EP0944035A3 - Method and apparatus for the focalisation of acoustic waves - Google Patents

Method and apparatus for the focalisation of acoustic waves Download PDF

Info

Publication number
EP0944035A3
EP0944035A3 EP99111417A EP99111417A EP0944035A3 EP 0944035 A3 EP0944035 A3 EP 0944035A3 EP 99111417 A EP99111417 A EP 99111417A EP 99111417 A EP99111417 A EP 99111417A EP 0944035 A3 EP0944035 A3 EP 0944035A3
Authority
EP
European Patent Office
Prior art keywords
duration
focalisation
transducers
causes
acoustic waves
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
Application number
EP99111417A
Other languages
German (de)
French (fr)
Other versions
EP0944035B1 (en
EP0944035A2 (en
Inventor
Mathias Fink
Jacques Lewiner
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.)
POUR LES APPLICATIONS DU RETOURNEMENT TEMPOREL Ste
Original Assignee
POUR LES APPLICATIONS DU RETOURNEMENT TEMPOREL Ste
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 POUR LES APPLICATIONS DU RETOURNEMENT TEMPOREL Ste filed Critical POUR LES APPLICATIONS DU RETOURNEMENT TEMPOREL Ste
Publication of EP0944035A2 publication Critical patent/EP0944035A2/en
Publication of EP0944035A3 publication Critical patent/EP0944035A3/en
Application granted granted Critical
Publication of EP0944035B1 publication Critical patent/EP0944035B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • G10K11/34—Sound-focusing or directing, e.g. scanning using electrical steering of transducer arrays, e.g. beam steering
    • G10K11/341—Circuits therefor
    • G10K11/346—Circuits therefor using phase variation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R27/00—Public address systems

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Surgical Instruments (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)

Abstract

On provoque l'émission depuis un emplacement-cible (12) d'une impulsion acoustique courte, de première durée. On recueille sur un réseau de transducteurs (14) et on enregistre, pendant une seconde durée, supérieure d'au moins un ordre de grandeur à la première durée, les signaux acoustiques provenant dudit emplacement à travers un milieu multi-diffuseur (10). On émet vers le milieu multi-diffuseur, à partir des transducteurs (14), des signaux de retour obtenus par inversion temporelle et amplification de ceux recueillis pendant la seconde durée, ce qui provoque une focalisation et une compression temporelle d'énergie acoustique à l'emplacement-cible.

Figure 00000001
It causes the emission from a target location (12) of a short acoustic pulse, of first duration. The acoustic signals from said location are collected on a network of transducers (14) and recorded, for a second duration, at least an order of magnitude greater than the first duration, through a multi-diffuser medium (10). Return signals obtained by time inversion and amplification of those collected during the second duration are transmitted to the multi-diffuser medium, from the transducers (14), which causes acoustic energy to be focused and compressed over time. 'target location.
Figure 00000001
EP99111417A 1995-07-13 1996-07-11 Method and apparatus for the focalisation of acoustic waves Expired - Lifetime EP0944035B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9508543 1995-07-13
FR9508543 1995-07-13
EP96925774A EP0842508B1 (en) 1995-07-13 1996-07-11 Acoustic wave focusing method and device

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP96925774A Division EP0842508B1 (en) 1995-07-13 1996-07-11 Acoustic wave focusing method and device
EP96925774.0 Division 1997-01-30

Publications (3)

Publication Number Publication Date
EP0944035A2 EP0944035A2 (en) 1999-09-22
EP0944035A3 true EP0944035A3 (en) 2001-04-18
EP0944035B1 EP0944035B1 (en) 2011-03-30

Family

ID=9480993

Family Applications (2)

Application Number Title Priority Date Filing Date
EP99111417A Expired - Lifetime EP0944035B1 (en) 1995-07-13 1996-07-11 Method and apparatus for the focalisation of acoustic waves
EP96925774A Expired - Lifetime EP0842508B1 (en) 1995-07-13 1996-07-11 Acoustic wave focusing method and device

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP96925774A Expired - Lifetime EP0842508B1 (en) 1995-07-13 1996-07-11 Acoustic wave focusing method and device

Country Status (5)

Country Link
US (2) US6198829B1 (en)
EP (2) EP0944035B1 (en)
JP (1) JP3675836B2 (en)
DE (2) DE69638347D1 (en)
WO (1) WO1997003438A1 (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69638347D1 (en) * 1995-07-13 2011-05-12 Applic Du Retournement Temporel Soc Pour Method and arrangement for focusing acoustic wave
FR2815717B1 (en) * 2000-10-20 2003-01-10 Centre Nat Rech Scient NON-INVASIVE METHOD AND DEVICE FOR FOCUSING ACOUSTIC WAVES
FR2830468B1 (en) * 2001-10-04 2004-02-20 Inst Nat Sante Rech Med DEVICE AND METHOD FOR PRODUCING HIGH PRESSURE ULTRASONIC PULSES
FR2840418B1 (en) * 2002-06-04 2004-08-20 Centre Nat Rech Scient PROCESS FOR GENERATING A PREDETERMINED WAVE FIELD
US20040059265A1 (en) * 2002-09-12 2004-03-25 The Regents Of The University Of California Dynamic acoustic focusing utilizing time reversal
FR2858099B1 (en) 2003-07-25 2006-03-24 Centre Nat Rech Scient ACOUSTIC WAVE FOCUSING METHOD AND DEVICE
US7254092B2 (en) * 2004-04-16 2007-08-07 Raytheon Company Method and system for swimmer denial
FI20060910A0 (en) * 2006-03-28 2006-10-13 Genelec Oy Identification method and device in an audio reproduction system
FR2912817B1 (en) * 2007-02-21 2009-05-22 Super Sonic Imagine Sa METHOD FOR OPTIMIZING WAVE FOCUSING THROUGH AN INTRODUCING ELEMENT OF ABERATIONS
US7613076B2 (en) * 2007-05-31 2009-11-03 Avago Technologies Wireless Ip (Singapore) Pte. Ltd. Acoustic power transformer including lens
WO2009124773A1 (en) * 2008-04-09 2009-10-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Sound reproduction system and method for performing a sound reproduction using a visual face tracking
TW201026009A (en) * 2008-12-30 2010-07-01 Ind Tech Res Inst An electrical apparatus, circuit for receiving audio and method for filtering noise
FR2977671B1 (en) * 2011-07-08 2013-11-29 01Db Metravib METHOD AND DEVICE FOR CONTROLLING TEMPORARY RETURN STRUCTURES
FR2991807B1 (en) * 2012-06-06 2014-08-29 Centre Nat Rech Scient DEVICE AND METHOD FOR FOCUSING PULSES
FR2991791B1 (en) 2012-06-06 2014-08-08 Commissariat Energie Atomique TEMPERATURE TOUCH STIMULATING INTERFACE
FR3076940B1 (en) * 2018-01-12 2021-04-16 Valeo Systemes Dessuyage FOCUSED SOUND EMISSION PROCESS AND ACOUSTIC FOCUSING SYSTEM
FR3076941B1 (en) * 2018-01-12 2021-06-04 Valeo Systemes Dessuyage CALIBRATION PROCESS FOR ACOUSTIC FOCUSING SYSTEM

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5092336A (en) * 1989-02-08 1992-03-03 Universite Paris Vii-Bureau De La Valorisation Et De Relations Industrielle Method and device for localization and focusing of acoustic waves in tissues
US5428999A (en) * 1992-10-02 1995-07-04 Universite Paris Vii Method and apparatus for acoustic examination using time reversal
US5438624A (en) * 1992-12-11 1995-08-01 Jean-Claude Decaux Processes and devices for protecting a given volume, preferably arranged inside a room, from outside noises

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2334953A1 (en) * 1975-12-11 1977-07-08 Labo Electronique Physique ULTRASONIC ANALYSIS SYSTEM AND ITS APPLICATION TO ECHOGRAPHY
US4882714A (en) * 1984-02-07 1989-11-21 Nec Corporation Object detecting system using ultrasonic waves
US5267320A (en) * 1991-03-12 1993-11-30 Ricoh Company, Ltd. Noise controller which noise-controls movable point
FR2683323B1 (en) 1991-11-05 1994-02-11 Paris Vii Universite METHOD AND DEVICE FOR INTERNAL CONTROL OF PARTS BY ULTRASOUND.
WO1994024662A1 (en) * 1993-04-21 1994-10-27 Sri International Method of calculating filter weights for compression wave cancellation systems
US5327496A (en) * 1993-06-30 1994-07-05 Iowa State University Research Foundation, Inc. Communication device, apparatus, and method utilizing pseudonoise signal for acoustical echo cancellation
FR2726115B1 (en) * 1994-10-20 1996-12-06 Comptoir De La Technologie ACTIVE SOUND INTENSITY MITIGATION DEVICE
US5745580A (en) * 1994-11-04 1998-04-28 Lord Corporation Reduction of computational burden of adaptively updating control filter(s) in active systems
DE69638347D1 (en) * 1995-07-13 2011-05-12 Applic Du Retournement Temporel Soc Pour Method and arrangement for focusing acoustic wave
US5699437A (en) * 1995-08-29 1997-12-16 United Technologies Corporation Active noise control system using phased-array sensors
JPH09303477A (en) * 1996-05-16 1997-11-25 Nissan Motor Co Ltd Positive type noise/vibration control device
FR2749938B1 (en) * 1996-06-13 1998-08-28 Fink Mathias METHOD AND DEVICE FOR DETECTION AND LOCATION OF REFLECTIVE SOUND SOURCE
US5963651A (en) * 1997-01-16 1999-10-05 Digisonix, Inc. Adaptive acoustic attenuation system having distributed processing and shared state nodal architecture
US6292433B1 (en) * 1997-02-03 2001-09-18 Teratech Corporation Multi-dimensional beamforming device
US5978489A (en) * 1997-05-05 1999-11-02 Oregon Graduate Institute Of Science And Technology Multi-actuator system for active sound and vibration cancellation
AU2001245831A1 (en) * 2000-03-15 2001-09-24 The Regents Of The University Of California Method and apparatus for dynamic focusing of ultrasound energy
US6449566B1 (en) * 2000-11-06 2002-09-10 The United States Of America As Represented By The Secretary Of The Navy Acoustic scattering measurement and processing for determining variances in multiple features
US6755083B2 (en) * 2001-06-13 2004-06-29 The Regents Of The University Of California Method for distinguishing multiple targets using time-reversal acoustics
US6687188B2 (en) * 2002-05-14 2004-02-03 The United States Of America As Represented By The Secretary Of The Navy Underwater telemetry apparatus and method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5092336A (en) * 1989-02-08 1992-03-03 Universite Paris Vii-Bureau De La Valorisation Et De Relations Industrielle Method and device for localization and focusing of acoustic waves in tissues
US5428999A (en) * 1992-10-02 1995-07-04 Universite Paris Vii Method and apparatus for acoustic examination using time reversal
US5438624A (en) * 1992-12-11 1995-08-01 Jean-Claude Decaux Processes and devices for protecting a given volume, preferably arranged inside a room, from outside noises

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
FINK M ET AL: "PHASE ABERRATION CORRECTION WITH ULTRASONIC TIME REVERSAL MIRRORS", PROCEEDINGS OF THE ULTRASONICS SYMPOSIUM,US,NEW YORK, IEEE, 1 November 1994 (1994-11-01), pages 1629 - 1638, XP000525109, ISBN: 0-7803-2013-1 *
FINK M: "TIME REVERSAL OF ULTRASONIC FIELDS-. ÖPART I: BASIC PRINCIPLES", IEEE TRANSACTIONS ON ULTRASONICS, FERROELECTRICS AND FREQUENCY CONTROL,US,IEEE INC. NEW.YORK, vol. 39, no. 5, 1 September 1992 (1992-09-01), pages 555 - 566, XP000306730, ISSN: 0885-3010 *

Also Published As

Publication number Publication date
EP0944035B1 (en) 2011-03-30
EP0944035A2 (en) 1999-09-22
US6198829B1 (en) 2001-03-06
DE69606179D1 (en) 2000-02-17
EP0842508B1 (en) 2000-01-12
DE69606179T2 (en) 2000-08-17
WO1997003438A1 (en) 1997-01-30
JP3675836B2 (en) 2005-07-27
US20010001603A1 (en) 2001-05-24
DE69638347D1 (en) 2011-05-12
EP0842508A1 (en) 1998-05-20
JP2000501896A (en) 2000-02-15
US6978028B2 (en) 2005-12-20

Similar Documents

Publication Publication Date Title
EP0944035A3 (en) Method and apparatus for the focalisation of acoustic waves
EP1297331B1 (en) Method and apparatus for detection of structural damage
CA2009522C (en) Method and device for localization and focusing of acoustic waves in tissues
AU2001256545A2 (en) Method and apparatus for detection of structural damage
AU2001256545A1 (en) Method and apparatus for detection of structural damage
US4329876A (en) Method and apparatus for acoustic scanning using bulk wave scattering of bulk waves by an acoustic grating
EP0829710A3 (en) Pressure transducer using surface acoustic wave (SAW) elements
EP1164385A3 (en) Ultrasound imaging method and apparatus based on pulse compression technique using a spread spectrum signal
WO2002032316A8 (en) Method and non-invasive device for focusing acoustic waves
JPH05256825A (en) Method and apparatus for internally inspecting component
WO2002093548A3 (en) Static focus ultrasound apparatus and method
EP0385782A3 (en) Time dependent, variable amplitude threshold output circuit for frequency variant and frequency invariant signal discrimination
EP1248253A3 (en) Optical information recording medium and information recording method and apparatus using the recording medium
CA2233852A1 (en) Ultrasonic device for determining bone characteristics
JPS57185428A (en) Ultrasonic automatic focus image picking-up and sound recording device
DK0686832T3 (en) Method for ultrasound measurement of the flow rate of flowing fluids
EP1104222A3 (en) Hearing aid
RU2002125972A (en) METHOD FOR LASER-ACOUSTIC CONTROL OF SOLID MATERIALS AND DEVICE FOR ITS IMPLEMENTATION
JPS5969697A (en) Dust removing device
FR2713429B1 (en) High power emission process for acoustic waves and corresponding transducer pavilions.
Maniwa et al. Relationship between frictional sound pressure and grain size distribution of seafloor soil
FR2713430B1 (en) Method for emitting very low frequency acoustic waves at high power, and corresponding transducers.
Xiang et al. Fast M-sequence transform for laser-Doppler-based mine detection
SU714472A1 (en) Method of focusing acoustical waves in medium
EP1440738A3 (en) Method of monitoring the performance of an ultrasonic transducer

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 19990611

AC Divisional application: reference to earlier application

Ref document number: 842508

Country of ref document: EP

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): DE FR GB IT

RIN1 Information on inventor provided before grant (corrected)

Inventor name: LEWINER, JACQUES

Inventor name: FINK, MATHIAS

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): DE FR GB IT

17Q First examination report despatched

Effective date: 20060905

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

GRAC Information related to communication of intention to grant a patent modified

Free format text: ORIGINAL CODE: EPIDOSCIGR1

GRAC Information related to communication of intention to grant a patent modified

Free format text: ORIGINAL CODE: EPIDOSCIGR1

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AC Divisional application: reference to earlier application

Ref document number: 0842508

Country of ref document: EP

Kind code of ref document: P

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE FR GB IT

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REF Corresponds to:

Ref document number: 69638347

Country of ref document: DE

Date of ref document: 20110512

Kind code of ref document: P

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 69638347

Country of ref document: DE

Effective date: 20110512

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20120102

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 69638347

Country of ref document: DE

Effective date: 20120102

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 20

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20150626

Year of fee payment: 20

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20150625

Year of fee payment: 20

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20150623

Year of fee payment: 20

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20150629

Year of fee payment: 20

REG Reference to a national code

Ref country code: DE

Ref legal event code: R071

Ref document number: 69638347

Country of ref document: DE

REG Reference to a national code

Ref country code: GB

Ref legal event code: PE20

Expiry date: 20160710

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF EXPIRATION OF PROTECTION

Effective date: 20160710