AU509986B1 - Ultrasonic motion detector - Google Patents

Ultrasonic motion detector

Info

Publication number
AU509986B1
AU509986B1 AU33235/78A AU3323578A AU509986B1 AU 509986 B1 AU509986 B1 AU 509986B1 AU 33235/78 A AU33235/78 A AU 33235/78A AU 3323578 A AU3323578 A AU 3323578A AU 509986 B1 AU509986 B1 AU 509986B1
Authority
AU
Australia
Prior art keywords
motion detector
ultrasonic motion
ultrasonic
detector
motion
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.)
Expired
Application number
AU33235/78A
Inventor
M Kondo
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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works 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
Priority claimed from JP1521177A external-priority patent/JPS53100278A/en
Priority claimed from JP8633777A external-priority patent/JPS5420699A/en
Application filed by Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Application granted granted Critical
Publication of AU509986B1 publication Critical patent/AU509986B1/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/50—Systems of measurement, based on relative movement of the target
    • G01S15/52—Discriminating between fixed and moving objects or between objects moving at different speeds
    • G01S15/523—Discriminating between fixed and moving objects or between objects moving at different speeds for presence detection

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Acoustics & Sound (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Radar Systems Or Details Thereof (AREA)
AU33235/78A 1977-02-14 1978-02-13 Ultrasonic motion detector Expired AU509986B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JPJP15211/77 1977-02-14
JP1521177A JPS53100278A (en) 1977-02-14 1977-02-14 Phase difference detection circuit
JPJP86337/77 1977-07-15
JP8633777A JPS5420699A (en) 1977-07-15 1977-07-15 Ultrasonic alert device

Publications (1)

Publication Number Publication Date
AU509986B1 true AU509986B1 (en) 1980-06-05

Family

ID=26351330

Family Applications (1)

Application Number Title Priority Date Filing Date
AU33235/78A Expired AU509986B1 (en) 1977-02-14 1978-02-13 Ultrasonic motion detector

Country Status (3)

Country Link
AU (1) AU509986B1 (en)
DE (1) DE2805873C3 (en)
GB (1) GB1600430A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3217566B2 (en) * 1993-12-28 2001-10-09 富士通株式会社 Continuous wave radar
GB9906174D0 (en) * 1999-03-17 1999-05-12 Valeo Services Limited Intrusion detection
EP1039313A1 (en) 1999-03-17 2000-09-27 Valeo Services Limited Intrusion detection process and device
FR2807843B1 (en) * 2000-04-12 2002-10-18 Valeo Electronique IMPROVEMENTS IN DETECTING THE PRESENCE OF A PERSON OR ANIMAL IN A MOTOR VEHICLE TRUNK
JP6249327B2 (en) * 2013-06-18 2017-12-20 パナソニックＩｐマネジメント株式会社 Moving body detection device

Also Published As

Publication number Publication date
DE2805873A1 (en) 1978-08-17
DE2805873B2 (en) 1980-01-31
DE2805873C3 (en) 1980-09-25
GB1600430A (en) 1981-10-14

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