1972-02-10 1973-09-18 Aerospace Res Intrusion detection system employing quadrature sampling
US3886549A (en) * 1972-03-24 1975-05-27 Omni Spectra Inc Intrusion detection system
US3877002A (en) * 1973-05-25 1975-04-08 Omni Spectra Inc Intrusion detecting system
US3947834A (en) * 1974-04-30 1976-03-30 E-Systems, Inc. Doppler perimeter intrusion alarm system using a leaky waveguide
US4622539A (en) * 1984-05-03 1986-11-11 Honeywell Inc. Alarm system with alarm message supervision
GB8627332D0 (en) * 1986-11-14 1987-03-18 Marconi Co Ltd Radar system
US5196826A (en) * 1991-06-26 1993-03-23 C & K Systems, Inc. Sensor for detecting the passage of a person or an animal in a field of view
US5469180A (en) * 1994-05-02 1995-11-21 Motorola, Inc. Method and apparatus for tuning a loop antenna
US5950110A (en) * 1997-08-06 1999-09-07 Interactive Techanologies, Inc. Jamming detection in a wireless security system
US6114955A (en) * 1998-06-03 2000-09-05 Interactive Technologies, Inc. System and method for antenna failure detection
JP3793822B1 (ja) * 2005-01-07 2006-07-05 オプテックス株式会社 マイクロウエーブセンサ
JP4747652B2 (ja) * 2005-04-15 2011-08-17 株式会社デンソー Ｆｍｃｗレーダ
US9905120B1 (en) 2016-08-29 2018-02-27 At&T Digital Life, Inc. Alarm initiation when sensor is intentionally jammed
CN110398781A (zh) * 2019-08-05 2019-11-01 深圳迈睿智能科技有限公司 抗干扰微波探测模块及抗干扰方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3111657A (en) * 1960-03-16 1963-11-19 Specialties Dev Corp Compensation for turbulence and other effects in intruder detection systems
US3242486A (en) * 1962-04-20 1966-03-22 Johnson Service Co Intrusion detection system
BE632861A (https=) * 1962-05-30
US3378834A (en) * 1966-05-10 1968-04-16 Johnson Service Co Perimeter intrusion detection system
US3383678A (en) * 1966-12-23 1968-05-14 Advanced Devices Lab Inc Moving object detection system
US3465336A (en) * 1968-05-09 1969-09-02 Us Army Doppler radar with clutter controlled filter channel

Also Published As

Publication number Publication date
GB1308701A (en) 1973-03-07
FR2037882A5 (https=) 1970-12-31
US3618083A (en) 1971-11-02

Similar Documents

Publication Publication Date Title
DE2011380A1 (de) Raums chut zgerät
DE2711869C3 (de) Alarmvorrichtung
EP0158023B1 (de) Verfahren und Schaltungsanordnung zur Funktionskontrolle von Ultraschall-Alarmanlagen
DE2417928A1 (de) Verfahren und vorrichtung zur verringerung von fehlalarmen bei diebstahldetektionssystemen
DE2830853A1 (de) Ueberwachungsverfahren und einrichtung mit elektromagnetischem traegersignal und mehrbereichsgrenzsignalen
DE2431999B2 (de) Bruchdetektor
DE2159606A1 (de) Anlage zum Feststellen unerlaubter Entfernung von Gegenständen oder Waren
DE2361106A1 (de) Alarmsystem zur erfassung eines eindringlings in einem ueberwachungsbereich
DE2424278C3 (de) Mit elektromagnetischer Strahlung arbeitende Überwachungsanlage
DE2260618C3 (de) Alarmeinrichtung
DE2722982C2 (de) Schaltungsanordnung für eine nach dem Doppler-Prinzip arbeitende Ultraschall-Einbruchssicherungsanlage
DE2613070A1 (de) Dopplerradar zur raumueberwachung
DE2011288A1 (de) Raumschutzgerät
DE2131113A1 (de) Raumschutz- und Warneinrichtung mit Turbulenzausgleich
DE3539105A1 (de) Radarsystem
DE2117425A1 (de) Träger- und NF-Rauschsperre für einen Empfänger mit Rauschunterdrückung bei Übertragungsende
DE3313358A1 (de) Schaltungsanordnung fuer ein ueberwachungssystem
DE2750388A1 (de) Mikrowellen-nachweisvorrichtung mit einem gleichzeitig als detektor arbeitenden gunn-oszillator
DE2651042A1 (de) Identifizierungssystem
DE2346298A1 (de) Ueberwachungsschaltung
DE2627881C2 (de) Radargerät
DE2150730A1 (de) Ultraschall-Untersuchungsgeraet
DE2638337C2 (https=)
DE2600362A1 (de) Mit ultraschall arbeitendes eindringdetektorsystem
DE1158593B (de) Impulsrueckstrahlortungsgeraet mit selbsttaetig erfolgender entstoerender Veraenderung der Traegerfrequenz und/oder der Polarisationsrichtung