DK174558B1 - Stråleformende transducer-antennesystem - Google Patents

Stråleformende transducer-antennesystem Download PDF

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Publication number
DK174558B1
DK174558B1 DK200200412A DKPA200200412A DK174558B1 DK 174558 B1 DK174558 B1 DK 174558B1 DK 200200412 A DK200200412 A DK 200200412A DK PA200200412 A DKPA200200412 A DK PA200200412A DK 174558 B1 DK174558 B1 DK 174558B1
Authority
DK
Denmark
Prior art keywords
antenna system
transducers
microphones
common center
modules
Prior art date
Application number
DK200200412A
Other languages
Danish (da)
English (en)
Inventor
Jacob Juhl Christensen
Joergen Hald
Original Assignee
Bruel & Kjaer Sound & Vibratio
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 Bruel & Kjaer Sound & Vibratio filed Critical Bruel & Kjaer Sound & Vibratio
Priority to DK200200412A priority Critical patent/DK174558B1/da
Priority to PCT/DK2003/000166 priority patent/WO2003079486A1/en
Priority to JP2003577371A priority patent/JP4392248B2/ja
Priority to EP03709670A priority patent/EP1485968B1/en
Priority to AT03709670T priority patent/ATE511707T1/de
Priority to US10/507,753 priority patent/US7098865B2/en
Priority to AU2003214025A priority patent/AU2003214025A1/en
Application granted granted Critical
Publication of DK174558B1 publication Critical patent/DK174558B1/da

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers
    • H04R3/12—Circuits for transducers 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; ELECTRIC HEARING AIDS; 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; ELECTRIC HEARING AIDS; 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; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers
    • H04R3/005—Circuits for transducers 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; ELECTRIC HEARING AIDS; 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; ELECTRIC HEARING AIDS; 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; ELECTRIC HEARING AIDS; 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)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Circuit For Audible Band Transducer (AREA)
DK200200412A 2002-03-15 2002-03-15 Stråleformende transducer-antennesystem DK174558B1 (da)

Priority Applications (7)

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
JP2003577371A JP4392248B2 (ja) 2002-03-15 2003-03-14 トランスデューサのビーム形成アレイ
EP03709670A EP1485968B1 (en) 2002-03-15 2003-03-14 Beam forming array of transducers
AT03709670T ATE511707T1 (de) 2002-03-15 2003-03-14 Strahlformungs-wandlerarray
US10/507,753 US7098865B2 (en) 2002-03-15 2003-03-14 Beam forming array of transducers
AU2003214025A AU2003214025A1 (en) 2002-03-15 2003-03-14 Beam forming array of transducers

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK200200412A DK174558B1 (da) 2002-03-15 2002-03-15 Stråleformende transducer-antennesystem
DK200200412 2002-03-15

Publications (1)

Publication Number Publication Date
DK174558B1 true DK174558B1 (da) 2003-06-02

Family

ID=8161229

Family Applications (1)

Application Number Title Priority Date Filing Date
DK200200412A DK174558B1 (da) 2002-03-15 2002-03-15 Stråleformende transducer-antennesystem

Country Status (7)

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

Cited By (1)

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WO2019178626A1 (de) 2018-03-19 2019-09-26 Seven Bel Gmbh Vorrichtung, system und verfahren zur räumlichen lokalisierung von schallquellen

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JP4983630B2 (ja) * 2008-02-05 2012-07-25 ヤマハ株式会社 放収音装置
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US8848481B2 (en) * 2008-07-08 2014-09-30 Bruel & Kjaer Sound & Vibration Measurement A/S Reconstructing an acoustic field
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Also Published As

Publication number Publication date
US20050225497A1 (en) 2005-10-13
ATE511707T1 (de) 2011-06-15
JP2005521283A (ja) 2005-07-14
JP4392248B2 (ja) 2009-12-24
AU2003214025A1 (en) 2003-09-29
EP1485968B1 (en) 2011-06-01
US7098865B2 (en) 2006-08-29
WO2003079486A1 (en) 2003-09-25
EP1485968A1 (en) 2004-12-15

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Expiry date: 20220315