DE2035434A1 - Uberwachungs Alarmsystem - Google Patents

Uberwachungs Alarmsystem

Info

Publication number
DE2035434A1
DE2035434A1 DE19702035434 DE2035434A DE2035434A1 DE 2035434 A1 DE2035434 A1 DE 2035434A1 DE 19702035434 DE19702035434 DE 19702035434 DE 2035434 A DE2035434 A DE 2035434A DE 2035434 A1 DE2035434 A1 DE 2035434A1
Authority
DE
Germany
Prior art keywords
preselected
capacitor
signal
circuit
doppler shift
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
DE19702035434
Other languages
German (de)
English (en)
Inventor
Michael Edinburgh Jmman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Microwave and Electronic Systems Ltd
Original Assignee
Microwave and Electronic Systems Ltd
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 Microwave and Electronic Systems Ltd filed Critical Microwave and Electronic Systems Ltd
Publication of DE2035434A1 publication Critical patent/DE2035434A1/de
Pending legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • G08B5/00—Visible signalling systems, e.g. visible personal calling systems or remote indication of seats occupied
    • G08B5/22—Visible signalling systems, e.g. visible personal calling systems or remote indication of seats occupied using electric transmission; using electromagnetic transmission
    • G08B5/24—Visible signalling systems, e.g. visible personal calling systems or remote indication of seats occupied using electric transmission; using electromagnetic transmission with indicator element moving about a pivot, e.g. hinged flap or rotating vane

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Burglar Alarm Systems (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
DE19702035434 1969-07-21 1970-07-17 Uberwachungs Alarmsystem Pending DE2035434A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3666169 1969-07-21

Publications (1)

Publication Number Publication Date
DE2035434A1 true DE2035434A1 (de) 1971-02-11

Family

ID=10390128

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19702035434 Pending DE2035434A1 (de) 1969-07-21 1970-07-17 Uberwachungs Alarmsystem

Country Status (6)

Country Link
JP (1) JPS508918B1 (https=)
DE (1) DE2035434A1 (https=)
GB (1) GB1316087A (https=)
IL (1) IL34921A0 (https=)
NL (1) NL7010766A (https=)
ZA (1) ZA704716B (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2129824B1 (https=) * 1971-03-15 1974-05-31 Radiotechnique Compelec
JPS5910630Y2 (ja) 1976-03-19 1984-04-03 ホーチキ株式会社 移動物体警報装置
US4122427A (en) * 1976-06-24 1978-10-24 Herbert Karsh Motion monitor
EP2290391B1 (en) * 2009-09-01 2020-12-16 G4S Monitoring Technologies Limited Proximity sensors

Also Published As

Publication number Publication date
NL7010766A (https=) 1971-01-25
GB1316087A (en) 1973-05-09
IL34921A0 (en) 1970-12-24
JPS508918B1 (https=) 1975-04-08
ZA704716B (en) 1971-04-28

Similar Documents

Publication Publication Date Title
DE69129002T2 (de) Periodisches pulsdiskriminierungssystem
EP2469296B1 (de) Optoelektronischer Sensor und Verfahren zur Erfassung und Abstandsbestimmung von Objekten
DE69430195T2 (de) Ultrabreitbandbewegungssensor für radar
DE3128980C2 (de) Verfahren und Vorrichtung zur Feststellung des unerlaubten Hindurchführens von geschützten Gegenständen durch eine Überwachungszone
DE2002012A1 (de) Vorrichtung und Verfahren zum Melden von Hindernissen und zur Anzeige der Entfernung der Hindernisse
EP0165403A2 (de) Verfahren zur Steuerung der Dynamik eines Entfernungsmessgerätes nach dem Prinzip der Lichtimpuls-Laufzeitmessung und Vorrichtung zur Durchführung dieses Verfahrens
DE2340187B2 (https=)
DE10059673A1 (de) Impuls-Radarverfahren sowie Impuls-Radarsensor und System
EP0623829B1 (de) Verfahren und Vorrichtung zur Sendestromregelung bei Sensoranordnungen
DE2613845A1 (de) Geraet zur einbruchssicherung
CH622105A5 (https=)
CH666974A5 (de) Ueberwachung von elektrischen parametern und deren einstellung bei einem einbruchmelder.
DE1284137B (de) Anordnung zum Anzeigen eines Objekts auf oder vor einer Flaeche
DE3041465A1 (en) A method in a tracking radar to attain a large unambiguous range for detected targets by means of radar pulses with high repetition frequency
CH667343A5 (de) Verfahren und schaltungsanordnung zur funktionskontrolle von ultraschall-alarmanlagen.
DE2113636A1 (de) Verfahren und Vorrichtung zur Objektortung auf Grund der Dopplerverschiebung
DE2744092C3 (de) Entfernungsmeßsystem zur Scharfeinstellung von Kameras
WO1985003590A1 (fr) Procede et montage de circuit pour le controle fonctionnel d'installations d'alarme a ultra-sons
DE2656399C3 (de) Schaltungsanordnung für ein Einbruchalarmgerät mit Koinzidenzbetrieb eines Ultraschall- und eines elektromagnetischen Dopplergerätes
DE2035434A1 (de) Uberwachungs Alarmsystem
DE2015294A1 (de) Leitvorrichtung
DE19847548A1 (de) Näherungssensor und Verfahren zur Personenerkennung
DE1937723C3 (de) Kompensationseinrichtung fuer eine Niederschlagsdaempfung im Empfaenger einer Wetter-Radaranlage mit zeitabhaengiger Ansprechempfindlichkeitssteuerung
DE1934723C1 (de) Puls-Doppler-Radargeraet mit einer Einrichtung zur Stoerungsunterdrueckung
DE69722344T2 (de) Objektdetektionsgerät