IT1042415B - Rivelatore ultrasonico di movimenti - Google Patents

Rivelatore ultrasonico di movimenti

Info

Publication number
IT1042415B
IT1042415B IT2707975A IT2707975A IT1042415B IT 1042415 B IT1042415 B IT 1042415B IT 2707975 A IT2707975 A IT 2707975A IT 2707975 A IT2707975 A IT 2707975A IT 1042415 B IT1042415 B IT 1042415B
Authority
IT
Italy
Prior art keywords
movement detector
ultrasonic movement
ultrasonic
detector
movement
Prior art date
Application number
IT2707975A
Other languages
English (en)
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Application granted granted Critical
Publication of IT1042415B publication Critical patent/IT1042415B/it

Links

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00Burglar, theft or intruder alarms
    • G08B13/16Actuation by interference with mechanical vibrations in air or other fluid
    • G08B13/1609Actuation by interference with mechanical vibrations in air or other fluid using active vibration detection systems
    • G08B13/1618Actuation by interference with mechanical vibrations in air or other fluid using active vibration detection systems using ultrasonic detection means
    • G08B13/1627Actuation by interference with mechanical vibrations in air or other fluid using active vibration detection systems using ultrasonic detection means using Doppler shift detection circuits
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S15/00Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/50Systems of measurement, based on relative movement of the target
    • G01S15/52Discriminating between fixed and moving objects or between objects moving at different speeds
    • G01S15/523Discriminating between fixed and moving objects or between objects moving at different speeds for presence detection
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S15/00Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/50Systems of measurement, based on relative movement of the target
    • G01S15/58Velocity or trajectory determination systems; Sense-of-movement determination systems
    • G01S15/586Velocity or trajectory determination systems; Sense-of-movement determination systems using transmission of continuous unmodulated waves, amplitude-, frequency-, or phase-modulated waves and based upon the Doppler effect resulting from movement of targets

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
IT2707975A 1974-09-12 1975-09-10 Rivelatore ultrasonico di movimenti IT1042415B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742443744 DE2443744A1 (de) 1974-09-12 1974-09-12 Ultraschall-bewegungsdetektor

Publications (1)

Publication Number Publication Date
IT1042415B true IT1042415B (it) 1980-01-30

Family

ID=5925604

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2707975A IT1042415B (it) 1974-09-12 1975-09-10 Rivelatore ultrasonico di movimenti

Country Status (7)

Country Link
JP (1) JPS5153869A (it)
BE (1) BE833365A (it)
DE (1) DE2443744A1 (it)
FR (1) FR2284863A1 (it)
IT (1) IT1042415B (it)
NL (1) NL7509852A (it)
SE (1) SE7510073L (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2755619C2 (de) * 1977-12-14 1979-09-27 Danfoss A/S, Nordborg (Daenemark) Sendeempfangsweiche
EP0494349A3 (en) * 1991-01-11 1992-11-19 Telefunken Systemtechnik Gmbh Sensor for an interior, particularly in a motor vehicle
FR2720163B1 (fr) * 1994-05-17 1996-06-21 Valeo Electronique Procédé de détection de mouvement par effet Doppler à l'aide d'un rayonnement ultrasonore, dispositif de détection de mouvement par effet Doppler et dispositif d'alarme anti-intrusion pour habitacle notamment de véhicule.

Also Published As

Publication number Publication date
NL7509852A (nl) 1976-03-16
JPS5153869A (ja) 1976-05-12
SE7510073L (sv) 1976-03-15
DE2443744A1 (de) 1976-04-01
BE833365A (fr) 1975-12-31
FR2284863A1 (fr) 1976-04-09

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