FR2542552B1 - Transducteur electroacoustique a diaphragme piezo-electrique - Google Patents

Transducteur electroacoustique a diaphragme piezo-electrique

Info

Publication number
FR2542552B1
FR2542552B1 FR8303697A FR8303697A FR2542552B1 FR 2542552 B1 FR2542552 B1 FR 2542552B1 FR 8303697 A FR8303697 A FR 8303697A FR 8303697 A FR8303697 A FR 8303697A FR 2542552 B1 FR2542552 B1 FR 2542552B1
Authority
FR
France
Prior art keywords
electroacoustic transducer
piezoelectric diaphragm
piezoelectric
diaphragm
electroacoustic
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
Application number
FR8303697A
Other languages
English (en)
Other versions
FR2542552A1 (fr
Inventor
Pierre Ravinet
Christian Claudepierre
Denis Guillou
Francois Micheron
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.)
Thales SA
Original Assignee
Thomson CSF SA
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 SA filed Critical Thomson CSF SA
Priority to FR8303697A priority Critical patent/FR2542552B1/fr
Priority to EP84400394A priority patent/EP0118356A1/fr
Priority to US06/586,449 priority patent/US4607145A/en
Priority to CA000448818A priority patent/CA1229907A/fr
Priority to JP59042805A priority patent/JPS59174097A/ja
Publication of FR2542552A1 publication Critical patent/FR2542552A1/fr
Application granted granted Critical
Publication of FR2542552B1 publication Critical patent/FR2542552B1/fr
Expired legal-status Critical Current

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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/04—Structural association of microphone with electric circuitry 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
    • H04R1/06—Arranging circuit leads; Relieving strain on circuit leads
    • 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
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's
    • 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
    • H04R31/006—Interconnection of transducer parts

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
FR8303697A 1983-03-07 1983-03-07 Transducteur electroacoustique a diaphragme piezo-electrique Expired FR2542552B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR8303697A FR2542552B1 (fr) 1983-03-07 1983-03-07 Transducteur electroacoustique a diaphragme piezo-electrique
EP84400394A EP0118356A1 (fr) 1983-03-07 1984-02-28 Transducteur électroacoustique à diaphragme piézoélectrique
US06/586,449 US4607145A (en) 1983-03-07 1984-03-05 Electroacoustic transducer with a piezoelectric diaphragm
CA000448818A CA1229907A (fr) 1983-03-07 1984-03-05 Transducteur electroacoustique a diaphragme piezoelectrique
JP59042805A JPS59174097A (ja) 1983-03-07 1984-03-06 圧電ダイヤフラムを用いる電気音響トランスジユ−サ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8303697A FR2542552B1 (fr) 1983-03-07 1983-03-07 Transducteur electroacoustique a diaphragme piezo-electrique

Publications (2)

Publication Number Publication Date
FR2542552A1 FR2542552A1 (fr) 1984-09-14
FR2542552B1 true FR2542552B1 (fr) 1986-04-11

Family

ID=9286565

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8303697A Expired FR2542552B1 (fr) 1983-03-07 1983-03-07 Transducteur electroacoustique a diaphragme piezo-electrique

Country Status (5)

