DE10117529B4 - Ultraschallbasiertes parametrisches Lautsprechersystem - Google Patents

Ultraschallbasiertes parametrisches Lautsprechersystem Download PDF

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Publication number
DE10117529B4
DE10117529B4 DE10117529A DE10117529A DE10117529B4 DE 10117529 B4 DE10117529 B4 DE 10117529B4 DE 10117529 A DE10117529 A DE 10117529A DE 10117529 A DE10117529 A DE 10117529A DE 10117529 B4 DE10117529 B4 DE 10117529B4
Authority
DE
Germany
Prior art keywords
paths
speaker system
frequencies
parametric speaker
based parametric
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
DE10117529A
Other languages
English (en)
Other versions
DE10117529A1 (de
Inventor
Guido Kolano
Klaus 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
Application filed by DaimlerChrysler AG filed Critical DaimlerChrysler AG
Priority claimed from DE10117528A external-priority patent/DE10117528B4/de
Priority to DE10117528A priority Critical patent/DE10117528B4/de
Priority to AT02007545T priority patent/ATE328455T1/de
Priority to DE50206958T priority patent/DE50206958D1/de
Priority to EP02007545A priority patent/EP1248491B1/de
Priority to JP2002105718A priority patent/JP2002315088A/ja
Priority to US10/118,630 priority patent/US7181025B2/en
Publication of DE10117529A1 publication Critical patent/DE10117529A1/de
Publication of DE10117529B4 publication Critical patent/DE10117529B4/de
Application granted granted Critical
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
DE10117529A 2001-04-07 2001-04-07 Ultraschallbasiertes parametrisches Lautsprechersystem Expired - Fee Related DE10117529B4 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
DE10117528A DE10117528B4 (de) 2001-04-07 2001-04-07 Ultraschallbasiertes parametrisches Mehrwege-Lautsprechersystem
AT02007545T ATE328455T1 (de) 2001-04-07 2002-04-03 Ultraschallbasiertes parametrisches lautsprechersystem
DE50206958T DE50206958D1 (de) 2001-04-07 2002-04-03 Ultraschallbasiertes parametrisches Lautsprechersystem
EP02007545A EP1248491B1 (de) 2001-04-07 2002-04-03 Ultraschallbasiertes parametrisches Lautsprechersystem
JP2002105718A JP2002315088A (ja) 2001-04-07 2002-04-08 超音波に基づいたパラメトリックスピーカシステム
US10/118,630 US7181025B2 (en) 2001-04-07 2002-04-08 Ultrasound based parametric loudspeaker system

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 (2)

Publication Number Publication Date
DE10117529A1 DE10117529A1 (de) 2002-11-07
DE10117529B4 true DE10117529B4 (de) 2005-04-28

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 After (1)

Application Number Title Priority Date Filing Date
DE50206959T Expired - Fee Related DE50206959D1 (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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009010055A1 (de) 2008-03-11 2009-10-01 Merkel, Tobias, Dr. Virtuelles Mikrofon mit fremdmoduliertem Ultraschall

Families Citing this family (11)

* 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
EP2079524B1 (de) * 2006-10-23 2011-05-18 Koninklijke Philips Electronics N.V. Symmetrische und präferenziell gesteuerte random-arrays für ultraschalltherapie
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
CN104620601A (zh) * 2012-09-14 2015-05-13 Nec卡西欧移动通信株式会社 扬声器设备和电子装置
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

Citations (2)

* 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

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
DE50007789D1 (de) * 1999-04-30 2004-10-21 Sennheiser Electronic Verfahren zur wiedergabe von audioschall mit ultraschall-lautsprechern
JP5306565B2 (ja) * 1999-09-29 2013-10-02 ヤマハ株式会社 音響指向方法および装置
DE10117528B4 (de) * 2001-04-07 2004-04-01 Daimlerchrysler Ag Ultraschallbasiertes parametrisches Mehrwege-Lautsprechersystem

Patent Citations (2)

* 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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
E.STADLER: Modulationsverfahren, 6. Aufl., VOGEL Buchverl. Würzburg, 1990 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009010055A1 (de) 2008-03-11 2009-10-01 Merkel, Tobias, Dr. Virtuelles Mikrofon mit fremdmoduliertem Ultraschall
DE202009017930U1 (de) 2008-03-11 2010-10-07 Merkel, Tobias, Dr. Virtuelles Mikrofon mit fremdmoduliertem Ultraschall

Also Published As

Publication number Publication date
US20060093154A1 (en) 2006-05-04
EP1248492A2 (de) 2002-10-09
US20020146138A1 (en) 2002-10-10
EP1248492A3 (de) 2004-01-07
DE10117529A1 (de) 2002-11-07
JP2002354575A (ja) 2002-12-06
DE50206959D1 (de) 2006-07-06
EP1248492B1 (de) 2006-05-31
ATE328456T1 (de) 2006-06-15

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