FR3010272B1 - Dispositif acoustique digital a puissance sonore augmentee - Google Patents

Dispositif acoustique digital a puissance sonore augmentee

Info

Publication number
FR3010272B1
FR3010272B1 FR1358462A FR1358462A FR3010272B1 FR 3010272 B1 FR3010272 B1 FR 3010272B1 FR 1358462 A FR1358462 A FR 1358462A FR 1358462 A FR1358462 A FR 1358462A FR 3010272 B1 FR3010272 B1 FR 3010272B1
Authority
FR
France
Prior art keywords
digital device
audio power
acoustic digital
increased audio
increased
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
FR1358462A
Other languages
English (en)
Other versions
FR3010272A1 (fr
Inventor
Fabrice Casset
Remy Dejaeger
Stephane Fanget
David Henry
Quentin Leclere
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 FR1358462A priority Critical patent/FR3010272B1/fr
Priority to CN201480049130.2A priority patent/CN105519134A/zh
Priority to PCT/EP2014/068833 priority patent/WO2015032855A1/fr
Priority to US14/915,749 priority patent/US9900700B2/en
Priority to EP14766933.7A priority patent/EP3042509B1/fr
Publication of FR3010272A1 publication Critical patent/FR3010272A1/fr
Application granted granted Critical
Publication of FR3010272B1 publication Critical patent/FR3010272B1/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
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/26—Damping by means acting directly on free portion of diaphragm or cone
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
    • 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
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/003—Mems transducers or their use
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2307/00—Details of diaphragms or cones for electromechanical transducers, their suspension or their manufacture covered by H04R7/00 or H04R31/003, not provided for in any of its subgroups
    • H04R2307/201—Damping aspects of the outer suspension of loudspeaker diaphragms by addition of additional damping means
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2307/00—Details of diaphragms or cones for electromechanical transducers, their suspension or their manufacture covered by H04R7/00 or H04R31/003, not provided for in any of its subgroups
    • H04R2307/207—Shape aspects of the outer suspension of loudspeaker diaphragms

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Manufacturing & Machinery (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Micromachines (AREA)
FR1358462A 2013-09-04 2013-09-04 Dispositif acoustique digital a puissance sonore augmentee Expired - Fee Related FR3010272B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR1358462A FR3010272B1 (fr) 2013-09-04 2013-09-04 Dispositif acoustique digital a puissance sonore augmentee
CN201480049130.2A CN105519134A (zh) 2013-09-04 2014-09-04 具有增强的声功率的数字声学装置
PCT/EP2014/068833 WO2015032855A1 (fr) 2013-09-04 2014-09-04 Dispositif acoustique numerique a puissance sonore augmentee
US14/915,749 US9900700B2 (en) 2013-09-04 2014-09-04 Digital acoustic device with increased sound power
EP14766933.7A EP3042509B1 (fr) 2013-09-04 2014-09-04 Dispositif acoustique numerique a puissance sonore augmentee

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1358462A FR3010272B1 (fr) 2013-09-04 2013-09-04 Dispositif acoustique digital a puissance sonore augmentee

Publications (2)

Publication Number Publication Date
FR3010272A1 FR3010272A1 (fr) 2015-03-06
FR3010272B1 true FR3010272B1 (fr) 2017-01-13

Family

ID=50231246

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1358462A Expired - Fee Related FR3010272B1 (fr) 2013-09-04 2013-09-04 Dispositif acoustique digital a puissance sonore augmentee

Country Status (5)

Country Link
US (1) US9900700B2 (fr)
EP (1) EP3042509B1 (fr)
CN (1) CN105519134A (fr)
FR (1) FR3010272B1 (fr)
WO (1) WO2015032855A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10021473B2 (en) * 2015-05-20 2018-07-10 Dai-Ichi Seiko Co., Ltd. Digital speaker, speaker system, and earphones
JP2018199289A (ja) * 2017-05-29 2018-12-20 セイコーエプソン株式会社 圧電デバイス、液体吐出ヘッド、液体吐出装置
CN110603818B (zh) * 2018-12-29 2020-12-22 共达电声股份有限公司 Mems声音传感器、mems麦克风及电子设备
JP7522541B2 (ja) * 2019-07-12 2024-07-25 日清紡マイクロデバイス株式会社 圧電素子
FR3131291A1 (fr) * 2021-12-24 2023-06-30 Commissariat à l'Energie Atomique et aux Energies Alternatives Procédé de fonctionnalisation d’une membrane d’un capteur électromécanique résonant