Country Link
US (1) US4607145A (fr)
EP (1) EP0118356A1 (fr)
JP (1) JPS59174097A (fr)
CA (1) CA1229907A (fr)
FR (1) FR2542552B1 (fr)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2572616A1 (fr) * 1984-10-30 1986-05-02 Thomson Csf Transducteur electro-acoustique a diaphragme piezoelectrique
US4776009A (en) * 1986-06-09 1988-10-04 Northern Telecom Limited Telephone handset having housings assembled without mechanical fasteners
FR2615682B1 (fr) * 1987-05-19 1989-07-13 Thomson Csf Geophone comportant un element sensible en polymere piezoelectrique
US4869101A (en) * 1988-07-15 1989-09-26 Battelle Memorial Institute Texture softness sensing
US6049158A (en) * 1994-02-14 2000-04-11 Ngk Insulators, Ltd. Piezoelectric/electrostrictive film element having convex diaphragm portions and method of producing the same
US5889354A (en) * 1994-08-29 1999-03-30 Oceaneering International Inc. Piezoelectric unit cell
FR2727215B1 (fr) * 1994-11-18 1996-12-20 Thomson Csf Dispositif de veille panoramique infrarouge statique a detecteurs matriciels multiples
DK172085B1 (da) * 1995-06-23 1997-10-13 Microtronic As Mikromekanisk mikrofon
US5805726A (en) * 1995-08-11 1998-09-08 Industrial Technology Research Institute Piezoelectric full-range loudspeaker
FR2750487B1 (fr) * 1996-06-28 2005-10-21 Thomson Csf Revetement pour la protection personnelle d'un fantassin
BE1011085A4 (nl) * 1997-04-03 1999-04-06 Sonitron Naamloze Vennootschap Element voor het weergeven en/of opnemen van geluid.
US6140740A (en) 1997-12-30 2000-10-31 Remon Medical Technologies, Ltd. Piezoelectric transducer
JP2000050387A (ja) 1998-07-16 2000-02-18 Massachusetts Inst Of Technol <Mit> パラメトリックオ―ディオシステム
US6775388B1 (en) 1998-07-16 2004-08-10 Massachusetts Institute Of Technology Ultrasonic transducers
AU7601500A (en) 1999-09-21 2001-04-24 University Of Hawaii Method of forming parylene-diaphragm piezoelectric acoustic transducers
US20060018487A1 (en) * 1999-10-28 2006-01-26 Clive Smith Transducer for sensing body sounds
JP3611779B2 (ja) * 1999-12-09 2005-01-19 シャープ株式会社 電気信号−音響信号変換器及びその製造方法並びに電気信号−音響変換装置
US6702061B2 (en) * 2001-03-15 2004-03-09 Siemens Vdo Automotive, Inc. Environmentally protected microphone for an active noise control system
US7065224B2 (en) * 2001-09-28 2006-06-20 Sonionmicrotronic Nederland B.V. Microphone for a hearing aid or listening device with improved internal damping and foreign material protection
WO2005032212A1 (fr) * 2003-09-29 2005-04-07 Bang & Olufsen Medicom A/S Composante microphone et procede de fabrication
US7415121B2 (en) * 2004-10-29 2008-08-19 Sonion Nederland B.V. Microphone with internal damping
WO2006130782A2 (fr) * 2005-05-31 2006-12-07 Unison Products Membrane diaphragme et structure de support sensible aux conditions environnementales
US20060273694A1 (en) * 2005-06-03 2006-12-07 Channel Products, Inc. Low temperature conductive coating for piezoceramic materials
WO2009067669A1 (fr) * 2007-11-21 2009-05-28 Emo Labs, Inc.. Haut-parleur sans fil
US8199953B2 (en) * 2008-10-30 2012-06-12 Avago Technologies Wireless Ip (Singapore) Pte. Ltd. Multi-aperture acoustic horn
US8189851B2 (en) 2009-03-06 2012-05-29 Emo Labs, Inc. Optically clear diaphragm for an acoustic transducer and method for making same
US20110044476A1 (en) * 2009-08-14 2011-02-24 Emo Labs, Inc. System to generate electrical signals for a loudspeaker
JPWO2013183098A1 (ja) * 2012-06-06 2016-01-21 日本電気株式会社 スピーカ装置及び電子機器
CN105228757A (zh) 2013-03-15 2016-01-06 埃莫实验室公司 具有弯曲限制部件的声换能器
USD741835S1 (en) 2013-12-27 2015-10-27 Emo Labs, Inc. Speaker
USD733678S1 (en) 2013-12-27 2015-07-07 Emo Labs, Inc. Audio speaker
USD748072S1 (en) 2014-03-14 2016-01-26 Emo Labs, Inc. Sound bar audio speaker
KR101554364B1 (ko) * 2014-12-30 2015-09-21 (주)이미지스테크놀로지 리드프레임을 이용한 멤스 마이크로폰 패키지
CA2981647C (fr) * 2015-04-02 2023-08-01 The Curators Of The University Of Missouri Cellule d'ecoulement photoacoustique permettant une identification des analytes rares en suspension
CN105245984B (zh) * 2015-10-26 2018-01-19 苏州登堡电子科技有限公司 柱形接触式麦克风
WO2017187710A1 (fr) * 2016-04-28 2017-11-02 太陽誘電株式会社 Capteur de forme d'onde de vibration et détecteur d'onde d'impulsion

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4926890B1 (fr) * 1970-12-04 1974-07-12
DE2119912C3 (de) * 1971-04-23 1974-12-12 Siemens Ag, 1000 Berlin Und 8000 Muenchen Elektroakustischer Wandler
DE2119913C3 (de) * 1971-04-23 1974-08-08 Siemens Ag Elektroakustischer Wandler
JPS5654711Y2 (fr) * 1976-06-11 1981-12-19
NL7610124A (nl) * 1976-09-13 1978-03-15 Philips Nv Werkwijze voor het vervaardigen van een piezo-elektrische transducent.
DE2831411C2 (de) * 1978-07-17 1983-10-06 Siemens Ag, 1000 Berlin Und 8000 Muenchen Elektroakustischer Wandler mit mit piezoelektrischer Schicht versehener Membran
GB2029161B (en) * 1978-08-21 1983-01-26 Hosiden Electronics Co Electret microphone
JPS5756640Y2 (fr) * 1978-09-30 1982-12-06
GB2059715B (en) * 1979-09-18 1984-02-01 Standard Telephones Cables Ltd Electro acoustic transducers
DE2948034A1 (de) * 1979-11-29 1981-06-11 Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt Elektro-akustischer wandler mit zur verbesserung des frequenzverlaufes vorgesehenen resonanzraeumen
DE3007773A1 (de) * 1980-02-29 1981-09-17 Siemens AG, 1000 Berlin und 8000 München Elektroakustischer wandler
DE3007808A1 (de) * 1980-02-29 1981-09-10 Siemens AG, 1000 Berlin und 8000 München Elektroakustischer wandler
DE3007834A1 (de) * 1980-02-29 1981-09-17 Siemens AG, 1000 Berlin und 8000 München Elektroakustischer wandler
FR2511571A1 (fr) * 1981-08-11 1983-02-18 Thomson Csf Transducteur electroacoustique a condensateur a dielectrique solide polarise
FR2511570A1 (fr) * 1981-08-11 1983-02-18 Thomson Csf Transducteur electroacoustique a polymere piezoelectrique
EP0085194A1 (fr) * 1982-01-19 1983-08-10 Hugo R. Michiels Transducteur électro-acoustique

Also Published As

Publication number Publication date
JPS59174097A (ja) 1984-10-02
FR2542552A1 (fr) 1984-09-14
US4607145A (en) 1986-08-19
EP0118356A1 (fr) 1984-09-12
CA1229907A (fr) 1987-12-01

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Legal Events

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ST Notification of lapse