AU2001294400A1 - A system of sound transducers with controllable directional properties - Google Patents

A system of sound transducers with controllable directional properties

Info

Publication number
AU2001294400A1
AU2001294400A1 AU2001294400A AU9440001A AU2001294400A1 AU 2001294400 A1 AU2001294400 A1 AU 2001294400A1 AU 2001294400 A AU2001294400 A AU 2001294400A AU 9440001 A AU9440001 A AU 9440001A AU 2001294400 A1 AU2001294400 A1 AU 2001294400A1
Authority
AU
Australia
Prior art keywords
loudspeaker
systems
sound transducers
directional properties
controllable directional
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
AU2001294400A
Other languages
English (en)
Inventor
Johan Van Der Werff
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 AU2001294400A1 publication Critical patent/AU2001294400A1/en
Abandoned legal-status Critical Current

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
    • 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
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/12—Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers

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)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Selective Calling Equipment (AREA)
AU2001294400A 2000-09-13 2001-09-12 A system of sound transducers with controllable directional properties Abandoned AU2001294400A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NL1016172 2000-09-13
NL1016172A NL1016172C2 (nl) 2000-09-13 2000-09-13 Een stelsel van geluidstransducenten met regelbare richteigenschappen.
PCT/NL2001/000671 WO2002023945A1 (en) 2000-09-13 2001-09-12 A system of sound transducers with controllable directional properties

Publications (1)

Publication Number Publication Date
AU2001294400A1 true AU2001294400A1 (en) 2002-03-26

Family

ID=19772069

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001294400A Abandoned AU2001294400A1 (en) 2000-09-13 2001-09-12 A system of sound transducers with controllable directional properties

Country Status (13)

Country Link
US (1) US7343018B2 (nl)
EP (1) EP1317869B1 (nl)
KR (1) KR100835295B1 (nl)
CN (1) CN1258952C (nl)
AT (1) ATE332618T1 (nl)
AU (1) AU2001294400A1 (nl)
DE (1) DE60121349T2 (nl)
DK (1) DK1317869T3 (nl)
ES (1) ES2273894T3 (nl)
HK (1) HK1060470A1 (nl)
NL (1) NL1016172C2 (nl)
PT (1) PT1317869E (nl)
WO (1) WO2002023945A1 (nl)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8139797B2 (en) * 2002-12-03 2012-03-20 Bose Corporation Directional electroacoustical transducing
US7676047B2 (en) * 2002-12-03 2010-03-09 Bose Corporation Electroacoustical transducing with low frequency augmenting devices
US7826622B2 (en) * 2003-05-27 2010-11-02 Harman International Industries, Incorporated Constant-beamwidth loudspeaker array
US7684574B2 (en) * 2003-05-27 2010-03-23 Harman International Industries, Incorporated Reflective loudspeaker array
CN106125771A (zh) * 2016-08-16 2016-11-16 江西联创宏声电子有限公司 声频定向扬声器及其转向方法
JP2019126001A (ja) * 2018-01-19 2019-07-25 ヤマハ株式会社 スピーカ制御装置および信号供給装置
CN109040913B (zh) * 2018-08-06 2021-05-28 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） 窗函数加权电声换能器发射阵列的波束成形方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3308237A (en) * 1963-05-31 1967-03-07 Muter Company Columnar loudspeaker system
NL8001119A (nl) * 1980-02-25 1981-09-16 Philips Nv Richtingsonafhankelijk luidsprekerszuil- of vlak.
JPS5768991A (en) * 1980-10-16 1982-04-27 Pioneer Electronic Corp Speaker system
GB2143386B (en) * 1983-07-14 1987-01-14 Standard Telephones Cables Ltd Radio receiver
DD242954A3 (de) * 1983-12-14 1987-02-18 Deutsche Post Rfz Grossraumbeschallungssystem
US4940108A (en) * 1989-02-24 1990-07-10 Selby John L Open line source speaker system
JPH0541897A (ja) * 1991-08-07 1993-02-19 Pioneer Electron Corp スピーカ装置およびその指向性制御方法
FR2692425B1 (fr) * 1992-06-12 1997-04-25 Alain Azoulay Dispositif de reproduction sonore par multiamplification active.
US5802190A (en) * 1994-11-04 1998-09-01 The Walt Disney Company Linear speaker array
US6834113B1 (en) * 2000-03-03 2004-12-21 Erik Liljehag Loudspeaker system

Also Published As

Publication number Publication date
WO2002023945A1 (en) 2002-03-21
ES2273894T3 (es) 2007-05-16
HK1060470A1 (en) 2004-08-06
CN1258952C (zh) 2006-06-07
ATE332618T1 (de) 2006-07-15
CN1456023A (zh) 2003-11-12
DE60121349D1 (de) 2006-08-17
EP1317869B1 (en) 2006-07-05
US7343018B2 (en) 2008-03-11
EP1317869A1 (en) 2003-06-11
PT1317869E (pt) 2006-11-30
NL1016172C2 (nl) 2002-03-15
DE60121349T2 (de) 2007-07-05
KR100835295B1 (ko) 2008-06-05
KR20030066615A (ko) 2003-08-09
DK1317869T3 (da) 2006-11-06
US20040028238A1 (en) 2004-02-12

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