EP1284586A3 - Verfahren und System zur gerichteten Audio-Beschallung - Google Patents
Verfahren und System zur gerichteten Audio-Beschallung Download PDFInfo
- Publication number
- EP1284586A3 EP1284586A3 EP02017268A EP02017268A EP1284586A3 EP 1284586 A3 EP1284586 A3 EP 1284586A3 EP 02017268 A EP02017268 A EP 02017268A EP 02017268 A EP02017268 A EP 02017268A EP 1284586 A3 EP1284586 A3 EP 1284586A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- reflector
- sound generation
- directional sound
- carrier signal
- sound
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title abstract 2
- 230000002238 attenuated effect Effects 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 238000007493 shaping process Methods 0.000 abstract 1
- 230000005236 sound signal Effects 0.000 abstract 1
- 238000002604 ultrasonography Methods 0.000 abstract 1
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
- H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
- H04R1/345—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for loudspeakers
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/18—Methods or devices for transmitting, conducting or directing sound
- G10K11/26—Sound-focusing or directing, e.g. scanning
- G10K11/28—Sound-focusing or directing, e.g. scanning using reflection, e.g. parabolic reflectors
-
- 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)
- Multimedia (AREA)
- Circuit For Audible Band Transducer (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
- Stereophonic Arrangements (AREA)
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10140646 | 2001-08-18 | ||
DE10140646A DE10140646C2 (de) | 2001-08-18 | 2001-08-18 | Verfahren und Vorrichtung zur gerichteten Audio-Beschallung |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1284586A2 EP1284586A2 (de) | 2003-02-19 |
EP1284586A3 true EP1284586A3 (de) | 2004-08-04 |
EP1284586B1 EP1284586B1 (de) | 2006-03-15 |
Family
ID=7695932
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02017268A Expired - Fee Related EP1284586B1 (de) | 2001-08-18 | 2002-08-01 | Verfahren und System zur gerichteten Audio-Beschallung |
Country Status (4)
Country | Link |
---|---|
US (1) | US20030035552A1 (de) |
EP (1) | EP1284586B1 (de) |
JP (1) | JP2003163986A (de) |
DE (2) | DE10140646C2 (de) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6793177B2 (en) * | 2002-11-04 | 2004-09-21 | The Bonutti 2003 Trust-A | Active drag and thrust modulation system and method |
US8849185B2 (en) | 2003-04-15 | 2014-09-30 | Ipventure, Inc. | Hybrid audio delivery system and method therefor |
US20040208324A1 (en) * | 2003-04-15 | 2004-10-21 | Cheung Kwok Wai | Method and apparatus for localized delivery of audio sound for enhanced privacy |
US6939012B2 (en) * | 2003-06-02 | 2005-09-06 | Eastman Kodak Company | Laser image projector |
US9190069B2 (en) * | 2005-11-22 | 2015-11-17 | 2236008 Ontario Inc. | In-situ voice reinforcement system |
US20090156249A1 (en) * | 2007-12-12 | 2009-06-18 | John Ruckart | Devices and computer readable media for use with devices having audio output within a spatially controlled output beam |
PL3429227T3 (pl) * | 2010-07-30 | 2022-04-25 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Układ głośników w zagłówku |
DE102012000745A1 (de) * | 2011-04-07 | 2012-10-11 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Wiedergabegerät für Ton und Bild |
US20120281858A1 (en) * | 2011-05-03 | 2012-11-08 | Menachem Margaliot | METHOD AND APPARATUS FOR TRANSMISSION OF SOUND WAVES WITH HIGH LOCALIZATION of SOUND PRODUCTION |
JP2012239023A (ja) * | 2011-05-11 | 2012-12-06 | Denso Corp | パラメトリックスピーカ |
CA2843010C (en) * | 2011-07-28 | 2016-08-09 | Andreas Silzle | Vehicle with side wall speakers |
JP5787173B2 (ja) * | 2012-02-24 | 2015-09-30 | 株式会社デンソー | 車両用音出力装置 |
DE102013020865A1 (de) * | 2013-12-11 | 2015-06-11 | Audi Ag | Vorrichtung zur Reflexion von wenigstens einer akustischen und/oder optischen Signalausgabeeinrichtung ausgegebenen akustischen und/oder optischen Signalen in einen Innenraum eines Kraftfahrzeugs |
CN105992099A (zh) * | 2015-02-03 | 2016-10-05 | 中兴通讯股份有限公司 | 终端及其定向播放音频信号的方法 |
US9967672B2 (en) | 2015-11-11 | 2018-05-08 | Clearmotion Acquisition I Llc | Audio system |
US10403082B2 (en) * | 2016-04-12 | 2019-09-03 | Igt Canada Solutions Ulc | Systems and methods for providing private sound from a wagering gaming machine via modulated ultrasound |
EP3462751B1 (de) * | 2017-09-28 | 2020-12-23 | Vestel Elektronik Sanayi ve Ticaret A.S. | Lautsprecheranordnung |