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4297537A (en) * 1979-07-16 1981-10-27 Babb Burton A Dynamic loudspeaker
JPS6042558Y2 (ja) * 1980-04-17 1985-12-27 ソニー株式会社 スピ−カ
JP2575831B2 (ja) * 1988-07-25 1997-01-29 スター精密 株式会社 発音体
US5347587A (en) * 1991-11-20 1994-09-13 Sharp Kabushiki Kaisha Speaker driving device
AU2923397A (en) 1996-04-18 1997-11-07 California Institute Of Technology Thin film electret microphone
US7141915B2 (en) * 2003-07-22 2006-11-28 Ngk Insulators, Ltd. Actuator device
KR101343143B1 (ko) 2006-05-22 2013-12-19 오디오 픽셀즈 리미티드 압력파 생성 액추에이터 장치 및 액추에이션 방법
US20080037814A1 (en) * 2006-08-09 2008-02-14 Jeng-Jye Shau Precision audio speakers
KR101411416B1 (ko) 2007-12-14 2014-06-26 삼성전자주식회사 마이크로 스피커 제조방법 및 이 방법에 의해 제조된마이크로 스피커
WO2010131540A1 (fr) * 2009-05-11 2010-11-18 日本電気株式会社 Actionneur piézoélectrique et composants audio
KR101561663B1 (ko) 2009-08-31 2015-10-21 삼성전자주식회사 피스톤 다이어프램을 가진 압전형 마이크로 스피커 및 그 제조 방법
KR101561660B1 (ko) 2009-09-16 2015-10-21 삼성전자주식회사 환형 고리 형상의 진동막을 가진 압전형 마이크로 스피커 및 그 제조 방법
KR101561661B1 (ko) * 2009-09-25 2015-10-21 삼성전자주식회사 진동막에 부착된 질량체를 가진 압전형 마이크로 스피커 및 그 제조 방법
FR2953983B1 (fr) 2009-12-15 2012-01-13 Areva T & D Sas Procede de commande d'un appareil d'interruption de courant dans un reseau electrique haute tension
JP2011125923A (ja) 2009-12-21 2011-06-30 Honda Motor Co Ltd 軸受けの設置構造体及び設置方法
DK2545715T3 (da) 2010-03-11 2014-09-01 Audio Pixels Ltd Elektrostatiske parallelle pladeaktuatorer, hvis bevægelige elementer alene drives ved elektrostatisk kraft, og nyttige fremgangsmåder i forbindelse dermed
US9014412B2 (en) * 2010-07-09 2015-04-21 Aperion Audio, Inc. Loudspeaker that is axially stabilized out of the diaphragm suspension plane
EP2597892A4 (fr) * 2010-07-23 2017-11-15 Nec Corporation Dispositif de vibration
US9148712B2 (en) * 2010-12-10 2015-09-29 Infineon Technologies Ag Micromechanical digital loudspeaker
US9031266B2 (en) * 2011-10-11 2015-05-12 Infineon Technologies Ag Electrostatic loudspeaker with membrane performing out-of-plane displacement
FR2982907B1 (fr) 2011-11-23 2013-12-27 Snecma Systeme mecanique pour turbomachine, turbomachine et procede de fixation d'un systeme mecanique dans une turbomachine
FR2990320B1 (fr) 2012-05-07 2014-06-06 Commissariat Energie Atomique Haut-parleur digital a performance amelioree
FR3000354B1 (fr) 2012-12-20 2015-01-30 Commissariat Energie Atomique Dispositif a membrane a deplacement controle
FR3006764B1 (fr) 2013-06-10 2017-02-10 Snecma Surveillance du clapet de coupure d'alimentation en carburant d'un moteur

Also Published As

Publication number Publication date
FR3010272A1 (fr) 2015-03-06
WO2015032855A1 (fr) 2015-03-12
CN105519134A (zh) 2016-04-20
EP3042509A1 (fr) 2016-07-13
US20160205478A1 (en) 2016-07-14
US9900700B2 (en) 2018-02-20
EP3042509B1 (fr) 2018-08-01

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