FR2542552B1 - Transducteur electroacoustique a diaphragme piezo-electrique - Google Patents
Transducteur electroacoustique a diaphragme piezo-electriqueInfo
- 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
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)
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)
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 |
US6775388B1 (en) | 1998-07-16 | 2004-08-10 | Massachusetts Institute Of Technology | Ultrasonic transducers |
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 |
US6857501B1 (en) | 1999-09-21 | 2005-02-22 | The United States Of America As Represented By The Secretary Of The Navy | 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 |
CN1860823B (zh) * | 2003-09-29 | 2012-12-19 | 3M创新有限公司 | 麦克风部件及其制造方法 |
US7415121B2 (en) * | 2004-10-29 | 2008-08-19 | Sonion Nederland B.V. | Microphone with internal damping |
CA2610483A1 (fr) * | 2005-05-31 | 2006-12-07 | Emo Labs, Inc. | 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 |
US20100322455A1 (en) * | 2007-11-21 | 2010-12-23 | Emo Labs, Inc. | Wireless loudspeaker |
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 |
WO2011020100A1 (fr) * | 2009-08-14 | 2011-02-17 | Emo Labs, Inc | Système de haut-parleur pour générer des signaux électriques |
US20150139457A1 (en) * | 2012-06-06 | 2015-05-21 | Nec Casio Mobile Communications, Ltd. | Speaker device and electronic device |
WO2014143927A2 (fr) | 2013-03-15 | 2014-09-18 | Emo Labs, Inc. | Transducteurs acoustiques |
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 |
US10859536B2 (en) * | 2015-04-02 | 2020-12-08 | The Curators Of The University Of Missouri | Photoacoustic flow cell for identification of rare analytes in 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 |
JPWO2017187710A1 (ja) * | 2016-04-28 | 2019-03-07 | 太陽誘電株式会社 | 振動波形センサ及び脈波検出装置 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4926890B1 (fr) * | 1970-12-04 | 1974-07-12 | ||
DE2119913C3 (de) * | 1971-04-23 | 1974-08-08 | Siemens Ag | Elektroakustischer Wandler |
DE2119912C3 (de) * | 1971-04-23 | 1974-12-12 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | 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 |
FR2511570A1 (fr) * | 1981-08-11 | 1983-02-18 | Thomson Csf | Transducteur electroacoustique a polymere piezoelectrique |
FR2511571A1 (fr) * | 1981-08-11 | 1983-02-18 | Thomson Csf | Transducteur electroacoustique a condensateur a dielectrique solide polarise |
EP0085194A1 (fr) * | 1982-01-19 | 1983-08-10 | Hugo R. Michiels | Transducteur électro-acoustique |
-
1983
- 1983-03-07 FR FR8303697A patent/FR2542552B1/fr not_active Expired
-
1984
- 1984-02-28 EP EP84400394A patent/EP0118356A1/fr not_active Withdrawn
- 1984-03-05 US US06/586,449 patent/US4607145A/en not_active Expired - Fee Related
- 1984-03-05 CA CA000448818A patent/CA1229907A/fr not_active Expired
- 1984-03-06 JP JP59042805A patent/JPS59174097A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
CA1229907A (fr) | 1987-12-01 |
FR2542552A1 (fr) | 1984-09-14 |
JPS59174097A (ja) | 1984-10-02 |
EP0118356A1 (fr) | 1984-09-12 |
US4607145A (en) | 1986-08-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
CL | Concession to grant licences | ||
ST | Notification of lapse |