DE102018001971A1 (de) | 2018-03-12 | 2018-09-20 | Daimler Ag | Verfahren und Fahrzeug zur gezielten Informationsweitergabe in eine vorgegebene Richtung außerhalb eines Fahrzeuges |
DE102018209962A1 (de) * | 2018-06-20 | 2019-12-24 | Faurecia Innenraum Systeme Gmbh | Privataudiosystem für ein 3D-artiges Hörerlebnis bei Fahrzeuginsassen und ein Verfahren zu dessen Erzeugung |
US10645487B2 (en) * | 2018-07-23 | 2020-05-05 | Warped Dynamics, LLC | Vertically configured parametric transducer headphones |
DE102018214181A1 (de) * | 2018-08-22 | 2020-02-27 | Audi Ag | Kraftfahrzeug mit einer akustisch adaptiven Fahrgastkabine und Verfahren zum Betreiben eines Kraftfahrzeugs mit einer akustisch adaptiven Fahrgastkabine |
CN113316062B (zh) * | 2021-05-26 | 2024-02-02 | 成都西科微波通讯有限公司 | 一种基于换能器环形阵列的全向音频调制方法 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4823908A (en) * | 1984-08-28 | 1989-04-25 | Matsushita Electric Industrial Co., Ltd. | Directional loudspeaker system |
US4884275A (en) * | 1988-10-24 | 1989-11-28 | Murasa International | Laser safety shutoff system |
JPH03252299A (ja) * | 1990-02-28 | 1991-11-11 | Matsushita Electric Works Ltd | 超音波パラメトリックスピーカ |
US5598380A (en) * | 1994-02-08 | 1997-01-28 | Asulab, S.A. | Composite wall, notably motor vehicle windshield, including an ultrasonic device for detecting the presence of foreign bodies on one of its faces |
JPH1127774A (ja) * | 1997-07-02 | 1999-01-29 | Mk Seiko Co Ltd | パラメトリックスピーカー |
US5889870A (en) * | 1996-07-17 | 1999-03-30 | American Technology Corporation | Acoustic heterodyne device and method |
EP1061770A2 (de) * | 1999-06-14 | 2000-12-20 | Nokia Mobile Phones Ltd. | Audiovorrichtung |
US6229899B1 (en) * | 1996-07-17 | 2001-05-08 | American Technology Corporation | Method and device for developing a virtual speaker distant from the sound source |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4230362C2 (de) * | 1992-09-11 | 2001-10-04 | Thomson Brandt Gmbh | Verfahren zur Beschallung eines Teilbereiches und Anlage zur Durchführung des Verfahrens |
DE19628849C2 (de) * | 1996-07-17 | 2002-10-17 | Eads Deutschland Gmbh | Akustischer Richtstrahler durch modulierten Ultraschall |
AU4403600A (en) * | 1999-04-30 | 2001-02-13 | Sennheiser Electronic Gmbh And Co. Kg | Method for the reproduction of sound waves using ultrasound loudspeakers |
-
2001
- 2001-08-18 DE DE10140646A patent/DE10140646C2/de not_active Expired - Fee Related
-
2002
- 2002-08-01 DE DE50206061T patent/DE50206061D1/de not_active Expired - Fee Related
- 2002-08-01 EP EP02017268A patent/EP1284586B1/de not_active Expired - Fee Related
- 2002-08-18 US US10/223,159 patent/US20030035552A1/en not_active Abandoned
- 2002-08-19 JP JP2002238600A patent/JP2003163986A/ja active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4823908A (en) * | 1984-08-28 | 1989-04-25 | Matsushita Electric Industrial Co., Ltd. | Directional loudspeaker system |
US4884275A (en) * | 1988-10-24 | 1989-11-28 | Murasa International | Laser safety shutoff system |
JPH03252299A (ja) * | 1990-02-28 | 1991-11-11 | Matsushita Electric Works Ltd | 超音波パラメトリックスピーカ |
US5598380A (en) * | 1994-02-08 | 1997-01-28 | Asulab, S.A. | Composite wall, notably motor vehicle windshield, including an ultrasonic device for detecting the presence of foreign bodies on one of its faces |
US5889870A (en) * | 1996-07-17 | 1999-03-30 | American Technology Corporation | Acoustic heterodyne device and method |
US6229899B1 (en) * | 1996-07-17 | 2001-05-08 | American Technology Corporation | Method and device for developing a virtual speaker distant from the sound source |
JPH1127774A (ja) * | 1997-07-02 | 1999-01-29 | Mk Seiko Co Ltd | パラメトリックスピーカー |
EP1061770A2 (de) * | 1999-06-14 | 2000-12-20 | Nokia Mobile Phones Ltd. | Audiovorrichtung |
Non-Patent Citations (3)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 016, no. 052 (E - 1164) 10 February 1992 (1992-02-10) * |
PATENT ABSTRACTS OF JAPAN vol. 1999, no. 04 30 April 1999 (1999-04-30) * |
YONEYAMA M ET AL: "THE AUDIO SPOTLIGHT: AN APPLICATION OF NONLINEAR INTERACTION OF SOUND WAVES TO A NEW TYPE OF LOUDSPEAKER DESIGN", JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA, AMERICAN INSTITUTE OF PHYSICS. NEW YORK, US, vol. 73, no. 5, May 1983 (1983-05-01), pages 1532 - 1536, XP000762272, ISSN: 0001-4966 * |
Also Published As
Publication number | Publication date |
---|---|
DE10140646C2 (de) | 2003-11-20 |
US20030035552A1 (en) | 2003-02-20 |
EP1284586B1 (de) | 2006-03-15 |
EP1284586A2 (de) | 2003-02-19 |
DE50206061D1 (de) | 2006-05-11 |
JP2003163986A (ja) | 2003-06-06 |
DE10140646A1 (de) | 2003-03-13 |
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