FR2511571A1 - Transducteur electroacoustique a condensateur a dielectrique solide polarise - Google Patents

Transducteur electroacoustique a condensateur a dielectrique solide polarise Download PDF

Info

Publication number
FR2511571A1
FR2511571A1 FR8115507A FR8115507A FR2511571A1 FR 2511571 A1 FR2511571 A1 FR 2511571A1 FR 8115507 A FR8115507 A FR 8115507A FR 8115507 A FR8115507 A FR 8115507A FR 2511571 A1 FR2511571 A1 FR 2511571A1
Authority
FR
France
Prior art keywords
plate
transducer according
electrodes
faces
polarized
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.)
Granted
Application number
FR8115507A
Other languages
English (en)
French (fr)
Other versions
FR2511571B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Pierre Ravinet
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 FR8115507A priority Critical patent/FR2511571A1/fr
Priority to EP82401394A priority patent/EP0072289A3/fr
Priority to GB08222881A priority patent/GB2111799A/en
Priority to KR1019820003586A priority patent/KR840001425A/ko
Priority to JP57139076A priority patent/JPS5841000A/ja
Publication of FR2511571A1 publication Critical patent/FR2511571A1/fr
Application granted granted Critical
Publication of FR2511571B1 publication Critical patent/FR2511571B1/fr
Granted 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
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
FR8115507A 1981-08-11 1981-08-11 Transducteur electroacoustique a condensateur a dielectrique solide polarise Granted FR2511571A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR8115507A FR2511571A1 (fr) 1981-08-11 1981-08-11 Transducteur electroacoustique a condensateur a dielectrique solide polarise
EP82401394A EP0072289A3 (fr) 1981-08-11 1982-07-27 Transducteur électroacoustique à condensateur à diélectrique intrinséquement polarisé
GB08222881A GB2111799A (en) 1981-08-11 1982-08-09 Electro acoustic transducer
KR1019820003586A KR840001425A (ko) 1981-08-11 1982-08-10 분극된 고체유전 캐패시터 전자-음향 변환기
JP57139076A JPS5841000A (ja) 1981-08-11 1982-08-10 分極された固体誘電体を含むコンデンサ形電気音響変換器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8115507A FR2511571A1 (fr) 1981-08-11 1981-08-11 Transducteur electroacoustique a condensateur a dielectrique solide polarise

Publications (2)

Publication Number Publication Date
FR2511571A1 true FR2511571A1 (fr) 1983-02-18
FR2511571B1 FR2511571B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1983-12-02

Family

ID=9261362

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8115507A Granted FR2511571A1 (fr) 1981-08-11 1981-08-11 Transducteur electroacoustique a condensateur a dielectrique solide polarise

Country Status (5)

Country Link
EP (1) EP0072289A3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS5841000A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
KR (1) KR840001425A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2511571A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB2111799A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6804363B2 (en) 2002-04-11 2004-10-12 Rion Co., Ltd. Electroacoustic transducer

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2542552B1 (fr) * 1983-03-07 1986-04-11 Thomson Csf Transducteur electroacoustique a diaphragme piezo-electrique
DE3425175A1 (de) * 1984-07-09 1986-03-27 Fernsprech- und Signalbau KG Schüler & Vershoven, 4300 Essen Piezoelektrischer, akustischer wandler
DE3425176A1 (de) * 1984-07-09 1986-02-20 Fernsprech Und Signalbau Kg Sc Piezoelektrische fernsprechkapsel
DE3825973A1 (de) * 1988-07-29 1990-02-01 Siemens Ag Elektroakustischer einheitswandler
DE102010021157A1 (de) * 2010-05-21 2011-11-24 Daniela Manger 3D-Stereospaltmikrofon
KR101781551B1 (ko) * 2011-07-20 2017-09-27 삼성전자주식회사 전기에너지 발생 소자 및 그 구동방법

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1131741B (de) * 1961-02-03 1962-06-20 Siemens Ag Elektrostriktive Membran fuer einen elektroakustischen Wandler
FR1334235A (fr) * 1961-09-29 1963-08-02 Siemens Ag Transformateur électro-acoustique
DE2714709A1 (de) * 1976-04-02 1977-10-06 Matsushita Electric Ind Co Ltd Elektroakustischer wandler mit einer hochpolymeren piezoelektrischen membran
US4064375A (en) * 1975-08-11 1977-12-20 The Rank Organisation Limited Vacuum stressed polymer film piezoelectric transducer
US4170742A (en) * 1974-07-15 1979-10-09 Pioneer Electronic Corporation Piezoelectric transducer with multiple electrode areas

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1131741B (de) * 1961-02-03 1962-06-20 Siemens Ag Elektrostriktive Membran fuer einen elektroakustischen Wandler
FR1334235A (fr) * 1961-09-29 1963-08-02 Siemens Ag Transformateur électro-acoustique
US4170742A (en) * 1974-07-15 1979-10-09 Pioneer Electronic Corporation Piezoelectric transducer with multiple electrode areas
US4064375A (en) * 1975-08-11 1977-12-20 The Rank Organisation Limited Vacuum stressed polymer film piezoelectric transducer
DE2714709A1 (de) * 1976-04-02 1977-10-06 Matsushita Electric Ind Co Ltd Elektroakustischer wandler mit einer hochpolymeren piezoelektrischen membran

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
EXBK/75 *
EXBK/76 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6804363B2 (en) 2002-04-11 2004-10-12 Rion Co., Ltd. Electroacoustic transducer

Also Published As

Publication number Publication date
KR840001425A (ko) 1984-04-30
EP0072289A3 (fr) 1983-04-06
JPS5841000A (ja) 1983-03-10
EP0072289A2 (fr) 1983-02-16
FR2511571B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1983-12-02
GB2111799A (en) 1983-07-06

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