ATE3607T1 - Elektroakustischer wandler mit aktiver kalotte. - Google Patents

Elektroakustischer wandler mit aktiver kalotte.

Info

Publication number
ATE3607T1
ATE3607T1 AT80401785T AT80401785T ATE3607T1 AT E3607 T1 ATE3607 T1 AT E3607T1 AT 80401785 T AT80401785 T AT 80401785T AT 80401785 T AT80401785 T AT 80401785T AT E3607 T1 ATE3607 T1 AT E3607T1
Authority
AT
Austria
Prior art keywords
membrane
shape
electroacoustic transducer
transducer
active dome
Prior art date
Application number
AT80401785T
Other languages
English (en)
Inventor
Hugues Facoetti
Philippe Menoret
Francois Micheron
Patrick Petit
Pierre Ravinet
Original Assignee
Thomson-Csf
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 Thomson-Csf filed Critical Thomson-Csf
Application granted granted Critical
Publication of ATE3607T1 publication Critical patent/ATE3607T1/de

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
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • H04R17/005—Piezoelectric transducers; Electrostrictive transducers using a piezoelectric polymer
    • 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
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/12—Non-planar diaphragms or cones
    • H04R7/127—Non-planar diaphragms or cones dome-shaped
    • 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
    • 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
    • H04R2307/029—Diaphragms comprising fibres
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S310/00—Electrical generator or motor structure
    • Y10S310/80—Piezoelectric polymers, e.g. PVDF
AT80401785T 1980-01-08 1980-12-12 Elektroakustischer wandler mit aktiver kalotte. ATE3607T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8000311A FR2473242A1 (fr) 1980-01-08 1980-01-08 Transducteur electroacoustique a dome actif
EP80401785A EP0032082B1 (de) 1980-01-08 1980-12-12 Elektroakustischer Wandler mit aktiver Kalotte

Publications (1)

Publication Number Publication Date
ATE3607T1 true ATE3607T1 (de) 1983-06-15

Family

ID=9237325

Family Applications (1)

Application Number Title Priority Date Filing Date
AT80401785T ATE3607T1 (de) 1980-01-08 1980-12-12 Elektroakustischer wandler mit aktiver kalotte.

Country Status (8)

Country Link
US (1) US4440983A (de)
EP (1) EP0032082B1 (de)
JP (1) JPS56103597A (de)
AT (1) ATE3607T1 (de)
CA (1) CA1158987A (de)
DE (1) DE3063551D1 (de)
DK (1) DK5081A (de)
FR (1) FR2473242A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014209073A1 (de) * 2014-05-14 2015-11-19 Sennheiser Electronic Gmbh & Co. Kg Elektrostatischer elektroakustischer Wandler
DE102005047477B4 (de) * 2004-10-18 2015-12-24 Ssi Technologies, Inc. Verfahren und Einrichtung zum Sicherstellen der Dicke der Befestigungslinie eines Wandlers

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5033093A (en) * 1990-01-17 1991-07-16 Peavey Electronics Corporation Compact microphone and method of manufacture
DE3009068A1 (de) * 1980-03-10 1981-09-24 Reinhard Dipl.-Ing. Lerch Piezopolymer-wandler mit fester membranunterstuetzung
FR2511570A1 (fr) * 1981-08-11 1983-02-18 Thomson Csf Transducteur electroacoustique a polymere piezoelectrique
US4503564A (en) * 1982-09-24 1985-03-05 Seymour Edelman Opto-acoustic transducer for a telephone receiver
DE3320935A1 (de) * 1983-06-09 1984-12-13 Siemens AG, 1000 Berlin und 8000 München Ultraschall-sensor
FR2563959B1 (fr) * 1984-05-04 1990-08-10 Lewiner Jacques Perfectionnements aux transducteurs electro-acoustiques a electret
FR2603422B1 (fr) * 1986-08-27 1988-12-30 Inst Francais Du Petrole Procede pour realiser des capteurs piezo-electriques continus de sensibilite accrue et capteurs realises suivant le procede
DE3732412A1 (de) * 1987-09-25 1989-04-13 Siemens Ag Ultraschallwandler mit astigmatischer sende-/empfangscharakteristik
US5450497A (en) * 1992-05-11 1995-09-12 Linaeum Corporation Audio transducer improvements
JPH09163498A (ja) * 1995-10-06 1997-06-20 Murata Mfg Co Ltd 球体型圧電スピーカ
US6563930B1 (en) * 1996-12-04 2003-05-13 Murata Manufacturing Co., Ltd. Speaker
JP3134835B2 (ja) * 1997-12-27 2001-02-13 株式会社村田製作所 スピーカ
US6243475B1 (en) * 1997-05-28 2001-06-05 Murata Manufacturing Co., Ltd. Speaker
US6121716A (en) * 1997-07-11 2000-09-19 The United States Of America As Represented By The United States Department Of Energy Apparatus and method for prevention of cracking in welded brittle alloys
US20030036746A1 (en) * 2001-08-16 2003-02-20 Avi Penner Devices for intrabody delivery of molecules and systems and methods utilizing same
JP3555505B2 (ja) * 1999-06-16 2004-08-18 株式会社村田製作所 スピーカ
JP4363554B2 (ja) * 1999-10-08 2009-11-11 タイコエレクトロニクスアンプ株式会社 二輪車ライダー用スピーカ内蔵ヘルメット
WO2003015469A1 (en) * 2001-08-06 2003-02-20 Measurement Specialties, Inc. Acoustic sensor using cured piezoelectric film
JP2005106529A (ja) * 2003-09-29 2005-04-21 Hosiden Corp 圧電型振動センサ
ATE556648T1 (de) 2004-11-24 2012-05-15 Remon Medical Technologies Ltd Implantierbares medizinprodukt mit integriertem akustischem wandler
JP4049179B2 (ja) * 2005-05-25 2008-02-20 オンキヨー株式会社 スピーカー振動板およびスピーカー構造体
WO2007054878A1 (en) * 2005-11-09 2007-05-18 Nxp B.V. Arrangement for optimizing the frequency response of an electro-acoustic transducer
DE102005061343B4 (de) * 2005-12-21 2010-11-25 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Ultraschallwandler mit selbsttragender Anpassschicht sowie Verfahren zur Herstellung
US7912548B2 (en) 2006-07-21 2011-03-22 Cardiac Pacemakers, Inc. Resonant structures for implantable devices
WO2008011577A2 (en) 2006-07-21 2008-01-24 Cardiac Pacemakers, Inc. Ultrasonic transducer for a metallic cavity implanted medical device
US8334637B2 (en) * 2006-09-18 2012-12-18 Liposonix, Inc. Transducer with shield
US7652411B2 (en) * 2006-09-18 2010-01-26 Medicis Technologies Corporation Transducer with shield
US8825161B1 (en) 2007-05-17 2014-09-02 Cardiac Pacemakers, Inc. Acoustic transducer for an implantable medical device
JP2010528814A (ja) 2007-06-14 2010-08-26 カーディアック ペースメイカーズ， インコーポレイテッド 多素子音響再充電システム
US9560452B2 (en) * 2007-07-25 2017-01-31 Lars Goller Cone tweeter membrane
US7658263B2 (en) * 2008-04-03 2010-02-09 Mann + Hummel Gmbh Device for noise transmission in a motor vehicle
US8630435B2 (en) * 2008-08-08 2014-01-14 Nokia Corporation Apparatus incorporating an adsorbent material, and methods of making same
US8011469B2 (en) * 2009-12-18 2011-09-06 Mann & Hummel Gmbh Tunable sound transmission device for a motor vehicle
US8794373B1 (en) * 2013-03-15 2014-08-05 Bose Corporation Three-dimensional air-adsorbing structure
KR102407508B1 (ko) * 2016-10-28 2022-06-13 소니그룹주식회사 전기 음향 변환기 및 전기 음향 변환 장치

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2496307A (en) * 1944-06-23 1950-02-07 Albert G Perkins Milk flow control for milking machines
US3424873A (en) * 1964-07-15 1969-01-28 Lincoln Walsh Coherent-sound loudspeaker
US3496307A (en) * 1967-12-30 1970-02-17 Nippon Musical Instruments Mfg Loudspeaker
US4045695A (en) * 1974-07-15 1977-08-30 Pioneer Electronic Corporation Piezoelectric electro-acoustic transducer
JPS51131315A (en) * 1975-05-10 1976-11-15 Hitachi Zosen Corp Microphone
GB1593271A (en) * 1976-09-21 1981-07-15 Standard Telephones Cables Ltd Electro-acoustic transducers
FR2409654B1 (fr) * 1977-11-17 1985-10-04 Thomson Csf Dispositif transducteur piezoelectrique et son procede de fabrication

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005047477B4 (de) * 2004-10-18 2015-12-24 Ssi Technologies, Inc. Verfahren und Einrichtung zum Sicherstellen der Dicke der Befestigungslinie eines Wandlers
DE102014209073A1 (de) * 2014-05-14 2015-11-19 Sennheiser Electronic Gmbh & Co. Kg Elektrostatischer elektroakustischer Wandler

Also Published As

Publication number Publication date
US4440983A (en) 1984-04-03
DE3063551D1 (en) 1983-07-07
FR2473242B1 (de) 1982-10-01
JPS56103597A (en) 1981-08-18
EP0032082B1 (de) 1983-05-25
EP0032082A2 (de) 1981-07-15
FR2473242A1 (fr) 1981-07-10
EP0032082A3 (en) 1981-07-29
CA1158987A (en) 1983-12-20
DK5081A (da) 1981-07-09

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee