FR2990320B1 - Haut-parleur digital a performance amelioree - Google Patents

Haut-parleur digital a performance amelioree

Info

Publication number
FR2990320B1
FR2990320B1 FR1254172A FR1254172A FR2990320B1 FR 2990320 B1 FR2990320 B1 FR 2990320B1 FR 1254172 A FR1254172 A FR 1254172A FR 1254172 A FR1254172 A FR 1254172A FR 2990320 B1 FR2990320 B1 FR 2990320B1
Authority
FR
France
Prior art keywords
improved performance
digital speaker
speaker
digital
performance
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
FR1254172A
Other languages
English (en)
Other versions
FR2990320A1 (fr
Inventor
Fabrice Casset
Remy Dejaeger
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.)
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
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 Commissariat a lEnergie Atomique CEA, Commissariat a lEnergie Atomique et aux Energies Alternatives CEA filed Critical Commissariat a lEnergie Atomique CEA
Priority to FR1254172A priority Critical patent/FR2990320B1/fr
Priority to US13/887,707 priority patent/US9282385B2/en
Priority to EP13166609.1A priority patent/EP2663091B1/fr
Publication of FR2990320A1 publication Critical patent/FR2990320A1/fr
Application granted granted Critical
Publication of FR2990320B1 publication Critical patent/FR2990320B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • 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
    • H04R1/005—Details of transducers, loudspeakers or microphones using digitally weighted transducing elements
    • 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
    • H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • H04R1/406—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers microphones
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
FR1254172A 2012-05-07 2012-05-07 Haut-parleur digital a performance amelioree Expired - Fee Related FR2990320B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR1254172A FR2990320B1 (fr) 2012-05-07 2012-05-07 Haut-parleur digital a performance amelioree
US13/887,707 US9282385B2 (en) 2012-05-07 2013-05-06 Digital loudspeaker with enhanced performance
EP13166609.1A EP2663091B1 (fr) 2012-05-07 2013-05-06 Haut-parleur digital a performance ameliorée

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1254172A FR2990320B1 (fr) 2012-05-07 2012-05-07 Haut-parleur digital a performance amelioree

Publications (2)

Publication Number Publication Date
FR2990320A1 FR2990320A1 (fr) 2013-11-08
FR2990320B1 true FR2990320B1 (fr) 2014-06-06

Family

ID=47137792

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1254172A Expired - Fee Related FR2990320B1 (fr) 2012-05-07 2012-05-07 Haut-parleur digital a performance amelioree

Country Status (3)

Country Link
US (1) US9282385B2 (fr)
EP (1) EP2663091B1 (fr)
FR (1) FR2990320B1 (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3000354B1 (fr) * 2012-12-20 2015-01-30 Commissariat Energie Atomique Dispositif a membrane a deplacement controle
FR3010272B1 (fr) 2013-09-04 2017-01-13 Commissariat Energie Atomique Dispositif acoustique digital a puissance sonore augmentee
CN103956936A (zh) * 2014-05-28 2014-07-30 哈尔滨工业大学 压电双稳态能量收集器
DE102014217798A1 (de) 2014-09-05 2016-03-10 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Mikromechanische piezoelektrische Aktuatoren zur Realisierung hoher Kräfte und Auslenkungen
WO2016107975A1 (fr) * 2014-12-31 2016-07-07 Teknologian Tutkimuskeskus Vtt Oy Transducteur micro-électromécanique piézoélectrique
FR3033468B1 (fr) * 2015-03-02 2018-04-13 Commissariat A L'energie Atomique Et Aux Energies Alternatives Dispositif a membranes actionnables et haut-parleur digital comportant au moins un tel dispositif
WO2016162829A1 (fr) 2015-04-08 2016-10-13 King Abdullah University Of Science And Technology Éléments de réseau piézoélectrique pour la reconstruction de son avec une entrée numérique
US10021473B2 (en) * 2015-05-20 2018-07-10 Dai-Ichi Seiko Co., Ltd. Digital speaker, speaker system, and earphones
JP6461724B2 (ja) * 2015-06-05 2019-01-30 太陽誘電株式会社 圧電式発音体及び電気音響変換装置
US10516943B2 (en) * 2016-05-04 2019-12-24 Infineon Technologies Ag Microelectromechanical device, an array of microelectromechanical devices, a method of manufacturing a microelectromechanical device, and a method of operating a microelectromechanical device
FR3056572B1 (fr) * 2016-09-23 2021-02-19 Commissariat Energie Atomique Dispositif a membrane suspendue presentant une amplitude de deplacement augmentee
KR102583487B1 (ko) * 2016-10-17 2023-09-27 엘지전자 주식회사 오디오 출력 장치
DE102016121587B4 (de) * 2016-11-10 2023-06-01 Pi Ceramic Gmbh Piezoelektrischer Antrieb, insbesondere für den Einsatz in feuchter Umgebung
DE102017208911A1 (de) 2017-05-26 2018-11-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Mikromechanischer Schallwandler
DE102017126644B4 (de) * 2017-11-13 2020-11-12 Infineon Technologies Ag Membranelementanordnung und Verfahren hierzu
US11057716B1 (en) * 2019-12-27 2021-07-06 xMEMS Labs, Inc. Sound producing device
US11395073B2 (en) 2020-04-18 2022-07-19 xMEMS Labs, Inc. Sound producing package structure and method for packaging sound producing package structure
US11252511B2 (en) 2019-12-27 2022-02-15 xMEMS Labs, Inc. Package structure and methods of manufacturing sound producing chip, forming package structure and forming sound producing apparatus

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4330686A (en) 1978-12-21 1982-05-18 Stephen Roe Loudspeaker systems
US5867302A (en) 1997-08-07 1999-02-02 Sandia Corporation Bistable microelectromechanical actuator
US6278790B1 (en) * 1997-11-11 2001-08-21 Nct Group, Inc. Electroacoustic transducers comprising vibrating panels
US6453050B1 (en) * 1998-05-11 2002-09-17 Matsushita Electric Industrial Co., Ltd. Piezoelectric speaker, method for producing the same, and speaker system including the same
WO2000005920A1 (fr) * 1998-07-21 2000-02-03 New Transducers Ltd Haut-parleur numerique
US20020015507A1 (en) * 2000-05-31 2002-02-07 Neil Harris Loudspeaker
EP1206160A1 (fr) * 2000-11-09 2002-05-15 Texas Instruments Incorporated Haut-parleur numérique
FR2857153B1 (fr) 2003-07-01 2005-08-26 Commissariat Energie Atomique Micro-commutateur bistable a faible consommation.
US20070188846A1 (en) * 2003-09-03 2007-08-16 Slicker James M MEMS switch with bistable element having straight beam components
US7589456B2 (en) 2005-06-14 2009-09-15 Siemens Medical Solutions Usa, Inc. Digital capacitive membrane transducer
KR101343143B1 (ko) * 2006-05-22 2013-12-19 오디오 픽셀즈 리미티드 압력파 생성 액추에이터 장치 및 액추에이션 방법
US8165323B2 (en) 2006-11-28 2012-04-24 Zhou Tiansheng Monolithic capacitive transducer
US20100260360A1 (en) * 2009-04-14 2010-10-14 Strubwerks Llc Systems, methods, and apparatus for calibrating speakers for three-dimensional acoustical reproduction
ES2590033T3 (es) 2009-07-10 2016-11-17 Kirk Promotion Ltd. Dispositivo de articulación de la cadera
KR101561663B1 (ko) 2009-08-31 2015-10-21 삼성전자주식회사 피스톤 다이어프램을 가진 압전형 마이크로 스피커 및 그 제조 방법
WO2011051985A1 (fr) 2009-10-30 2011-05-05 Icube+ (Malta) Limited Procédé interactif de gestion de publicité pour un bien et système basé sur la messagerie unifiée et la communication unifiée
FR3000354B1 (fr) 2012-12-20 2015-01-30 Commissariat Energie Atomique Dispositif a membrane a deplacement controle

Also Published As

Publication number Publication date
US20130294636A1 (en) 2013-11-07
EP2663091B1 (fr) 2015-09-30
US9282385B2 (en) 2016-03-08
EP2663091A1 (fr) 2013-11-13
FR2990320A1 (fr) 2013-11-08

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Legal Events

Date Code Title Description
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Year of fee payment: 5

ST Notification of lapse

Effective date: 20180131