AU1650300A - Directional detection of acoustic signals - Google Patents

Directional detection of acoustic signals

Info

Publication number
AU1650300A
AU1650300A AU16503/00A AU1650300A AU1650300A AU 1650300 A AU1650300 A AU 1650300A AU 16503/00 A AU16503/00 A AU 16503/00A AU 1650300 A AU1650300 A AU 1650300A AU 1650300 A AU1650300 A AU 1650300A
Authority
AU
Australia
Prior art keywords
acoustic signals
directional detection
directional
detection
acoustic
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.)
Abandoned
Application number
AU16503/00A
Inventor
Jacob Kortbek
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of AU1650300A publication Critical patent/AU1650300A/en
Abandoned 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
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/80—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using ultrasonic, sonic or infrasonic waves
    • G01S3/802—Systems for determining direction or deviation from predetermined direction
    • G01S3/808—Systems for determining direction or deviation from predetermined direction using transducers spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems
    • 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
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/80—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using ultrasonic, sonic or infrasonic waves
    • G01S3/801—Details
    • 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
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/80—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using ultrasonic, sonic or infrasonic waves
    • G01S3/802—Systems for determining direction or deviation from predetermined direction
    • G01S3/808—Systems for determining direction or deviation from predetermined direction using transducers spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems
    • G01S3/8083—Systems for determining direction or deviation from predetermined direction using transducers spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems determining direction of source

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
AU16503/00A 1998-12-20 1999-12-17 Directional detection of acoustic signals Abandoned AU1650300A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DKPA199801731 1998-12-20
DKPA199801731 1998-12-20
PCT/DK1999/000707 WO2000037962A1 (en) 1998-12-20 1999-12-17 Directional detection of acoustic signals

Publications (1)

Publication Number Publication Date
AU1650300A true AU1650300A (en) 2000-07-12

Family

ID=8107604

Family Applications (1)

Application Number Title Priority Date Filing Date
AU16503/00A Abandoned AU1650300A (en) 1998-12-20 1999-12-17 Directional detection of acoustic signals

Country Status (2)

Country Link
AU (1) AU1650300A (en)
WO (1) WO2000037962A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101081752B1 (en) 2009-11-30 2011-11-09 한국과학기술연구원 Artificial Ear and Method for Detecting the Direction of a Sound Source Using the Same
US9479867B2 (en) * 2013-07-11 2016-10-25 Texas Instruments Incorporated Method and circuitry for direction of arrival estimation using microphone array with a sharp null
CN113890918A (en) * 2021-11-12 2022-01-04 深圳康佳电子科技有限公司 Multipoint far-field voice interaction equipment

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0823576B2 (en) * 1986-09-29 1996-03-06 株式会社光電製作所 Wireless direction finding antenna device
DE3932620A1 (en) * 1989-09-29 1991-04-11 Mantel Juval LOCATION SYSTEM FOR SOUND IMPULSES

Also Published As

Publication number Publication date
WO2000037962A1 (en) 2000-06-29

Similar Documents

Publication Publication Date Title
AU5554000A (en) Reducing distortion of signals
AU2865597A (en) Loudness-controlled processing of acoustic signals
AU3567700A (en) Signal processing
AU5492499A (en) Signal generating oligonucleotide-based biosensor
AU4856500A (en) Acoustic transducer and method of making the same
AU5731298A (en) Acoustic sensor as proximity detector
AU3078099A (en) Personal sound masking system
AU6364699A (en) Detection of analytes
AU2001228692A1 (en) Signal processing technique
AU4817397A (en) Cancellation of tool mode signal from combined signal
AU3744600A (en) Rotating signal transducer
AU4464000A (en) Voice detection in audio signals
AU2831099A (en) Tone detection elimination
AU2001250935A1 (en) Sensor and method for detecting very low frequency acoustic signals
AU2449000A (en) Signal processing means
AU1421501A (en) Method of changing telephone signals
AU3046099A (en) Acoustic horn
AU5483800A (en) Propagation of waves through materials
AU8376498A (en) Acoustic horn
AU5412600A (en) Detection of microorganisms
AU1650300A (en) Directional detection of acoustic signals
AU2559599A (en) Detection of genetic information
AU1678499A (en) Detection of analytes
AU1895900A (en) Speaker system
AU2307697A (en) Novel signal transducer

Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase