ATE328456T1 - Ultraschallbasiertes parametrisches mehrwegelautsprechersystem - Google Patents

Ultraschallbasiertes parametrisches mehrwegelautsprechersystem

Info

Publication number
ATE328456T1
ATE328456T1 AT02007546T AT02007546T ATE328456T1 AT E328456 T1 ATE328456 T1 AT E328456T1 AT 02007546 T AT02007546 T AT 02007546T AT 02007546 T AT02007546 T AT 02007546T AT E328456 T1 ATE328456 T1 AT E328456T1
Authority
AT
Austria
Prior art keywords
speaker system
paths
way speaker
parametric multi
frequencies
Prior art date
Application number
AT02007546T
Other languages
English (en)
Inventor
Guido Kolano
Klaus Dr Linhard
Original Assignee
Daimler Chrysler Ag
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 DE10117528A external-priority patent/DE10117528B4/de
Application filed by Daimler Chrysler Ag filed Critical Daimler Chrysler Ag
Application granted granted Critical
Publication of ATE328456T1 publication Critical patent/ATE328456T1/de

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
    • 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
    • H04R1/323—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only for loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • H04R17/10—Resonant transducers, i.e. adapted to produce maximum output at a predetermined frequency
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2217/00—Details of magnetostrictive, piezoelectric, or electrostrictive transducers covered by H04R15/00 or H04R17/00 but not provided for in any of their subgroups
    • H04R2217/03—Parametric transducers where sound is generated or captured by the acoustic demodulation of amplitude modulated ultrasonic waves

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
AT02007546T 2001-04-07 2002-04-03 Ultraschallbasiertes parametrisches mehrwegelautsprechersystem ATE328456T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE10117528A DE10117528B4 (de) 2001-04-07 2001-04-07 Ultraschallbasiertes parametrisches Mehrwege-Lautsprechersystem

Publications (1)

Publication Number Publication Date
ATE328456T1 true ATE328456T1 (de) 2006-06-15

Family

ID=7680858

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02007546T ATE328456T1 (de) 2001-04-07 2002-04-03 Ultraschallbasiertes parametrisches mehrwegelautsprechersystem

Country Status (5)

Country Link
US (2) US20020146138A1 (de)
EP (1) EP1248492B1 (de)
JP (1) JP2002354575A (de)
AT (1) ATE328456T1 (de)
DE (2) DE10117529B4 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SG115665A1 (en) * 2004-04-06 2005-10-28 Sony Corp Method and apparatus to generate an audio beam with high quality
CN101528307B (zh) * 2006-10-23 2013-03-13 皇家飞利浦电子股份有限公司 用于超声治疗的对称和择优导引随机阵列
DE202009017930U1 (de) 2008-03-11 2010-10-07 Merkel, Tobias, Dr. Virtuelles Mikrofon mit fremdmoduliertem Ultraschall
JP5444670B2 (ja) * 2008-09-18 2014-03-19 パナソニック株式会社 音響再生装置
EP2612508B1 (de) * 2010-09-03 2017-03-08 Actiwave AB Lautsprechersystem mit lautsprechertreibergruppen
JP2012153303A (ja) * 2011-01-27 2012-08-16 Denso Corp 車両接近通報装置
EP2897379A4 (de) * 2012-09-14 2016-04-27 Nec Corp Lautsprechervorrichtung und elektronische ausrüstung damit
JP2015159404A (ja) * 2014-02-24 2015-09-03 パイオニア株式会社 パラメトリックスピーカおよびパラメトリックスピーカシステム
US10134416B2 (en) * 2015-05-11 2018-11-20 Microsoft Technology Licensing, Llc Privacy-preserving energy-efficient speakers for personal sound
CN109328374B (zh) * 2016-07-21 2021-12-03 松下知识产权经营株式会社 声响再生装置以及声响再生系统
JP2019041409A (ja) * 2018-11-13 2019-03-14 パイオニア株式会社 パラメトリックスピーカ
JP7021296B2 (ja) * 2020-06-23 2022-02-16 パイオニア株式会社 パラメトリックスピーカ

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1951669A (en) * 1931-07-17 1934-03-20 Ramsey George Method and apparatus for producing sound
US4823908A (en) * 1984-08-28 1989-04-25 Matsushita Electric Industrial Co., Ltd. Directional loudspeaker system
JPH02265400A (ja) * 1989-04-05 1990-10-30 Matsushita Electric Works Ltd 拡声器
US6011855A (en) * 1997-03-17 2000-01-04 American Technology Corporation Piezoelectric film sonic emitter
JP4221792B2 (ja) * 1998-01-09 2009-02-12 ソニー株式会社 スピーカ装置及びオーディオ信号送信装置
EP1484944A3 (de) * 1999-04-30 2004-12-15 Sennheiser electronic GmbH & Co. KG Verfahren zur Wiedergabe von Audioschall mit Ultraschall-Lautsprechern
WO2001023104A2 (en) * 1999-09-29 2001-04-05 1...Limited Method and apparatus to direct sound using an array of output transducers
DE10117528B4 (de) * 2001-04-07 2004-04-01 Daimlerchrysler Ag Ultraschallbasiertes parametrisches Mehrwege-Lautsprechersystem

Also Published As

Publication number Publication date
US20020146138A1 (en) 2002-10-10
DE10117529B4 (de) 2005-04-28
US20060093154A1 (en) 2006-05-04
EP1248492A2 (de) 2002-10-09
JP2002354575A (ja) 2002-12-06
DE50206959D1 (de) 2006-07-06
EP1248492B1 (de) 2006-05-31
EP1248492A3 (de) 2004-01-07
DE10117529A1 (de) 2002-11-07

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Legal Events

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REN Ceased due to non-payment of the annual fee