ATE511707T1 - Strahlformungs-wandlerarray - Google Patents

Strahlformungs-wandlerarray

Info

Publication number
ATE511707T1
ATE511707T1 AT03709670T AT03709670T ATE511707T1 AT E511707 T1 ATE511707 T1 AT E511707T1 AT 03709670 T AT03709670 T AT 03709670T AT 03709670 T AT03709670 T AT 03709670T AT E511707 T1 ATE511707 T1 AT E511707T1
Authority
AT
Austria
Prior art keywords
beam forming
transducer array
microphones
forming transducer
array
Prior art date
Application number
AT03709670T
Other languages
English (en)
Inventor
Jacob Christensen
Jorgen Hald
Original Assignee
Brueel & Kjaer Sound & Vibration Measurement As
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 Brueel & Kjaer Sound & Vibration Measurement As filed Critical Brueel & Kjaer Sound & Vibration Measurement As
Application granted granted Critical
Publication of ATE511707T1 publication Critical patent/ATE511707T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/12—Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
    • H01Q21/061—Two dimensional planar arrays
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
    • H01Q21/22—Antenna units of the array energised non-uniformly in amplitude or phase, e.g. tapered array or binomial array
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • H04R1/403—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers loud-speakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • H04R1/406—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/40—Details of arrangements for obtaining desired directional characteristic by combining a number of identical transducers covered by H04R1/40 but not provided for in any of its subgroups
    • H04R2201/401—2D or 3D arrays of transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/40—Details of arrangements for obtaining desired directional characteristic by combining a number of identical transducers covered by H04R1/40 but not provided for in any of its subgroups
    • H04R2201/405—Non-uniform arrays of transducers or a plurality of uniform arrays with different transducer spacing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2430/00—Signal processing covered by H04R, not provided for in its groups
    • H04R2430/20—Processing of the output signals of the acoustic transducers of an array for obtaining a desired directivity characteristic

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • General Health & Medical Sciences (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
AT03709670T 2002-03-15 2003-03-14 Strahlformungs-wandlerarray ATE511707T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK200200412A DK174558B1 (da) 2002-03-15 2002-03-15 Stråleformende transducer-antennesystem
PCT/DK2003/000166 WO2003079486A1 (en) 2002-03-15 2003-03-14 Beam forming array of transducers

Publications (1)

Publication Number Publication Date
ATE511707T1 true ATE511707T1 (de) 2011-06-15

Family

ID=8161229

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03709670T ATE511707T1 (de) 2002-03-15 2003-03-14 Strahlformungs-wandlerarray

Country Status (7)

Country Link
US (1) US7098865B2 (de)
EP (1) EP1485968B1 (de)
JP (1) JP4392248B2 (de)
AT (1) ATE511707T1 (de)
AU (1) AU2003214025A1 (de)
DK (1) DK174558B1 (de)
WO (1) WO2003079486A1 (de)

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FR2899341B1 (fr) * 2006-03-29 2008-06-20 Microdb Sa Dispositif de localisation acoustique et de mesure de leur intensite
JP5338040B2 (ja) * 2007-06-04 2013-11-13 ヤマハ株式会社 音声会議装置
KR100921368B1 (ko) * 2007-10-10 2009-10-14 충남대학교산학협력단 이동형 마이크로폰 어레이를 이용한 소음원 위치 판별정밀도 개선 시스템 및 방법
JP4983630B2 (ja) * 2008-02-05 2012-07-25 ヤマハ株式会社 放収音装置
US8199987B2 (en) * 2008-05-08 2012-06-12 Chrysler Group Llc Acoustographic diagnosis of abnormalities
EP2297557B1 (de) * 2008-07-08 2013-10-30 Brüel & Kjaer Sound & Vibration Measurement A/S Rekonstruktion eines akustischen feldes
US8009507B2 (en) * 2009-01-09 2011-08-30 The Boeing Company System and method for adaptable aperture planar phased array
JP2011055413A (ja) * 2009-09-04 2011-03-17 Nec Toshiba Space Systems Ltd ラジアルラインスロットアレイアンテナの広帯域化
DE102009029503B4 (de) * 2009-09-16 2025-08-28 Robert Bosch Gmbh Radarsensorvorrichtung mit wenigstens einer planaren Antenneneinrichtung
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FR2971341B1 (fr) * 2011-02-04 2014-01-24 Microdb Dispositif de localisation acoustique
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DK2856183T3 (da) * 2012-05-31 2019-05-13 Univ Mississippi Systemer og metoder til registrering af transiente akustiske signaler
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FR3000862B1 (fr) * 2013-01-08 2015-01-09 ACB Engineering Dispositifs passifs d'acquisition acoustique large bande et systemes passifs d'imagerie acoustique large bande.
JP5776863B2 (ja) 2013-03-29 2015-09-09 日産自動車株式会社 音源探査用マイクロホン支持装置
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WO2016179211A1 (en) * 2015-05-04 2016-11-10 Rensselaer Polytechnic Institute Coprime microphone array system
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CN112601941A (zh) * 2018-09-21 2021-04-02 日本电产株式会社 麦克风阵列装置和声学分析系统
CN109356576B (zh) * 2018-10-23 2022-05-03 中国石油化工股份有限公司 测量平面径向流驱替压力梯度的物模实验装置
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EP3942845A1 (de) 2019-03-21 2022-01-26 Shure Acquisition Holdings, Inc. Autofokus, autofokus in regionen und autoplatzierung von strahlgeformten mikrofonkeulen mit hemmfunktion
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JP7392969B2 (ja) * 2019-08-19 2023-12-06 株式会社オーディオテクニカ マイクロホン位置決定方法
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US12028678B2 (en) 2019-11-01 2024-07-02 Shure Acquisition Holdings, Inc. Proximity microphone
US11552611B2 (en) 2020-02-07 2023-01-10 Shure Acquisition Holdings, Inc. System and method for automatic adjustment of reference gain
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Also Published As

Publication number Publication date
EP1485968A1 (de) 2004-12-15
US20050225497A1 (en) 2005-10-13
JP4392248B2 (ja) 2009-12-24
US7098865B2 (en) 2006-08-29
AU2003214025A1 (en) 2003-09-29
WO2003079486A1 (en) 2003-09-25
JP2005521283A (ja) 2005-07-14
EP1485968B1 (de) 2011-06-01
DK174558B1 (da) 2003-06-02

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Legal Events

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