DE50206959D1 - Ultraschallbasiertes parametrisches Mehrwegelautsprechersystem - Google Patents

Ultraschallbasiertes parametrisches Mehrwegelautsprechersystem

Info

Publication number
DE50206959D1
DE50206959D1 DE50206959T DE50206959T DE50206959D1 DE 50206959 D1 DE50206959 D1 DE 50206959D1 DE 50206959 T DE50206959 T DE 50206959T DE 50206959 T DE50206959 T DE 50206959T DE 50206959 D1 DE50206959 D1 DE 50206959D1
Authority
DE
Germany
Prior art keywords
speaker system
paths
way speaker
parametric multi
frequencies
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.)
Expired - Fee Related
Application number
DE50206959T
Other languages
English (en)
Inventor
Guido Kolano
Klaus Dr Linhard
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.)
Mercedes Benz Group AG
Original Assignee
DaimlerChrysler 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 DaimlerChrysler AG filed Critical DaimlerChrysler AG
Priority to DE50206959T priority Critical patent/DE50206959D1/de
Application granted granted Critical
Publication of DE50206959D1 publication Critical patent/DE50206959D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04R1/323—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; DEAF-AID SETS; 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; DEAF-AID SETS; 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)
DE50206959T 2001-04-07 2002-04-03 Ultraschallbasiertes parametrisches Mehrwegelautsprechersystem Expired - Fee Related DE50206959D1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE50206959T DE50206959D1 (de) 2001-04-07 2002-04-03 Ultraschallbasiertes parametrisches Mehrwegelautsprechersystem

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10117528A DE10117528B4 (de) 2001-04-07 2001-04-07 Ultraschallbasiertes parametrisches Mehrwege-Lautsprechersystem
DE50206959T DE50206959D1 (de) 2001-04-07 2002-04-03 Ultraschallbasiertes parametrisches Mehrwegelautsprechersystem

Publications (1)

Publication Number Publication Date
DE50206959D1 true DE50206959D1 (de) 2006-07-06

Family

ID=7680858

Family Applications (2)

Application Number Title Priority Date Filing Date
DE10117529A Expired - Fee Related DE10117529B4 (de) 2001-04-07 2001-04-07 Ultraschallbasiertes parametrisches Lautsprechersystem
DE50206959T Expired - Fee Related DE50206959D1 (de) 2001-04-07 2002-04-03 Ultraschallbasiertes parametrisches Mehrwegelautsprechersystem

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE10117529A Expired - Fee Related DE10117529B4 (de) 2001-04-07 2001-04-07 Ultraschallbasiertes parametrisches Lautsprechersystem

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
WO2012030292A1 (en) * 2010-09-03 2012-03-08 Actiwave Ab A speaker system which comprises speaker driver groups
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
JP6424341B2 (ja) * 2016-07-21 2018-11-21 パナソニックＩｐマネジメント株式会社 音響再生装置および音響再生システム
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
ATE276636T1 (de) * 1999-04-30 2004-10-15 Sennheiser Electronic Verfahren zur wiedergabe von audioschall mit ultraschall-lautsprechern
AU7538000A (en) * 1999-09-29 2001-04-30 1... Limited Method and apparatus to direct sound
DE10117528B4 (de) * 2001-04-07 2004-04-01 Daimlerchrysler Ag Ultraschallbasiertes parametrisches Mehrwege-Lautsprechersystem

Also Published As

Publication number Publication date
US20060093154A1 (en) 2006-05-04
EP1248492A2 (de) 2002-10-09
DE10117529B4 (de) 2005-04-28
DE10117529A1 (de) 2002-11-07
EP1248492A3 (de) 2004-01-07
JP2002354575A (ja) 2002-12-06
US20020146138A1 (en) 2002-10-10
ATE328456T1 (de) 2006-06-15
EP1248492B1 (de) 2006-05-31

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: DAIMLERCHRYSLER AG, 70327 STUTTGART, DE

8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: DAIMLER AG, 70327 STUTTGART, DE

8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee